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import { describe, expect, it, vi, beforeEach, afterEach } from 'vitest';
import { render, screen, fireEvent, waitFor, cleanup } from '@testing-library/svelte';
vi.mock('../lib/client', () => {
const real = vi.importActual<typeof import('../lib/client')>('../lib/client');
return {
...real,
getDataset: vi.fn(),
getDatasetPreview: vi.fn(),
createDataset: vi.fn()
};
});
import DatasetCard from '../components/DatasetCard.svelte';
import { getDataset, createDataset } from '../lib/client';
import type { Dataset } from '../lib/types';
const failedDs: Dataset = {
id: 'ds-failed-1',
name: '国泰自由现金流-20251231-20260917',
request: {
name: '国泰自由现金流-20251231-20260917',
instruments: [
{ symbol: '159399', market: 'SZ', asset_type: 'etf', name: '国泰自由现金流', currency: null }
],
start_date: '2025-12-31',
end_date: '2026-09-17',
frequency: 'daily',
adjustment: 'none',
fields: ['open', 'high', 'low', 'close', 'volume']
},
status: 'failed',
error: '159399: eastmoney failed (RemoteDisconnected); tencent fallback failed (tencent source has no listed-ETF daily adapter)',
created_at: '2026-09-17T01:00:00Z'
};
beforeEach(() => {
vi.mocked(getDataset).mockResolvedValue(failedDs);
vi.mocked(createDataset).mockReset();
});
afterEach(() => cleanup());
describe('failed dataset retry affordance (159399 regression: user could never re-request)', () => {
it('failed dataset offers recreate-with-same-request button and original error stays visible', async () => {
render(DatasetCard, { props: { dsId: 'ds-failed-1' } });
await screen.findByText(/eastmoney failed/);
const btn = await screen.findByRole('button', { name: /使用相同请求重新获取/ });
expect(btn).toBeTruthy();
});
it('recreate preserves ds.name (canonical request has no name) via the normal create API and keeps the failed record untouched', async () => {
vi.mocked(createDataset).mockResolvedValue({
...failedDs,
id: 'ds-new-2',
status: 'pending',
error: null
});
render(DatasetCard, { props: { dsId: 'ds-failed-1' } });
const btn = await screen.findByRole('button', { name: /使用相同请求重新获取/ });
await fireEvent.click(btn);
await waitFor(() => {
expect(createDataset).toHaveBeenCalledTimes(1);
});
expect(vi.mocked(createDataset).mock.calls[0][0]).toStrictEqual({
...failedDs.request,
name: failedDs.name,
instruments: [{ ...failedDs.request.instruments[0], currency: null }]
});
// new dataset becomes visible/trackable: hint points to the list below
await screen.findByText(/新数据集出现在下方列表并自动跟踪进度/);
});
it('recreate button is disabled after a successful recreate (no duplicate submissions), error clears button state instead', async () => {
vi.mocked(createDataset).mockResolvedValue({
...failedDs,
id: 'ds-new-3',
status: 'pending',
error: null
});
render(DatasetCard, { props: { dsId: 'ds-failed-1' } });
const btn = await screen.findByRole('button', { name: /使用相同请求重新获取/ });
expect((btn as HTMLButtonElement).disabled).toBe(false);
await fireEvent.click(btn);
await screen.findByText(/已用原请求创建新数据集/);
const done = screen.getByRole('button', { name: /使用相同请求重新获取/ });
expect((done as HTMLButtonElement).disabled).toBe(true);
});
it('onRecreated callback fires with the new dataset so parents can refresh', async () => {
vi.mocked(createDataset).mockResolvedValue({
...failedDs,
id: 'ds-new-4',
status: 'pending',
error: null
});
const onRecreated = vi.fn();
render(DatasetCard, { props: { dsId: 'ds-failed-1', onRecreated } });
const btn = await screen.findByRole('button', { name: /使用相同请求重新获取/ });
await fireEvent.click(btn);
await screen.findByText(/已用原请求创建新数据集/);
expect(onRecreated).toHaveBeenCalledTimes(1);
expect(onRecreated.mock.calls[0][0].id).toBe('ds-new-4');
});
it('recreate failure surfaces the error message instead of a silent no-op', async () => {
vi.mocked(createDataset).mockRejectedValue(new Error('HTTP400: validation'));
render(DatasetCard, { props: { dsId: 'ds-failed-1' } });
const btn = await screen.findByRole('button', { name: /使用相同请求重新获取/ });
await fireEvent.click(btn);
await screen.findByText(/重新获取失败/);
});
});
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