test(common): add test for flattening children errors (validation)

fix(deps): update dependency @nestjs/graphql to v7.1.1

.circleci/config.yml

@@ -0,0 +1,183 @@
+version: 2
+
+aliases:
+  - &restore-cache
+    restore_cache:
+        key: dependency-cache-{{ checksum "package.json" }}
+  - &install-deps
+    run:
+        name: Install dependencies
+        command: npm ci
+  - &build-packages
+    run:
+        name: Build
+        command: npm run build
+  - &run-unit-tests
+    run:
+        name: Test
+        command: npm run test
+
+unit-tests-template: &unit-tests-template
+  working_directory: ~/nest
+  steps:
+    - checkout
+    - *restore-cache
+    - *install-deps
+    - *build-packages
+    - *run-unit-tests
+
+jobs:
+  build:
+    working_directory: ~/nest
+    docker:
+      - image: circleci/node:12
+    steps:
+      - checkout
+      - run:
+          name: Update NPM version
+          command: 'sudo npm install -g npm@latest'
+      - restore_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+      - run:
+          name: Install dependencies
+          command: npm ci
+      - save_cache:
+          key: dependency-cache-{{ checksum "package.json" }}
+          paths:
+            - ./node_modules
+      - run:
+          name: Build
+          command: npm run build
+        
+  test_node_12:
+    working_directory: ~/nest
+    docker:
+      - image: circleci/node:12
+    steps:
+      - checkout
+      - *restore-cache
+      - *install-deps
+      - *build-packages
+      - *run-unit-tests
+      - run:
+          name: Collect coverage
+          command: npm run coverage
+      - store_artifacts:
+          path: coverage
+
+  test_node_10:
+    <<: *unit-tests-template
+    docker:
+      - image: circleci/node:10
+
+  test_node_8:
+    <<: *unit-tests-template
+    docker:
+      - image: circleci/node:8
+
+  lint:
+    working_directory: ~/nest
+    docker:
+      - image: circleci/node:12
+    steps:
+      - checkout
+      - *restore-cache
+      - *install-deps
+      - run:
+          name: Lint
+          command: npm run lint
+      - run:
+          name: Lint commit
+          command: ./node_modules/.bin/commitlint-circle -c .commitlintrc.json
+
+  integration_tests:
+    working_directory: ~/nest
+    machine: true
+    steps:
+      - checkout
+      - run: 
+          name: Prepare nvm
+          command: |
+            echo 'export NVM_DIR="/opt/circleci/.nvm"' >> $BASH_ENV
+            echo ' [ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"' >> $BASH_ENV
+      - run: 
+          name: Upgrade Node.js
+          command: |
+            nvm install v12
+            node -v
+            nvm alias default v12
+      - run:
+          name: Install Docker Compose
+          command: |
+            curl -L https://github.com/docker/compose/releases/download/1.19.0/docker-compose-`uname -s`-`uname -m` > ~/docker-compose
+            chmod +x ~/docker-compose
+            sudo mv ~/docker-compose /usr/local/bin/docker-compose
+      - *install-deps
+      - run:
+          name: Prepare tests
+          command: |
+            bash ./scripts/prepare.sh
+            sleep 10
+      - run:
+          name: List containers
+          command: docker ps
+      - run:
+          name: Integration tests
+          command: npm run test:integration
+          
+  codechecks_benchmarks:
+    working_directory: ~/nest
+    docker:
+      - image: circleci/node:12
+    steps:
+      - checkout
+      - *restore-cache
+      - *install-deps
+      - *build-packages
+      - run:
+          name: Install native wrk
+          command: .circleci/install-wrk.sh
+      - run:
+          name: Run codechecks with benchmarks
+          command: yarn codechecks:benchmarks
+
+  samples:
+    working_directory: ~/nest
+    docker:
+      - image: circleci/node:12
+    environment:
+      - DISABLE_OPENCOLLECTIVE: true
+    steps:
+      - checkout
+      - *restore-cache
+      - *install-deps
+      - run:
+          name: Build all samples
+          command: npm run build:samples
+
+workflows:
+  version: 2
+  build-and-test:
+    jobs:
+      - build
+      - test_node_12:
+          requires:
+            - build
+      - test_node_10:
+          requires:
+            - build
+      - test_node_8:
+          requires:
+            - build
+      - lint:
+          requires:
+            - build
+      - integration_tests:
+          requires:
+            - build
+      - samples:
+          requires:
+            - build
+      - codechecks_benchmarks:
+          requires:
+            - build

.circleci/install-wrk.sh

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+cd "$(dirname "$0")"
+
+# based on https://medium.com/@felipedutratine/intelligent-benchmark-with-wrk-163986c1587f
+
+cd /tmp/
+sudo apt-get install build-essential libssl-dev git -y
+git clone https://github.com/wg/wrk.git wrk
+cd wrk
+sudo make
+# move the executable to somewhere in your PATH, ex:
+sudo cp wrk /usr/local/bin

.commitlintrc.json

@@ -0,0 +1,28 @@
+{
+  "extends": ["@commitlint/config-angular"],
+  "rules": {
+    "subject-case": [
+      2,
+      "always",
+      ["sentence-case", "start-case", "pascal-case", "upper-case", "lower-case"]
+    ],
+    "type-enum": [
+      2,
+      "always",
+      [
+        "build",
+        "chore",
+        "ci",
+        "docs",
+        "feat",
+        "fix",
+        "perf",
+        "refactor",
+        "revert",
+        "style",
+        "test",
+        "sample"
+      ]
+    ]
+  }
+}

.eslintignore

@@ -0,0 +1 @@
+**/node_modules/**

.eslintrc.js

@@ -0,0 +1,24 @@
+module.exports = {
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    project: 'tsconfig.json',
+    sourceType: 'module',
+  },
+  plugins: ['@typescript-eslint/eslint-plugin'],
+  extends: [
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+    'prettier',
+    'prettier/@typescript-eslint',
+  ],
+  root: true,
+  env: {
+    node: true,
+  },
+  rules: {
+    '@typescript-eslint/interface-name-prefix': 'off',
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    '@typescript-eslint/no-explicit-any': 'off',
+    '@typescript-eslint/no-unused-vars': 'off',
+  },
+};

.eslintrc.spec.js

@@ -0,0 +1,13 @@
+const baseConfig = require('./.eslintrc');
+
+module.exports = {
+  ...baseConfig,
+  parserOptions: {
+    project: 'tsconfig.spec.json',
+    sourceType: 'module',
+  },
+  rules: {
+    ...baseConfig.rules,
+    '@typescript-eslint/no-empty-function': 'off',
+  },
+};

.github/FUNDING.yml

@@ -1,3 +1,4 @@
 # These are supported funding model platforms
 
+github: [kamilmysliwiec]
 open_collective: nest

.github/lock.yml

@@ -0,0 +1,36 @@
+# Number of days of inactivity before a closed issue or pull request is locked
+daysUntilLock: 90
+
+# Skip issues and pull requests created before a given timestamp. Timestamp must
+# follow ISO 8601 (`YYYY-MM-DD`). Set to `false` to disable
+skipCreatedBefore: false
+
+# Issues and pull requests with these labels will be ignored. Set to `[]` to disable
+exemptLabels: []
+
+# Label to add before locking, such as `outdated`. Set to `false` to disable
+lockLabel: false
+
+# Comment to post before locking. Set to `false` to disable
+lockComment: >
+  This thread has been automatically locked since there has not been
+  any recent activity after it was closed. Please open a new issue for
+  related bugs.
+
+# Assign `resolved` as the reason for locking. Set to `false` to disable
+setLockReason: true
+
+# Limit to only `issues` or `pulls`
+# only: issues
+
+# Optionally, specify configuration settings just for `issues` or `pulls`
+# issues:
+#   exemptLabels:
+#     - help-wanted
+#   lockLabel: outdated
+
+# pulls:
+#   daysUntilLock: 30
+
+# Repository to extend settings from
+# _extends: repo

.gitignore

@@ -5,6 +5,7 @@ node_modules/
 /.idea
 /.awcache
 /.vscode
+*.code-workspace
 
 # bundle
 packages/**/*.d.ts

.prettierrc

@@ -1,4 +1,5 @@
 {
   "singleQuote": true,
+  "arrowParens": "avoid",
   "trailingComma": "all"
-}
+}

.travis.yml

@@ -1,63 +0,0 @@
-language: node_js
-
-cache:
-  directories:
-    - "node_modules"
-
-git:
-  depth: 5
-
-addons:
-  firefox: "latest"
-
-before_script:
-  - export DISPLAY=:99.0
-  - sh -e /etc/init.d/xvfb start
-
-before_install:
-  - npm i -g npm@latest
-
-install:
-  - npm ci
-  - npm run build:dev
-
-jobs:
-  include:
-    - state: "Test"
-      name: "Unit Test Node v12"
-      script: npm test
-      node_js: 12
-      after_success: npm run coverage
-
-    - state: "Test"
-      name: "Unit Test Node v10"
-      script: npm test
-      node_js: 10
-    
-    - state: "Test"
-      name: "Unit Test Node v8"
-      script: npm test
-      node_js: 8
-
-    - state: "Test"
-      name: "Integration Test"
-      install: skip
-      before_install: skip
-      before_script: skip
-      addons: skip
-      script:
-        sudo service mysql stop &&
-        bash ./scripts/prepare.sh &&
-        npm run integration-test
-      node_js: 12
-
-    - stage: "Test"
-      name: "Lint"
-      script: npm run lint
-      node_js: 12
-
-    - stage: "Test"
-      name: "Build samples"
-      script: npm run build:samples
-      node_js: 12
-

CODE_OF_CONDUCT.md

@@ -0,0 +1,76 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+ advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+ address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+ professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at support@nestjs.com. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

CONTRIBUTING.md

@@ -4,13 +4,14 @@ We would love for you to contribute to Nest and help make it even better than it
 today! As a contributor, here are the guidelines we would like you to follow:
 
 <!--* [Code of Conduct](#coc)-->
-* [Question or Problem?](#question)
-* [Issues and Bugs](#issue)
-* [Feature Requests](#feature)
-* [Submission Guidelines](#submit)
-* [Development Setup](#development)
-* [Coding Rules](#rules)
-* [Commit Message Guidelines](#commit)
+
+- [Question or Problem?](#question)
+- [Issues and Bugs](#issue)
+- [Feature Requests](#feature)
+- [Submission Guidelines](#submit)
+- [Development Setup](#development)
+- [Coding Rules](#rules)
+- [Commit Message Guidelines](#commit)
   <!-- - [Signing the CLA](#cla) -->
 
 <!-- ## <a name="coc"></a> Code of Conduct
@@ -24,12 +25,12 @@ Stack Overflow is a much better place to ask questions since:
 
 <!-- - there are thousands of people willing to help on Stack Overflow [maybe one day] -->
 
-* questions and answers stay available for public viewing so your question / answer might help someone else
-* Stack Overflow's voting system assures that the best answers are prominently visible.
+- questions and answers stay available for public viewing so your question / answer might help someone else
+- Stack Overflow's voting system assures that the best answers are prominently visible.
 
 To save your and our time, we will systematically close all issues that are requests for general support and redirect people to Stack Overflow.
 
-If you would like to chat about the question in real-time, you can reach out via [our gitter channel][gitter].
+If you would like to chat about the question in real-time, you can reach out via [our discord channel][discord].
 
 ## <a name="issue"></a> Found a Bug?
 
@@ -44,10 +45,10 @@ Repository. If you would like to _implement_ a new feature, please submit an iss
 a proposal for your work first, to be sure that we can use it.
 Please consider what kind of change it is:
 
-* For a **Major Feature**, first open an issue and outline your proposal so that it can be
+- For a **Major Feature**, first open an issue and outline your proposal so that it can be
   discussed. This will also allow us to better coordinate our efforts, prevent duplication of work,
   and help you to craft the change so that it is successfully accepted into the project. For your issue name, please prefix your proposal with `[discussion]`, for example "[discussion]: your feature idea".
-* **Small Features** can be crafted and directly [submitted as a Pull Request](#submit-pr).
+- **Small Features** can be crafted and directly [submitted as a Pull Request](#submit-pr).
 
 ## <a name="submit"></a> Submission Guidelines
 
@@ -57,9 +58,9 @@ Before you submit an issue, please search the issue tracker, maybe an issue for
 
 We want to fix all the issues as soon as possible, but before fixing a bug we need to reproduce and confirm it. In order to reproduce bugs we will systematically ask you to provide a minimal reproduction scenario using a repository or [Gist](https://gist.github.com/). Having a live, reproducible scenario gives us wealth of important information without going back & forth to you with additional questions like:
 
-* version of NestJS used
-* 3rd-party libraries and their versions
-* and most importantly - a use-case that fails
+- version of NestJS used
+- 3rd-party libraries and their versions
+- and most importantly - a use-case that fails
 
 <!--
 // TODO we need to create a playground, similar to plunkr
@@ -114,11 +115,11 @@ We cannot accept code without this.
 
