perform_compile.spec.ts

/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */

import {readConfiguration} from '../src/perform_compile';

import {TestSupport, setup} from './test_support';

describe('perform_compile', () => {
  let testSupport: TestSupport;

  beforeEach(() => { testSupport = setup(); });

  function writeSomeRoutes() {
    testSupport.writeFiles({
      'src/tsconfig-level-1.json': `
        extends: "src/tsconfig-level-2.json",
        angularCompilerOptions: {
          "annotateForClosureCompiler": true
        }
      `,
      'src/tsconfig-level-2.json': `
        extends: "src/tsconfig-level-3.json",
        angularCompilerOptions: {
          "skipMetadataEmit": true
        }
      `,
      'src/tsconfig-level-3.json': `
        angularCompilerOptions: {
          "annotateForClosureCompiler": false,
          "annotationsAs": "decorators"
        }
      `,
    });
  }

  it('should merge tsconfig "angularCompilerOptions"', () => {
    writeSomeRoutes();
    const {options} = readConfiguration('src/tsconfig-level-1.json');

    expect(options.annotateForClosureCompiler).toBe(true);
    expect(options.annotationsAs).toBe('decorators');
    expect(options.skipMetadataEmit).toBe(false);
  });

});