refactor(tests): add path to module mapper for jest tests

src/lib/application/application.factory.test.ts

@@ -21,6 +21,7 @@ describe('Application Factory', () => {
       '/project/.gitignore',
       '/project/.prettierrc',
       '/project/README.md',
+      '/project/jest.config.ts',
       '/project/nest-cli.json',
       '/project/package.json',
       '/project/tsconfig.build.json',
@@ -31,7 +32,7 @@ describe('Application Factory', () => {
       '/project/src/app.service.ts',
       '/project/src/main.ts',
       '/project/test/app.e2e-spec.ts',
-      '/project/test/jest-e2e.json',
+      '/project/test/jest-e2e.ts',
     ]);
   });
   it('should manage name to dasherize', async () => {
@@ -45,6 +46,7 @@ describe('Application Factory', () => {
       '/awesome-project/.gitignore',
       '/awesome-project/.prettierrc',
       '/awesome-project/README.md',
+      '/awesome-project/jest.config.ts',
       '/awesome-project/nest-cli.json',
       '/awesome-project/package.json',
       '/awesome-project/tsconfig.build.json',
@@ -55,7 +57,7 @@ describe('Application Factory', () => {
       '/awesome-project/src/app.service.ts',
       '/awesome-project/src/main.ts',
       '/awesome-project/test/app.e2e-spec.ts',
-      '/awesome-project/test/jest-e2e.json',
+      '/awesome-project/test/jest-e2e.ts',
     ]);
   });
   it('should manage javascript files', async () => {
@@ -96,6 +98,7 @@ describe('Application Factory', () => {
       '/scope-package/.gitignore',
       '/scope-package/.prettierrc',
       '/scope-package/README.md',
+      '/scope-package/jest.config.ts',
       '/scope-package/nest-cli.json',
       '/scope-package/package.json',
       '/scope-package/tsconfig.build.json',
@@ -106,7 +109,7 @@ describe('Application Factory', () => {
       '/scope-package/src/app.service.ts',
       '/scope-package/src/main.ts',
       '/scope-package/test/app.e2e-spec.ts',
-      '/scope-package/test/jest-e2e.json',
+      '/scope-package/test/jest-e2e.ts',
     ]);
   });
 });

src/lib/application/files/ts/jest.config.ts

@@ -0,0 +1,23 @@
+import type { Config } from '@jest/types';
+import { pathsToModuleNameMapper } from 'ts-jest/utils';
+import { compilerOptions } from './tsconfig.json';
+
+
+
+const moduleNameMapper = pathsToModuleNameMapper(compilerOptions.paths, {
+  prefix: '<rootDir>/',
+});
+
+const config: Config.InitialOptions = {
+  moduleFileExtensions: ['js', 'json', 'ts'],
+  rootDir: 'src',
+  testRegex: '.spec.ts$',
+  moduleNameMapper,
+  transform: {
+    '^.+\\.(t|j)s$': 'ts-jest',
+  },
+  coverageDirectory: '../coverage',
+  testEnvironment: 'node',
+};
+
+export default config;

src/lib/application/files/ts/package.json

@@ -18,7 +18,7 @@
     "test:watch": "jest --watch",
     "test:cov": "jest --coverage",
     "test:debug": "node --inspect-brk -r tsconfig-paths/register -r ts-node/register node_modules/.bin/jest --runInBand",
-    "test:e2e": "jest --config ./test/jest-e2e.json"
+    "test:e2e": "jest --config ./test/jest-e2e.ts"
   },
   "dependencies": {
     "@nestjs/common": "^7.5.1",
@@ -49,22 +49,5 @@
     "ts-node": "^9.0.0",
     "tsconfig-paths": "^3.9.0",
     "typescript": "^4.0.5"
-  },
-  "jest": {
-    "moduleFileExtensions": [
-      "js",
-      "json",
-      "ts"
-    ],
-    "rootDir": "src",
-    "testRegex": ".*\\.spec\\.ts$",
-    "transform": {
-      "^.+\\.(t|j)s$": "ts-jest"
-    },
-    "collectCoverageFrom": [
-      "**/*.(t|j)s"
-    ],
-    "coverageDirectory": "../coverage",
-    "testEnvironment": "node"
   }
 }

src/lib/application/files/ts/test/jest-e2e.ts

@@ -0,0 +1,19 @@
+import type { Config } from '@jest/types';
+import { pathsToModuleNameMapper } from 'ts-jest/utils';
+import { compilerOptions } from '../tsconfig.json';
+const moduleNameMapper = pathsToModuleNameMapper(compilerOptions.paths, {
+  prefix: '<rootDir>/../src/',
+});
+
+const config: Config.InitialOptions = {
+  moduleFileExtensions: ['js', 'json', 'ts'],
+  rootDir: '.',
+  testRegex: '.e2e-spec.ts$',
+  moduleNameMapper,
+  transform: {
+    '^.+\\.(t|j)s$': 'ts-jest',
+  },
+  testEnvironment: 'node',
+};
+
+export default config;

src/lib/application/files/ts/tsconfig.json

@@ -10,6 +10,8 @@
     "sourceMap": true,
     "outDir": "./dist",
     "baseUrl": "./",
-    "incremental": true
+    "incremental": true,
+    "resolveJsonModule": true,
+    "paths": {}
   }
-}
+}