TypeScript testing_internal.xit函數代碼示例

  describe('run', () => {
    it('should return the body return value from run',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         macroTask(() => { expect(_zone.run(() => 6)).toEqual(6); });

         macroTask(() => { async.done(); });
       }), testTimeout);

    it('should return the body return value from runTask',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         macroTask(() => { expect(_zone.runTask(() => 6)).toEqual(6); });

         macroTask(() => { async.done(); });
       }), testTimeout);

    it('should call onUnstable and onMicrotaskEmpty',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         runNgZoneNoLog(() => macroTask(_log.fn('run')));
         macroTask(() => {
           expect(_log.result()).toEqual('onUnstable; run; onMicrotaskEmpty; onStable');
           async.done();
         });
       }), testTimeout);

    it('should call onStable once at the end of event',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         // The test is set up in a way that causes the zone loop to run onMicrotaskEmpty twice
         // then verified that onStable is only called once at the end

         runNgZoneNoLog(() => macroTask(_log.fn('run')));

         let times = 0;
         _zone.onMicrotaskEmpty.subscribe({
           next: () => {
             times++;
             _log.add(`onMicrotaskEmpty ${times}`);
             if (times < 2) {
               // Scheduling a microtask causes a second digest
               runNgZoneNoLog(() => { scheduleMicroTask(() => {}); });
             }
           }
         });

         macroTask(() => {
           expect(_log.result())
               .toEqual(
                   'onUnstable; run; onMicrotaskEmpty; onMicrotaskEmpty 1; ' +
                   'onMicrotaskEmpty; onMicrotaskEmpty 2; onStable');
           async.done();
         }, resultTimer);
       }), testTimeout);

    it('should call standalone onStable',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         runNgZoneNoLog(() => macroTask(_log.fn('run')));

         macroTask(() => {
           expect(_log.result()).toEqual('onUnstable; run; onMicrotaskEmpty; onStable');
           async.done();
         }, resultTimer);
       }), testTimeout);

    xit('should run subscriber listeners in the subscription zone (outside)',
        inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
          // Each subscriber fires a microtask outside the Angular zone. The test
          // then verifies that those microtasks do not cause additional digests.

          let turnStart = false;
          _zone.onUnstable.subscribe({
            next: () => {
              if (turnStart) throw 'Should not call this more than once';
              _log.add('onUnstable');
              scheduleMicroTask(() => {});
              turnStart = true;
            }
          });

          let turnDone = false;
          _zone.onMicrotaskEmpty.subscribe({
            next: () => {
              if (turnDone) throw 'Should not call this more than once';
              _log.add('onMicrotaskEmpty');
              scheduleMicroTask(() => {});
              turnDone = true;
            }
          });

          let eventDone = false;
          _zone.onStable.subscribe({
            next: () => {
              if (eventDone) throw 'Should not call this more than once';
              _log.add('onStable');
              scheduleMicroTask(() => {});
              eventDone = true;
            }
          });

          macroTask(() => { _zone.run(_log.fn('run')); });

          macroTask(() => {
//.........這裏部分代碼省略.........

  describe('MockBackend', () => {

    let backend: MockBackend;
    let sampleRequest1: Request;
    let sampleResponse1: Response;
    let sampleRequest2: Request;
    let sampleResponse2: Response;

    beforeEach(() => {
      const injector = Injector.create([
        {provide: ResponseOptions, useClass: BaseResponseOptions, deps: []},
        {provide: MockBackend, deps: []}
      ]);
      backend = injector.get(MockBackend);
      const base = new BaseRequestOptions();
      sampleRequest1 =
          new Request(base.merge(new RequestOptions({url: 'https://google.com'})) as any);
      sampleResponse1 = new Response(new ResponseOptions({body: 'response1'}));
      sampleRequest2 =
          new Request(base.merge(new RequestOptions({url: 'https://google.com'})) as any);
      sampleResponse2 = new Response(new ResponseOptions({body: 'response2'}));
    });

    it('should create a new MockBackend', () => { expect(backend).toBeAnInstanceOf(MockBackend); });

    it('should create a new MockConnection', () => {
      expect(backend.createConnection(sampleRequest1)).toBeAnInstanceOf(MockConnection);
    });

    it('should create a new connection and allow subscription', () => {
      const connection: MockConnection = backend.createConnection(sampleRequest1);
      connection.response.subscribe(() => {});
    });

    it('should allow responding after subscription',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         const connection: MockConnection = backend.createConnection(sampleRequest1);
         connection.response.subscribe(() => { async.done(); });
         connection.mockRespond(sampleResponse1);
       }));

    it('should allow subscribing after responding',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         const connection: MockConnection = backend.createConnection(sampleRequest1);
         connection.mockRespond(sampleResponse1);
         connection.response.subscribe(() => { async.done(); });
       }));

    it('should allow responding after subscription with an error',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         const connection: MockConnection = backend.createConnection(sampleRequest1);
         connection.response.subscribe(null !, () => { async.done(); });
         connection.mockError(new Error('nope'));
       }));

    it('should not throw when there are no unresolved requests',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         const connection: MockConnection = backend.createConnection(sampleRequest1);
         connection.response.subscribe(() => { async.done(); });
         connection.mockRespond(sampleResponse1);
         backend.verifyNoPendingRequests();
       }));

    xit('should throw when there are unresolved requests',
        inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
          const connection: MockConnection = backend.createConnection(sampleRequest1);
          connection.response.subscribe(() => { async.done(); });
          backend.verifyNoPendingRequests();
        }));

    it('should work when requests are resolved out of order',
       inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
         const connection1: MockConnection = backend.createConnection(sampleRequest1);
         const connection2: MockConnection = backend.createConnection(sampleRequest1);
         connection1.response.subscribe(() => { async.done(); });
         connection2.response.subscribe(() => {});
         connection2.mockRespond(sampleResponse1);
         connection1.mockRespond(sampleResponse1);
         backend.verifyNoPendingRequests();
       }));

    xit('should allow double subscribing',
        inject([AsyncTestCompleter], (async: AsyncTestCompleter) => {
          const responses: Response[] = [sampleResponse1, sampleResponse2];
          backend.connections.subscribe((c: MockConnection) => c.mockRespond(responses.shift() !));
          const responseObservable: ReplaySubject<Response> =
              backend.createConnection(sampleRequest1).response;
          responseObservable.subscribe(res => expect(res.text()).toBe('response1'));
          responseObservable.subscribe(
              res => expect(res.text()).toBe('response2'), null !, async.done);
        }));

    // TODO(robwormald): readyStates are leaving?
    it('should allow resolution of requests manually', () => {
      const connection1: MockConnection = backend.createConnection(sampleRequest1);
      const connection2: MockConnection = backend.createConnection(sampleRequest1);
      connection1.response.subscribe(() => {});
      connection2.response.subscribe(() => {});
      backend.resolveAllConnections();
      backend.verifyNoPendingRequests();
//.........這裏部分代碼省略.........