import React from 'react';
import { readFileSync } from 'node:fs';
import { describe, expect, it, vi } from 'vitest';
import { renderToStaticMarkup } from 'react-dom/server';
import { CopyButton } from './CopyButton';
import { ToastProvider } from './toast';
vi.mock('react-i18next', () => ({
useTranslation: () => ({
t: (key: string) => key,
}),
}));
describe('CopyButton', () => {
it('renders with type button to avoid form submission side effects', () => {
const html = renderToStaticMarkup(
<ToastProvider>
<CopyButton text="mcp_test.123" />
</ToastProvider>
);
expect(html).toContain('type="button"');
expect(html).toContain('aria-label="copy.copied"');
});
it('passes disabled state through to the button', () => {
const html = renderToStaticMarkup(
<ToastProvider>
<CopyButton text="mcp_test.123" disabled />
</ToastProvider>
);
expect(html).toContain('disabled=""');
});
it('keeps disabled state independent from copied state so copy can be retried', () => {
const source = readFileSync(new URL('./CopyButton.tsx', import.meta.url), 'utf8');
expect(source).toContain('disabled={disabled}');
expect(source).not.toMatch(/disabled=\{[^}]*copied[^}]*\}/);
expect(source).toContain('setCopied(false)');
});
});
