fix(demo): use Nx-executor @nrwl/jest:jest for units (#63)

Author: nsbarsukov

jest.preset.js

@@ -0,0 +1,3 @@
+const nxPreset = require('@nrwl/jest/preset');
+
+module.exports = {...nxPreset};

projects/demo/jest.config.js

@@ -1,9 +1,20 @@
 module.exports = {
-    preset: 'jest-preset-angular',
-    testMatch: ['<rootDir>/**/*.spec.ts'],
-    setupFilesAfterEnv: ['<rootDir>/setup-jest.ts'],
-    globalSetup: 'jest-preset-angular/global-setup',
-    coverageDirectory: '<rootDir>/../../coverage/demo',
-    collectCoverageFrom: ['<rootDir>/src/**/*.ts', '!<rootDir>/**/*.spec.ts'],
-    coverageReporters: ['html', 'lcov', 'json', 'text', 'lcov', 'clover'],
+    displayName: 'demo',
+    preset: '../../jest.preset.js',
+    setupFilesAfterEnv: ['<rootDir>/src/test-setup.ts'],
+    globals: {
+        'ts-jest': {
+            tsconfig: '<rootDir>/tsconfig.spec.json',
+            stringifyContentPathRegex: '\\.(html|svg)$',
+        },
+    },
+    coverageDirectory: '../../coverage/projects/demo',
+    transform: {
+        '^.+\\.(ts|js|html)$': 'jest-preset-angular',
+    },
+    snapshotSerializers: [
+        'jest-preset-angular/build/serializers/no-ng-attributes',
+        'jest-preset-angular/build/serializers/ng-snapshot',
+        'jest-preset-angular/build/serializers/html-comment',
+    ],
 };

projects/demo/project.json

@@ -67,11 +67,12 @@
             }
         },
         "test": {
-            "executor": "@nrwl/workspace:run-commands",
+            "executor": "@nrwl/jest:jest",
+            "outputs": ["coverage/projects/demo"],
             "options": {
-                "command": "npx jest --config projects/demo/jest.config.js"
-            },
-            "outputs": ["coverage/demo"]
+                "jestConfig": "projects/demo/jest.config.js",
+                "passWithNoTests": true
+            }
         },
         "server": {
             "executor": "@angular-devkit/build-angular:server",