273 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			273 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
/**
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 * @license
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 * Copyright Google Inc. All Rights Reserved.
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 *
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 * Use of this source code is governed by an MIT-style license that can be
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 * found in the LICENSE file at https://angular.io/license
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 */
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import {ModuleMetadata} from '@angular/tsc-wrapped';
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import * as ts from 'typescript';
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import {CompilerHost} from '../src/compiler_host';
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import {Directory, Entry, MockAotContext, MockCompilerHost} from './mocks';
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describe('CompilerHost', () => {
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  let context: MockAotContext;
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  let program: ts.Program;
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  let hostNestedGenDir: CompilerHost;
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  let hostSiblingGenDir: CompilerHost;
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  beforeEach(() => {
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    context = new MockAotContext('/tmp/src', clone(FILES));
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    const host = new MockCompilerHost(context);
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    program = ts.createProgram(
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        ['main.ts'], {
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          module: ts.ModuleKind.CommonJS,
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        },
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        host);
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    // Force a typecheck
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    const errors = program.getSemanticDiagnostics();
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    if (errors && errors.length) {
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      throw new Error('Expected no errors');
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    }
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    hostNestedGenDir = new CompilerHost(
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        program, {
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          genDir: '/tmp/project/src/gen/',
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          basePath: '/tmp/project/src',
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          skipMetadataEmit: false,
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          strictMetadataEmit: false,
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          skipTemplateCodegen: false,
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          trace: false
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        },
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        context);
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    hostSiblingGenDir = new CompilerHost(
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        program, {
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          genDir: '/tmp/project/gen',
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          basePath: '/tmp/project/src/',
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          skipMetadataEmit: false,
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          strictMetadataEmit: false,
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          skipTemplateCodegen: false,
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          trace: false
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        },
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        context);
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  });
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  describe('nestedGenDir', () => {
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    it('should import node_module from factory', () => {
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/node_modules/@angular/core.d.ts',
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                 '/tmp/project/src/gen/my.ngfactory.ts', ))
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          .toEqual('@angular/core');
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    });
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    it('should import factory from factory', () => {
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/src/my.other.ngfactory.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('./my.other.ngfactory');
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/src/my.other.css.ngstyle.ts', '/tmp/project/src/a/my.ngfactory.ts'))
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          .toEqual('../my.other.css.ngstyle');
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/src/a/my.other.shim.ngstyle.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('./a/my.other.shim.ngstyle');
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/src/my.other.sass.ngstyle.ts', '/tmp/project/src/a/my.ngfactory.ts'))
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          .toEqual('../my.other.sass.ngstyle');
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    });
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    it('should import application from factory', () => {
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/src/my.other.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('../my.other');
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/src/my.other.ts', '/tmp/project/src/a/my.ngfactory.ts'))
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          .toEqual('../../my.other');
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/src/a/my.other.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('../a/my.other');
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/src/a/my.other.css.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('../a/my.other.css');
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      expect(hostNestedGenDir.fileNameToModuleName(
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                 '/tmp/project/src/a/my.other.css.shim.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('../a/my.other.css.shim');
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    });
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  });
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  describe('siblingGenDir', () => {
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    it('should import node_module from factory', () => {
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      expect(hostSiblingGenDir.fileNameToModuleName(
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                 '/tmp/project/node_modules/@angular/core.d.ts',
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                 '/tmp/project/src/gen/my.ngfactory.ts'))
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          .toEqual('@angular/core');
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    });
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    it('should import factory from factory', () => {
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      expect(hostSiblingGenDir.fileNameToModuleName(
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                 '/tmp/project/src/my.other.ngfactory.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('./my.other.ngfactory');
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      expect(hostSiblingGenDir.fileNameToModuleName(
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                 '/tmp/project/src/my.other.css.ts', '/tmp/project/src/a/my.ngfactory.ts'))
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          .toEqual('../my.other.css');
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      expect(hostSiblingGenDir.fileNameToModuleName(
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                 '/tmp/project/src/a/my.other.css.shim.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('./a/my.other.css.shim');
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    });
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    it('should import application from factory', () => {
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      expect(hostSiblingGenDir.fileNameToModuleName(
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                 '/tmp/project/src/my.other.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('./my.other');
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      expect(hostSiblingGenDir.fileNameToModuleName(
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                 '/tmp/project/src/my.other.ts', '/tmp/project/src/a/my.ngfactory.ts'))
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          .toEqual('../my.other');
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      expect(hostSiblingGenDir.fileNameToModuleName(
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                 '/tmp/project/src/a/my.other.ts', '/tmp/project/src/my.ngfactory.ts'))
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          .toEqual('./a/my.other');
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    });
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  });
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  it('should be able to produce an import from main @angular/core', () => {
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    expect(hostNestedGenDir.fileNameToModuleName(
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               '/tmp/project/node_modules/@angular/core.d.ts', '/tmp/project/src/main.ts'))
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        .toEqual('@angular/core');
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  });
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  it('should be able to produce an import to a shallow import', () => {
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    expect(hostNestedGenDir.fileNameToModuleName('@angular/core', '/tmp/project/src/main.ts'))
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        .toEqual('@angular/core');
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    expect(hostNestedGenDir.fileNameToModuleName(
