refactor(@nestjs) rename directories, add script, fix tests

sample/01-cats-app/e2e/cats/cats.e2e-spec.ts

@@ -0,0 +1,39 @@
+import * as express from 'express';
+import * as request from 'supertest';
+import { Test } from '@nestjs/testing';
+import { CatsModule } from '../../src/cats/cats.module';
+import { CatsService } from '../../src/cats/cats.service';
+import { INestApplication } from '@nestjs/common';
+
+describe('Cats', () => {
+  let server;
+  let app: INestApplication;
+
+  const catsService = { findAll: () => ['test'] };
+
+  beforeAll(async () => {
+    const module = await Test.createTestingModule({
+      imports: [CatsModule],
+    })
+      .overrideProvider(CatsService)
+      .useValue(catsService)
+      .compile();
+
+    server = express();
+    app = module.createNestApplication(server);
+    await app.init();
+  });
+
+  it(`/GET cats`, () => {
+    return request(server)
+      .get('/cats')
+      .expect(200)
+      .expect({
+        data: catsService.findAll(),
+      });
+  });
+
+  afterAll(async () => {
+    await app.close();
+  });
+});

sample/01-cats-app/e2e/jest-e2e.json

@@ -0,0 +1,14 @@
+{
+    "moduleFileExtensions": [
+        "ts",
+        "tsx",
+        "js",
+        "json"
+    ],
+    "transform": {
+        "^.+\\.tsx?$": "<rootDir>/../node_modules/ts-jest/preprocessor.js"
+    },
+    "testRegex": "/e2e/.*\\.(e2e-test|e2e-spec).(ts|tsx|js)$",
+    "collectCoverageFrom" : ["src/**/*.{js,jsx,tsx,ts}", "!**/node_modules/**", "!**/vendor/**"],
+    "coverageReporters": ["json", "lcov"]
+}