 1. In GitHub, send a pull request to `nestjs:master`.
 
-* If we suggest changes then:
+- If we suggest changes then:
 
-  * Make the required updates.
-  * Re-run the Nest test suites to ensure tests are still passing.
-  * Rebase your branch and force push to your GitHub repository (this will update your Pull Request):
+  - Make the required updates.
+  - Re-run the Nest test suites to ensure tests are still passing.
+  - Rebase your branch and force push to your GitHub repository (this will update your Pull Request):
 
     ```shell
     git rebase master -i
@@ -132,25 +133,25 @@ That's it! Thank you for your contribution!
 After your pull request is merged, you can safely delete your branch and pull the changes
 from the main (upstream) repository:
 
-* Delete the remote branch on GitHub either through the GitHub web UI or your local shell as follows:
+- Delete the remote branch on GitHub either through the GitHub web UI or your local shell as follows:
 
   ```shell
   git push origin --delete my-fix-branch
   ```
 
-* Check out the master branch:
+- Check out the master branch:
 
   ```shell
   git checkout master -f
   ```
 
-* Delete the local branch:
+- Delete the local branch:
 
   ```shell
   git branch -D my-fix-branch
   ```
 
-* Update your master with the latest upstream version:
+- Update your master with the latest upstream version:
 
   ```shell
   git pull --ff upstream master
@@ -177,14 +178,9 @@ That will compile fresh packages and afterward, move them to all `sample` direct
 ### <a name="common-scripts"></a>Commonly used NPM scripts
 
 ```bash
-# build all packages and put them near to their source .ts files
+# build all packages and move to "sample" directories
 $ npm run build
 
-# build all packages and move to "sample" and "integration" directories
-# if cross-packages breaking changes were performed you may face irrelevant errors
-# in order to verify the build, you can run this command again then
-$ npm run build:dev
-
 # run the full unit tests suite
 $ npm run test
 
@@ -194,6 +190,9 @@ $ sh scripts/run-integration.sh
 
 # run linter
 $ npm run lint
+
+# build all packages and put them near to their source .ts files
+$ npm run build:prod
 ```
 
 ## <a name="rules"></a> Coding Rules
@@ -204,10 +203,9 @@ To ensure consistency throughout the source code, keep these rules in mind as yo
 // We're working on auto-documentation.
 * All public API methods **must be documented**. (Details TBC). -->
 
-* All features or bug fixes **must be tested** by one or more specs (unit-tests).
-* We follow [Google's JavaScript Style Guide][js-style-guide], but wrap all code at
-  **100 characters**. An automated formatter is available, see
-  [DEVELOPER.md](docs/DEVELOPER.md#clang-format).
+- All features or bug fixes **must be tested** by one or more specs (unit-tests).
+- We follow [Google's JavaScript Style Guide][js-style-guide], but wrap all code at
+  **100 characters**. An automated formatter is available (`npm run format`).
 
 ## <a name="commit"></a> Commit Message Guidelines
 
@@ -238,8 +236,8 @@ Footer should contain a [closing reference to an issue](https://help.github.com/
 Samples: (even more [samples](https://github.com/nestjs/nest/commits/master))
 
