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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { render } from 'ink-testing-library';
import { Header } from './Header.js';
import { vi } from 'vitest';
// Mock ink-gradient and ink-big-text as they might have complex rendering
vi.mock('ink-gradient', () => ({
default: vi.fn(({ children }) => children), // Pass through children
}));
import { Text } from 'ink'; // Import the actual Text component from Ink
vi.mock('ink-big-text', () => ({
default: vi.fn(({ text }) => <Text>{text}</Text>), // Use Ink's Text component
}));
describe('<Header />', () => {
it('should render with the default title "GEMINI" when no title prop is provided', () => {
const { lastFrame } = render(<Header />);
const output = lastFrame();
// Check if the output contains the default text "GEMINI"
// The actual output will be simple text due to mocking
expect(output).toContain('GEMINI');
});
it('should render with a custom title when the title prop is provided', () => {
const customTitle = 'My Custom CLI';
const { lastFrame } = render(<Header title={customTitle} />);
const output = lastFrame();
// Check if the output contains the custom title
expect(output).toContain(customTitle);
});
it('should render with an empty title if an empty string is provided', () => {
const customTitle = '';
const { lastFrame } = render(<Header title={customTitle} />);
const output = lastFrame();
// Depending on how BigText handles empty strings,
// it might render nothing or a specific representation.
// For this test, we'll assume it renders the empty string.
expect(output).toContain(''); // or check for a specific structure if BigText behaves differently
});
});
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