MOBILE-3566 tests: Prepare unit tests with jest

.travis.yml

@@ -0,0 +1,5 @@
+language: node_js
+node_js: 12
+cache: npm
+script:
+  - npm run test:ci

angular.json

@@ -94,35 +94,6 @@
             "browserTarget": "app:build"
           }
         },
-        "test": {
-          "builder": "@angular-devkit/build-angular:karma",
-          "options": {
-            "main": "src/test.ts",
-            "polyfills": "src/polyfills.ts",
-            "tsConfig": "tsconfig.spec.json",
-            "karmaConfig": "karma.conf.js",
-            "styles": [],
-            "scripts": [],
-            "assets": [
-              {
-                "glob": "favicon.ico",
-                "input": "src/",
-                "output": "/"
-              },
-              {
-                "glob": "**/*",
-                "input": "src/assets",
-                "output": "/assets"
-              }
-            ]
-          },
-          "configurations": {
-            "ci": {
-              "progress": false,
-              "watch": false
-            }
-          }
-        },
         "lint": {
           "builder": "@angular-devkit/build-angular:tslint",
           "options": {
@@ -134,21 +105,6 @@
             "exclude": ["**/node_modules/**"]
           }
         },
-        "e2e": {
-          "builder": "@angular-devkit/build-angular:protractor",
-          "options": {
-            "protractorConfig": "e2e/protractor.conf.js",
-            "devServerTarget": "app:serve"
-          },
-          "configurations": {
-            "production": {
-              "devServerTarget": "app:serve:production"
-            },
-            "ci": {
-              "devServerTarget": "app:serve:ci"
-            }
-          }
-        },
         "ionic-cordova-build": {
           "builder": "@ionic/angular-toolkit:cordova-build",
           "options": {

jest.config.js

@@ -0,0 +1,22 @@
+const { pathsToModuleNameMapper } = require('ts-jest/utils');
+const { compilerOptions } = require('./tsconfig');
+
+module.exports = {
+    preset: 'jest-preset-angular',
+    setupFilesAfterEnv: ['<rootDir>/src/tests/setup.ts'],
+    testMatch: ['**/?(*.)test.ts'],
+    collectCoverageFrom: [
+        'src/**/*.{ts,html}',
+        '!src/tests/**/*',
+    ],
+    transform: {
+        '^.+\\.(ts|html)$': 'ts-jest',
+    },
+    transformIgnorePatterns: ['node_modules/(?!@ionic-native|@ionic)'],
+    moduleNameMapper: pathsToModuleNameMapper(compilerOptions.paths, { prefix: '<rootDir>/src/' }),
+    globals: {
+        'ts-jest': {
+            tsConfig: './tsconfig.test.json',
+        },
+    },
+};

package.json

@@ -21,9 +21,11 @@
     "ng": "ng",
     "start": "ng serve",
     "build": "ng build",
-    "test": "ng test",
-    "lint": "ng lint",
-    "e2e": "ng e2e"
+    "test": "jest --verbose",
+    "test:ci": "jest -ci --runInBand --verbose",
+    "test:watch": "jest --watch",
+    "test:coverage": "jest --coverage",
+    "lint": "ng lint"
   },
   "dependencies": {
     "@angular/common": "~10.0.0",
@@ -89,18 +91,11 @@
     "@angular/compiler-cli": "~10.0.0",
     "@angular/language-service": "~10.0.0",
     "@ionic/angular-toolkit": "^2.3.0",
-    "@types/jasmine": "~3.5.0",
-    "@types/jasminewd2": "~2.0.3",
     "@types/node": "^12.11.1",
     "codelyzer": "^6.0.0",
-    "jasmine-core": "~3.5.0",
-    "jasmine-spec-reporter": "~5.0.0",
-    "karma": "~5.0.0",
-    "karma-chrome-launcher": "~3.1.0",
-    "karma-coverage-istanbul-reporter": "~3.0.2",
-    "karma-jasmine": "~3.3.0",
-    "karma-jasmine-html-reporter": "^1.5.0",
-    "protractor": "~7.0.0",
+    "jest": "^26.5.0",
+    "jest-preset-angular": "^8.3.1",
+    "ts-jest": "^26.4.1",
     "ts-node": "~8.3.0",
     "tslint": "~6.1.0",
     "typescript": "~3.9.5"

