feat(be): apply test coverage (#1637)

.gitignore

@@ -133,3 +133,7 @@ go.work
 
 # PEM-encoded certificate data
 *.pem
+
+# nyc files
+.nyc_output
+coverage

apps/backend/.nycrc

@@ -0,0 +1,8 @@
+{
+  "extends": "@istanbuljs/nyc-config-typescript",
+  "all": true,
+  "check-coverage": true,
+  "include": ["{apps,libs}/**/*.{service,resolver}.ts"],
+  "exclude": ["**/*.spec.ts"],
+  "reporter": ["lcov", "text"]
+}

apps/backend/package.json

@@ -13,6 +13,7 @@
     "test": "pnpm run pretest && cross-env DATABASE_URL=$TEST_DATABASE_URL mocha \"*/**/*.spec.ts\"",
     "test:watch": "pnpm run pretest && cross-env DATABASE_URL=$TEST_DATABASE_URL mocha --watch \"*/**/*.spec.ts\"",
     "test:debug": "pnpm run pretest && cross-env DATABASE_URL=$TEST_DATABASE_URL mocha --inspect \"*/**/*.spec.ts\"",
+    "test:coverage": "nyc npm run test",
     "studio": "npx prisma studio",
     "studio:test": "cross-env DATABASE_URL=$TEST_DATABASE_URL npx prisma studio"
   },
@@ -79,6 +80,7 @@
   },
   "devDependencies": {
     "@faker-js/faker": "^8.4.1",
+    "@istanbuljs/nyc-config-typescript": "^1.0.2",
     "@nestjs/cli": "^10.3.2",
     "@nestjs/schematics": "^10.1.1",
     "@nestjs/testing": "^10.3.5",
@@ -96,10 +98,12 @@
     "chai": "^4.4.1",
     "chai-as-promised": "^7.1.1",
     "mocha": "^10.3.0",
+    "nyc": "^15.1.0",
     "prisma": "^5.11.0",
     "prisma-nestjs-graphql": "^20.0.2",
     "proxyquire": "^2.1.3",
     "sinon": "^17.0.1",
+    "source-map-support": "^0.5.21",
     "ts-loader": "^9.5.1",
     "ts-node": "^10.9.2",
     "tsconfig-paths": "^4.2.0",