test

__tests__/App.test.jsx

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+// src/__ tests __/App.test.tsx
+
+import { expect, test } from "vitest";
+import { render } from "@testing-library/react";
+import App from "../src/App.jsx";
+import { BrowserRouter } from "react-router-dom";
+
+test("demo", () => {
+  expect(true).toBe(true);
+});
+
+test("Renders the main page", () => {
+  render(
+    <BrowserRouter>
+      <App />
+    </BrowserRouter>,
+  );
+  expect(true).toBeTruthy();
+});

__tests__/pages/authenticated/Login.test.jsx

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+import { describe, it, expect, beforeEach, vi, afterEach } from "vitest";
+import { render, fireEvent, screen, cleanup } from "@testing-library/react";
+import { Login } from "../../../src/pages/index.js";
+import { AuthenticationContext } from "../../../src/contexts/index.js";
+
+describe("Login Component", () => {
+  let loginFunction;
+
+  beforeEach(() => {
+    loginFunction = vi.fn(); // Mock login function
+    render(
+      <AuthenticationContext.Provider value={{ login: loginFunction }}>
+        <Login />
+      </AuthenticationContext.Provider>,
+    );
+  });
+
+  afterEach(() => {
+    cleanup();
+  });
+
+  it("renders without errors", () => {
+    expect(screen.getByText("Login page")).toBeTruthy();
+  });
+
+  it("allows entering a username and password", () => {
+    fireEvent.change(screen.getByPlaceholderText("username"), {
+      target: { value: "testuser" },
+    });
+    fireEvent.change(screen.getByPlaceholderText("password"), {
+      target: { value: "password123" },
+    });
+
+    expect(screen.getByPlaceholderText("username").value).toBe("testuser");
+    expect(screen.getByPlaceholderText("password").value).toBe("password123");
+  });
+
+  it("handles submit event", async () => {
+    fireEvent.change(screen.getByPlaceholderText("username"), {
+      target: { value: "testuser" },
+    });
+    fireEvent.change(screen.getByPlaceholderText("password"), {
+      target: { value: "password123" },
+    });
+    fireEvent.click(screen.getByText("submit"));
+
+    expect(loginFunction).toHaveBeenCalledWith("testuser", "password123");
+  });
+
+  //TODO add more tests please :)
+});