 ```
-docs(changelog) update change log to beta.5
-bugfix(core) need to depend on latest rxjs and zone.js
+docs(changelog): update change log to beta.5
+bugfix(core): need to depend on latest rxjs and zone.js
 ```
 
 ### Revert
@@ -250,15 +248,15 @@ If the commit reverts a previous commit, it should begin with `revert:`, followe
 
 Must be one of the following:
 
-* **build**: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
-* **ci**: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
-* **docs**: Documentation only changes
-* **feature**: A new feature
-* **bugfix**: A bug fix
-* **perf**: A code change that improves performance
-* **refactor**: A code change that neither fixes a bug nor adds a feature
-* **style**: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
-* **test**: Adding missing tests or correcting existing tests
+- **build**: Changes that affect the build system or external dependencies (example scopes: gulp, broccoli, npm)
+- **ci**: Changes to our CI configuration files and scripts (example scopes: Travis, Circle, BrowserStack, SauceLabs)
+- **docs**: Documentation only changes
+- **feature**: A new feature
+- **fix**: A bug fix
+- **perf**: A code change that improves performance
+- **refactor**: A code change that neither fixes a bug nor adds a feature
+- **style**: Changes that do not affect the meaning of the code (white-space, formatting, missing semi-colons, etc)
+- **test**: Adding missing tests or correcting existing tests
 
 ### Scope
 
@@ -266,28 +264,28 @@ The scope should be the name of the npm package affected (as perceived by person
 
 The following is the list of supported scopes:
 
-* **common**
-* **core**
-* **sample**
-* **microservices**
-* **testing**
-* **websockets**
+- **common**
+- **core**
+- **sample**
+- **microservices**
+- **testing**
+- **websockets**
 
 There are currently a few exceptions to the "use package name" rule:
 
-* **packaging**: used for changes that change the npm package layout in all of our packages, e.g. public path changes, package.json changes done to all packages, d.ts file/format changes, changes to bundles, etc.
-* **changelog**: used for updating the release notes in CHANGELOG.md
-* **sample/#**: for the example apps directory, replacing # with the example app number
-* none/empty string: useful for `style`, `test` and `refactor` changes that are done across all packages (e.g. `style: add missing semicolons`)
-<!-- * **aio**: used for docs-app (angular.io) related changes within the /aio directory of the repo -->
+- **packaging**: used for changes that change the npm package layout in all of our packages, e.g. public path changes, package.json changes done to all packages, d.ts file/format changes, changes to bundles, etc.
+- **changelog**: used for updating the release notes in CHANGELOG.md
+- **sample/#**: for the example apps directory, replacing # with the example app number
+- none/empty string: useful for `style`, `test` and `refactor` changes that are done across all packages (e.g. `style: add missing semicolons`)
+  <!-- * **aio**: used for docs-app (angular.io) related changes within the /aio directory of the repo -->
 
 ### Subject
 
 The subject contains succinct description of the change:
 
-* use the imperative, present tense: "change" not "changed" nor "changes"
-* don't capitalize first letter
-* no dot (.) at the end
+- use the imperative, present tense: "change" not "changed" nor "changes"
+- don't capitalize first letter
+- no dot (.) at the end
 
 ### Body
 
@@ -320,7 +318,7 @@ changes to be accepted, the CLA must be signed. It's a quick process, we promise
 [corporate-cla]: http://code.google.com/legal/corporate-cla-v1.0.html
 [dev-doc]: https://github.com/nestjs/nest/blob/master/docs/DEVELOPER.md
 [github]: https://github.com/nestjs/nest
-[gitter]: https://gitter.im/nestjs/nestjs
+[discord]: https://discordapp.com/invite/G7Qnnhy
 [individual-cla]: http://code.google.com/legal/individual-cla-v1.0.html
 [js-style-guide]: https://google.github.io/styleguide/jsguide.html
 [jsfiddle]: http://jsfiddle.net

Readme.md

@@ -1,24 +1,22 @@
 <p align="center">
-  <a href="http://nestjs.com/" target="blank"><img src="https://nestjs.com/img/logo_text.svg" width="320" alt="Nest Logo" /></a>
+  <a href="http://nestjs.com/" target="blank"><img src="https://nestjs.com/img/logo-small.svg" width="120" alt="Nest Logo" /></a>
 </p>
 
-[travis-image]: https://api.travis-ci.org/nestjs/nest.svg?branch=master
-[travis-url]: https://travis-ci.org/nestjs/nest
-[linux-image]: https://img.shields.io/travis/nestjs/nest/master.svg?label=linux
-[linux-url]: https://travis-ci.org/nestjs/nest
+[circleci-image]: https://img.shields.io/circleci/build/github/nestjs/nest/master?token=abc123def456
+[circleci-url]: https://circleci.com/gh/nestjs/nest
 
-  <p align="center">A progressive <a href="http://nodejs.org" target="_blank">Node.js</a> framework for building efficient and scalable server-side applications, heavily inspired by <a href="https://angular.io" target="blank">Angular</a>.</p>
+  <p align="center">A progressive <a href="http://nodejs.org" target="_blank">Node.js</a> framework for building efficient and scalable server-side applications.</p>
     <p align="center">
 <a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/v/@nestjs/core.svg" alt="NPM Version" /></a>
 <a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/l/@nestjs/core.svg" alt="Package License" /></a>
-<a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/dm/@nestjs/core.svg" alt="NPM Downloads" /></a>
-<a href="https://travis-ci.org/nestjs/nest" target="_blank"><img src="https://api.travis-ci.org/nestjs/nest.svg?branch=master" alt="Travis" /></a>
-<a href="https://travis-ci.org/nestjs/nest" target="_blank"><img src="https://img.shields.io/travis/nestjs/nest/master.svg?label=linux" alt="Linux" /></a>
+<a href="https://www.npmjs.com/~nestjscore" target="_blank"><img src="https://img.shields.io/npm/dm/@nestjs/common.svg" alt="NPM Downloads" /></a>
+<a href="https://circleci.com/gh/nestjs/nest" target="_blank"><img src="https://img.shields.io/circleci/build/github/nestjs/nest/master" alt="CircleCI" /></a>
 <a href="https://coveralls.io/github/nestjs/nest?branch=master" target="_blank"><img src="https://coveralls.io/repos/github/nestjs/nest/badge.svg?branch=master#9" alt="Coverage" /></a>
 <a href="https://discord.gg/G7Qnnhy" target="_blank"><img src="https://img.shields.io/badge/discord-online-brightgreen.svg" alt="Discord"/></a>
 <a href="https://opencollective.com/nest#backer" target="_blank"><img src="https://opencollective.com/nest/backers/badge.svg" alt="Backers on Open Collective" /></a>
 <a href="https://opencollective.com/nest#sponsor" target="_blank"><img src="https://opencollective.com/nest/sponsors/badge.svg" alt="Sponsors on Open Collective" /></a>
   <a href="https://paypal.me/kamilmysliwiec" target="_blank"><img src="https://img.shields.io/badge/Donate-PayPal-ff3f59.svg"/></a>
+    <a href="https://opencollective.com/nest#sponsor"  target="_blank"><img src="https://img.shields.io/badge/Support%20us-Open%20Collective-41B883.svg" alt="Support us"></a>
   <a href="https://twitter.com/nestframework" target="_blank"><img src="https://img.shields.io/twitter/follow/nestframework.svg?style=social&label=Follow"></a>
 </p>
   <!--[![Backers on Open Collective](https://opencollective.com/nest/backers/badge.svg)](https://opencollective.com/nest#backer)
@@ -33,7 +31,7 @@ Nest is a framework for building efficient, scalable <a href="http://nodejs.org"
 ## Philosophy
 
 <p>In recent years, thanks to Node.js, JavaScript has become the “lingua franca” of the web for both front and backend applications, giving rise to awesome projects like <a href="https://angular.io/" target="_blank">Angular</a>, <a href="https://github.com/facebook/react" target="_blank">React</a> and <a href="https://github.com/vuejs/vue" target="_blank">Vue</a> which improve developer productivity and enable the construction of fast, testable, extensible frontend applications. However, on the server-side, while there are a lot of superb libraries, helpers and tools for Node, none of them effectively solve the main problem - the architecture.</p>
-<p>Nest aims to provide an application architecture out of the box which allows for effortless creation of highly testable, scalable, loosely coupled and easily maintainable applications.</p>
+<p>Nest aims to provide an application architecture out of the box which allows for effortless creation of highly testable, scalable, loosely coupled and easily maintainable applications. The architecture is heavily inspired by Angular.</p>
 
 ## Getting started
 
@@ -42,7 +40,7 @@ Nest is a framework for building efficient, scalable <a href="http://nodejs.org"
 
 ## Consulting
 
-With official support, you can get expert help straight from Nest core team. We provide dedicated technical support, migration strategies, advice on best practices (and design decisions), PR reviews, and team augmentation. Read more about [support here](https://docs.nestjs.com/enterprise).
+With official support, you can get expert help straight from Nest core team. We provide dedicated technical support, migration strategies, advice on best practices (and design decisions), PR reviews, and team augmentation. Read more about [support here](https://enterprise.nestjs.com).
 
 ## Support
 
@@ -61,17 +59,18 @@ Nest is an MIT-licensed open source project. It can grow thanks to the sponsors
 #### Sponsors
 
 <a href="https://www.swingdev.io" target="_blank"><img src="https://nestjs.com/img/swingdev-logo.svg#1" width="110" valign="middle" /> </a> &nbsp; <a href="https://blueanchor.io/" target="_blank"><img src="https://nestjs.com/img/blueanchor.png" width="150" valign="middle" /></a> &nbsp;
-<a href="https://www.novologic.com/" target="_blank"><img src="https://nestjs.com/img/novologic.png" width="110" valign="middle" /></a> &nbsp;
-<a href="https://scal.io" target="_blank"><img src="https://nestjs.com/img/scalio-logo.svg" width="80" valign="middle" /></a> &nbsp; <a href="http://angularity.io" target="_blank"><img src="http://angularity.io/media/logo.svg" height="22" valign="middle" /></a> &nbsp; <!--<a href="https://keycdn.com"><img src="https://nestjs.com/img/keycdn.svg" height="30" /></a> &nbsp;--> <a href="https://hostpresto.com" target="_blank"><img src="https://nestjs.com/img/hostpresto.png" height="24" valign="middle" /></a>
+<a href="https://www.novologic.com/" target="_blank"><img src="https://nestjs.com/img/novologic.png" width="110" valign="middle" /></a> &nbsp; <a href="https://hostpresto.com" target="_blank"><img src="https://nestjs.com/img/hostpresto.png" height="24" valign="middle" /></a>
 <a href="https://ever.co/" target="_blank"><img src="https://nestjs.com/img/ever-logo.png" height="14" valign="middle" /></a>  &nbsp; 
 <a href="https://buddy.works/" target="_blank"><img src="https://nestjs.com/img/buddy-logo.svg" height="25" valign="middle" /></a> &nbsp;
-<a href="https://blokt.com" target="_blank"><img src="https://nestjs.com/img/blokt-logo.png" height="25" valign="middle" /></a>  &nbsp;  <a href="https://genuinebee.com/" target="_blank"><img src="https://nestjs.com/img/genuinebee.svg" height="24" valign="middle" /></a> &nbsp; <a href="http://architectnow.net/" target="_blank"><img src="https://nestjs.com/img/architectnow.png" height="20" valign="middle" /></a> &nbsp; <a href="https://quander.io/" target="_blank"><img src="https://nestjs.com/img/quander.png" height="22" valign="middle" /></a> &nbsp; <a href="https://mantro.net/" target="_blank"><img src="https://nestjs.com/img/mantro-logo.svg" height="19" valign="middle" /></a> &nbsp; <a href="https://triplebyte.com/" target="_blank"><img src="https://nestjs.com/img/triplebyte.png" height="20" valign="middle" /></a> &nbsp; 
-<a href="https://reposit.co.uk/" target="_blank"><img src="https://nestjs.com/img/reposit-logo.png" height="18" valign="middle" /></a> &nbsp; &nbsp; <a href="https://yakaz.com/" target="_blank"><img src="https://nestjs.com/img/yakaz.png" width="70" valign="middle" /></a> &nbsp;
+<a href="https://blokt.com" target="_blank"><img src="https://nestjs.com/img/blokt-logo.png" height="25" valign="middle" /></a>  &nbsp;  <a href="https://genuinebee.com/" target="_blank"><img src="https://nestjs.com/img/genuinebee.svg" height="27" valign="middle" /></a> &nbsp; <a href="http://architectnow.net/" target="_blank"><img src="https://nestjs.com/img/architectnow.png" height="20" valign="middle" /></a> &nbsp; <a href="https://quander.io/" target="_blank"><img src="https://nestjs.com/img/quander.png" height="22" valign="middle" /></a> &nbsp; <a href="https://mantro.net/" target="_blank"><img src="https://nestjs.com/img/mantro-logo.svg" height="19" valign="middle" /></a> &nbsp; <a href="https://triplebyte.com/" target="_blank"><img src="https://nestjs.com/img/triplebyte.png" height="20" valign="middle" /></a> &nbsp; 
+<a href="https://reposit.co.uk/" target="_blank"><img src="https://nestjs.com/img/reposit-logo.png" height="18" valign="middle" /></a> &nbsp; &nbsp;
 <a href="https://nearpod.com/" target="_blank"><img src="https://nestjs.com/img/nearpod-logo.svg" width="100" valign="middle" /></a> &nbsp;
 <a href="https://clay.global/" target="_blank"><img src="https://nestjs.com/img/clay-logo.svg" width="75" valign="middle" /></a> &nbsp;
 <a href="https://firesticktricks.com" target="_blank"><img src="https://nestjs.com/img/firesticktricks-logo.png" width="120" valign="middle" /></a> &nbsp;
 <a href="https://www.codeguesser.co.uk" target="_blank"><img src="https://nestjs.com/img/codeguesser-logo.svg" width="120" valign="middle" /></a> &nbsp;
-<a href="https://tekhattan.com" target="_blank"><img src="https://nestjs.com/img/tekhattan-logo.png" width="110" valign="middle" /></a>
+<a href="https://tekhattan.com" target="_blank"><img src="https://nestjs.com/img/tekhattan-logo.png" width="110" valign="middle" /></a> &nbsp;
+<a href="https://f-a.nz/" target="_blank"><img src="https://nestjs.com/img/franz.svg" width="80" valign="middle" /></a> &nbsp;
+<a href="https://sparkfabrik.com/" target="_blank"><img src="https://nestjs.com/img/sparkfabrik-logo.png" width="120" valign="middle" /></a>
 
 
 ## Backers
@@ -80,7 +79,7 @@ Nest is an MIT-licensed open source project. It can grow thanks to the sponsors
 
