chore: add test for angular-cli_utils

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

@@ -0,0 +1,47 @@
+import { Path } from '@angular-devkit/core';
+
+import { getAngularCliParts } from '../angular-cli_utils';
+import { getAngularCliWebpackConfigOptions } from '../angular-cli_config';
+
+// @ts-ignore
+import angularJson from './angular.json';
+
+// 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',
+  parse: jest.requireActual('path').parse,
+  dirname: jest.requireActual('path').dirname,
+}));
+
+const setupFiles = (files: any) => {
+  // eslint-disable-next-line no-underscore-dangle, global-require
+  require('fs').__setMockFiles(files);
+};
+
+describe('angular-cli_utils', () => {
+  describe('getAngularCliParts', () => {
+    it('should parse angular cli config correctly', () => {
+      setupFiles({ 'angular.json': JSON.stringify(angularJson) });
+      let config = getAngularCliWebpackConfigOptions('/' as Path);
+      expect(getAngularCliParts(config)).not.toBe(null);
+
+      config = {
+        ...config,
+        buildOptions: {
+          ...config.buildOptions,
+        },
+      };
+
+      delete config.buildOptions.outputPath;
+      delete config.buildOptions.scripts;
+      delete config.buildOptions.styles;
+
+      expect(getAngularCliParts(config)).not.toBe(null);
+    });
+  });
+});