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test(component): refactor Alert component tests #650

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merged 2 commits into from
Dec 1, 2021
Merged

test(component): refactor Alert component tests #650

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test(component): refactor Alert component tests
bc-alexsaiannyi Nov 12, 2021
ec4ca01
Merge branch 'master' into bigdesign-635-alert
bc-alexsaiannyi Dec 1, 2021
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78 changes: 46 additions & 32 deletions packages/big-design/src/components/Alert/spec.tsx
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import { theme } from '@bigcommerce/big-design-theme';
import { screen } from '@testing-library/react';
import React from 'react';
import 'jest-styled-components';

Expand All @@ -7,80 +8,92 @@ import { fireEvent, render } from '@test/utils';
import { Alert } from './Alert';

test('render default (success) Alert', () => {
const { container } = render(<Alert messages={[{ text: 'Success' }]} />);
render(<Alert messages={[{ text: 'Success' }]} />);

expect(container.firstChild).toMatchSnapshot();
expect(container.firstChild).toHaveStyle(`border-left: ${theme.spacing.xxSmall} solid ${theme.colors.success}`);
const alert = screen.getByRole('alert');

expect(alert).toMatchSnapshot();
expect(alert).toHaveStyle(`border-left: ${theme.spacing.xxSmall} solid ${theme.colors.success}`);
});

test('render error Alert', () => {
const { container } = render(<Alert messages={[{ text: 'Error' }]} type="error" />);
render(<Alert messages={[{ text: 'Error' }]} type="error" />);

const alert = screen.getByRole('alert');

expect(container.firstChild).toMatchSnapshot();
expect(container.firstChild).toHaveStyle(`border-left: ${theme.spacing.xxSmall} solid ${theme.colors.danger}`);
expect(alert).toMatchSnapshot();
expect(alert).toHaveStyle(`border-left: ${theme.spacing.xxSmall} solid ${theme.colors.danger}`);
});

test('render warning Alert', () => {
const { container } = render(<Alert messages={[{ text: 'Warning' }]} type="warning" />);
render(<Alert messages={[{ text: 'Warning' }]} type="warning" />);

const alert = screen.getByRole('alert');

expect(container.firstChild).toMatchSnapshot();
expect(container.firstChild).toHaveStyle(`border-left: ${theme.spacing.xxSmall} solid ${theme.colors.warning50}`);
expect(alert).toMatchSnapshot();
expect(alert).toHaveStyle(`border-left: ${theme.spacing.xxSmall} solid ${theme.colors.warning50}`);
});

test('render info Alert', () => {
const { container } = render(<Alert messages={[{ text: 'Info' }]} type="info" />);
render(<Alert messages={[{ text: 'Info' }]} type="info" />);

expect(container.firstChild).toMatchSnapshot();
expect(container.firstChild).toHaveStyle(`border-left: ${theme.spacing.xxSmall} solid ${theme.colors.primary60}`);
const alert = screen.getByRole('alert');

expect(alert).toMatchSnapshot();
expect(alert).toHaveStyle(`border-left: ${theme.spacing.xxSmall} solid ${theme.colors.primary60}`);
});

test('renders with link', () => {
const { queryByRole, container } = render(
<Alert messages={[{ text: 'Success', link: { text: 'Link', href: '#' } }]} />,
);
render(<Alert messages={[{ text: 'Success', link: { text: 'Link', href: '#' } }]} />);

expect(container.firstChild).toMatchSnapshot();

const link = queryByRole('link') as HTMLAnchorElement;
const alert = screen.getByRole('alert');
const link = screen.getByRole<HTMLAnchorElement>('link');

expect(alert).toMatchSnapshot();
expect(link).toBeInTheDocument();
expect(link.href).toBe('http://localhost/#');
});

test('renders with external link', () => {
const { queryByRole, container } = render(
render(
<Alert messages={[{ text: 'Success', link: { text: 'Link', href: '#', external: true, target: '_blank' } }]} />,
);

expect(container.firstChild).toMatchSnapshot();

const link = queryByRole('link') as HTMLAnchorElement;
const alert = screen.getByRole('alert');
const link = screen.getByRole<HTMLAnchorElement>('link');

expect(alert).toMatchSnapshot();
expect(link).toBeInTheDocument();
expect(link.href).toBe('http://localhost/#');
expect(link.target).toBe('_blank');
expect(link.querySelector('svg')).not.toBeUndefined();
});

test('renders header', () => {
const { queryByText, container } = render(<Alert header="Header" messages={[{ text: 'Success' }]} />);
render(<Alert header="Header" messages={[{ text: 'Success' }]} />);

expect(container.firstChild).toMatchSnapshot();
expect(queryByText('Header')).not.toBeUndefined();
const alert = screen.getByRole('alert');
const heading = screen.getByRole('heading', { name: /header/i });

expect(alert).toMatchSnapshot();
expect(heading).not.toBeUndefined();
});

test('renders close button', () => {
const { queryByRole, container } = render(<Alert onClose={() => null} messages={[{ text: 'Success' }]} />);
render(<Alert onClose={() => null} messages={[{ text: 'Success' }]} />);

const alert = screen.getByRole('alert');
const button = screen.getByRole('button');

expect(container.firstChild).toMatchSnapshot();
expect(queryByRole('button')).not.toBeUndefined();
expect(alert).toMatchSnapshot();
expect(button).not.toBeUndefined();
});

test('trigger onClose', () => {
const fn = jest.fn();
const { queryByRole } = render(<Alert onClose={fn} messages={[{ text: 'Success' }]} />);
render(<Alert onClose={fn} messages={[{ text: 'Success' }]} />);

const button = queryByRole('button') as HTMLButtonElement;
const button = screen.getByRole('button');

fireEvent.click(button);

Expand All @@ -91,7 +104,8 @@ test('does not forward styles', () => {
const { container } = render(
<Alert messages={[{ text: 'Success' }]} className="test" style={{ background: 'red' }} />,
);
const alert = screen.getByRole('alert');

expect(container.getElementsByClassName('test').length).toBe(0);
expect(container.firstChild).not.toHaveStyle('background: red');
expect(container.getElementsByClassName('test')).toHaveLength(0);
expect(alert).not.toHaveStyle('background: red');
});