TypeScript testing_internal.it函数代码示例

describe('reflector_host', () => {
  var context: MockContext;
  var host: ts.CompilerHost;
  var program: ts.Program;
  var reflectorHost: ReflectorHost;

  beforeEach(() => {
    context = new MockContext('/tmp/src', clone(FILES));
    host = new MockCompilerHost(context)
    program = ts.createProgram(
        ['main.ts'], {
          module: ts.ModuleKind.CommonJS,
        },
        host);
    // Force a typecheck
    let errors = program.getSemanticDiagnostics();
    if (errors && errors.length) {
      throw new Error('Expected no errors');
    }
    reflectorHost = new ReflectorHost(
        program, host, {
          genDir: '/tmp/dist',
          basePath: '/tmp/src',
          skipMetadataEmit: false,
          skipTemplateCodegen: false,
          trace: false
        },
        context);
  });

  it('should provide the import locations for angular', () => {
    let {coreDecorators, diDecorators, diMetadata, animationMetadata, provider} =
        reflectorHost.angularImportLocations();
    expect(coreDecorators).toEqual('@angular/core/src/metadata');
    expect(diDecorators).toEqual('@angular/core/src/di/decorators');
    expect(diMetadata).toEqual('@angular/core/src/di/metadata');
    expect(animationMetadata).toEqual('@angular/core/src/animation/metadata');
    expect(provider).toEqual('@angular/core/src/di/provider');
  });

  it('should be able to produce an import from main @angular/core', () => {
    expect(reflectorHost.getImportPath('main.ts', 'node_modules/@angular/core.d.ts'))
        .toEqual('@angular/core');
  });

  it('should be ble to produce an import from main to a sub-directory', () => {
    expect(reflectorHost.getImportPath('main.ts', 'lib/utils.ts')).toEqual('./lib/utils');
  });

  it('should be able to produce an import from to a peer file', () => {
    expect(reflectorHost.getImportPath('lib/utils.ts', 'lib/collections.ts'))
        .toEqual('./collections');
  });

  it('should be able to produce an import from to a sibling directory', () => {
    expect(reflectorHost.getImportPath('lib2/utils2.ts', 'lib/utils.ts')).toEqual('../lib/utils');
  });

  it('should be able to produce a symbol for an exported symbol', () => {
    expect(reflectorHost.findDeclaration('@angular/router-deprecated', 'foo', 'main.ts'))
        .toBeDefined();
  });

  it('should be able to produce a symbol for values space only reference', () => {
    expect(
        reflectorHost.findDeclaration('@angular/router-deprecated/src/providers', 'foo', 'main.ts'))
        .toBeDefined();
  });

  it('should be produce the same symbol if asked twice', () => {
    let foo1 = reflectorHost.getStaticSymbol('main.ts', 'foo');
    let foo2 = reflectorHost.getStaticSymbol('main.ts', 'foo');
    expect(foo1).toBe(foo2);
  });

  it('should be able to read a metadata file',
     () => {
         expect(reflectorHost.getMetadataFor('node_modules/@angular/core.d.ts'))
             .toEqual({__symbolic: 'module', version: 1, metadata: {foo: {__symbolic: 'class'}}})});

  it('should be able to read metadata from an otherwise unused .d.ts file ', () => {
    expect(reflectorHost.getMetadataFor('node_modules/@angular/unused.d.ts')).toBeUndefined();
  });
});

    describe('classes', () => {
      let callSomeMethod: o.Statement;

      beforeEach(() => { callSomeMethod = o.THIS_EXPR.callMethod('someMethod', []).toStmt(); });


      it('should support declaring classes', () => {
        expect(emitStmt(new o.ClassStmt('SomeClass', null, [], [], null, [
        ]))).toEqual(['class SomeClass {', '}'].join('\n'));
        expect(emitStmt(new o.ClassStmt('SomeClass', null, [], [], null, []), ['SomeClass']))
            .toEqual(['export class SomeClass {', '}'].join('\n'));
        expect(emitStmt(new o.ClassStmt('SomeClass', o.variable('SomeSuperClass'), [], [], null, [
        ]))).toEqual(['class SomeClass extends SomeSuperClass {', '}'].join('\n'));
      });