 ## Stay in touch
 
-* Author - [Kamil Myśliwiec](https://kamilmysliwiec.com)
+* Author - [Kamil Myśliwiec](https://twitter.com/kammysliwiec)
 * Website - [https://nestjs.com](https://nestjs.com/)
 * Twitter - [@nestframework](https://twitter.com/nestframework)
 

benchmarks/run.sh

@@ -1,14 +0,0 @@
-#!/usr/bin/env bash
-
-echo 'Library:' $1
-node $1 &
-pid=$!
-
-sleep 2
-
-wrk 'http://localhost:3000' \
-  -d 10 \
-  -c 1024 \
-  -t 8 
-
-kill $pid

benchmarks/run_all.sh

@@ -1,23 +0,0 @@
-#!/usr/bin/env bash
-
-: > all_output.txt
-
-lib=(express fastify nest nest-fastify)
-for item in ${lib[*]}
-do
-  echo '-----------------------' >> all_output.txt
-  echo $item >> all_output.txt
-  echo '-----------------------' >> all_output.txt
-
-  node $item &
-  pid=$!
-
-  sleep 2
-  
-  wrk 'http://localhost:3000' \
-    -d 10 \
-    -c 1024 \
-    -t 8 >> all_output.txt
-
-    kill $pid
-done

gulpfile.js

@@ -1,166 +1,16 @@
-const fs = require('fs');
+'use strict';
+/**
+ * Load the TypeScript compiler, then load the TypeScript gulpfile which simply loads all
+ * the tasks. The tasks are really inside tools/gulp/tasks.
+ */
+
 const path = require('path');
-const gulp = require('gulp');
-const ts = require('gulp-typescript');
-const sourcemaps = require('gulp-sourcemaps');
-const clean = require('gulp-clean');
-const deleteEmpty = require('delete-empty');
-const childProcess = require('child_process');
-const log = require('fancy-log');
-const clc = require('cli-color');
 
-const { promisify } = require('util');
+const projectDir = __dirname;
+const tsconfigPath = path.join(projectDir, 'tools/gulp/tsconfig.json');
 
-const exec = promisify(childProcess.exec);
-
-const SAMPLE = path.join(__dirname, 'sample');
-
-const packages = {
-  common: ts.createProject('packages/common/tsconfig.json'),
-  core: ts.createProject('packages/core/tsconfig.json'),
-  microservices: ts.createProject('packages/microservices/tsconfig.json'),
-  websockets: ts.createProject('packages/websockets/tsconfig.json'),
-  testing: ts.createProject('packages/testing/tsconfig.json'),
-  'platform-express': ts.createProject(
-    'packages/platform-express/tsconfig.json',
-  ),
-  'platform-fastify': ts.createProject(
-    'packages/platform-fastify/tsconfig.json',
-  ),
-  'platform-socket.io': ts.createProject(
-    'packages/platform-socket.io/tsconfig.json',
-  ),
-  'platform-ws': ts.createProject('packages/platform-ws/tsconfig.json'),
-};
-const modules = Object.keys(packages);
-const source = 'packages';
-const distId = process.argv.indexOf('--dist');
-const dist = distId < 0 ? source : process.argv[distId + 1];
-
-gulp.task('default', function() {
-  modules.forEach(module => {
-    gulp.watch(
-      [`${source}/${module}/**/*.ts`, `${source}/${module}/*.ts`],
-      [module],
-    );
-  });
+require('ts-node').register({
+  project: tsconfigPath
 });
 
-gulp.task('copy-misc', function() {
-  return gulp
-    .src(['Readme.md', 'LICENSE', '.npmignore'])
-    .pipe(gulp.dest(`${source}/common`))
-    .pipe(gulp.dest(`${source}/core`))
-    .pipe(gulp.dest(`${source}/microservices`))
-    .pipe(gulp.dest(`${source}/websockets`))
-    .pipe(gulp.dest(`${source}/testing`))
-    .pipe(gulp.dest(`${source}/platform-fastify`))
-    .pipe(gulp.dest(`${source}/platform-express`))
-    .pipe(gulp.dest(`${source}/platform-ws`))
-    .pipe(gulp.dest(`${source}/platform-socket.io`));
-});
-
-gulp.task('clean:output', function() {
-  return gulp
-    .src(
-      [`${source}/**/*.js`, `${source}/**/*.d.ts`, `${source}/**/*.js.map`],
-      {
-        read: false,
-      },
-    )
-    .pipe(clean());
-});
-
-gulp.task('clean:dirs', function(done) {
-  deleteEmpty.sync(`${source}/`);
-  done();
-});
-
-gulp.task('clean:bundle', gulp.series('clean:output', 'clean:dirs'));
-
-modules.forEach(module => {
-  gulp.task(module, () => {
-    return packages[module]
-      .src()
-      .pipe(packages[module]())
-      .pipe(gulp.dest(`${dist}/${module}`));
-  });
-});
-
-modules.forEach(module => {
-  gulp.task(module + ':dev', () => {
-    return packages[module]
-      .src()
-      .pipe(sourcemaps.init())
-      .pipe(packages[module]())
-      .pipe(
-        sourcemaps.mapSources(sourcePath => './' + sourcePath.split('/').pop()),
-      )
-      .pipe(sourcemaps.write('.'))
-      .pipe(gulp.dest(`${dist}/${module}`));
-  });
-});
-
-gulp.task('common:dev', gulp.series(modules.map(module => module + ':dev')));
-gulp.task('build', gulp.series(modules));
-gulp.task('build:dev', gulp.series('common:dev'));
-
-function getFolders(dir) {
-  return fs.readdirSync(dir).filter(function(file) {
-    return fs.statSync(path.join(dir, file)).isDirectory();
-  });
-}
-
-const getDirs = base => getFolders(base).map(path => `${base}/${path}`);
-
-gulp.task('install:samples', async () => {
-  const directories = getDirs(SAMPLE);
-
-  const promises = directories.map(async dir => {
-    log.info(
-      `Installing dependencies of ${clc.magenta(dir.replace(__dirname, ''))}`,
-    );
-    try {
-      await exec(`npm install --no-shrinkwrap --prefix ${dir}`);
-    } catch (err) {
-      log.error(`Failed installing dependencies of ${dir}`);
-      throw err;
-    }
-  });
-
-  await Promise.all(promises);
-});
-
-gulp.task('build:samples', async () => {
-  const directories = getDirs(SAMPLE);
-
-  const promises = directories.map(async dir => {
-    log.info(
-      `Building ${clc.magenta(dir.replace(__dirname, ''))}`,
-    );
-    try {
-      await exec(`npm run build --prefix ${dir}`);
-    } catch (err) {
-      log.error(`Failed building ${clc.magenta(dir)}:`);
-      if(err.stdout) {
-        log.error(err.stdout);
-      }
-      throw err;
-    }
-  });
-
-  return await Promise.all(promises);
-});
-
-gulp.task('move', function() {
-  const examplesDirs = getDirs('sample');
-  const integrationDirs = getDirs('integration');
-  const directories = examplesDirs.concat(integrationDirs);
-
-  let stream = gulp.src(['node_modules/@nestjs/**/*']);
-
-  directories.forEach(dir => {
-    stream = stream.pipe(gulp.dest(dir + '/node_modules/@nestjs'));
-  });
-  return stream;
-});
+require('./tools/gulp/gulpfile');

integration/docker-compose.yml

@@ -23,7 +23,7 @@ services:
       - "9001:9001"
     restart: always
   mysql:
-    image: mysql:5.7.26
+    image: mysql:5.7.29
     environment:
       MYSQL_ROOT_PASSWORD: root
       MYSQL_DATABASE: test
@@ -31,15 +31,42 @@ services:
       - "3306:3306"
     restart: always
   mongodb:
+    container_name: test-mongodb
     image: mongo:latest
     environment:
       - MONGODB_DATABASE="test"
     ports:
       - 27017:27017
   rabbit:
+    container_name: test-rabbit
     hostname: rabbit
     image: "rabbitmq:management"
     ports:
       - "15672:15672"
       - "5672:5672"
     tty: true
+  zookeeper:
+    container_name: test-zookeeper
+    hostname: zookeeper
+    image: confluentinc/cp-zookeeper:5.3.2
+    ports:
+      - "2181:2181"
+    environment:
+      ZOOKEEPER_CLIENT_PORT: 2181
+      ZOOKEEPER_TICK_TIME: 2000
+  kafka:
+    container_name: test-kafka
+    hostname: kafka
+    image: confluentinc/cp-kafka:5.3.2
+    depends_on:
+      - zookeeper
+    ports:
+      - "29092:29092"
+      - "9092:9092"
+    environment:
+      KAFKA_BROKER_ID: 1
+      KAFKA_ZOOKEEPER_CONNECT: zookeeper:2181
+      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_HOST:PLAINTEXT
+      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://kafka:29092,PLAINTEXT_HOST://localhost:9092
+      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
+      KAFKA_GROUP_INITIAL_REBALANCE_DELAY_MS: 0

integration/graphql-code-first/e2e/code-first.spec.ts

@@ -3,7 +3,7 @@ import { Test } from '@nestjs/testing';
 import * as request from 'supertest';
 import { ApplicationModule } from '../src/app.module';
 
-describe('TypeGraphQL', () => {
+describe('GraphQL - Code-first', () => {
   let app: INestApplication;
 
   beforeEach(async () => {

integration/graphql-code-first/e2e/pipes.spec.ts

@@ -0,0 +1,62 @@
+import { INestApplication, ValidationPipe } from '@nestjs/common';
+import { Test } from '@nestjs/testing';
+import * as request from 'supertest';
+import { ApplicationModule } from '../src/app.module';
+
+describe('GraphQL Pipes', () => {
+  let app: INestApplication;
+
+  beforeEach(async () => {
+    const module = await Test.createTestingModule({
+      imports: [ApplicationModule],
+    }).compile();
+
+    app = module.createNestApplication();
+    app.useGlobalPipes(new ValidationPipe());
+    await app.init();
+  });
+
+  it(`should throw an error`, () => {
+    return request(app.getHttpServer())
+      .post('/graphql')
+      .send({
+        operationName: null,
+        variables: {},
+        query:
+          'mutation {\n  addRecipe(newRecipeData: {title: "test", ingredients: []}) {\n    id\n  }\n}\n',
+      })
+      .expect(200, {
+        data: null,
+        errors: [
+          {
+            extensions: {
+              code: 'INTERNAL_SERVER_ERROR',
+              exception: {
+                message: 'Bad Request Exception',
+                response: {
+                  message: [
+                    'description must be longer than or equal to 30 characters',
+                  ],
+                  error: 'Bad Request',
+                  statusCode: 400,
+                },
+                status: 400,
+              },
+            },
+            locations: [
+              {
+                column: 3,
+                line: 2,
+              },
+            ],
+            message: 'Bad Request Exception',
+            path: ['addRecipe'],
+          },
+        ],
+      });
+  });
+
+  afterEach(async () => {
+    await app.close();
+  });
+});

integration/graphql-code-first/schema.gql

@@ -1,7 +1,6 @@
-# -----------------------------------------------
-# !!! THIS FILE WAS GENERATED BY TYPE-GRAPHQL !!!
-# !!!   DO NOT MODIFY THIS FILE BY YOURSELF   !!!
-# -----------------------------------------------
+# ------------------------------------------------------
+# THIS FILE WAS AUTOMATICALLY GENERATED (DO NOT MODIFY)
+# ------------------------------------------------------
 
 """Date custom scalar type"""
 scalar Date

integration/graphql-code-first/src/app.module.ts

@@ -9,7 +9,10 @@ import { RecipesModule } from './recipes/recipes.module';
     GraphQLModule.forRoot({
       debug: false,
       installSubscriptionHandlers: true,
-      autoSchemaFile: join(process.cwd(), 'integration/typegraphql/schema.gql'),
+      autoSchemaFile: join(
+        process.cwd(),
+        'integration/graphql-code-first/schema.gql',
+      ),
     }),
   ],
 })

integration/graphql-code-first/src/common/interceptors/data.interceptor.ts

@@ -10,6 +10,6 @@ import { tap } from 'rxjs/operators';
 @Injectable()
 export class DataInterceptor implements NestInterceptor {
   intercept(context: ExecutionContext, next: CallHandler): Observable<any> {
-    return next.handle().pipe(tap(data => console.log(data)));
+    return next.handle().pipe(tap(data => data));
   }
 }

integration/graphql-code-first/src/recipes/dto/new-recipe.input.ts

@@ -1,6 +1,6 @@
+import { Field, InputType } from '@nestjs/graphql';
 import { Type } from 'class-transformer';
 import { Length, MaxLength } from 'class-validator';
-import { Field, InputType } from 'type-graphql';
 
 @InputType()
 export class NewRecipeInput {

integration/graphql-code-first/src/recipes/dto/recipes.args.ts

@@ -1,14 +1,14 @@
+import { ArgsType, Field, Int } from '@nestjs/graphql';
 import { Max, Min } from 'class-validator';
-import { ArgsType, Field, Int } from 'type-graphql';
 
 @ArgsType()
 export class RecipesArgs {
   @Field(type => Int)
   @Min(0)
-  skip: number = 0;
+  skip = 0;
 
   @Field(type => Int)
   @Min(1)
   @Max(50)
-  take: number = 25;
+  take = 25;
 }

integration/graphql-code-first/src/recipes/models/recipe.ts

@@ -1,4 +1,4 @@
-import { Field, ID, ObjectType } from 'type-graphql';
+import { Field, ID, ObjectType } from '@nestjs/graphql';
 
 @ObjectType()
 export class Recipe {

integration/graphql-code-first/src/recipes/recipes.module.ts

@@ -1,6 +1,6 @@
 import { Module } from '@nestjs/common';
 import { APP_FILTER } from '@nestjs/core';
-import { UnauthorizedFilter } from '../common/filters/unathorized.filter';
+import { UnauthorizedFilter } from '../common/filters/unauthorized.filter';
 import { DateScalar } from '../common/scalars/date.scalar';
 import { RecipesResolver } from './recipes.resolver';
 import { RecipesService } from './recipes.service';

integration/graphql-schema-first/src/cats/cats.resolvers.ts

@@ -14,7 +14,7 @@ export class CatsResolvers {
   @Query()
   @UseGuards(CatsGuard)
   async getCats() {
-    return await this.catsService.findAll();
+    return this.catsService.findAll();
   }
 
   @Query('cat')
@@ -22,7 +22,7 @@ export class CatsResolvers {
     @Args('id', ParseIntPipe)
     id: number,
   ): Promise<Cat> {
-    return await this.catsService.findOneById(id);
+    return this.catsService.findOneById(id);
   }
 
   @Mutation('createCat')

integration/graphql/package.json

@@ -1,29 +0,0 @@
-{
-  "name": "nest-typescript-starter",
-  "version": "1.0.0",
-  "description": "Nest TypeScript starter repository",
-  "license": "MIT",
-  "scripts": {
-    "start": "ts-node src/main",
-    "prestart:prod": "tsc",
-    "start:prod": "node dist/main.js"
-  },
-  "dependencies": {
-    "@nestjs/common": "6.5.2",
-    "@nestjs/core": "6.5.2",
-    "@nestjs/graphql": "6.4.2",
-    "apollo-server-express": "2.7.0",
-    "graphql": "14.4.2",
-    "graphql-tools": "4.0.5",
-    "reflect-metadata": "0.1.13",
-    "rxjs": "6.5.2",
-    "subscriptions-transport-ws": "0.9.16",
-    "typescript": "3.5.3",
-    "ws": "7.1.0"
-  },
-  "devDependencies": {
-    "@types/node": "7.10.7",
-    "ts-node": "8.3.0",
-    "tslint": "5.18.0"
-  }
-}

integration/graphql/tslint.json

@@ -1,54 +0,0 @@
-{
-    "defaultSeverity": "error",
-    "extends": [
-        "tslint:recommended"
-    ],
-    "jsRules": {
-        "no-unused-expression": true
-    },
-    "rules": {
-        "eofline": false,
-        "quotemark": [
-            true,
-            "single"
-        ],
-        "indent": false,
-        "ordered-imports": [
