it('should use cache', () => {
// Arrange
let interceptors: HttpInterceptor[];
const realRequest = http.request;
spyOn(HttpService.prototype, 'request').and.callFake(function(this: any) {
interceptors = this.interceptors;
return realRequest.apply(this, arguments);
});
// Act
const request = http.cache().get('/toto');
// Assert
request.subscribe(() => {
expect(
interceptors.some(i => i instanceof ApiPrefixInterceptor)
).toBeTruthy();
expect(
interceptors.some(i => i instanceof ErrorHandlerInterceptor)
).toBeTruthy();
expect(
interceptors.some(i => i instanceof CacheInterceptor)
).toBeTruthy();
});
httpMock.expectOne({}).flush({});
});
getRandomQuote(context: RandomQuoteContext): Observable<string> {
return this.httpClient
.cache()
.get(routes.quote(context))
.pipe(
map((body: any) => body.value),
catchError(() => of('Error, could not load joke :-('))
);
}
it('should use cache', () => {
// Act
const request = http.cache().get('/toto');
// Assert
request.subscribe(() => {
expect(interceptors.some(i => i instanceof ApiPrefixInterceptor)).toBeTruthy();
expect(interceptors.some(i => i instanceof ErrorHandlerInterceptor)).toBeTruthy();
expect(interceptors.some(i => i instanceof CacheInterceptor)).toBeTruthy();
});
httpMock.expectOne({}).flush({});
});