      it('should support declaring constructors', () => {
        const superCall = o.SUPER_EXPR.callFn([o.variable('someParam')]).toStmt();
        expect(emitStmt(
                   new o.ClassStmt('SomeClass', null, [], [], new o.ClassMethod(null, [], []), [])))
            .toEqual(['class SomeClass {', '  constructor() {', '  }', '}'].join('\n'));
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null, [], [],
                   new o.ClassMethod(null, [new o.FnParam('someParam', o.INT_TYPE)], []), [])))
            .toEqual(
                ['class SomeClass {', '  constructor(someParam:number) {', '  }', '}'].join('\n'));
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null, [], [], new o.ClassMethod(null, [], [superCall]), [])))
            .toEqual([
              'class SomeClass {', '  constructor() {', '    super(someParam);', '  }', '}'
            ].join('\n'));
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null, [], [], new o.ClassMethod(null, [], [callSomeMethod]), [])))
            .toEqual([
              'class SomeClass {', '  constructor() {', '    this.someMethod();', '  }', '}'
            ].join('\n'));
      });

      it('should support declaring fields', () => {
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null, [new o.ClassField('someField')], [], null, [])))
            .toEqual(['class SomeClass {', '  someField:any;', '}'].join('\n'));
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null, [new o.ClassField('someField', o.INT_TYPE)], [], null, [])))
            .toEqual(['class SomeClass {', '  someField:number;', '}'].join('\n'));
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null,
                   [new o.ClassField('someField', o.INT_TYPE, [o.StmtModifier.Private])], [], null,
                   [])))
            .toEqual(['class SomeClass {', '  /*private*/ someField:number;', '}'].join('\n'));
      });

      it('should support declaring getters', () => {
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null, [], [new o.ClassGetter('someGetter', [])], null, [])))
            .toEqual(['class SomeClass {', '  get someGetter():any {', '  }', '}'].join('\n'));
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null, [], [new o.ClassGetter('someGetter', [], o.INT_TYPE)], null,
                   [])))
            .toEqual(['class SomeClass {', '  get someGetter():number {', '  }', '}'].join('\n'));
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null, [], [new o.ClassGetter('someGetter', [callSomeMethod])], null,
                   [])))
            .toEqual([
              'class SomeClass {', '  get someGetter():any {', '    this.someMethod();', '  }', '}'
            ].join('\n'));
        expect(
            emitStmt(new o.ClassStmt(
                'SomeClass', null, [],
                [new o.ClassGetter('someGetter', [], null, [o.StmtModifier.Private])], null, [])))
            .toEqual(
                ['class SomeClass {', '  private get someGetter():any {', '  }', '}'].join('\n'));
      });

      it('should support methods', () => {
        expect(emitStmt(new o.ClassStmt('SomeClass', null, [], [], null, [
          new o.ClassMethod('someMethod', [], [])
        ]))).toEqual(['class SomeClass {', '  someMethod():void {', '  }', '}'].join('\n'));
        expect(emitStmt(new o.ClassStmt('SomeClass', null, [], [], null, [
          new o.ClassMethod('someMethod', [], [], o.INT_TYPE)
        ]))).toEqual(['class SomeClass {', '  someMethod():number {', '  }', '}'].join('\n'));
        expect(
            emitStmt(new o.ClassStmt(
                'SomeClass', null, [], [], null,
                [new o.ClassMethod('someMethod', [new o.FnParam('someParam', o.INT_TYPE)], [])])))
            .toEqual([
              'class SomeClass {', '  someMethod(someParam:number):void {', '  }', '}'
            ].join('\n'));
        expect(emitStmt(new o.ClassStmt(
                   'SomeClass', null, [], [], null,
                   [new o.ClassMethod('someMethod', [], [callSomeMethod])])))
            .toEqual([
              'class SomeClass {', '  someMethod():void {', '    this.someMethod();', '  }', '}'
            ].join('\n'));
      });
    });

function asyncRoutesWithoutChildrenWithParams() {
  var fixture: any /** TODO #9100 */;
  var tcb: any /** TODO #9100 */;
  var rtr: any /** TODO #9100 */;

  beforeEachProviders(() => TEST_ROUTER_PROVIDERS);

  beforeEach(inject(
      [TestComponentBuilder, Router],
      (tcBuilder: any /** TODO #9100 */, router: any /** TODO #9100 */) => {
        tcb = tcBuilder;
        rtr = router;
      }));

  it('should navigate by URL', inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
       compile(tcb)
           .then((rtc) => {fixture = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/user/:name', loader: userCmpLoader, name: 'User'})]))
           .then((_) => rtr.navigateByUrl('/user/igor'))
           .then((_) => {
             fixture.detectChanges();
             expect(fixture.debugElement.nativeElement).toHaveText('hello igor');
             async.done();
           });
     }));

  it('should navigate by link DSL', inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
       compile(tcb)
           .then((rtc) => {fixture = rtc})
           .then(
               (_) =>
                   rtr.config([new Route({path: '/user/:name', component: UserCmp, name: 'User'})]))
           .then((_) => rtr.navigate(['/User', {name: 'brian'}]))
           .then((_) => {
             fixture.detectChanges();
             expect(fixture.debugElement.nativeElement).toHaveText('hello brian');
             async.done();
           });
     }));

