test: add tests for mitarbeiter functionality

compose.yml

@@ -6,8 +6,6 @@ services:
   postgres-employee:
     container_name: postgres_employee
     image: postgres:13.3
-    volumes:
-      - employee_postgres_data:/var/lib/postgresql/data
     environment:
       POSTGRES_DB: employee_db
       POSTGRES_USER: employee

tests/mitarbeiter.spec.ts

@@ -0,0 +1,37 @@
+import {test, expect} from "@playwright/test";
+
+test.describe('mitarbeiter', () => {
+  test.beforeEach(async ({ page }) => {
+    await page.goto('http://localhost:4200');
+
+    await page.getByRole('button').click();
+    await page.waitForFunction(() => window.location.href.includes('keycloak'));
+    await page.getByLabel('Username or email').fill('user');
+    await page.getByLabel('Password').fill('test');
+    await page.click('#kc-login');
+
+    await page.goto('http://localhost:4200/mitarbeiter');
+  });
+
+  test('ShouldLoad', async ({ page }) => {
+    await expect(page.getByRole('heading')).toHaveText("Employees");
+  });
+
+  test('ShouldLoadEmployees', async ({page}) => {
+    expect(page.getByText('Max')).toBeTruthy();
+  });
+
+  test('AddEmployeeShouldRedirect', async ({page}) => {
+    await page.getByText('Add employee').click();
+
+    expect(page.url()).toContain('mitarbeitererstellen');
+  });
+
+  test('EditShouldRedirectToCorrespondingPage', async ({page}) => {
+    const button = page.getByText('Edit').first();
+    await button.click();
+
+    expect(page.url()).toContain('mitarbeiterbearbeiten');
+    expect(page.url()).toContain('1');
+  });
+});