Torben Sorensen
19885a50f7
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31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
// src/components/ErrorDisplay.test.tsx
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import React from 'react';
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import { screen } from '@testing-library/react';
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import { describe, it, expect } from 'vitest';
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import { ErrorDisplay } from './ErrorDisplay';
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import { renderWithProviders } from '../tests/utils/renderWithProviders';
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describe('ErrorDisplay (in components)', () => {
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it('should not render when the message is empty', () => {
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const { container } = renderWithProviders(<ErrorDisplay message="" />);
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expect(container.firstChild).toBeNull();
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});
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it('should not render when the message is null', () => {
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// The component expects a string, but we test for nullish values as a safeguard.
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const { container } = renderWithProviders(<ErrorDisplay message={null as unknown as string} />);
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expect(container.firstChild).toBeNull();
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});
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it('should render the error message when provided', () => {
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const errorMessage = 'Something went terribly wrong.';
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renderWithProviders(<ErrorDisplay message={errorMessage} />);
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const alert = screen.getByRole('alert');
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expect(alert).toBeInTheDocument();
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expect(screen.getByText('Error:')).toBeInTheDocument();
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expect(screen.getByText(errorMessage)).toBeInTheDocument();
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expect(alert).toHaveClass('bg-red-100');
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});
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});
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