  it('should generate a link URL', inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
       compile(
           tcb,
           `<a [routerLink]="['User', {name: 'naomi'}]">greet naomi</a> | <router-outlet></router-outlet>`)
           .then((rtc) => {fixture = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/user/:name', loader: userCmpLoader, name: 'User'})]))
           .then((_) => {
             fixture.detectChanges();
             expect(getHref(getLinkElement(fixture))).toEqual('/user/naomi');
             async.done();
           });
     }));

  it('should navigate from a link click',
     inject(
         [AsyncTestCompleter, Location],
         (async: AsyncTestCompleter, location: any /** TODO #9100 */) => {
           compile(
               tcb,
               `<a [routerLink]="['User', {name: 'naomi'}]">greet naomi</a> | <router-outlet></router-outlet>`)
               .then((rtc) => {fixture = rtc})
               .then((_) => rtr.config([new AsyncRoute(
                         {path: '/user/:name', loader: userCmpLoader, name: 'User'})]))
               .then((_) => {
                 fixture.detectChanges();
                 expect(fixture.debugElement.nativeElement).toHaveText('greet naomi | ');

                 rtr.subscribe((_: any /** TODO #9100 */) => {
                   fixture.detectChanges();
                   expect(fixture.debugElement.nativeElement)
                       .toHaveText('greet naomi | hello naomi');
                   expect(location.urlChanges).toEqual(['/user/naomi']);
                   async.done();
                 });

                 clickOnElement(getLinkElement(fixture));
               });
         }));

  it('should navigate between components with different parameters',
     inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
       compile(tcb)
           .then((rtc) => {fixture = rtc})
           .then((_) => rtr.config([new AsyncRoute(
                     {path: '/user/:name', loader: userCmpLoader, name: 'User'})]))
           .then((_) => rtr.navigateByUrl('/user/brian'))
           .then((_) => {
             fixture.detectChanges();
             expect(fixture.debugElement.nativeElement).toHaveText('hello brian');
           })
           .then((_) => rtr.navigateByUrl('/user/igor'))
           .then((_) => {
             fixture.detectChanges();
             expect(fixture.debugElement.nativeElement).toHaveText('hello igor');
             async.done();
           });
     }));
}

  describe('router bootstrap', () => {
    beforeEachProviders(() => [
      ROUTER_PROVIDERS,
      {provide: LocationStrategy, useClass: MockLocationStrategy},
      {provide: ApplicationRef, useClass: MockApplicationRef}
    ]);

    // do not refactor out the `bootstrap` functionality. We still want to
    // keep this test around so we can ensure that bootstrap a router works
    it('should bootstrap a simple app', inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         var fakeDoc = getDOM().createHtmlDocument();
         var el = getDOM().createElement('app-cmp', fakeDoc);
         getDOM().appendChild(fakeDoc.body, el);

         bootstrap(AppCmp,
                   [
                     ROUTER_PROVIDERS,
                     {provide: ROUTER_PRIMARY_COMPONENT, useValue: AppCmp},
                     {provide: LocationStrategy, useClass: MockLocationStrategy},
                     {provide: DOCUMENT, useValue: fakeDoc},
                     {provide: Console, useClass: DummyConsole}
                   ])
             .then((applicationRef) => {
               var router = applicationRef.instance.router;
               router.subscribe((_: any /** TODO #9100 */) => {
                 expect(el).toHaveText('outer { hello }');
                 expect(applicationRef.instance.location.path()).toEqual('');
                 async.done();
               });
             });
       }));

    describe('broken app', () => {
      beforeEachProviders(() => [{provide: ROUTER_PRIMARY_COMPONENT, useValue: BrokenAppCmp}]);

      it('should rethrow exceptions from component constructors',
         inject([AsyncTestCompleter, TestComponentBuilder], (async: AsyncTestCompleter, tcb: TestComponentBuilder) => {
           tcb.createAsync(AppCmp).then((fixture) => {
             var router = fixture.debugElement.componentInstance.router;
             PromiseWrapper.catchError(router.navigateByUrl('/cause-error'), (error) => {
               expect(error).toContainError('oops!');
               async.done();
             });
           });
         }));
    });

    describe('back button app', () => {
      beforeEachProviders(() => [{provide: ROUTER_PRIMARY_COMPONENT, useValue: HierarchyAppCmp}]);

      it('should change the url without pushing a new history state for back navigations',
         inject([AsyncTestCompleter, TestComponentBuilder], (async: AsyncTestCompleter, tcb: TestComponentBuilder) => {

