Questions tagged [jasmine-marbles]
89 questions
0
votes
1 answer
RxJs Marble testing concatMap with withLatestFrom
How can be unit tested this Observable?
e1.pipe(
concatMap(x => of(x).pipe(withLatestFrom(e2)))
);
Following unit test fails:
it('test', () => {
const e1 = hot( '--1^---2----3-|');
const e2 = hot( …
user1610458
- 311
- 1
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- 18
0
votes
1 answer
How to trigger error and test the method?
I am doing angular service test. it works fine. But I unable to achieve the 100% of testing, since the error function not tested. I tried my best. but not able to come up with 100%. any one help me?
here is my service:
export class…
user2024080
- 1
- 14
- 56
- 96
0
votes
0 answers
Getting an error as `should correctly return` while testing my service using `jasmine-marbles`
I am getting an error as:
TypeError: actual.subscribe is not a function
19 | it('should correctly return', () => {
20 | const expectedValues = cold('--a', {a:[]});
> 21 | …
3gwebtrain
- 14,640
- 25
- 121
- 247
0
votes
1 answer
Unexpected errors testing the ngrx mock store
I think I found a solution, go to the end of the question
I have a simple test with jasmine-marbles and I am getting this error and I do not know what is happening. Any ideas?
Expected $[0].notification.kind = 'E' to equal 'N'.
Expected…
dmance
- 628
- 1
- 8
- 26
0
votes
0 answers
Unit testing with Jasmine Marbles does not cover code in Code Coverage report
When I use Jasmine marbles for unit testing margeMap and switchMap, those specific blocks don't cover in code coverage report.
Is there a way to unit test margeMap and switchMap blocks so that they would be covered in code coverage report?
Sunny
- 25
- 1
- 9
0
votes
1 answer
RxJS testing: marble test confusing case
I'm adding unit testing to my angular/rxjs project, and I'm using the marble test solution. And since I'm using the newer version of rxjs, so I used the build-in "TestScheduler" module.
I'm following this post:…
Chris Bao
- 2,418
- 8
- 35
- 62
0
votes
1 answer
RxJS: why does subscribing makes no difference
Consider the following service example
export class AuthService {
private observableCache: { [key: string]: Observable } = {};
private resourceCache: { [key: string]: boolean } = {};
constructor(private userService: UserService) {…
Majesty
- 2,097
- 5
- 24
- 55
0
votes
1 answer
Is possible test one observable attribute in the service from component
I don't know if this that I want to do is possible, I have one component FiltersComponent and one Service FiltersService.
In FiltersService I have one attribute onFilterChange of type BehaviorSubject. I expose it asObservable and I want to test when…
Rotceh
- 99
- 2
- 14
0
votes
1 answer
Test code inside an rxjs subscription when using jasmine marbles
I want to be able to test the code that runs inside an observable subscription:
function foo(someStream$: Observable) {
someStream$.pipe(
map((x) => x + 3),
).subscribe((result) => {
SomeService.someFunc(result)
})
}
For…
Moo
- 3,369
- 4
- 22
- 41
0
votes
0 answers
How to properly test angular service stream
I'm trying to test a service data stream that looks something like this:
loadHeader() {
this.cbData.fetchHeader()
.pipe(
tap(header => console.log('FIRST: ', header)),
withLatestFrom(this.user.userInfo$),
…
J Price
- 1
- 3
0
votes
1 answer
How to test forkJoin() operator with jasmine-marbles
I created service which is sending data to back-end, data was filled by user in UI. User can also upload any file to send it to back-end too. I am trying to test this functionality with jasmine marbles.
Here is my service code:
export class…
Toms Tumshais
- 333
- 1
- 5
- 15
0
votes
1 answer
How to unit test cancellation of in-flight RXJS requests
I'm using NGRX, and use Effects to send HTTP requests. If a user sends another request, any previous request should be cancelled. It is working fine when I test manually, but I want to be able to unit test this. To test this, I'm mocking the service…
Boland
- 1,531
- 1
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- 42
0
votes
1 answer
RxJS testing catch operator using Jasmine Marbles always fails
I'd like to test that if an observable catches a thrown error from inside one of its operators, I get the expected resulting observable.
The service below returns an observable that throws an error or not depending on its error param.
import {…
chihab
- 31
- 7
-1
votes
1 answer
Figure out rxjs marble tests in Angular
I would like to test a service with the help of marble tests.
The basic service looks like this:
interface User {
name: string;
}
@Injectable({
providedIn: 'root',
})
export class ServiceToTest {
public get user$(): Observable
Alex Janßen
- 41
- 5