docs: add test case for #491 (#494)

apps/example-app-karma/src/app/issues/issue-491.spec.ts

@@ -0,0 +1,57 @@
+import { Component } from '@angular/core';
+import { Router } from '@angular/router';
+import { render, screen, waitForElementToBeRemoved } from '@testing-library/angular';
+import userEvent from '@testing-library/user-event';
+
+it('test click event with router.navigate', async () => {
+  const user = userEvent.setup();
+  await render(`<router-outlet></router-outlet>`, {
+    routes: [
+      {
+        path: '',
+        component: LoginComponent,
+      },
+      {
+        path: 'logged-in',
+        component: LoggedInComponent,
+      },
+    ],
+  });
+
+  expect(await screen.findByRole('heading', { name: 'Login' })).toBeVisible();
+  expect(screen.getByRole('button', { name: 'submit' })).toBeInTheDocument();
+
+  const email = screen.getByRole('textbox', { name: 'email' });
+  const password = screen.getByLabelText('password');
+
+  await user.type(email, '[email protected]');
+  await user.type(password, 'with_valid_password');
+
+  expect(screen.getByRole('button', { name: 'submit' })).toBeEnabled();
+
+  await user.click(screen.getByRole('button', { name: 'submit' }));
+
+  await waitForElementToBeRemoved(() => screen.queryByRole('heading', { name: 'Login' }));
+
+  expect(await screen.findByRole('heading', { name: 'Logged In' })).toBeVisible();
+});
+
+@Component({
+  template: `
+    <h1>Login</h1>
+    <button type="submit" (click)="onSubmit()">submit</button>
+    <input type="email" aria-label="email" />
+    <input type="password" aria-label="password" />
+  `,
+})
+class LoginComponent {
+  constructor(private router: Router) {}
+  onSubmit(): void {
+    this.router.navigate(['logged-in']);
+  }
+}
+
+@Component({
+  template: ` <h1>Logged In</h1> `,
+})
+class LoggedInComponent {}