Angular 5 Jasmine Error: Expected one matching request for criteria found none

Question

I have a very simple service call and a jasmine test for it.

Service call:

myServiceCall(testId: number) : void {
    const url = `${this.url}/param         


        

Answer 1

You should have your test inside a fakeAsync and call tick() at the end of your test. like

it('should call myServiceCall', inject([MyService], fakeAsync((service: MyService) => {
    let testId = undefined;
    service.myServiceCall(testId);
    let req = httpMock.expectOne(environment.baseUrl + "/paramX/123");

    expect(req.request.url).toBe(environment.baseUrl + "/paramX/123");
    expect(req.request.body).toEqual({});

    req.flush({});
    httpMock.verify();
    tick();

})));