src/app/app.component.test.ts

@@ -0,0 +1,30 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { createComponent, prepareComponentTest } from '@/tests/utils';
+
+import { AppComponent } from '@app/app.component';
+
+describe('App component', () => {
+
+    beforeEach(() => prepareComponentTest(AppComponent));
+
+    it('should render', () => {
+        const fixture = createComponent(AppComponent);
+
+        expect(fixture.debugElement.componentInstance).toBeTruthy();
+        expect(fixture.nativeElement.querySelector('ion-router-outlet')).toBeTruthy();
+    });
+
+});

src/app/core/login/tests/init.page.test.ts

@@ -0,0 +1,30 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { createComponent, prepareComponentTest } from '@/tests/utils';
+
+import { CoreLoginInitPage } from '@core/login/pages/init/init.page';
+
+describe('CoreLogin Init Page', () => {
+
+    beforeEach(() => prepareComponentTest(CoreLoginInitPage));
+
+    it('should render', () => {
+        const fixture = createComponent(CoreLoginInitPage);
+
+        expect(fixture.debugElement.componentInstance).toBeTruthy();
+        expect(fixture.nativeElement.querySelector('ion-spinner')).toBeTruthy();
+    });
+
+});

src/tests/setup.ts

@@ -0,0 +1 @@
+import 'jest-preset-angular';

src/tests/utils.ts

@@ -0,0 +1,29 @@
+// (C) Copyright 2015 Moodle Pty Ltd.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import { CUSTOM_ELEMENTS_SCHEMA, Type } from '@angular/core';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+export async function prepareComponentTest(component: any): Promise<void> {
+    TestBed.configureTestingModule({
+        declarations: [component],
+        schemas: [CUSTOM_ELEMENTS_SCHEMA],
+    });
+
+    await TestBed.compileComponents();
+}
+
+export function createComponent<T>(component: Type<T>): ComponentFixture<T> {
+    return TestBed.createComponent(component);
+}

tsconfig.app.json

@@ -25,6 +25,6 @@
     "src/**/*.d.ts"
   ],
   "exclude": [
-    "src/**/*.spec.ts"
+    "src/**/*.test.ts"
   ]
 }

tsconfig.json

@@ -25,7 +25,8 @@
       "@directives/*": ["app/directives/*"],
       "@pipes/*": ["app/pipes/*"],
       "@services/*": ["app/services/*"],
-      "@singletons/*": ["app/singletons/*"]
+      "@singletons/*": ["app/singletons/*"],
+      "@tests/*": ["tests/*"]
     }
   },
   "angularCompilerOptions": {

tsconfig.spec.json

@@ -1,18 +0,0 @@
-{
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "outDir": "./out-tsc/spec",
-    "types": [
-      "jasmine",
-      "node"
-    ]
-  },
-  "files": [
-    "src/test.ts",
-    "src/polyfills.ts"
-  ],
-  "include": [
-    "src/**/*.spec.ts",
-    "src/**/*.d.ts"
-  ]
-}

tsconfig.test.json

@@ -0,0 +1,33 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": {
+    "esModuleInterop": true,
+    "outDir": "./out-tsc/tests",
+    "types": [
+      "jest",
+      "node"
+    ],
+    "paths": {
+      "@/*": ["*"],
+      "@addon/*": ["app/addon/*"],
+      "@app/*": ["app/*"],
+      "@classes/*": ["app/classes/*"],
+      "@components/*": ["app/components/*"],
+      "@core/*": ["app/core/*"],
+      "@directives/*": ["app/directives/*"],
+      "@pipes/*": ["app/pipes/*"],
+      "@services/*": ["app/services/*"],
+      "@singletons/*": ["app/singletons/*"],
+      "@tests/*": ["tests/*"]
+    }
+  },
+  "files": [
+    "src/tests/setup.ts",
+    "src/polyfills.ts"
+  ],
+  "include": [
+    "src/**/*.test.ts",
+    "src/**/*.d.ts",
+    "src/tests/**/*.ts"
+  ]
+}