           tcb.createAsync(HierarchyAppCmp)
               .then((fixture) => {
                 var router = fixture.debugElement.componentInstance.router;
                 var position = 0;
                 var flipped = false;
                 var history = [
                   ['/parent/child', 'root { parent { hello } }', '/super-parent/child'],
                   ['/super-parent/child', 'root { super-parent { hello2 } }', '/parent/child'],
                   ['/parent/child', 'root { parent { hello } }', false]
                 ];

                 router.subscribe((_: any /** TODO #9100 */) => {
                   var location = fixture.debugElement.componentInstance.location;
                   var element = fixture.debugElement.nativeElement;
                   var path = location.path();

                   var entry = history[position];

                   expect(path).toEqual(entry[0]);
                   expect(element).toHaveText(entry[1]);

                   var nextUrl = entry[2];
                   if (nextUrl == false) {
                     flipped = true;
                   }

                   if (flipped && position == 0) {
                     async.done();
                     return;
                   }

                   position = position + (flipped ? -1 : 1);
                   if (flipped) {
                     location.back();
                   } else {
                     router.navigateByUrl(nextUrl);
                   }
                 });

                 router.navigateByUrl(history[0][0]);
               });
         }), 1000);
    });

    describe('hierarchical app', () => {
      beforeEachProviders(
          () => { return [{provide: ROUTER_PRIMARY_COMPONENT, useValue: HierarchyAppCmp}]; });
//.........这里部分代码省略.........

  describe('link', () => {
    let parser = new DefaultRouterUrlSerializer();

    it("should return the original tree when given an empty array", () => {
      let p = parser.parse("/");
      let tree = s(p.root);
      let t = link(tree.root, tree, p, []);
      expect(t).toBe(p);
    });

    it("should support going to root", () => {
      let p = parser.parse("/");
      let tree = s(p.root);
      let t = link(tree.root, tree, p, ["/"]);
      expect(parser.serialize(t)).toEqual("");
    });

    it("should support positional params", () => {
      let p = parser.parse("/a/b");
      let tree = s(p.firstChild(p.root));
      let t = link(tree.root, tree, p, ["/one", 11, "two", 22]);
      expect(parser.serialize(t)).toEqual("/one/11/two/22");
    });

    it("should preserve route siblings when changing the main route", () => {
      let p = parser.parse("/a/11/b(c)");
      let tree = s(p.root);
      let t = link(tree.root, tree, p, ["/a", 11, 'd']);
      expect(parser.serialize(t)).toEqual("/a/11/d(aux:c)");
    });

    it("should preserve route siblings when changing a aux route", () => {
      let p = parser.parse("/a/11/b(c)");
      let tree = s(p.root);
      let t = link(tree.root, tree, p, ["/a", 11, 'aux:d']);
      expect(parser.serialize(t)).toEqual("/a/11/b(aux:d)");
    });

    it('should update parameters', () => {
      let p = parser.parse("/a;aa=11");
      let tree = s(p.root);
      let t = link(tree.root, tree, p, ["/a", {aa: 22, bb: 33}]);
      expect(parser.serialize(t)).toEqual("/a;aa=22;bb=33");
    });

    it("should update relative subtree (when starts with ./)", () => {
      let p = parser.parse("/a(ap)/c(cp)");
      let c = p.firstChild(p.root);
      let tree = s(c);
      let t = link(tree.root, tree, p, ["./c2"]);
      expect(parser.serialize(t)).toEqual("/a(aux:ap)/c2(aux:cp)");
    });

    it("should update relative subtree (when does not start with ./)", () => {
      let p = parser.parse("/a(ap)/c(cp)");
      let c = p.firstChild(p.root);
      let tree = s(c);
      let t = link(tree.root, tree, p, ["c2"]);
      expect(parser.serialize(t)).toEqual("/a(aux:ap)/c2(aux:cp)");
    });

    it("should update relative subtree when the provided segment doesn't have url segments", () => {
      let p = parser.parse("/a(ap)/c(cp)");
      let c = p.firstChild(p.root);

      let child = new RouteSegment([], null, null, null, null);
      let root = new TreeNode<RouteSegment>(new RouteSegment([c], {}, null, null, null),
                                            [new TreeNode<RouteSegment>(child, [])]);
      let tree = new RouteTree(root);

      let t = link(child, tree, p, ["./c2"]);
      expect(parser.serialize(t)).toEqual("/a(aux:ap)/c2(aux:cp)");
    });
  });

    describe('validator', () => {
      it('should run validator with the initial value', () => {
        const c = new FormControl('value', Validators.required);
        expect(c.valid).toEqual(true);
      });

