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Adding my test definitions fo Counter.test.js #96

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Adding my test definitions fo Counter.test.js #96

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23 changes: 22 additions & 1 deletion src/tests/Counter.test.js
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Original file line number Diff line number Diff line change
@@ -1,22 +1,43 @@
// import necessary react testing library helpers here
import React from 'react';
import { render, screen, fireEvent } from '@testing-library/react';

// import the Counter component here
import Counter from '../components/Counter'

beforeEach(() => {
// Render the Counter component here
})
render(<Counter />);
});

test('renders counter message', () => {
// Complete the unit test below based on the objective in the line above
const counterDisplay = screen.getByText(/Counter/i);
expect(counterDisplay).toBeInTheDocument();
});

test('should render initial count with value of 0', () => {
// Complete the unit test below based on the objective in the line above
const zeroed = screen.getByTestId('count');
expect(zeroed.textContent).toBe('0');
});

test('clicking + increments the count', () => {
// Complete the unit test below based on the objective in the line above
const showCount = screen.getByTestId('count');
const clickPlus = screen.getByText('+');
fireEvent.click(clickPlus);
expect(showCount.textContent).toBe('1');
fireEvent.click(clickPlus);
expect(showCount.textContent).toBe('2');
});

test('clicking - decrements the count', () => {
// Complete the unit test below based on the objective in the line above
const showCount = screen.getByTestId('count');
const clickMinus = screen.getByText('-');
fireEvent.click(clickMinus);
expect(showCount.textContent).toBe('-1');
fireEvent.click(clickMinus);
expect(showCount.textContent).toBe('-2');
});