simplify tests

app/angular/src/server/__tests__/angular-cli_config.test.ts

@@ -1,67 +1,52 @@
 import stripJsonComments from 'strip-json-comments';
 import { Path } from '@angular-devkit/core';
-import { getAngularCliWebpackConfigOptions } from '../angular-cli_config';
-
-// eslint-disable-next-line global-require
-jest.mock('fs', () => require('../../../../../__mocks__/fs'));
-jest.mock('path', () => ({
-  join: (...args) =>
-    args[args.length - 1] === 'angular.json'
-      ? 'angular.json'
-      : jest.requireActual('path').join(...args),
-  resolve: (...args) => 'tsconfig.json',
-}));
-
-const angularJson = jest
-  .requireActual('fs')
-  .readFileSync(jest.requireActual('path').resolve(__dirname, 'angular.json'), 'utf8');
-
-const setupFiles = (files: any) => {
-  // eslint-disable-next-line no-underscore-dangle, global-require
-  require('fs').__setMockFiles(files);
-};
+import * as fs from 'fs';
+import * as path from 'path';
+import {
+  getAngularCliWebpackConfigOptions,
+  getLeadingAngularCliProject,
+} from '../angular-cli_config';
 
 describe('angular-cli_config', () => {
-  describe('getAngularCliWebpackConfigOptions()', () => {
-    it('should return have empty `buildOptions.sourceMap` and `buildOptions.optimization` by default', () => {
-      setupFiles({ 'angular.json': angularJson });
-
-      const config = getAngularCliWebpackConfigOptions('/' as Path);
-
-      expect(config).toMatchObject({
-        buildOptions: {
-          sourceMap: {},
-          optimization: {},
-        },
-      });
+  it('should return have empty `buildOptions.sourceMap` and `buildOptions.optimization` by default', () => {
+    const config = getAngularCliWebpackConfigOptions(__dirname as Path);
+    expect(config).toMatchObject({
+      buildOptions: {
+        sourceMap: {},
+        optimization: {},
+      },
     });
+  });
 
-    it('should use `storybook` project by default when project is defined', () => {
-      // Lazy clone example angular json
-      const overrideAngularJson = JSON.parse(stripJsonComments(angularJson));
-      // Add storybook project
-      overrideAngularJson.projects.storybook = {
-        architect: {
-          build: {
-            options: {
-              assets: [],
-              styles: ['custom/styles'],
-            },
+  it('should use `storybook` project by default when `storybook` project is defined', () => {
+    // Lazy clone example angular json
+    const angularJson = fs.readFileSync(path.resolve(__dirname, 'angular.json'), 'utf8');
+    const angularJsonWithStorybookProject = JSON.parse(stripJsonComments(angularJson));
+
+    // Add storybook project
+    angularJsonWithStorybookProject.projects.storybook = {
+      architect: {
+        build: {
+          options: {
+            assets: [],
+            styles: ['custom/styles'],
           },
         },
-      };
-
-      setupFiles({ 'angular.json': JSON.stringify(overrideAngularJson) });
-
-      const config = getAngularCliWebpackConfigOptions('/' as Path);
-
-      // Assure configuration matches values from `storybook` project
-      expect(config).toMatchObject({
-        buildOptions: {
-          assets: [],
-          styles: ['custom/styles'],
+      },
+    };
+
+    const projectConfig = getLeadingAngularCliProject(angularJsonWithStorybookProject);
+
+    // Assure configuration matches values from `storybook` project
+    expect(projectConfig).toMatchObject({
+      architect: {
+        build: {
+          options: {
+            assets: [],
+            styles: ['custom/styles'],
+          },
         },
-      });
+      },
     });
   });
 });