      it('should rerun the validator when the value changes', () => {
        const c = new FormControl('value', Validators.required);
        c.setValue(null);
        expect(c.valid).toEqual(false);
      });

      it('should support arrays of validator functions if passed', () => {
        const c = new FormControl('value', [Validators.required, Validators.minLength(3)]);
        c.setValue('a');
        expect(c.valid).toEqual(false);

        c.setValue('aaa');
        expect(c.valid).toEqual(true);
      });

      it('should return errors', () => {
        const c = new FormControl(null, Validators.required);
        expect(c.errors).toEqual({'required': true});
      });

      it('should set single validator', () => {
        const c = new FormControl(null);
        expect(c.valid).toEqual(true);

        c.setValidators(Validators.required);

        c.setValue(null);
        expect(c.valid).toEqual(false);

        c.setValue('abc');
        expect(c.valid).toEqual(true);
      });

      it('should set multiple validators from array', () => {
        const c = new FormControl('');
        expect(c.valid).toEqual(true);

        c.setValidators([Validators.minLength(5), Validators.required]);

        c.setValue('');
        expect(c.valid).toEqual(false);

        c.setValue('abc');
        expect(c.valid).toEqual(false);

        c.setValue('abcde');
        expect(c.valid).toEqual(true);
      });

      it('should clear validators', () => {
        const c = new FormControl('', Validators.required);
        expect(c.valid).toEqual(false);

        c.clearValidators();
        expect(c.validator).toEqual(null);

        c.setValue('');
        expect(c.valid).toEqual(true);
      });

      it('should add after clearing', () => {
        const c = new FormControl('', Validators.required);
        expect(c.valid).toEqual(false);

        c.clearValidators();
        expect(c.validator).toEqual(null);

        c.setValidators([Validators.required]);
        expect(c.validator).not.toBe(null);
      });
    });

    describe('loadTemplate', () => {
      describe('inline template', () => {
        it('should store the template',
           inject([AsyncTestCompleter, DirectiveNormalizer],
                  (async, normalizer: DirectiveNormalizer) => {
                    normalizer.normalizeTemplate(dirType, new CompileTemplateMetadata({
                                                   encapsulation: null,
                                                   template: 'a',
                                                   templateUrl: null,
                                                   styles: [],
                                                   styleUrls: ['test.css'],
                                                   baseUrl: 'package:some/module/a.js'
                                                 }))
                        .then((template: CompileTemplateMetadata) => {
                          expect(template.template).toEqual('a');
                          expect(template.templateUrl).toEqual('package:some/module/a.js');
                          async.done();
                        });
                  }));

        it('should resolve styles on the annotation against the baseUrl',
           inject([AsyncTestCompleter, DirectiveNormalizer],
                  (async, normalizer: DirectiveNormalizer) => {
                    normalizer.normalizeTemplate(dirType, new CompileTemplateMetadata({
                                                   encapsulation: null,
                                                   template: '',
                                                   templateUrl: null,
                                                   styles: [],
                                                   styleUrls: ['test.css'],
                                                   baseUrl: 'package:some/module/a.js'
                                                 }))
                        .then((template: CompileTemplateMetadata) => {
                          expect(template.styleUrls).toEqual(['package:some/module/test.css']);
                          async.done();
                        });
                  }));

        it('should resolve styles in the template against the baseUrl',
           inject([AsyncTestCompleter, DirectiveNormalizer],
                  (async, normalizer: DirectiveNormalizer) => {
                    normalizer.normalizeTemplate(dirType, new CompileTemplateMetadata({
                                                   encapsulation: null,
                                                   template: '<style>@import test.css</style>',
                                                   templateUrl: null,
                                                   styles: [],
                                                   styleUrls: [],
                                                   baseUrl: 'package:some/module/a.js'
                                                 }))
                        .then((template: CompileTemplateMetadata) => {
                          expect(template.styleUrls).toEqual(['package:some/module/test.css']);
                          async.done();
                        });
                  }));
      });

      describe('templateUrl', () => {

        it('should load a template from a url that is resolved against baseUrl',
           inject([AsyncTestCompleter, DirectiveNormalizer, XHR],
                  (async, normalizer: DirectiveNormalizer, xhr: MockXHR) => {
                    xhr.expect('package:some/module/sometplurl.html', 'a');
                    normalizer.normalizeTemplate(dirType, new CompileTemplateMetadata({
                                                   encapsulation: null,
                                                   template: null,
                                                   templateUrl: 'sometplurl.html',
                                                   styles: [],
                                                   styleUrls: ['test.css'],
                                                   baseUrl: 'package:some/module/a.js'
                                                 }))
                        .then((template: CompileTemplateMetadata) => {
                          expect(template.template).toEqual('a');
                          expect(template.templateUrl)
                              .toEqual('package:some/module/sometplurl.html');
                          async.done();
                        });
                    xhr.flush();
                  }));

