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我正在为使用 Jasmine 包装可观察调用的 Promise 编写 Angular 单元测试用例。我无法模拟这个承诺来测试它。

零件

ngOnInit(){
 this.getOrder().then(
        () => {
            this.getShippingAddress();
        });
}

private getOrder() {        
    var promise = new Promise((resolve, reject) => {
        this.orderService.getOrder(this.orderOfferId)
            .subscribe(
            res => {
               // This part is not executed from Test
                var result: IOrderViewData = this.utilities.resolveJsonReferences(res);
                this.viewData = result;
                if (this.viewData.orderDate < this.today) {
                    this.message = "Order cannot be in the past";
                }                   
                resolve();
            },
            err => {                  
                reject();
            });
    });
    return promise;
}

private getShippingAddress() {        
  return  this.communicationService.getShippingAddress(this.orderOfferId);
}

测试

    it('Should validate the order date given the date is in past', (done) => {
        orderMockViewData.orderDate = new Date(2017,10,22);

        let orderSpy = spyOn(orderService, "getOrder").and.returnValue(Observable.of(orderMockViewData));
        let addressSpy = spyOn(communicationService, "getShippingAddress").and.returnValue(Observable.of(shippingMockViewData));
        fixture.detectChanges();

        fixture.whenStable().then(() => {
            expect(orderSpy).toHaveBeenCalledWith("order/d371abcb-a935-4f85-bcca-baa0bf32e1ac"); // SUCCESS
            expect(addressSpy).toHaveBeenCalledWith("address/d371abcb-a935-4f85-bcca-baa0bf32e1ac"); // FAILED
            expect(componentInstance.message).toEqual("Order cannot be in the past"); // FAILED
            done();
        });

    });

问题

我可以看到 orderSpy 被调用，因为它是使用 Observable 设置的。的。但是对communicationService 的调用并没有发生，因为它是在promise 中解决的。

有没有人帮助我模拟我需要测试承诺和可观察组合的事情？

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0 回答 0