File size: 2,738 Bytes
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* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { render } from '../../test-utils/render.js';
import { TerminalProvider, useTerminalContext } from './TerminalContext.js';
import { vi, describe, it, expect, type Mock } from 'vitest';
import { useEffect, act } from 'react';
import { EventEmitter } from 'node:events';
import { waitFor } from '../../test-utils/async.js';
const mockStdin = new EventEmitter() as unknown as NodeJS.ReadStream &
EventEmitter;
// Add required properties for Ink's StdinProps
(mockStdin as unknown as { write: Mock }).write = vi.fn();
(mockStdin as unknown as { setEncoding: Mock }).setEncoding = vi.fn();
(mockStdin as unknown as { setRawMode: Mock }).setRawMode = vi.fn();
(mockStdin as unknown as { isTTY: boolean }).isTTY = true;
// Mock removeListener specifically as it is used in cleanup
(mockStdin as unknown as { removeListener: Mock }).removeListener = vi.fn(
(event: string, listener: (...args: unknown[]) => void) => {
mockStdin.off(event, listener);
},
);
vi.mock('ink', async (importOriginal) => {
const actual = await importOriginal<typeof import('ink')>();
return {
...actual,
useStdin: () => ({
stdin: mockStdin,
}),
useStdout: () => ({
stdout: {
write: vi.fn(),
},
}),
};
});
const TestComponent = ({ onColor }: { onColor: (c: string) => void }) => {
const { subscribe } = useTerminalContext();
useEffect(() => {
subscribe(onColor);
}, [subscribe, onColor]);
return null;
};
describe('TerminalContext', () => {
it('should parse OSC 11 response', async () => {
const handleColor = vi.fn();
const { waitUntilReady, unmount } = await render(
<TerminalProvider>
<TestComponent onColor={handleColor} />
</TerminalProvider>,
);
await act(async () => {
mockStdin.emit('data', '\x1b]11;rgb:ffff/ffff/ffff\x1b\\');
});
await waitUntilReady();
await waitFor(() => {
expect(handleColor).toHaveBeenCalledWith('rgb:ffff/ffff/ffff');
});
unmount();
});
it('should handle partial chunks', async () => {
const handleColor = vi.fn();
const { waitUntilReady, unmount } = await render(
<TerminalProvider>
<TestComponent onColor={handleColor} />
</TerminalProvider>,
);
await act(async () => {
mockStdin.emit('data', '\x1b]11;rgb:0000/');
});
await waitUntilReady();
expect(handleColor).not.toHaveBeenCalled();
await act(async () => {
mockStdin.emit('data', '0000/0000\x1b\\');
});
await waitUntilReady();
await waitFor(() => {
expect(handleColor).toHaveBeenCalledWith('rgb:0000/0000/0000');
});
unmount();
});
});
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