        it('should resolve styles on the annotation against the baseUrl',
           inject([AsyncTestCompleter, DirectiveNormalizer, XHR],
                  (async, normalizer: DirectiveNormalizer, xhr: MockXHR) => {
                    xhr.expect('package:some/module/tpl/sometplurl.html', '');
                    normalizer.normalizeTemplate(dirType, new CompileTemplateMetadata({
                                                   encapsulation: null,
                                                   template: null,
                                                   templateUrl: 'tpl/sometplurl.html',
                                                   styles: [],
                                                   styleUrls: ['test.css'],
                                                   baseUrl: 'package:some/module/a.js'
                                                 }))
                        .then((template: CompileTemplateMetadata) => {
                          expect(template.styleUrls).toEqual(['package:some/module/test.css']);
                          async.done();
                        });
                    xhr.flush();
                  }));

        it('should resolve styles in the template against the templateUrl',
           inject([AsyncTestCompleter, DirectiveNormalizer, XHR],
                  (async, normalizer: DirectiveNormalizer, xhr: MockXHR) => {
//.........这里部分代码省略.........

  describe('@Component.precompile', function() {
    it('should resolve ComponentFactories from the same component',
       inject(
           [TestComponentBuilder, AsyncTestCompleter],
           (tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
             tcb.createAsync(MainComp).then((compFixture) => {
               let mainComp: MainComp = compFixture.componentInstance;
               expect(compFixture.debugElement.injector.get(ComponentFactoryResolver))
                   .toBe(mainComp.cfr);
               var cf = mainComp.cfr.resolveComponentFactory(ChildComp);
               expect(cf.componentType).toBe(ChildComp);
               async.done();
             });
           }));


    it('should resolve ComponentFactories via ANALYZE_FOR_PRECOMPILE',
       inject([TestComponentBuilder], (tcb: TestComponentBuilder) => {
         let compFixture = tcb.createSync(CompWithAnalyzePrecompileProvider);
         let mainComp: CompWithAnalyzePrecompileProvider = compFixture.componentInstance;
         let cfr: ComponentFactoryResolver =
             compFixture.debugElement.injector.get(ComponentFactoryResolver);
         expect(cfr.resolveComponentFactory(ChildComp).componentType).toBe(ChildComp);
         expect(cfr.resolveComponentFactory(NestedChildComp).componentType).toBe(NestedChildComp);
       }));

    it('should be able to get a component form a parent component (view hiearchy)',
       inject(
           [TestComponentBuilder, AsyncTestCompleter],
           (tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
             tcb.overrideTemplate(MainComp, '<child></child>')
                 .createAsync(MainComp)
                 .then((compFixture) => {
                   let childCompEl = compFixture.debugElement.children[0];
                   let childComp: ChildComp = childCompEl.componentInstance;
                   // declared on ChildComp directly
                   expect(childComp.cfr.resolveComponentFactory(NestedChildComp).componentType)
                       .toBe(NestedChildComp);
                   // inherited from MainComp
                   expect(childComp.cfr.resolveComponentFactory(ChildComp).componentType)
                       .toBe(ChildComp);
                   async.done();
                 });
           }));

    it('should not be able to get components from a parent component (content hierarchy)',
       inject(
           [TestComponentBuilder, AsyncTestCompleter],
           (tcb: TestComponentBuilder, async: AsyncTestCompleter) => {
             tcb.overrideTemplate(MainComp, '<child><nested></nested></child>')
                 .overrideTemplate(ChildComp, '<ng-content></ng-content>')
                 .createAsync(MainComp)
                 .then((compFixture) => {
                   let nestedChildCompEl = compFixture.debugElement.children[0].children[0];
                   let nestedChildComp: NestedChildComp = nestedChildCompEl.componentInstance;
                   expect(nestedChildComp.cfr.resolveComponentFactory(ChildComp).componentType)
                       .toBe(ChildComp);
                   expect(() => nestedChildComp.cfr.resolveComponentFactory(NestedChildComp))
                       .toThrow(new NoComponentFactoryError(NestedChildComp));
                   async.done();
                 });
           }));