-            false
-        ],
-        "max-line-length": [
-            150
-        ],
-        "member-ordering": [
-            false
-        ],
-        "curly": false,
-        "interface-name": [
-            false
-        ],
-        "array-type": [
-            false
-        ],
-        "member-access": [
-            false
-        ],
-        "no-empty-interface": false,
-        "no-empty": false,
-        "arrow-parens": false,
-        "object-literal-sort-keys": false,
-        "no-unused-expression": false,
-        "max-classes-per-file": [
-            false
-        ],
-        "variable-name": [
-            false
-        ],
-        "one-line": [
-            false
-        ],
-        "one-variable-per-declaration": [
-            false
-        ]
-    },
-    "rulesDirectory": []
-}

integration/hello-world/e2e/exceptions.spec.ts

@@ -18,25 +18,19 @@ describe('Error messages', () => {
   });
 
   it(`/GET`, () => {
-    return request(server)
-      .get('/sync')
-      .expect(HttpStatus.BAD_REQUEST)
-      .expect({
-        statusCode: 400,
-        error: 'Bad Request',
-        message: 'Integration test',
-      });
+    return request(server).get('/sync').expect(HttpStatus.BAD_REQUEST).expect({
+      statusCode: 400,
+      error: 'Bad Request',
+      message: 'Integration test',
+    });
   });
 
   it(`/GET (Promise/async)`, () => {
-    return request(server)
-      .get('/async')
-      .expect(HttpStatus.BAD_REQUEST)
-      .expect({
-        statusCode: 400,
-        error: 'Bad Request',
-        message: 'Integration test',
-      });
+    return request(server).get('/async').expect(HttpStatus.BAD_REQUEST).expect({
+      statusCode: 400,
+      error: 'Bad Request',
+      message: 'Integration test',
+    });
   });
 
   afterEach(async () => {

integration/hello-world/e2e/exclude-middleware-fastify.spec.ts

@@ -0,0 +1,121 @@
+import {
+  Controller,
+  Get,
+  INestApplication,
+  MiddlewareConsumer,
+  Module,
+  Post,
+  RequestMethod,
+} from '@nestjs/common';
+import {
+  FastifyAdapter,
+  NestFastifyApplication,
+} from '@nestjs/platform-fastify';
+import { Test } from '@nestjs/testing';
+import * as request from 'supertest';
+import { ApplicationModule } from '../src/app.module';
+
+const RETURN_VALUE = 'test';
+const MIDDLEWARE_VALUE = 'middleware';
+
+@Controller()
+class TestController {
+  @Get('test')
+  test() {
+    return RETURN_VALUE;
+  }
+
+  @Get('test2')
+  test2() {
+    return RETURN_VALUE;
+  }
+
+  @Get('middleware')
+  middleware() {
+    return RETURN_VALUE;
+  }
+
+  @Post('middleware')
+  noMiddleware() {
+    return RETURN_VALUE;
+  }
+
+  @Get('wildcard/overview')
+  testOverview() {
+    return RETURN_VALUE;
+  }
+
+  @Get('overview/:id')
+  overviewById() {
+    return RETURN_VALUE;
+  }
+}
+
+@Module({
+  imports: [ApplicationModule],
+  controllers: [TestController],
+})
+class TestModule {
+  configure(consumer: MiddlewareConsumer) {
+    consumer
+      .apply((req, res, next) => res.end(MIDDLEWARE_VALUE))
+      .exclude('test', 'overview/:id', 'wildcard/(.*)', {
+        path: 'middleware',
+        method: RequestMethod.POST,
+      })
+      .forRoutes('*');
+  }
+}
+
+describe('Exclude middleware (fastify)', () => {
+  let app: INestApplication;
+
+  beforeEach(async () => {
+    app = (
+      await Test.createTestingModule({
+        imports: [TestModule],
+      }).compile()
+    ).createNestApplication<NestFastifyApplication>(new FastifyAdapter());
+
+    await app.init();
+    await app.getHttpAdapter().getInstance().ready();
+  });
+
+  it(`should exclude "/test" endpoint`, () => {
+    return request(app.getHttpServer()).get('/test').expect(200, RETURN_VALUE);
+  });
+
+  it(`should not exclude "/test2" endpoint`, () => {
+    return request(app.getHttpServer())
+      .get('/test2')
+      .expect(200, MIDDLEWARE_VALUE);
+  });
+
+  it(`should run middleware for "/middleware" endpoint`, () => {
+    return request(app.getHttpServer())
+      .get('/middleware')
+      .expect(200, MIDDLEWARE_VALUE);
+  });
+
+  it(`should exclude POST "/middleware" endpoint`, () => {
+    return request(app.getHttpServer())
+      .post('/middleware')
+      .expect(201, RETURN_VALUE);
+  });
+
+  it(`should exclude "/overview/:id" endpoint (by param)`, () => {
+    return request(app.getHttpServer())
+      .get('/overview/1')
+      .expect(200, RETURN_VALUE);
+  });
+
+  it(`should exclude "/wildcard/overview" endpoint (by wildcard)`, () => {
+    return request(app.getHttpServer())
+      .get('/wildcard/overview')
+      .expect(200, RETURN_VALUE);
+  });
+
+  afterEach(async () => {
+    await app.close();
+  });
+});

integration/hello-world/e2e/exclude-middleware.spec.ts

@@ -0,0 +1,116 @@
+import {
+  Controller,
+  Get,
+  INestApplication,
+  MiddlewareConsumer,
+  Module,
+  Post,
+  RequestMethod,
+} from '@nestjs/common';
+import { Test } from '@nestjs/testing';
+import * as request from 'supertest';
+import { ApplicationModule } from '../src/app.module';
+
+const RETURN_VALUE = 'test';
+const MIDDLEWARE_VALUE = 'middleware';
+
+@Controller()
+class TestController {
+  @Get('test')
+  test() {
+    return RETURN_VALUE;
+  }
+
+  @Get('test2')
+  test2() {
+    return RETURN_VALUE;
+  }
+
+  @Get('middleware')
+  middleware() {
+    return RETURN_VALUE;
+  }
+
+  @Post('middleware')
+  noMiddleware() {
+    return RETURN_VALUE;
+  }
+
+  @Get('wildcard/overview')
+  testOverview() {
+    return RETURN_VALUE;
+  }
+
+  @Get('overview/:id')
+  overviewById() {
+    return RETURN_VALUE;
+  }
+}
+
+@Module({
+  imports: [ApplicationModule],
+  controllers: [TestController],
+})
+class TestModule {
+  configure(consumer: MiddlewareConsumer) {
+    consumer
+      .apply((req, res, next) => res.send(MIDDLEWARE_VALUE))
+      .exclude('test', 'overview/:id', 'wildcard/(.*)', {
+        path: 'middleware',
+        method: RequestMethod.POST,
+      })
+      .forRoutes('*');
+  }
+}
+
+describe('Exclude middleware', () => {
+  let app: INestApplication;
+
+  beforeEach(async () => {
+    app = (
+      await Test.createTestingModule({
+        imports: [TestModule],
+      }).compile()
+    ).createNestApplication();
+
+    await app.init();
+  });
+
+  it(`should exclude "/test" endpoint`, () => {
+    return request(app.getHttpServer()).get('/test').expect(200, RETURN_VALUE);
+  });
+
+  it(`should not exclude "/test2" endpoint`, () => {
+    return request(app.getHttpServer())
+      .get('/test2')
+      .expect(200, MIDDLEWARE_VALUE);
+  });
+
+  it(`should run middleware for "/middleware" endpoint`, () => {
+    return request(app.getHttpServer())
+      .get('/middleware')
+      .expect(200, MIDDLEWARE_VALUE);
+  });
+
+  it(`should exclude POST "/middleware" endpoint`, () => {
+    return request(app.getHttpServer())
+      .post('/middleware')
+      .expect(201, RETURN_VALUE);
+  });
+
+  it(`should exclude "/overview/:id" endpoint (by param)`, () => {
+    return request(app.getHttpServer())
+      .get('/overview/1')
+      .expect(200, RETURN_VALUE);
+  });
+
+  it(`should exclude "/wildcard/overview" endpoint (by wildcard)`, () => {
+    return request(app.getHttpServer())
+      .get('/wildcard/overview')
+      .expect(200, RETURN_VALUE);
+  });
+
+  afterEach(async () => {
+    await app.close();
+  });
+});

integration/hello-world/e2e/express-instance.spec.ts

@@ -20,10 +20,7 @@ describe('Hello world (express instance)', () => {
   });
 
   it(`/GET`, () => {
-    return request(server)
-      .get('/hello')
-      .expect(200)
-      .expect('Hello world!');
+    return request(server).get('/hello').expect(200).expect('Hello world!');
   });
 
   it(`/GET (Promise/async)`, () => {
@@ -40,6 +37,14 @@ describe('Hello world (express instance)', () => {
       .expect('Hello world!');
   });
 
+  it(`/GET { host: ":tenant.example.com" } not matched`, () => {
+    return request(server).get('/host').expect(404).expect({
+      statusCode: 404,
+      error: 'Not Found',
+      message: 'Cannot GET /host',
+    });
+  });
+
   afterEach(async () => {
     await app.close();
   });

integration/hello-world/e2e/express-multiple.spec.ts

@@ -0,0 +1,73 @@
+import { INestApplication } from '@nestjs/common';
+import { ExpressAdapter } from '@nestjs/platform-express';
+import { Test } from '@nestjs/testing';
+import * as express from 'express';
+import * as request from 'supertest';
+import { ApplicationModule } from '../src/app.module';
+
+describe('Hello world (express instance with multiple applications)', () => {
+  let server;
+  let apps: INestApplication[];
+
+  beforeEach(async () => {
+    const module1 = await Test.createTestingModule({
+      imports: [ApplicationModule],
+    }).compile();
+    const module2 = await Test.createTestingModule({
+      imports: [ApplicationModule],
+    }).compile();
+
+    const adapter = new ExpressAdapter(express());
+
+    apps = [
+      module1.createNestApplication(adapter),
+      module2.createNestApplication(adapter).setGlobalPrefix('/app2'),
+    ];
+    await Promise.all(apps.map(app => app.init()));
+
+    server = adapter.getInstance();
+  });
+
+  it(`/GET`, () => {
+    return request(server).get('/hello').expect(200).expect('Hello world!');
+  });
+
+  it(`/GET (app2)`, () => {
+    return request(server)
+      .get('/app2/hello')
+      .expect(200)
+      .expect('Hello world!');
+  });
+
+  it(`/GET (Promise/async)`, () => {
+    return request(server)
+      .get('/hello/async')
+      .expect(200)
+      .expect('Hello world!');
+  });
+
+  it(`/GET (app2 Promise/async)`, () => {
+    return request(server)
+      .get('/app2/hello/async')
+      .expect(200)
+      .expect('Hello world!');
+  });
+
+  it(`/GET (Observable stream)`, () => {
+    return request(server)
+      .get('/hello/stream')
+      .expect(200)
+      .expect('Hello world!');
+  });
+
+  it(`/GET (app2 Observable stream)`, () => {
+    return request(server)
+      .get('/app2/hello/stream')
+      .expect(200)
+      .expect('Hello world!');
+  });
+
+  afterEach(async () => {
+    await Promise.all(apps.map(app => app.close()));
+  });
+});

integration/hello-world/e2e/fastify-adapter.spec.ts

@@ -3,6 +3,7 @@ import {
   NestFastifyApplication,
 } from '@nestjs/platform-fastify';
 import { Test } from '@nestjs/testing';
+import { fail } from 'assert';
 import { expect } from 'chai';
 import { ApplicationModule } from '../src/app.module';
 
@@ -47,6 +48,27 @@ describe('Hello world (fastify adapter)', () => {
       .then(({ payload }) => expect(payload).to.be.eql('Hello world!'));
   });
 
+  it(`/GET { host: ":tenant.example.com" } not matched`, () => {
+    return app
+      .inject({
+        method: 'GET',
+        url: '/host',
+      })
+      .then(
+        ({ payload }) => {
+          fail(`Unexpected success: ${payload}`);
+        },
+        err => {
+          expect(err.getResponse()).to.be.eql({
+            error: 'Internal Server Error',
+            message:
+              'HTTP adapter does not support filtering on host: ":tenant.example.com"',
+            statusCode: 500,
+          });
+        },
+      );
+  });
+
   afterEach(async () => {
     await app.close();
   });

integration/hello-world/e2e/fastify-multiple.spec.ts

@@ -0,0 +1,91 @@
+/* Temporarily disabled due to various regressions
+
+import { FastifyAdapter, NestFastifyApplication } from '@nestjs/platform-fastify';
+import { Test } from '@nestjs/testing';
+import { expect } from 'chai';
+import { ApplicationModule } from '../src/app.module';
+
+describe('Hello world (fastify adapter with multiple applications)', () => {
+  let adapter: FastifyAdapter;
+  let apps: NestFastifyApplication[];
+
+  beforeEach(async () => {
+    const module1 = await Test.createTestingModule({
+      imports: [ApplicationModule],
+    }).compile();
+    const module2 = await Test.createTestingModule({
+      imports: [ApplicationModule],
+    }).compile();
+
+    adapter = new FastifyAdapter();
+
+    apps = [
+      module1.createNestApplication<NestFastifyApplication>(adapter),
+      module2
+        .createNestApplication<NestFastifyApplication>(adapter, {
+          bodyParser: false,
+        })
+        .setGlobalPrefix('/app2'),
+    ];
+    await Promise.all(apps.map(app => app.init()));
+  });
+
+  it(`/GET`, () => {
+    return adapter
+      .inject({
+        method: 'GET',
+        url: '/hello',
+      })
+      .then(({ payload }) => expect(payload).to.be.eql('Hello world!'));
+  });
+
+  it(`/GET (app2)`, () => {
+    return adapter
+      .inject({
+        method: 'GET',
+        url: '/app2/hello',
+      })
+      .then(({ payload }) => expect(payload).to.be.eql('Hello world!'));
+  });
+
+  it(`/GET (Promise/async)`, () => {
+    return adapter
+      .inject({
+        method: 'GET',
+        url: '/hello/async',
+      })
+      .then(({ payload }) => expect(payload).to.be.eql('Hello world!'));
+  });
+
+  it(`/GET (app2 Promise/async)`, () => {
+    return adapter
+      .inject({
+        method: 'GET',
+        url: '/app2/hello/async',
+      })
+      .then(({ payload }) => expect(payload).to.be.eql('Hello world!'));
+  });
+
+  it(`/GET (Observable stream)`, () => {
+    return adapter
+      .inject({
+        method: 'GET',
+        url: '/hello/stream',
+      })
+      .then(({ payload }) => expect(payload).to.be.eql('Hello world!'));
+  });
+
+  it(`/GET (app2 Observable stream)`, () => {
+    return adapter
+      .inject({
+        method: 'GET',
+        url: '/app2/hello/stream',
+      })
+      .then(({ payload }) => expect(payload).to.be.eql('Hello world!'));
+  });
+
+  afterEach(async () => {
+    await Promise.all(apps.map(app => app.close()));
+    await adapter.close();
+  });
+});*/

integration/hello-world/e2e/guards.spec.ts

@@ -1,8 +1,12 @@
-import * as request from 'supertest';
-import { Test } from '@nestjs/testing';
-import { INestApplication, Injectable, UnauthorizedException } from '@nestjs/common';
-import { ApplicationModule } from '../src/app.module';
+import {
+  INestApplication,
+  Injectable,
+  UnauthorizedException,
+} from '@nestjs/common';
 import { APP_GUARD } from '@nestjs/core';
+import { Test } from '@nestjs/testing';
+import * as request from 'supertest';
