72 lines
2.0 KiB
TypeScript
72 lines
2.0 KiB
TypeScript
import React from 'react';
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import { View } from 'react-native';
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import { fireEvent, render } from '@testing-library/react-native';
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import Button from '.';
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const onPressMock = jest.fn();
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const testProps = {
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title: 'Press me!',
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type: 'primary',
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onPress: onPressMock,
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testID: 'testButton',
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initialText: 'Initial text',
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textAfterPress: 'Button pressed!'
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};
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const TestButton = ({ loading = false, disabled = false }) => (
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<View>
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<Button
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title={testProps.title}
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type={testProps.title}
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onPress={testProps.onPress}
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testID={testProps.testID}
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accessibilityLabel={testProps.title}
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disabled={disabled}
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loading={loading}
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/>
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</View>
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);
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describe('ButtonTests', () => {
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test('rendered', async () => {
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const { findByTestId } = render(<TestButton />);
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const Button = await findByTestId(testProps.testID);
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expect(Button).toBeTruthy();
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});
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test('rendered with correct title', async () => {
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const { findByText } = render(<TestButton />);
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const ButtonTitle = await findByText(testProps.title);
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expect(ButtonTitle).toBeTruthy();
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expect(ButtonTitle.props.children).toEqual(testProps.title);
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});
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test('find button using accessibilityLabel', async () => {
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const { findByA11yLabel } = render(<TestButton />);
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const Button = await findByA11yLabel(testProps.title);
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expect(Button).toBeTruthy();
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});
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test('title not visible while loading', async () => {
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const { queryByText } = render(<TestButton loading={true} />);
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const ButtonTitle = await queryByText(testProps.title);
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expect(ButtonTitle).toBeNull();
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});
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test('should not trigger onPress on disabled button', async () => {
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const { findByTestId } = render(<TestButton disabled={true} />);
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const Button = await findByTestId(testProps.testID);
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fireEvent.press(Button);
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expect(onPressMock).not.toHaveBeenCalled();
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});
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test('should trigger onPress function on button press', async () => {
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const { findByTestId } = render(<TestButton />);
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const Button = await findByTestId(testProps.testID);
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fireEvent.press(Button);
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expect(onPressMock).toHaveBeenCalled();
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});
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});
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