chore(angular-query): add injection context tests (#7993)

Author: arnoud-dv

packages/angular-query-experimental/src/__tests__/inject-infinite-query.test.ts

@@ -1,5 +1,6 @@
 import { TestBed } from '@angular/core/testing'
 import { afterEach } from 'vitest'
+import { Injector } from '@angular/core'
 import { QueryClient, injectInfiniteQuery, provideAngularQuery } from '..'
 import { expectSignals, infiniteFetcher } from './test-utils'
 
@@ -59,4 +60,31 @@ describe('injectInfiniteQuery', () => {
       status: 'success',
     })
   })
+
+  describe('injection context', () => {
+    test('throws NG0203 with descriptive error outside injection context', () => {
+      expect(() => {
+        injectInfiniteQuery(() => ({
+          queryKey: ['injectionContextError'],
+          queryFn: infiniteFetcher,
+          initialPageParam: 0,
+          getNextPageParam: () => 12,
+        }))
+      }).toThrowError(/NG0203(.*?)injectInfiniteQuery/)
+    })
+
+    test('can be used outside injection context when passing an injector', () => {
+      const query = injectInfiniteQuery(
+        () => ({
+          queryKey: ['manualInjector'],
+          queryFn: infiniteFetcher,
+          initialPageParam: 0,
+          getNextPageParam: () => 12,
+        }),
+        TestBed.inject(Injector),
+      )
+
+      expect(query.status()).toBe('pending')
+    })
+  })
 })

packages/angular-query-experimental/src/__tests__/inject-is-fetching.test.ts

@@ -1,5 +1,6 @@
 import { TestBed, fakeAsync, flush, tick } from '@angular/core/testing'
 import { beforeEach, describe, expect } from 'vitest'
+import { Injector } from '@angular/core'
 import {
   QueryClient,
   injectIsFetching,
@@ -34,4 +35,18 @@ describe('injectIsFetching', () => {
     flush()
     expect(isFetching()).toStrictEqual(0)
   }))
+
+  describe('injection context', () => {
+    test('throws NG0203 with descriptive error outside injection context', () => {
+      expect(() => {
+        injectIsFetching()
+      }).toThrowError(/NG0203(.*?)injectIsFetching/)
+    })
+
+    test('can be used outside injection context when passing an injector', () => {
+      expect(
+        injectIsFetching(undefined, TestBed.inject(Injector)),
+      ).not.toThrow()
+    })
+  })
 })

packages/angular-query-experimental/src/__tests__/inject-is-mutating.test.ts

@@ -1,5 +1,6 @@
 import { beforeEach, describe } from 'vitest'
 import { TestBed, fakeAsync, tick } from '@angular/core/testing'
+import { Injector } from '@angular/core'
 import {
   QueryClient,
   injectIsMutating,
@@ -38,4 +39,18 @@ describe('injectIsMutating', () => {
       expect(isMutating()).toBe(1)
     })
   }))
+
+  describe('injection context', () => {
+    test('throws NG0203 with descriptive error outside injection context', () => {
+      expect(() => {
+        injectIsMutating()
+      }).toThrowError(/NG0203(.*?)injectIsMutating/)
+    })
+
+    test('can be used outside injection context when passing an injector', () => {
+      expect(
+        injectIsMutating(undefined, TestBed.inject(Injector)),
+      ).not.toThrow()
+    })
+  })
 })

packages/angular-query-experimental/src/__tests__/inject-mutation-state.test.ts

@@ -1,4 +1,4 @@
-import { Component, input, signal } from '@angular/core'
+import { Component, Injector, input, signal } from '@angular/core'
 import { TestBed } from '@angular/core/testing'
 import { describe, expect, test, vi } from 'vitest'
 import { By } from '@angular/platform-browser'
@@ -173,5 +173,22 @@ describe('injectMutationState', () => {
 
       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()
+      })
+    })
   })
 })

packages/angular-query-experimental/src/__tests__/inject-mutation.test.ts

@@ -1,4 +1,11 @@
-import { Component, Injectable, inject, input, signal } from '@angular/core'
+import {
+  Component,
+  Injectable,
+  Injector,
+  inject,
+  input,
+  signal,
+} from '@angular/core'
 import { TestBed } from '@angular/core/testing'
 import { describe, expect, vi } from 'vitest'
 import { By } from '@angular/platform-browser'
@@ -494,4 +501,27 @@ describe('injectMutation', () => {
     ).toEqual('test')
     expect(errorSpy).not.toHaveBeenCalled()
   })
+
+  describe('injection context', () => {
+    test('throws NG0203 with descriptive error outside injection context', () => {
+      expect(() => {
+        injectMutation(() => ({
+          mutationKey: ['injectionContextError'],
+          mutationFn: () => Promise.resolve(),
+        }))
+      }).toThrowError(/NG0203(.*?)injectMutation/)
+    })
+
+    test('can be used outside injection context when passing an injector', () => {
+      expect(() => {
+        injectMutation(
+          () => ({
+            mutationKey: ['injectionContextError'],
+            mutationFn: () => Promise.resolve(),
+          }),
+          TestBed.inject(Injector),
+        )
+      }).not.toThrow()
+    })
+  })
 })

packages/angular-query-experimental/src/__tests__/inject-query.test.ts

@@ -618,4 +618,27 @@ describe('injectQuery', () => {
 
     expect(fixture.componentInstance.query.data()).toEqual('test name 2')
   }))
+
+  describe('injection context', () => {
+    test('throws NG0203 with descriptive error outside injection context', () => {
+      expect(() => {
+        injectQuery(() => ({
+          queryKey: ['injectionContextError'],
+          queryFn: simpleFetcher,
+        }))
+      }).toThrowError(/NG0203(.*?)injectQuery/)
+    })
+
+    test('can be used outside injection context when passing an injector', () => {
+      const query = injectQuery(
+        () => ({
+          queryKey: ['manualInjector'],
+          queryFn: simpleFetcher,
+        }),
+        TestBed.inject(Injector),
+      )
+
+      expect(query.status()).toBe('pending')
+    })
+  })
 })