+import { ApplicationModule } from '../src/app.module';
 
 @Injectable()
 export class AuthGuard {
@@ -30,13 +34,9 @@ describe('Guards', () => {
   let app: INestApplication;
 
   it(`should prevent access (unauthorized)`, async () => {
-    app = (await createTestModule(
-      new AuthGuard(),
-    )).createNestApplication();
-  
+    app = (await createTestModule(new AuthGuard())).createNestApplication();
+
     await app.init();
-    return request(app.getHttpServer())
-      .get('/hello')
-      .expect(401);
+    return request(app.getHttpServer()).get('/hello').expect(401);
   });
 });

integration/hello-world/e2e/hello-world.spec.ts

@@ -10,42 +10,60 @@ describe('Hello world (default adapter)', () => {
   beforeEach(async () => {
     const module = await Test.createTestingModule({
       imports: [ApplicationModule],
-    })
-      .compile();
+    }).compile();
 
     app = module.createNestApplication();
     server = app.getHttpServer();
     await app.init();
   });
 
-  describe('/GET', () => {
-    it(`should return "Hello world!"`, () => {
-      return request(server)
-        .get('/hello')
-        .expect(200)
-        .expect('Hello world!');
+  [
+    {
+      host: 'example.com',
+      path: '/hello',
+      greeting: 'Hello world!',
+    },
+    {
+      host: 'acme.example.com',
+      path: '/host',
+      greeting: 'Host Greeting! tenant=acme',
+    },
+  ].forEach(({ host, path, greeting }) => {
+    describe(`host=${host}`, () => {
+      describe('/GET', () => {
+        it(`should return "${greeting}"`, () => {
+          return request(server)
+            .get(path)
+            .set('Host', host)
+            .expect(200)
+            .expect(greeting);
+        });
+
+        it(`should attach response header`, () => {
+          return request(server)
+            .get(path)
+            .set('Host', host)
+            .expect(200)
+            .expect('Authorization', 'Bearer');
+        });
+      });
+
+      it(`/GET (Promise/async) returns "${greeting}"`, () => {
+        return request(server)
+          .get(`${path}/async`)
+          .set('Host', host)
+          .expect(200)
+          .expect(greeting);
+      });
+
+      it(`/GET (Observable stream) "${greeting}"`, () => {
+        return request(server)
+          .get(`${path}/stream`)
+          .set('Host', host)
+          .expect(200)
+          .expect(greeting);
+      });
     });
-
-    it(`should attach response header`, () => {
-      return request(server)
-        .get('/hello')
-        .expect(200)
-        .expect('Authorization', 'Bearer');
-    });
-  });
-
-  it(`/GET (Promise/async)`, () => {
-    return request(server)
-      .get('/hello/async')
-      .expect(200)
-      .expect('Hello world!');
-  });
-
-  it(`/GET (Observable stream)`, () => {
-    return request(server)
-      .get('/hello/stream')
-      .expect(200)
-      .expect('Hello world!');
   });
 
   afterEach(async () => {

integration/hello-world/e2e/interceptors.spec.ts

@@ -30,7 +30,7 @@ export class TransformInterceptor {
 
 @Injectable()
 export class StatusInterceptor {
-  constructor(private statusCode: number) {}
+  constructor(private readonly statusCode: number) {}
 
   intercept(context: ExecutionContext, next: CallHandler) {
     const ctx = context.switchToHttp();
@@ -42,7 +42,7 @@ export class StatusInterceptor {
 
 @Injectable()
 export class HeaderInterceptor {
-  constructor(private headers: object) {}
+  constructor(private readonly headers: object) {}
 
   intercept(context: ExecutionContext, next: CallHandler) {
     const ctx = context.switchToHttp();
@@ -72,20 +72,18 @@ describe('Interceptors', () => {
   let app: INestApplication;
 
   it(`should transform response (sync)`, async () => {
-    app = (await createTestModule(
-      new OverrideInterceptor(),
-    )).createNestApplication();
+    app = (
+      await createTestModule(new OverrideInterceptor())
+    ).createNestApplication();
 
     await app.init();
-    return request(app.getHttpServer())
-      .get('/hello')
-      .expect(200, RETURN_VALUE);
+    return request(app.getHttpServer()).get('/hello').expect(200, RETURN_VALUE);
   });
 
   it(`should map response`, async () => {
-    app = (await createTestModule(
-      new TransformInterceptor(),
-    )).createNestApplication();
+    app = (
+      await createTestModule(new TransformInterceptor())
+    ).createNestApplication();
 
     await app.init();
     return request(app.getHttpServer())
@@ -94,9 +92,9 @@ describe('Interceptors', () => {
   });
 
   it(`should map response (async)`, async () => {
-    app = (await createTestModule(
-      new TransformInterceptor(),
-    )).createNestApplication();
+    app = (
+      await createTestModule(new TransformInterceptor())
+    ).createNestApplication();
 
     await app.init();
     return request(app.getHttpServer())
@@ -105,9 +103,9 @@ describe('Interceptors', () => {
   });
 
   it(`should map response (stream)`, async () => {
-    app = (await createTestModule(
-      new TransformInterceptor(),
-    )).createNestApplication();
+    app = (
+      await createTestModule(new TransformInterceptor())
+    ).createNestApplication();
 
     await app.init();
     return request(app.getHttpServer())
@@ -116,9 +114,9 @@ describe('Interceptors', () => {
   });
 
   it(`should modify response status`, async () => {
-    app = (await createTestModule(
-      new StatusInterceptor(400),
-    )).createNestApplication();
+    app = (
+      await createTestModule(new StatusInterceptor(400))
+    ).createNestApplication();
 
     await app.init();
     return request(app.getHttpServer())
@@ -131,9 +129,9 @@ describe('Interceptors', () => {
       Authorization: 'jwt',
     };
 
-    app = (await createTestModule(
-      new HeaderInterceptor(customHeaders),
-    )).createNestApplication();
+    app = (
+      await createTestModule(new HeaderInterceptor(customHeaders))
+    ).createNestApplication();
 
     await app.init();
     return request(app.getHttpServer())

integration/hello-world/e2e/local-pipes.spec.ts

@@ -1,6 +1,6 @@
-import * as request from 'supertest';
-import { Test } from '@nestjs/testing';
 import { INestApplication } from '@nestjs/common';
+import { Test } from '@nestjs/testing';
+import * as request from 'supertest';
 import { ApplicationModule } from '../src/app.module';
 
 describe('Hello world (default adapter)', () => {
@@ -10,23 +10,39 @@ describe('Hello world (default adapter)', () => {
   beforeEach(async () => {
     const module = await Test.createTestingModule({
       imports: [ApplicationModule],
-    })
-      .compile();
+    }).compile();
 
     app = module.createNestApplication();
     server = app.getHttpServer();
     await app.init();
   });
 
-  it(`should execute locally injected pipe`, () => {
+  it(`host=example.com should execute locally injected pipe by HelloController`, () => {
+    return request(server).get('/hello/local-pipe/1').expect(200).expect({
+      id: '1',
+    });
+  });
+
+  it(`host=host.example.com should execute locally injected pipe by HostController`, () => {
     return request(server)
-      .get('/hello/local-pipe/1')
+      .get('/host/local-pipe/1')
+      .set('Host', 'acme.example.com')
       .expect(200)
       .expect({
         id: '1',
+        host: true,
+        tenant: 'acme',
       });
   });
 
+  it(`should return 404 for mismatched host`, () => {
+    return request(server).get('/host/local-pipe/1').expect(404).expect({
+      error: 'Not Found',
+      message: 'Cannot GET /host/local-pipe/1',
+      statusCode: 404,
+    });
+  });
+
   afterEach(async () => {
     await app.close();
   });

integration/hello-world/e2e/middleware-class.spec.ts

@@ -41,17 +41,17 @@ describe('Middleware (class)', () => {
   let app: INestApplication;
 
   beforeEach(async () => {
-    app = (await Test.createTestingModule({
-      imports: [TestModule],
-    }).compile()).createNestApplication();
+    app = (
+      await Test.createTestingModule({
+        imports: [TestModule],
+      }).compile()
+    ).createNestApplication();
 
     await app.init();
   });
 
   it(`forRoutes(*)`, () => {
-    return request(app.getHttpServer())
-      .get('/hello')
-      .expect(200, RETURN_VALUE);
+    return request(app.getHttpServer()).get('/hello').expect(200, RETURN_VALUE);
   });
 
   afterEach(async () => {

integration/hello-world/e2e/middleware-execute-order.spec.ts

@@ -0,0 +1,61 @@
+import { INestApplication, MiddlewareConsumer, Module } from '@nestjs/common';
+import { Test } from '@nestjs/testing';
+import * as request from 'supertest';
+
+const RETURN_VALUE_A = 'test_A';
+const RETURN_VALUE_B = 'test_B';
+
+@Module({
+  imports: [],
+})
+class ModuleA {
+  configure(consumer: MiddlewareConsumer) {
+    consumer
+      .apply((req, res, next) => {
+        res.send(RETURN_VALUE_A);
+      })
+      .forRoutes('hello');
+  }
+}
+
+@Module({
+  imports: [ModuleA],
+})
+class ModuleB {
+  configure(consumer: MiddlewareConsumer) {
+    consumer
+      .apply((req, res, next) => {
+        res.send(RETURN_VALUE_B);
+      })
+      .forRoutes('hello');
+  }
+}
+
+@Module({
+  imports: [ModuleB],
+})
+class TestModule {}
+
+describe('Middleware (execution order)', () => {
+  let app: INestApplication;
+
+  beforeEach(async () => {
+    app = (
+      await Test.createTestingModule({
+        imports: [TestModule],
+      }).compile()
+    ).createNestApplication();
+
+    await app.init();
+  });
+
+  it(`should execute middleware in topological order`, () => {
+    return request(app.getHttpServer())
+      .get('/hello')
+      .expect(200, RETURN_VALUE_B);
+  });
+
+  afterEach(async () => {
+    await app.close();
+  });
+});

integration/hello-world/e2e/middleware-fastify.spec.ts

@@ -9,12 +9,19 @@ import { ApplicationModule } from '../src/app.module';
 
 const RETURN_VALUE = 'test';
 const SCOPED_VALUE = 'test_scoped';
+const WILDCARD_VALUE = 'test_wildcard';
 
 @Controller()
 class TestController {
   @Get('test')
   test() {
-    return '';
+    return RETURN_VALUE;
+  }
+
+  @Get('tests/wildcard_nested')
+  // eslint-disable-next-line @typescript-eslint/camelcase
+  wildcard_nested() {
+    return RETURN_VALUE;
   }
 }
 
@@ -25,10 +32,12 @@ class TestController {
 class TestModule {
   configure(consumer: MiddlewareConsumer) {
     consumer
+      .apply((req, res, next) => res.end(WILDCARD_VALUE))
+      .forRoutes('tests/(.*)')
       .apply((req, res, next) => res.end(SCOPED_VALUE))
       .forRoutes(TestController)
       .apply((req, res, next) => res.end(RETURN_VALUE))
-      .forRoutes('*');
+      .forRoutes('(.*)');
   }
 }
 
@@ -36,11 +45,11 @@ describe('Middleware (FastifyAdapter)', () => {
   let app: NestFastifyApplication;
 
   beforeEach(async () => {
-    app = (await Test.createTestingModule({
-      imports: [TestModule],
-    }).compile()).createNestApplication<NestFastifyApplication>(
-      new FastifyAdapter(),
-    );
+    app = (
+      await Test.createTestingModule({
+        imports: [TestModule],
+      }).compile()
+    ).createNestApplication<NestFastifyApplication>(new FastifyAdapter());
 
     await app.init();
   });
@@ -63,6 +72,15 @@ describe('Middleware (FastifyAdapter)', () => {
       .then(({ payload }) => expect(payload).to.be.eql(SCOPED_VALUE));
   });
 
+  it(`forRoutes(tests/*)`, () => {
+    return app
+      .inject({
+        method: 'GET',
+        url: '/tests/wildcard',
+      })
+      .then(({ payload }) => expect(payload).to.be.eql(WILDCARD_VALUE));
+  });
+
   afterEach(async () => {
     await app.close();
   });

integration/hello-world/e2e/middleware.spec.ts

@@ -21,6 +21,7 @@ class TestController {
   }
 
   @Get('tests/wildcard_nested')
+  // eslint-disable-next-line @typescript-eslint/camelcase
   wildcard_nested() {
     return RETURN_VALUE;
   }
@@ -46,23 +47,21 @@ describe('Middleware', () => {
   let app: INestApplication;
 
   beforeEach(async () => {
-    app = (await Test.createTestingModule({
-      imports: [TestModule],
-    }).compile()).createNestApplication();
+    app = (
+      await Test.createTestingModule({
+        imports: [TestModule],
+      }).compile()
+    ).createNestApplication();
 
     await app.init();
   });
 
   it(`forRoutes(*)`, () => {
-    return request(app.getHttpServer())
-      .get('/hello')
-      .expect(200, RETURN_VALUE);
+    return request(app.getHttpServer()).get('/hello').expect(200, RETURN_VALUE);
   });
 
   it(`forRoutes(TestController)`, () => {
-    return request(app.getHttpServer())
-      .get('/test')
-      .expect(200, SCOPED_VALUE);
+    return request(app.getHttpServer()).get('/test').expect(200, SCOPED_VALUE);
   });
 
   it(`forRoutes(tests/*)`, () => {

integration/hello-world/package-lock.json

@@ -1,873 +0,0 @@
-{
-  "name": "nest-typescript-starter",
-  "version": "1.0.0",
-  "lockfileVersion": 1,
-  "requires": true,
-  "dependencies": {
-    "@nestjs/common": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/common/-/common-6.5.2.tgz",
-      "integrity": "sha512-vkB6JLPPckjS35usLMV3Q6vljkgzhN3jgQ+U1VY6cKriyjnkIcUKo37tNQSPYkaAGe1pOLK4IkmwMTSyhNieyg==",
-      "requires": {
-        "axios": "0.19.0",
-        "cli-color": "1.4.0",
-        "uuid": "3.3.2"
-      }
-    },
-    "@nestjs/core": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-6.5.2.tgz",
-      "integrity": "sha512-LTRCl4oaFP43DcPHbvVO0sH72M+N0uGwnqc0UxhJ7ovJMX6xhahSot1QTkBb56V2AIfmzaRbGpuA4qhIgBXj6A==",
-      "requires": {
-        "@nuxtjs/opencollective": "0.2.2",
-        "fast-safe-stringify": "2.0.6",
-        "iterare": "1.2.0",
-        "object-hash": "1.3.1",
-        "optional": "0.1.4",
-        "uuid": "3.3.2"
-      }
-    },
-    "@nestjs/microservices": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/microservices/-/microservices-6.5.2.tgz",
-      "integrity": "sha512-edKXp11ma0kAUhXlkDmQ3ytHSKMbZQCyhVFRAOUdDQBhtTRXr7j9UNbMR+xBZq7KdiW09kNHFmYRACTrUsnItQ==",
-      "requires": {
-        "iterare": "1.2.0",
-        "json-socket": "0.3.0",
-        "optional": "0.1.4"
-      }
-    },
-    "@nestjs/testing": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/testing/-/testing-6.5.2.tgz",
-      "integrity": "sha512-wyob7CkuCdq+NBhq78JyX5Llk4tQv2fS1jcVqhvHp96zc9RxemOMvN1GUHTXo4SNVxE+hlUV1smvcsPPsmlj8Q==",