  });

describe('reflector_host', () => {
  var context: MockContext;
  var host: ts.CompilerHost;
  var program: ts.Program;
  var reflectorNestedGenDir: ReflectorHost;
  var reflectorSiblingGenDir: ReflectorHost;

  beforeEach(() => {
    context = new MockContext('/tmp/src', clone(FILES));
    host = new MockCompilerHost(context);
    program = ts.createProgram(
        ['main.ts'], {
          module: ts.ModuleKind.CommonJS,
        },
        host);
    // Force a typecheck
    let errors = program.getSemanticDiagnostics();
    if (errors && errors.length) {
      throw new Error('Expected no errors');
    }
    reflectorNestedGenDir = new ReflectorHost(
        program, host, {
          genDir: '/tmp/project/src/gen',
          basePath: '/tmp/project/src',
          skipMetadataEmit: false,
          skipTemplateCodegen: false,
          trace: false
        },
        context);
    reflectorSiblingGenDir = new ReflectorHost(
        program, host, {
          genDir: '/tmp/project/gen',
          basePath: '/tmp/project/src',
          skipMetadataEmit: false,
          skipTemplateCodegen: false,
          trace: false
        },
        context);
  });

  describe('nestedGenDir', () => {
    it('should import node_module from factory', () => {
      expect(reflectorNestedGenDir.getImportPath(
                 '/tmp/project/src/gen/my.ngfactory.ts',
                 '/tmp/project/node_modules/@angular/core.d.ts'))
          .toEqual('@angular/core');
    });

    it('should import factory from factory', () => {
      expect(reflectorNestedGenDir.getImportPath(
                 '/tmp/project/src/my.ngfactory.ts', '/tmp/project/src/my.other.ngfactory.ts'))
          .toEqual('./my.other.ngfactory');
      expect(reflectorNestedGenDir.getImportPath(
                 '/tmp/project/src/a/my.ngfactory.ts', '/tmp/project/src/my.other.css.ts'))
          .toEqual('../my.other.css');
      expect(reflectorNestedGenDir.getImportPath(
                 '/tmp/project/src/my.ngfactory.ts', '/tmp/project/src/a/my.other.css.shim.ts'))
          .toEqual('./a/my.other.css.shim');
    });

    it('should import application from factory', () => {
      expect(reflectorNestedGenDir.getImportPath(
                 '/tmp/project/src/my.ngfactory.ts', '/tmp/project/src/my.other.ts'))
          .toEqual('../my.other');
      expect(reflectorNestedGenDir.getImportPath(
                 '/tmp/project/src/a/my.ngfactory.ts', '/tmp/project/src/my.other.ts'))
          .toEqual('../../my.other');
      expect(reflectorNestedGenDir.getImportPath(
                 '/tmp/project/src/my.ngfactory.ts', '/tmp/project/src/a/my.other.ts'))
          .toEqual('../a/my.other');
    });
  });

  describe('nestedGenDir', () => {
    it('should import node_module from factory', () => {
      expect(reflectorSiblingGenDir.getImportPath(
                 '/tmp/project/src/gen/my.ngfactory.ts',
                 '/tmp/project/node_modules/@angular/core.d.ts'))
          .toEqual('@angular/core');
    });

    it('should import factory from factory', () => {
      expect(reflectorSiblingGenDir.getImportPath(
                 '/tmp/project/src/my.ngfactory.ts', '/tmp/project/src/my.other.ngfactory.ts'))
          .toEqual('./my.other.ngfactory');
      expect(reflectorSiblingGenDir.getImportPath(
                 '/tmp/project/src/a/my.ngfactory.ts', '/tmp/project/src/my.other.css.ts'))
          .toEqual('../my.other.css');
      expect(reflectorSiblingGenDir.getImportPath(
                 '/tmp/project/src/my.ngfactory.ts', '/tmp/project/src/a/my.other.css.shim.ts'))
          .toEqual('./a/my.other.css.shim');
    });

    it('should import application from factory', () => {
      expect(reflectorSiblingGenDir.getImportPath(
                 '/tmp/project/src/my.ngfactory.ts', '/tmp/project/src/my.other.ts'))
          .toEqual('./my.other');
      expect(reflectorSiblingGenDir.getImportPath(
                 '/tmp/project/src/a/my.ngfactory.ts', '/tmp/project/src/my.other.ts'))
          .toEqual('../my.other');
//.........这里部分代码省略.........

  describe('DatePipe', () => {
    var date: Date;
    var pipe: DatePipe;

