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lcbp3/frontend/components/admin/ai/__tests__/VersionHistory.test.tsx
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TypeScript

// File: frontend/components/admin/ai/__tests__/VersionHistory.test.tsx
import React from 'react';
import { render, screen, waitFor } from '@testing-library/react';
import userEvent from '@testing-library/user-event';
import { describe, it, expect, vi, beforeEach } from 'vitest';
import VersionHistory from '../VersionHistory';
vi.mock('react-i18next', () => ({
useTranslation: () => ({
t: (key: string) => key,
}),
}));
describe('VersionHistory', () => {
const mockOnLoadTemplate = vi.fn();
const mockOnActivateVersion = vi.fn();
const mockOnDeleteVersion = vi.fn();
beforeEach(() => {
vi.clearAllMocks();
});
const generateVersions = (count: number) => {
return Array.from({ length: count }, (_, i) => ({
versionNumber: i + 1,
promptType: 'ocr_extraction',
promptText: 'prompt text',
createdAt: new Date().toISOString(),
isActive: i === 0,
manualNote: `Note ${i + 1}`,
authorName: 'Admin',
}));
};
it('renders loading state', () => {
render(
<VersionHistory
versions={[]}
isLoading={true}
onLoadTemplate={mockOnLoadTemplate}
onActivateVersion={mockOnActivateVersion}
onDeleteVersion={mockOnDeleteVersion}
isActivating={false}
isDeleting={false}
/>
);
expect(screen.getByText(/prompt_management.version_history/i)).toBeInTheDocument();
});
it('renders empty state', () => {
render(
<VersionHistory
versions={[]}
isLoading={false}
onLoadTemplate={mockOnLoadTemplate}
onActivateVersion={mockOnActivateVersion}
onDeleteVersion={mockOnDeleteVersion}
isActivating={false}
isDeleting={false}
/>
);
expect(screen.getByText('prompt_management.no_versions')).toBeInTheDocument();
});
it('renders versions', () => {
const versions = generateVersions(2);
render(
<VersionHistory
versions={versions}
isLoading={false}
onLoadTemplate={mockOnLoadTemplate}
onActivateVersion={mockOnActivateVersion}
onDeleteVersion={mockOnDeleteVersion}
isActivating={false}
isDeleting={false}
/>
);
expect(screen.getByText('v1')).toBeInTheDocument();
expect(screen.getByText('v2')).toBeInTheDocument();
expect(screen.getByText('Note 1')).toBeInTheDocument();
expect(screen.getByText('prompt_management.is_active')).toBeInTheDocument();
});
it('handles pagination', async () => {
const user = userEvent.setup();
const versions = generateVersions(25); // Page size is 20
render(
<VersionHistory
versions={versions}
isLoading={false}
onLoadTemplate={mockOnLoadTemplate}
onActivateVersion={mockOnActivateVersion}
onDeleteVersion={mockOnDeleteVersion}
isActivating={false}
isDeleting={false}
/>
);
// Page 1 should have v1 to v20
expect(screen.getByText('v1')).toBeInTheDocument();
expect(screen.getByText('v20')).toBeInTheDocument();
expect(screen.queryByText('v21')).not.toBeInTheDocument();
// Next page button is the right chevron
const nextBtn = document.querySelector('button .lucide-chevron-right')?.closest('button');
if (nextBtn) {
await user.click(nextBtn);
}
// Page 2 should have v21 to v25
expect(screen.queryByText('v1')).not.toBeInTheDocument();
expect(screen.getByText('v21')).toBeInTheDocument();
expect(screen.getByText('v25')).toBeInTheDocument();
});
});