test: add useDispatch test

Author: crutchcorn

projects/angular-redux/src/tests/use-dispatch.spec.ts

@@ -0,0 +1,28 @@
+import { createStore } from 'redux'
+import {
+  injectDispatch, provideRedux
+} from '../public-api'
+import {Component} from "@angular/core";
+import {render} from "@testing-library/angular";
+
+const store = createStore((c: number = 1): number => c + 1)
+const store2 = createStore((c: number = 1): number => c + 2)
+
+describe('injectDispatch', () => {
+  it("returns the store's dispatch function", async () => {
+    @Component({
+      selector: "app-root",
+      standalone: true,
+      template: "<p></p>"
+    })
+    class Testing {
+      dispatch = injectDispatch();
+    }
+
+    const result = await render(Testing, {
+      providers: [provideRedux({store})]
+    })
+
+    expect(result.fixture.componentRef.instance.dispatch).toBe(store.dispatch)
+  })
+})