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               '@angular/upgrade/static', '/tmp/project/src/main.ts'))
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        .toEqual('@angular/upgrade/static');
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    expect(hostNestedGenDir.fileNameToModuleName('myLibrary', '/tmp/project/src/main.ts'))
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        .toEqual('myLibrary');
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    expect(hostNestedGenDir.fileNameToModuleName('lib23-43', '/tmp/project/src/main.ts'))
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        .toEqual('lib23-43');
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  });
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  it('should be able to produce an import from main to a sub-directory', () => {
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    expect(hostNestedGenDir.fileNameToModuleName('lib/utils.ts', 'main.ts')).toEqual('./lib/utils');
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  });
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  it('should be able to produce an import from to a peer file', () => {
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    expect(hostNestedGenDir.fileNameToModuleName('lib/collections.ts', 'lib/utils.ts'))
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        .toEqual('./collections');
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  });
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  it('should be able to produce an import from to a sibling directory', () => {
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    expect(hostNestedGenDir.fileNameToModuleName('lib/utils.ts', 'lib2/utils2.ts'))
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        .toEqual('../lib/utils');
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  });
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  it('should be able to read a metadata file', () => {
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    expect(hostNestedGenDir.getMetadataFor('node_modules/@angular/core.d.ts')).toEqual([
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      {__symbolic: 'module', version: 3, metadata: {foo: {__symbolic: 'class'}}}
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    ]);
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  });
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  it('should be able to read metadata from an otherwise unused .d.ts file ', () => {
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    expect(hostNestedGenDir.getMetadataFor('node_modules/@angular/unused.d.ts')).toEqual([
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      dummyMetadata
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    ]);
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  });
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  it('should be able to read empty metadata ', () => {
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    expect(hostNestedGenDir.getMetadataFor('node_modules/@angular/empty.d.ts')).toEqual([]);
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  });
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  it('should return undefined for missing modules', () => {
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    expect(hostNestedGenDir.getMetadataFor('node_modules/@angular/missing.d.ts')).toBeUndefined();
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  });
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  it('should add missing v3 metadata from v1 metadata and .d.ts files', () => {
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    expect(hostNestedGenDir.getMetadataFor('metadata_versions/v1.d.ts')).toEqual([
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      {__symbolic: 'module', version: 1, metadata: {foo: {__symbolic: 'class'}}}, {
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        __symbolic: 'module',
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        version: 3,
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        metadata: {
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          foo: {__symbolic: 'class'},
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          Bar: {__symbolic: 'class', members: {ngOnInit: [{__symbolic: 'method'}]}},
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          BarChild: {__symbolic: 'class', extends: {__symbolic: 'reference', name: 'Bar'}},
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          ReExport: {__symbolic: 'reference', module: './lib/utils2', name: 'ReExport'},
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        },
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        exports: [{from: './lib/utils2', export: ['Export']}],
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      }
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    ]);
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  });
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  it('should upgrade a missing metadata file into v3', () => {
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    expect(hostNestedGenDir.getMetadataFor('metadata_versions/v1_empty.d.ts')).toEqual([
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      {__symbolic: 'module', version: 3, metadata: {}, exports: [{from: './lib/utils'}]}
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    ]);
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  });
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});
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const dummyModule = 'export let foo: any[];';
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const dummyMetadata: ModuleMetadata = {
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  __symbolic: 'module',
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  version: 3,
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  metadata:
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      {foo: {__symbolic: 'error', message: 'Variable not initialized', line: 0, character: 11}}
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};
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const FILES: Entry = {
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  'tmp': {
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    'src': {
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      'main.ts': `
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        import * as c from '@angular/core';
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        import * as r from '@angular/router';
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        import * as u from './lib/utils';
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        import * as cs from './lib/collections';
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        import * as u2 from './lib2/utils2';
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      `,
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      'lib': {
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        'utils.ts': dummyModule,
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        'collections.ts': dummyModule,
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      },
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      'lib2': {'utils2.ts': dummyModule},
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      'node_modules': {
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        '@angular': {
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          'core.d.ts': dummyModule,
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          'core.metadata.json':
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              `{"__symbolic":"module", "version": 3, "metadata": {"foo": {"__symbolic": "class"}}}`,
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          'router': {'index.d.ts': dummyModule, 'src': {'providers.d.ts': dummyModule}},
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          'unused.d.ts': dummyModule,
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          'empty.d.ts': 'export declare var a: string;',
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          'empty.metadata.json': '[]',
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        }
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      },
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      'metadata_versions': {
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        'v1.d.ts': `
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          import {ReExport} from './lib/utils2';
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          export {ReExport};
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          export {Export} from './lib/utils2';
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          export declare class Bar {
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            ngOnInit() {}
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          }
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          export declare class BarChild extends Bar {}
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        `,
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        'v1.metadata.json':
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            `{"__symbolic":"module", "version": 1, "metadata": {"foo": {"__symbolic": "class"}}}`,
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        'v1_empty.d.ts': `
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          export * from './lib/utils';
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        `
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      }
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    }
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  }
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};
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function clone(entry: Entry): Entry {
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  if (typeof entry === 'string') {
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    return entry;
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  } else {
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    const result: Directory = {};
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    for (const name in entry) {
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      result[name] = clone(entry[name]);
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    }
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    return result;
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  }
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}
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