refactor: migrate to jest (#62)

* build(npm): update npm scripts, deps

* build(webpack): remove webpack test config

* refactor: migrate test config to `jest`

* refactor: centralize tsconfig

* docs: add jest badge to README

* refactor(core): refactor `jest` migration

README.md

@@ -4,6 +4,7 @@ Dynamic page title & meta tags generator for **Angular**
 [![Linux build](https://travis-ci.org/fulls1z3/ngx-meta.svg?branch=master)](https://travis-ci.org/fulls1z3/ngx-meta)
 [![Windows build](https://ci.appveyor.com/api/projects/status/github/fulls1z3/ngx-meta?branch=master&svg=true)](https://ci.appveyor.com/project/fulls1z3/ngx-meta)
 [![coverage](https://codecov.io/github/fulls1z3/ngx-meta/coverage.svg?branch=master)](https://codecov.io/gh/fulls1z3/ngx-meta)
+[![tested with jest](https://img.shields.io/badge/tested_with-jest-99424f.svg)](https://github.com/facebook/jest)
 [![Angular Style Guide](https://mgechev.github.io/angular2-style-guide/images/badge.svg)](https://angular.io/styleguide)
 
 > Please support this project by simply putting a Github star. Share this library with friends on Twitter and everywhere else you can.

package.json

@@ -20,19 +20,22 @@
     "clean": "gulp clean --color",
     "lint": "gulp tslint --color",
     "make": "gulp make --color",
-    "test": "gulp test --color"
+    "test": "jest --runInBand --colors"
   },
   "devDependencies": {
     "@angular/common": "~4.3.0",
     "@angular/compiler": "~4.3.0",
+    "@angular/compiler-cli": "~4.3.0",
     "@angular/core": "~4.3.0",
     "@angular/platform-browser": "~4.3.0",
     "@angular/platform-browser-dynamic": "~4.3.0",
     "@angular/router": "~4.3.0",
     "core-js": "^2.5.0",
     "rxjs": "^5.4.3",
     "zone.js": "^0.8.17",
-    "@types/jasmine": "^2.5.54",
+    "lodash": "^4.17.4",
+    "@types/lodash": "4.14.55",
+    "@types/jest": "^20.0.8",
     "gulp": "gulpjs/gulp#4.0",
     "gulp-load-plugins": "^1.5.0",
     "rimraf": "^2.6.1",
@@ -41,20 +44,28 @@
     "webpack": "^3.5.5",
     "tslint-loader": "^3.5.3",
     "awesome-typescript-loader": "^3.2.3",
-    "jasmine-core": "^2.8.0",
-    "karma": "^1.7.1",
-    "karma-jasmine": "^1.1.0",
-    "karma-coverage": "^1.1.1",
-    "karma-mocha-reporter": "^2.2.4",
-    "karma-coverage-istanbul-reporter": "^1.3.0",
-    "karma-sourcemap-loader": "^0.3.7",
-    "karma-webpack": "^2.0.4",
-    "karma-chrome-launcher": "^2.2.0",
-    "source-map-loader": "^0.2.1",
-    "istanbul-instrumenter-loader": "^3.0.0",
+    "jest": "^20.0.4",
+    "jest-preset-angular": "^2.0.5",
     "codelyzer": "^3.1.2",
     "tslint": "~5.7.0",
     "angular-tslint-rules": "^1.0.4",
     "typescript": "~2.3.4"
+  },
+  "jest": {
+    "preset": "jest-preset-angular",
+    "setupTestFrameworkScriptFile": "./config/jest.setup.ts",
+    "globals": {
+      "ts-jest": {
+        "tsConfigFile": "./tsconfig.json"
+      },
+      "__TRANSFORM_HTML__": true
+    },
+    "cache": false,
+    "noStackTrace": true,
+    "silent": true,
+    "collectCoverage": true,
+    "collectCoverageFrom": [
+      "packages/@ngx-meta/core/src/**.ts"
+    ]
   }
 }

packages/@ngx-meta/core/tests/meta.loader.spec.ts

@@ -1,9 +1,9 @@
 // angular
-import { getTestBed } from '@angular/core/testing';
+import { TestBed } from '@angular/core/testing';
 
 // module
 import { MetaLoader, MetaService, MetaSettings, MetaStaticLoader } from '../index';
-import { defaultSettings, emptySettings, testModuleConfig, testSettings } from './index.spec';
+import { defaultSettings, emptySettings, testModuleConfig, testSettings } from './common';
 
 describe('@ngx-meta/core:',
   () => {
@@ -35,8 +35,7 @@ describe('@ngx-meta/core:',
               useFactory: (metaFactory)
             });
 
-            const injector = getTestBed();
-            const meta = injector.get(MetaService);
+            const meta = TestBed.get(MetaService);
 
             expect(MetaStaticLoader).toBeDefined();
             expect(meta.loader).toBeDefined();
@@ -56,8 +55,7 @@ describe('@ngx-meta/core:',
               useClass: CustomLoader
             });
 
-            const injector = getTestBed();
-            const meta = injector.get(MetaService);
+            const meta = TestBed.get(MetaService);
 
             expect(CustomLoader).toBeDefined();
             expect(meta.loader).toBeDefined();