test commit

Author: reactionic127

.theia/settings.json

@@ -0,0 +1,4 @@
+{
+    "editor.autoSave": "on",
+    "typescript.tsdk": "node_modules/typescript/lib"
+}

src/App.test.tsx

@@ -2,8 +2,13 @@ import React from 'react';
 import { render, screen } from '@testing-library/react';
 import App from './App';
 
-test('renders learn react link', () => {
-  render(<App />);
-  const linkElement = screen.getByText(/learn react/i);
-  expect(linkElement).toBeInTheDocument();
-});
+describe('<App />', () => {
+  test('render elements without any problem', () => {
+    render(<App />);
+    const wrapper = screen.getByTestId('app-wrapper');
+    expect(wrapper).toBeInTheDocument();
+
+    const input = screen.getByTestId('app-input');
+    expect(input).toBeInTheDocument();
+  });
+})

src/App.tsx

@@ -1,24 +1,21 @@
-import React from 'react';
+import React, { useState } from 'react';
 import logo from './logo.svg';
 import './App.css';
 
 function App() {
+  const [text, setText] = useState('');
+
+  const updateState = (event: any) => {
+    setText(event.target.value)
+  }
+
   return (
-    <div className="App">
-      <header className="App-header">
-        <img src={logo} className="App-logo" alt="logo" />
-        <p>
-          Edit <code>src/App.tsx</code> and save to reload.
-        </p>
-        <a
-          className="App-link"
-          href="https://reactjs.org"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Learn React
-        </a>
-      </header>
+    <div data-testid="app-wrapper">
+      <input
+        onChange={(event) => updateState(event)}
+        type="text"
+        data-testid="app-input"
+      />
     </div>
   );
 }