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import {
Component,
Injector,
input,
provideZonelessChangeDetection,
signal,
} from '@angular/core'
import { TestBed } from '@angular/core/testing'
import { afterEach, beforeEach, describe, expect, test, vi } from 'vitest'
import { By } from '@angular/platform-browser'
import { sleep } from '@tanstack/query-test-utils'
import {
QueryClient,
injectMutation,
injectMutationState,
provideTanStackQuery,
} from '..'
import { setFixtureSignalInputs } from './test-utils'
describe('injectMutationState', () => {
let queryClient: QueryClient
beforeEach(() => {
queryClient = new QueryClient()
vi.useFakeTimers()
TestBed.configureTestingModule({
providers: [
provideZonelessChangeDetection(),
provideTanStackQuery(queryClient),
],
})
})
afterEach(() => {
vi.useRealTimers()
})
describe('injectMutationState', () => {
test('should return variables after calling mutate 1', () => {
const mutationKey = ['mutation']
const variables = 'foo123'
const mutation = TestBed.runInInjectionContext(() => {
return injectMutation(() => ({
mutationKey: mutationKey,
mutationFn: (params: string) => sleep(0).then(() => params),
}))
})
mutation.mutate(variables)
const mutationState = TestBed.runInInjectionContext(() => {
return injectMutationState(() => ({
filters: { mutationKey, status: 'pending' },
select: (m) => m.state.variables,
}))
})
expect(mutationState()).toEqual([variables])
})
test('reactive options should update injectMutationState', () => {
const mutationKey1 = ['mutation1']
const mutationKey2 = ['mutation2']
const variables1 = 'foo123'
const variables2 = 'bar234'
const [mutation1, mutation2] = TestBed.runInInjectionContext(() => {
return [
injectMutation(() => ({
mutationKey: mutationKey1,
mutationFn: (params: string) => sleep(0).then(() => params),
})),
injectMutation(() => ({
mutationKey: mutationKey2,
mutationFn: (params: string) => sleep(0).then(() => params),
})),
]
})
mutation1.mutate(variables1)
mutation2.mutate(variables2)
const filterKey = signal(mutationKey1)
const mutationState = TestBed.runInInjectionContext(() => {
return injectMutationState(() => ({
filters: { mutationKey: filterKey(), status: 'pending' },
select: (m) => m.state.variables,
}))
})
expect(mutationState()).toEqual([variables1])
filterKey.set(mutationKey2)
expect(mutationState()).toEqual([variables2])
})
test('should return variables after calling mutate 2', () => {
queryClient.clear()
const mutationKey = ['mutation']
const variables = 'bar234'
const mutation = TestBed.runInInjectionContext(() => {
return injectMutation(() => ({
mutationKey: mutationKey,
mutationFn: (params: string) => sleep(0).then(() => params),
}))
})
mutation.mutate(variables)
const mutationState = TestBed.runInInjectionContext(() => {
return injectMutationState()
})
expect(mutationState()[0]?.variables).toEqual(variables)
})
test('should support required signal inputs', async () => {
queryClient.clear()
const fakeName = 'name1'
const mutationKey1 = ['fake', fakeName]
const mutations = TestBed.runInInjectionContext(() => {
return [
injectMutation(() => ({
mutationKey: mutationKey1,
mutationFn: () => sleep(10).then(() => 'myValue'),
})),
injectMutation(() => ({
mutationKey: mutationKey1,
mutationFn: () =>
sleep(10).then(() => Promise.reject(new Error('myValue2'))),
})),
]
})
mutations.forEach((mutation) => mutation.mutate())
@Component({
selector: 'app-fake',
template: `
@for (mutation of mutationState(); track $index) {
<span>{{ mutation.status }}</span>
}
`,
standalone: true,
})
class FakeComponent {
name = input.required<string>()
mutationState = injectMutationState(() => ({
filters: {
mutationKey: ['fake', this.name()],
exact: true,
},
}))
}
const fixture = TestBed.createComponent(FakeComponent)
const { debugElement } = fixture
setFixtureSignalInputs(fixture, { name: fakeName })
await vi.advanceTimersByTimeAsync(0)
let spans = debugElement
.queryAll(By.css('span'))
.map((span) => span.nativeNode.textContent)
expect(spans).toEqual(['pending', 'pending'])
await vi.advanceTimersByTimeAsync(11)
fixture.detectChanges()
spans = debugElement
.queryAll(By.css('span'))
.map((span) => span.nativeNode.textContent)
expect(spans).toEqual(['success', 'error'])
})
describe('injection context', () => {
test('throws NG0203 with descriptive error outside injection context', () => {
expect(() => {
injectMutationState()
}).toThrowError(/NG0203(.*?)injectMutationState/)
})
test('can be used outside injection context when passing an injector', () => {
const injector = TestBed.inject(Injector)
expect(
injectMutationState(undefined, {
injector,
}),
).not.toThrow()
})
})
})
})
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