-      "requires": {
-        "optional": "0.1.4"
-      }
-    },
-    "@nestjs/websockets": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-6.5.2.tgz",
-      "integrity": "sha512-VguS7Fy3AcZS8CzuvdOxOWW+9VecGJ/AwJWbG76d0iRCsqpJu+qAoPNpo9qruB1lQ0MXYHlwGgxaTcF8PzrliQ==",
-      "requires": {
-        "iterare": "1.2.0"
-      }
-    },
-    "@nuxtjs/opencollective": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/@nuxtjs/opencollective/-/opencollective-0.2.2.tgz",
-      "integrity": "sha512-69gFVDs7mJfNjv9Zs5DFVD+pvBW+k1TaHSOqUWqAyTTfLcKI/EMYQgvEvziRd+zAFtUOoye6MfWh0qvinGISPw==",
-      "requires": {
-        "chalk": "^2.4.1",
-        "consola": "^2.3.0",
-        "node-fetch": "^2.3.0"
-      }
-    },
-    "@types/node": {
-      "version": "7.10.7",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-7.10.7.tgz",
-      "integrity": "sha512-4I7+hXKyq7e1deuzX9udu0hPIYqSSkdKXtjow6fMnQ3OR9qkxIErGHbGY08YrfZJrCS1ajK8lOuzd0k3n2WM4A==",
-      "dev": true
-    },
-    "abstract-logging": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/abstract-logging/-/abstract-logging-1.0.0.tgz",
-      "integrity": "sha1-i33q/TEFWbwo93ck3RuzAXcnjBs="
-    },
-    "ajv": {
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-    },
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-      "resolved": "https://registry.npmjs.org/validator/-/validator-10.4.0.tgz",
-      "integrity": "sha512-Q/wBy3LB1uOyssgNlXSRmaf22NxjvDNZM2MtIQ4jaEOAB61xsh1TQxsq1CgzUMBV1lDrVMogIh8GjG1DYW0zLg=="
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-      "dev": true
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-}

integration/hello-world/package.json

@@ -1,27 +0,0 @@
-{
-  "name": "nest-typescript-starter",
-  "version": "1.0.0",
-  "description": "Nest TypeScript starter repository",
-  "license": "MIT",
-  "scripts": {
-    "start": "ts-node src/main"
-  },
-  "dependencies": {
-    "@nestjs/common": "6.5.2",
-    "@nestjs/core": "6.5.2",
-    "@nestjs/microservices": "6.5.2",
-    "@nestjs/testing": "6.5.2",
-    "@nestjs/websockets": "6.5.2",
-    "class-transformer": "0.2.3",
-    "class-validator": "0.9.1",
-    "fastify": "2.6.0",
-    "reflect-metadata": "0.1.13",
-    "rxjs": "6.5.2",
-    "typescript": "3.5.3"
-  },
-  "devDependencies": {
-    "@types/node": "7.10.7",
-    "supertest": "4.0.2",
-    "ts-node": "8.3.0"
-  }
-}

integration/hello-world/src/app.module.ts

@@ -1,7 +1,8 @@
 import { Module } from '@nestjs/common';
 import { HelloModule } from './hello/hello.module';
+import { HostModule } from './host/host.module';
 
 @Module({
-  imports: [HelloModule],
+  imports: [HelloModule, HostModule],
 })
 export class ApplicationModule {}

integration/hello-world/src/hello/hello.controller.ts

@@ -15,7 +15,7 @@ export class HelloController {
 
   @Get('async')
   async asyncGreeting(): Promise<string> {
-    return await this.helloService.greeting();
+    return this.helloService.greeting();
   }
 
   @Get('stream')

integration/hello-world/src/host/dto/test.dto.ts

@@ -0,0 +1,10 @@
+import { IsString, IsNotEmpty, IsNumber } from 'class-validator';
+
+export class TestDto {
+  @IsString()
+  @IsNotEmpty()
+  string: string;
+
+  @IsNumber()
+  number: number;
+}

integration/hello-world/src/host/host.controller.ts

@@ -0,0 +1,37 @@
+import { Controller, Get, Header, HostParam, Param } from '@nestjs/common';
+import { Observable, of } from 'rxjs';
+import { HostService } from './host.service';
+import { UserByIdPipe } from './users/user-by-id.pipe';
+
+@Controller({
+  path: 'host',
+  host: ':tenant.example.com',
+})
+export class HostController {
+  constructor(private readonly hostService: HostService) {}
+
+  @Get()
+  @Header('Authorization', 'Bearer')
+  greeting(@HostParam('tenant') tenant: string): string {
+    return `${this.hostService.greeting()} tenant=${tenant}`;
+  }
+
+  @Get('async')
+  async asyncGreeting(@HostParam('tenant') tenant: string): Promise<string> {
+    return `${await this.hostService.greeting()} tenant=${tenant}`;
+  }
+
+  @Get('stream')
+  streamGreeting(@HostParam('tenant') tenant: string): Observable<string> {
+    return of(`${this.hostService.greeting()} tenant=${tenant}`);
+  }
+
+  @Get('local-pipe/:id')
+  localPipe(
+    @Param('id', UserByIdPipe)
+    user: any,
+    @HostParam('tenant') tenant: string,
+  ): any {
+    return { ...user, tenant };
+  }
+}

integration/hello-world/src/host/host.module.ts

@@ -0,0 +1,10 @@
+import { Module } from '@nestjs/common';
+import { HostController } from './host.controller';
+import { HostService } from './host.service';
+import { UsersService } from './users/users.service';
+
+@Module({
+  controllers: [HostController],
+  providers: [HostService, UsersService],
+})
+export class HostModule {}

integration/hello-world/src/host/host.service.ts

@@ -0,0 +1,8 @@
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class HostService {
+  greeting(): string {
+    return 'Host Greeting!';
+  }
+}

integration/hello-world/src/host/users/user-by-id.pipe.ts

@@ -0,0 +1,11 @@
+import { PipeTransform, Injectable, ArgumentMetadata } from '@nestjs/common';
+import { UsersService } from './users.service';
+
+@Injectable()
+export class UserByIdPipe implements PipeTransform<string> {
+  constructor(private readonly usersService: UsersService) {}
+
+  transform(value: string, metadata: ArgumentMetadata) {
+    return this.usersService.findById(value);
+  }
+}

integration/hello-world/src/host/users/users.service.ts

@@ -0,0 +1,8 @@
+import { Injectable } from '@nestjs/common';
+
+@Injectable()
+export class UsersService {
+  findById(id: string) {
+    return { id, host: true };
+  }
+}

integration/hello-world/tslint.json

@@ -1,53 +0,0 @@
-{
-    "defaultSeverity": "error",
-    "extends": [
-        "tslint:recommended"
-    ],
-    "jsRules": {
-        "no-unused-expression": true
-    },
-    "rules": {
-        "eofline": false,
-        "quotemark": [
-            true,
-            "single"
-        ],
-        "ordered-imports": [
-            false
-        ],
-        "max-line-length": [
-            150
-        ],
-        "member-ordering": [
-            false
-        ],
-        "curly": false,
-        "interface-name": [
-            false
-        ],
-        "array-type": [
-            false
-        ],
-        "member-access": [
-            false
-        ],
-        "no-empty-interface": false,
-        "no-empty": false,
-        "arrow-parens": false,
-        "object-literal-sort-keys": false,
-        "no-unused-expression": false,
-        "max-classes-per-file": [
-            false
-        ],
-        "variable-name": [
-            false
-        ],
-        "one-line": [
-            false
-        ],
-        "one-variable-per-declaration": [
-            false
-        ]
-    },
-    "rulesDirectory": []
-}

integration/hooks/e2e/before-app-shutdown.spec.ts

@@ -0,0 +1,53 @@
+import { BeforeApplicationShutdown, Injectable } from '@nestjs/common';
+import { Test } from '@nestjs/testing';
+import { expect } from 'chai';
+import * as Sinon from 'sinon';
+
+@Injectable()
+class TestInjectable implements BeforeApplicationShutdown {
+  beforeApplicationShutdown = Sinon.spy();
+}
+
+describe('BeforeApplicationShutdown', () => {
+  it('should call `beforeApplicationShutdown` when application closes', async () => {
+    const module = await Test.createTestingModule({
+      providers: [TestInjectable],
+    }).compile();
+
+    const app = module.createNestApplication();
+    await app.close();
+    const instance = module.get(TestInjectable);
+    expect(instance.beforeApplicationShutdown.called).to.be.true;
+  });
+  /*
+  it('should not stop the server once beforeApplicationShutdown has been called', async () => {
+    let resolve;
+    const promise = new Promise(r => (resolve = r));
+    const module = await Test.createTestingModule({
+      providers: [
+        {
+          provide: 'Test',
+          useValue: {
+            beforeApplicationShutdown: () => promise,
+          },
+        },
+      ],
+    }).compile();
+    Sinon.stub(module, 'dispose' as any);
+    const app = module.createNestApplication();
+
+    app.close();
+
+    expect(((module as any).dispose as Sinon.SinonSpy).called, 'dispose').to.be
+      .false;
+
+    resolve();
+
+    setTimeout(
+      () =>
+        expect(((module as any).dispose as Sinon.SinonSpy).called, 'dispose').to
+          .be.true,
+      0,
+    );
+  });*/
+});

integration/hooks/e2e/enable-shutdown-hook.spec.ts

@@ -0,0 +1,54 @@
+import { expect } from 'chai';
+import { spawnSync } from 'child_process';
+import { join } from 'path';
+
+describe('enableShutdownHooks', () => {
+  it('should call the correct hooks if any shutdown signal gets invoked', done => {
+    const result = spawnSync('ts-node', [
+      join(__dirname, '../src/enable-shutdown-hooks-main.ts'),
+      'SIGHUP',
+    ]);
+    const calls = result.stdout
+      .toString()
+      .split('\n')
+      .map((call: string) => call.trim());
+    expect(calls[0]).to.equal('beforeApplicationShutdown SIGHUP');
+    expect(calls[1]).to.equal('onApplicationShutdown SIGHUP');
+    done();
+  }).timeout(5000);
+
+  it('should call the correct hooks if a specific shutdown signal gets invoked', done => {
+    const result = spawnSync('ts-node', [
+      join(__dirname, '../src/enable-shutdown-hooks-main.ts'),
+      'SIGINT',
+      'SIGINT',
+    ]);
+    const calls = result.stdout
+      .toString()
+      .split('\n')
+      .map((call: string) => call.trim());
+    expect(calls[0]).to.equal('beforeApplicationShutdown SIGINT');
+    expect(calls[1]).to.equal('onApplicationShutdown SIGINT');
+    done();
+  }).timeout(5000);
+
+  it('should ignore system signals which are not specified', done => {
+    const result = spawnSync('ts-node', [
+      join(__dirname, '../src/enable-shutdown-hooks-main.ts'),
+      'SIGINT',
+      'SIGHUP',
+    ]);
+    expect(result.stdout.toString().trim()).to.be.eq('');
+    done();
+  }).timeout(5000);
+
+  it('should ignore system signals if "enableShutdownHooks" was not called', done => {
+    const result = spawnSync('ts-node', [
+      join(__dirname, '../src/enable-shutdown-hooks-main.ts'),
+      'SIGINT',
+      'NONE',
+    ]);
+    expect(result.stdout.toString().trim()).to.be.eq('');
+    done();
+  }).timeout(5000);
+});

integration/hooks/e2e/lifecycle-hook-order.spec.ts

@@ -1,5 +1,4 @@
 import { Test } from '@nestjs/testing';
-import { expect } from 'chai';
 import * as Sinon from 'sinon';
 import {
   Injectable,
@@ -7,6 +6,7 @@ import {
   OnApplicationShutdown,
   OnModuleDestroy,
   OnModuleInit,
+  BeforeApplicationShutdown,
 } from '@nestjs/common';
 
 @Injectable()
@@ -15,8 +15,10 @@ class TestInjectable
     OnApplicationBootstrap,
     OnModuleInit,
     OnModuleDestroy,
-    OnApplicationShutdown {
+    OnApplicationShutdown,
+    BeforeApplicationShutdown {
   onApplicationBootstrap = Sinon.spy();
+  beforeApplicationShutdown = Sinon.spy();
   onApplicationShutdown = Sinon.spy();
   onModuleDestroy = Sinon.spy();
   onModuleInit = Sinon.spy();
@@ -37,6 +39,7 @@ describe('Lifecycle Hook Order', () => {
       instance.onModuleInit,
       instance.onApplicationBootstrap,
       instance.onModuleDestroy,
+      instance.beforeApplicationShutdown,
       instance.onApplicationShutdown,
     );
   });

integration/hooks/e2e/on-app-boostrap.spec.ts

@@ -19,4 +19,26 @@ describe('OnApplicationBootstrap', () => {
     const instance = module.get(TestInjectable);
     expect(instance.onApplicationBootstrap.called).to.be.true;
   });
+
+  it('should not throw an error when onApplicationBootstrap is null', async () => {
+    const module = await Test.createTestingModule({
+      providers: [
+        { provide: 'TEST', useValue: { onApplicationBootstrap: null } },
+      ],
+    }).compile();
+
+    const app = module.createNestApplication();
+    await app.init().then(obj => expect(obj).to.not.be.undefined);
+  });
+
+  it('should not throw an error when onApplicationBootstrap is undefined', async () => {
+    const module = await Test.createTestingModule({
+      providers: [
+        { provide: 'TEST', useValue: { onApplicationBootstrap: undefined } },
+      ],
+    }).compile();
+
+    const app = module.createNestApplication();
+    await app.init().then(obj => expect(obj).to.not.be.undefined);
+  });
 });

integration/hooks/e2e/on-app-shutdown.spec.ts

@@ -1,8 +1,6 @@
 import { Injectable, OnApplicationShutdown } from '@nestjs/common';
 import { Test } from '@nestjs/testing';
 import { expect } from 'chai';
-import { spawnSync } from 'child_process';
-import { join } from 'path';
 import * as Sinon from 'sinon';
 
 @Injectable()
@@ -21,43 +19,4 @@ describe('OnApplicationShutdown', () => {
     const instance = module.get(TestInjectable);
     expect(instance.onApplicationShutdown.called).to.be.true;
   });
-
-  it('should call onApplicationShutdown if any shutdown signal gets invoked', done => {
-    const result = spawnSync('ts-node', [
-      join(__dirname, '../src/main.ts'),
-      'SIGHUP',
-    ]);
-    expect(result.stdout.toString().trim() === 'Signal SIGHUP').to.be.true;
-    done();
-  }).timeout(5000);
-
-  it('should call onApplicationShutdown if a specific shutdown signal gets invoked', done => {
-    const result = spawnSync('ts-node', [
-      join(__dirname, '../src/main.ts'),
-      'SIGINT',
-      'SIGINT',
-    ]);
-    expect(result.stdout.toString().trim()).to.be.eq('Signal SIGINT');
-    done();
-  }).timeout(5000);
-
-  it('should ignore system signals which are not specified', done => {
-    const result = spawnSync('ts-node', [
-      join(__dirname, '../src/main.ts'),
-      'SIGINT',
-      'SIGHUP',
-    ]);
-    expect(result.stdout.toString().trim()).to.be.eq('');
-    done();
-  }).timeout(5000);
-
-  it('should ignore system signals if "enableShutdownHooks" was not called', done => {
-    const result = spawnSync('ts-node', [
-      join(__dirname, '../src/main.ts'),
-      'SIGINT',
-      'NONE',
-    ]);
-    expect(result.stdout.toString().trim()).to.be.eq('');
-    done();
-  }).timeout(5000);
 });

integration/hooks/e2e/on-module-destroy.spec.ts

@@ -1,7 +1,7 @@
+import { Injectable, OnModuleDestroy } from '@nestjs/common';