    // TODO: reactivate the disabled expectations once emulators are fixed in SauceLabs
    // In some old versions of Chrome in Android emulators, time formatting returns dates in the
    // timezone of the VM host,
    // instead of the device timezone. Same symptoms as
    // https://bugs.chromium.org/p/chromium/issues/detail?id=406382
    // This happens locally and in SauceLabs, so some checks are disabled to avoid failures.
    // Tracking issue: https://github.com/angular/angular/issues/11187

    beforeEach(() => {
      date = DateWrapper.create(2015, 6, 15, 9, 3, 1);
      pipe = new DatePipe('en-US');
    });

    it('should be marked as pure',
       () => { expect(new PipeResolver().resolve(DatePipe).pure).toEqual(true); });

    describe('supports', () => {
      it('should support date', () => { expect(() => pipe.transform(date)).not.toThrow(); });
      it('should support int', () => { expect(() => pipe.transform(123456789)).not.toThrow(); });
      it('should support numeric strings',
         () => { expect(() => pipe.transform('123456789')).not.toThrow(); });

      it('should support decimal strings',
         () => { expect(() => pipe.transform('123456789.11')).not.toThrow(); });

      it('should support ISO string',
         () => { expect(() => pipe.transform('2015-06-15T21:43:11Z')).not.toThrow(); });

      it('should not support other objects', () => {
        expect(() => pipe.transform({})).toThrow();
        expect(() => pipe.transform('')).toThrow();
      });
    });

    describe('transform', () => {
      it('should format each component correctly', () => {
        expect(pipe.transform(date, 'y')).toEqual('2015');
        expect(pipe.transform(date, 'yy')).toEqual('15');
        expect(pipe.transform(date, 'M')).toEqual('6');
        expect(pipe.transform(date, 'MM')).toEqual('06');
        expect(pipe.transform(date, 'MMM')).toEqual('Jun');
        expect(pipe.transform(date, 'MMMM')).toEqual('June');
        expect(pipe.transform(date, 'd')).toEqual('15');
        expect(pipe.transform(date, 'E')).toEqual('Mon');
        expect(pipe.transform(date, 'EEEE')).toEqual('Monday');
        if (!browserDetection.isOldChrome) {
          expect(pipe.transform(date, 'h')).toEqual('9');
          expect(pipe.transform(date, 'hh')).toEqual('09');
          expect(pipe.transform(date, 'j')).toEqual('9 AM');
        }
        // IE and Edge can't format a date to minutes and seconds without hours
        if (!browserDetection.isEdge && !browserDetection.isIE ||
            !browserDetection.supportsNativeIntlApi) {
          if (!browserDetection.isOldChrome) {
            expect(pipe.transform(date, 'HH')).toEqual('09');
          }
          expect(pipe.transform(date, 'm')).toEqual('3');
          expect(pipe.transform(date, 's')).toEqual('1');
          expect(pipe.transform(date, 'mm')).toEqual('03');
          expect(pipe.transform(date, 'ss')).toEqual('01');
        }
        expect(pipe.transform(date, 'Z')).toBeDefined();
      });

      it('should format common multi component patterns', () => {
        expect(pipe.transform(date, 'E, M/d/y')).toEqual('Mon, 6/15/2015');
        expect(pipe.transform(date, 'E, M/d')).toEqual('Mon, 6/15');
        expect(pipe.transform(date, 'MMM d')).toEqual('Jun 15');
        expect(pipe.transform(date, 'dd/MM/yyyy')).toEqual('15/06/2015');
        expect(pipe.transform(date, 'MM/dd/yyyy')).toEqual('06/15/2015');
        expect(pipe.transform(date, 'yMEd')).toEqual('20156Mon15');
        expect(pipe.transform(date, 'MEd')).toEqual('6Mon15');
        expect(pipe.transform(date, 'MMMd')).toEqual('Jun15');
        expect(pipe.transform(date, 'yMMMMEEEEd')).toEqual('Monday, June 15, 2015');
        // IE and Edge can't format a date to minutes and seconds without hours
        if (!browserDetection.isEdge && !browserDetection.isIE ||
            !browserDetection.supportsNativeIntlApi) {
          expect(pipe.transform(date, 'ms')).toEqual('31');
        }
        if (!browserDetection.isOldChrome) {
          expect(pipe.transform(date, 'jm')).toEqual('9:03 AM');
        }
      });

      it('should format with pattern aliases', () => {
        if (!browserDetection.isOldChrome) {
          // IE and Edge do not add a coma after the year in these 2 cases
          if ((browserDetection.isEdge || browserDetection.isIE) &&
              browserDetection.supportsNativeIntlApi) {
            expect(pipe.transform(date, 'medium')).toEqual('Jun 15, 2015 9:03:01 AM');
            expect(pipe.transform(date, 'short')).toEqual('6/15/2015 9:03 AM');
          } else {
            expect(pipe.transform(date, 'medium')).toEqual('Jun 15, 2015, 9:03:01 AM');
            expect(pipe.transform(date, 'short')).toEqual('6/15/2015, 9:03 AM');
          }
        }
//.........这里部分代码省略.........