Merge pull request #114 from BinaryStudioAcademy/task/thjs-63-move-project-into-typescript

thjs-64: Fix hands on backend tests

Author: v0ldemar01

server/.eslintrc.yml

@@ -10,13 +10,30 @@ extends:
 
 overrides:
   - files:
-      - knexfile.js
+      - knexfile.ts
     rules:
       'import/no-default-export':
         - off
   - files:
-      - src/db/migrations/**/*.js
+      - src/db/migrations/**/*.ts
     rules:
       'unicorn/filename-case':
         - error
         - case: snakeCase
+  - files:
+      - jest.config.js
+    rules:
+      '@typescript-eslint/no-unsafe-return':
+        - off
+      '@typescript-eslint/no-unsafe-member-access':
+        - off
+      '@typescript-eslint/explicit-function-return-type':
+        - off
+      '@typescript-eslint/no-unsafe-argument':
+        - off
+      '@typescript-eslint/no-unsafe-assignment':
+        - off
+      '@typescript-eslint/no-unsafe-call':
+        - off
+      'import/no-default-export':
+        - off

server/jest.config.js

@@ -0,0 +1,37 @@
+import { join } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+import { pathsToModuleNameMapper } from 'ts-jest';
+
+import tsconfigJson from './tsconfig.json' assert { type: 'json' };
+
+const sourcePath = join(fileURLToPath(import.meta.url), '../');
+
+const manageKey = key => {
+  return key.includes('(.*)') ? key.slice(0, -1) + '\\.js$' : key;
+};
+
+const manageMapper = mapper => ({
+  ...Object.fromEntries(
+    Object.entries(mapper).map(([key, value]) => [manageKey(key), value])
+  ),
+  '^(\\.{1,2}/.*)\\.js$': '$1'
+});
+
+export default {
+  testEnvironment: 'jest-environment-node',
+  preset: 'ts-jest/presets/default-esm',
+  extensionsToTreatAsEsm: ['.ts'],
+  transformIgnorePatterns: ['node_modules/'],
+  testPathIgnorePatterns: ['node_modules/', 'dist/', 'build/'],
+  moduleNameMapper: manageMapper(
+    pathsToModuleNameMapper(tsconfigJson.compilerOptions.paths, {
+      prefix: sourcePath
+    })
+  ),
+  transform: {
+    '^.+\\.tsx?$': ['ts-jest', { useESM: true }]
+  },
+  testTimeout: 10_000,
+  workerIdleMemoryLimit: '1GB'
+};

server/package.json

@@ -20,7 +20,7 @@
     "lint": "npm run lint:js",
     "build": "tsc && tsc-alias",
     "pretest": "cross-env NODE_ENV=test npm run migrate:dev",
-    "test": "cross-env NODE_ENV=test node --experimental-vm-modules --expose-gc --no-compilation-cache ../node_modules/jest/bin/jest.js --runInBand",
+    "test": "cross-env NODE_ENV=test node --experimental-vm-modules --expose-gc --no-compilation-cache ../node_modules/jest/bin/jest.js --config jest.config.js --runInBand --forceExit --detectOpenHandles",
     "test:starter": "npm run test -- --verbose --rootDir=tests/api/0-starter/",
     "test:dislike-post": "npm run test -- --verbose --rootDir=tests/api/1-dislike-post/",
     "test:update-post": "npm run test -- --verbose --rootDir=tests/api/2-update-post/",

server/tsconfig.json

@@ -1,6 +1,6 @@
 {
   "extends": "../tsconfig.json",
-  "include": ["src/**/*.ts", "tests/**/*.ts", "knexfile.ts", "jest.config.ts"],
+  "include": ["src/**/*.ts", "tests/**/*.ts", "knexfile.ts"],
   "files": ["src/index.d.ts"],
   "exclude": ["node_modules"],
   "compilerOptions": {