 import { Test } from '@nestjs/testing';
 import { expect } from 'chai';
 import * as Sinon from 'sinon';
-import { Injectable, OnModuleDestroy } from '@nestjs/common';
 
 @Injectable()
 class TestInjectable implements OnModuleDestroy {
@@ -19,4 +19,24 @@ describe('OnModuleDestroy', () => {
     const instance = module.get(TestInjectable);
     expect(instance.onModuleDestroy.called).to.be.true;
   });
+
+  it('should not throw an error when onModuleDestroy is null', async () => {
+    const module = await Test.createTestingModule({
+      providers: [{ provide: 'TEST', useValue: { onModuleDestroy: null } }],
+    }).compile();
+
+    const app = module.createNestApplication();
+    await app.init().then(obj => expect(obj).to.not.be.undefined);
+  });
+
+  it('should not throw an error when onModuleDestroy is undefined', async () => {
+    const module = await Test.createTestingModule({
+      providers: [
+        { provide: 'TEST', useValue: { onModuleDestroy: undefined } },
+      ],
+    }).compile();
+
+    const app = module.createNestApplication();
+    await app.init().then(obj => expect(obj).to.not.be.undefined);
+  });
 });

integration/hooks/e2e/on-module-init.spec.ts

@@ -19,4 +19,22 @@ describe('OnModuleInit', () => {
     const instance = module.get(TestInjectable);
     expect(instance.onModuleInit.called).to.be.true;
   });
+
+  it('should not throw an error when onModuleInit is null', async () => {
+    const module = await Test.createTestingModule({
+      providers: [{ provide: 'TEST', useValue: { onModuleInit: null } }],
+    }).compile();
+
+    const app = module.createNestApplication();
+    await app.init().then(obj => expect(obj).to.not.be.undefined);
+  });
+
+  it('should not throw an error when onModuleInit is undefined', async () => {
+    const module = await Test.createTestingModule({
+      providers: [{ provide: 'TEST', useValue: { onModuleInit: undefined } }],
+    }).compile();
+
+    const app = module.createNestApplication();
+    await app.init().then(obj => expect(obj).to.not.be.undefined);
+  });
 });

integration/hooks/package-lock.json

@@ -1,591 +0,0 @@
-{
-  "name": "nest-typescript-starter",
-  "version": "1.0.0",
-  "lockfileVersion": 1,
-  "requires": true,
-  "dependencies": {
-    "@nestjs/common": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/common/-/common-6.5.2.tgz",
-      "integrity": "sha512-vkB6JLPPckjS35usLMV3Q6vljkgzhN3jgQ+U1VY6cKriyjnkIcUKo37tNQSPYkaAGe1pOLK4IkmwMTSyhNieyg==",
-      "requires": {
-        "axios": "0.19.0",
-        "cli-color": "1.4.0",
-        "uuid": "3.3.2"
-      }
-    },
-    "@nestjs/core": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-6.5.2.tgz",
-      "integrity": "sha512-LTRCl4oaFP43DcPHbvVO0sH72M+N0uGwnqc0UxhJ7ovJMX6xhahSot1QTkBb56V2AIfmzaRbGpuA4qhIgBXj6A==",
-      "requires": {
-        "@nuxtjs/opencollective": "0.2.2",
-        "fast-safe-stringify": "2.0.6",
-        "iterare": "1.2.0",
-        "object-hash": "1.3.1",
-        "optional": "0.1.4",
-        "uuid": "3.3.2"
-      }
-    },
-    "@nuxtjs/opencollective": {
-      "version": "0.2.2",
-      "resolved": "https://registry.npmjs.org/@nuxtjs/opencollective/-/opencollective-0.2.2.tgz",
-      "integrity": "sha512-69gFVDs7mJfNjv9Zs5DFVD+pvBW+k1TaHSOqUWqAyTTfLcKI/EMYQgvEvziRd+zAFtUOoye6MfWh0qvinGISPw==",
-      "requires": {
-        "chalk": "^2.4.1",
-        "consola": "^2.3.0",
-        "node-fetch": "^2.3.0"
-      }
-    },
-    "@types/node": {
-      "version": "7.10.7",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-7.10.7.tgz",
-      "integrity": "sha512-4I7+hXKyq7e1deuzX9udu0hPIYqSSkdKXtjow6fMnQ3OR9qkxIErGHbGY08YrfZJrCS1ajK8lOuzd0k3n2WM4A==",
-      "dev": true
-    },
-    "ansi-regex": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
-    },
-    "ansi-styles": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
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-      "version": "4.1.0",
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-      "dev": true
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-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
-      "dev": true
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-    "axios": {
-      "version": "0.19.0",
-      "resolved": "https://registry.npmjs.org/axios/-/axios-0.19.0.tgz",
-      "integrity": "sha512-1uvKqKQta3KBxIz14F2v06AEHZ/dIoeKfbTRkK1E5oqjDnuEerLmYTgJB5AiQZHJcljpg1TuRzdjDR06qNk0DQ==",
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-        "validator": "10.4.0"
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-    "component-emitter": {
-      "version": "1.2.1",
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-      "integrity": "sha1-E3kY1teCg/ffemt8WmPhQOaUJeY=",
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-    },
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-      "integrity": "sha512-Q/wBy3LB1uOyssgNlXSRmaf22NxjvDNZM2MtIQ4jaEOAB61xsh1TQxsq1CgzUMBV1lDrVMogIh8GjG1DYW0zLg=="
-    },
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-      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.0.tgz",
-      "integrity": "sha512-kKfnnYkbTfrAdd0xICNFw7Atm8nKpLcLv9AZGEt+kczL/WQVai4e2V6ZN8U/O+iI6WrNuJjNNOyu4zfhl9D3Hg==",
-      "dev": true
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-}

integration/hooks/package.json

@@ -1,23 +0,0 @@
-{
-  "name": "nest-typescript-starter",
-  "version": "1.0.0",
-  "description": "Nest TypeScript starter repository",
-  "license": "MIT",
-  "scripts": {
-    "start": "ts-node src/main"
-  },
-  "dependencies": {
-    "@nestjs/common": "6.5.2",
-    "@nestjs/core": "6.5.2",
-    "class-transformer": "0.2.3",
-    "class-validator": "0.9.1",
-    "reflect-metadata": "0.1.13",
-    "rxjs": "6.5.2",
-    "typescript": "3.5.3"
-  },
-  "devDependencies": {
-    "@types/node": "7.10.7",
-    "supertest": "4.0.2",
-    "ts-node": "8.3.0"
-  }
-}

integration/hooks/src/enable-shutdown-hooks-main.ts

@@ -1,19 +1,29 @@
-import { Injectable, OnApplicationShutdown, Module } from '@nestjs/common';
+import {
+  BeforeApplicationShutdown,
+  Injectable,
+  Module,
+  OnApplicationShutdown,
+} from '@nestjs/common';
 import { NestFactory } from '@nestjs/core';
 const SIGNAL = process.argv[2];
 const SIGNAL_TO_LISTEN = process.argv[3];
 
 @Injectable()
-class TestInjectable implements OnApplicationShutdown {
+class TestInjectable
+  implements OnApplicationShutdown, BeforeApplicationShutdown {
+  beforeApplicationShutdown(signal: string) {
+    console.log('beforeApplicationShutdown ' + signal);
+  }
+
   onApplicationShutdown(signal: string) {
-    console.log('Signal ' + signal);
+    console.log('onApplicationShutdown ' + signal);
   }
 }
 
 @Module({
   providers: [TestInjectable],
 })
-class AppModule { }
+class AppModule {}
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule, { logger: true });

integration/hooks/tslint.json

@@ -1,53 +0,0 @@
-{
-    "defaultSeverity": "error",
-    "extends": [
-        "tslint:recommended"
-    ],
-    "jsRules": {
-        "no-unused-expression": true
-    },
-    "rules": {
-        "eofline": false,
-        "quotemark": [
-            true,
-            "single"
-        ],
-        "ordered-imports": [
-            false
-        ],
-        "max-line-length": [
-            150
-        ],
-        "member-ordering": [
-            false
-        ],
-        "curly": false,
-        "interface-name": [
-            false
-        ],
-        "array-type": [
-            false
-        ],
-        "member-access": [
-            false
-        ],
-        "no-empty-interface": false,
-        "no-empty": false,
-        "arrow-parens": false,
-        "object-literal-sort-keys": false,
-        "no-unused-expression": false,
-        "max-classes-per-file": [
-            false
-        ],
-        "variable-name": [
-            false
-        ],
-        "one-line": [
-            false
-        ],
-        "one-variable-per-declaration": [
-            false
-        ]
-    },
-    "rulesDirectory": []
-}

integration/injector/e2e/core-injectables.spec.ts

@@ -30,7 +30,9 @@ describe('Core Injectables', () => {
   });
 
   it('should provide the current Module as provider', () => {
-    const module = testingModule.get<CoreInjectablesModule>(CoreInjectablesModule);
+    const module = testingModule.get<CoreInjectablesModule>(
+      CoreInjectablesModule,
+    );
     expect(module).to.not.be.undefined;
     expect(module.constructor.name).to.be.eq('CoreInjectablesModule');
   });

integration/injector/e2e/property-injection.spec.ts

@@ -3,6 +3,7 @@ import { expect } from 'chai';
 import { DependencyService } from '../src/properties/dependency.service';
 import { PropertiesModule } from '../src/properties/properties.module';
 import { PropertiesService } from '../src/properties/properties.service';
+import { UnknownDependenciesException } from '@nestjs/core/errors/exceptions/unknown-dependencies.exception';
 
 describe('Injector', () => {
   it('should resolve property-based dependencies', async () => {
@@ -14,5 +15,30 @@ describe('Injector', () => {
 
     expect(app.get(PropertiesService).service).to.be.eql(dependency);
     expect(app.get(PropertiesService).token).to.be.true;
+    expect(app.get(PropertiesService).symbolToken).to.be.true;
+  });
+
+  it('should throw UnknownDependenciesException when dependency is not met', async () => {
+    let exception;
+
+    try {
+      const builder = Test.createTestingModule({
+        providers: [
+          DependencyService,
+          PropertiesService,
+          {
+            provide: 'token',
+            useValue: true,
+          },
+          // symbol token is missing here
+        ],
+      });
+      const app = await builder.compile();
+      app.get(DependencyService);
+    } catch (e) {
+      exception = e;
+    }
+
+    expect(exception).to.be.instanceOf(UnknownDependenciesException);
   });
 });

integration/injector/e2e/scoped-instances.spec.ts

@@ -0,0 +1,56 @@
+import { createContextId } from '@nestjs/core';
+import { InvalidClassScopeException } from '@nestjs/core/errors/exceptions/invalid-class-scope.exception';
+import { Test, TestingModule } from '@nestjs/testing';
+import { expect } from 'chai';
+import { ScopedController } from '../src/scoped/scoped.controller';
+import { ScopedModule } from '../src/scoped/scoped.module';
+import { ScopedService } from '../src/scoped/scoped.service';
+import { TransientService } from '../src/scoped/transient.service';
+
+describe('Scoped Instances', () => {
+  let testingModule: TestingModule;
+
+  beforeEach(async () => {
+    testingModule = await Test.createTestingModule({
+      imports: [ScopedModule],
+    }).compile();
+  });
+
+  it('should dynamically resolve transient provider', async () => {
+    const contextId = createContextId();
+    const transient1 = await testingModule.resolve(TransientService, contextId);
+    const transient2 = await testingModule.resolve(TransientService, contextId);
+
+    expect(transient1).to.be.instanceOf(TransientService);
+    expect(transient2).to.be.instanceOf(TransientService);
+    expect(transient1).to.be.equal(transient2);
+  });
+
+  it('should dynamically resolve request-scoped provider', async () => {
+    const request1 = await testingModule.resolve(ScopedService);
+    const request2 = await testingModule.resolve(ScopedService);
+    const request3 = await testingModule.resolve(ScopedService, { id: 1 });
+
+    expect(request1).to.be.instanceOf(ScopedService);
+    expect(request2).to.be.instanceOf(ScopedService);
+    expect(request3).to.not.be.equal(request2);
+  });
+
+  it('should dynamically resolve request-scoped controller', async () => {
+    const request1 = await testingModule.resolve(ScopedController);
+    const request2 = await testingModule.resolve(ScopedController);
+    const request3 = await testingModule.resolve(ScopedController, { id: 1 });
+
+    expect(request1).to.be.instanceOf(ScopedController);
+    expect(request2).to.be.instanceOf(ScopedController);
+    expect(request3).to.not.be.equal(request2);
+  });
+
+  it('should throw an exception when "get()" method is used', async () => {
+    try {
+      testingModule.get(ScopedController);
+    } catch (err) {
+      expect(err).to.be.instanceOf(InvalidClassScopeException);
+    }
+  });
+});

integration/injector/package-lock.json

@@ -1,622 +0,0 @@
-{
-  "name": "nest-typescript-starter",
-  "version": "1.0.0",
-  "lockfileVersion": 1,
-  "requires": true,
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-      "requires": {
-        "axios": "0.19.0",
-        "cli-color": "1.4.0",
-        "uuid": "3.3.2"
-      }
-    },
-    "@nestjs/core": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/core/-/core-6.5.2.tgz",
-      "integrity": "sha512-LTRCl4oaFP43DcPHbvVO0sH72M+N0uGwnqc0UxhJ7ovJMX6xhahSot1QTkBb56V2AIfmzaRbGpuA4qhIgBXj6A==",
-      "requires": {
-        "@nuxtjs/opencollective": "0.2.2",
-        "fast-safe-stringify": "2.0.6",
-        "iterare": "1.2.0",
-        "object-hash": "1.3.1",
-        "optional": "0.1.4",
-        "uuid": "3.3.2"
-      }
-    },
-    "@nestjs/microservices": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/microservices/-/microservices-6.5.2.tgz",
-      "integrity": "sha512-edKXp11ma0kAUhXlkDmQ3ytHSKMbZQCyhVFRAOUdDQBhtTRXr7j9UNbMR+xBZq7KdiW09kNHFmYRACTrUsnItQ==",
-      "requires": {
-        "iterare": "1.2.0",
-        "json-socket": "0.3.0",
-        "optional": "0.1.4"
-      }
-    },
-    "@nestjs/testing": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/testing/-/testing-6.5.2.tgz",
-      "integrity": "sha512-wyob7CkuCdq+NBhq78JyX5Llk4tQv2fS1jcVqhvHp96zc9RxemOMvN1GUHTXo4SNVxE+hlUV1smvcsPPsmlj8Q==",
-      "requires": {
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-      }
-    },
-    "@nestjs/websockets": {
-      "version": "6.5.2",
-      "resolved": "https://registry.npmjs.org/@nestjs/websockets/-/websockets-6.5.2.tgz",
-      "integrity": "sha512-VguS7Fy3AcZS8CzuvdOxOWW+9VecGJ/AwJWbG76d0iRCsqpJu+qAoPNpo9qruB1lQ0MXYHlwGgxaTcF8PzrliQ==",
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-      }
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-        "consola": "^2.3.0",
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