test(video): add tests for video download trimming

src/__tests__/video.test.ts

@@ -0,0 +1,68 @@
+// @ts-nocheck
+// @jest-environment node
+import { describe, test, expect } from '@jest/globals';
+import * as os from 'os';
+import * as path from 'path';
+import { downloadVideo } from '../modules/video.js';
+import { CONFIG } from '../config.js';
+import * as fs from 'fs';
+
+// 設置 Python 環境
+process.env.PYTHONPATH = '';
+process.env.PYTHONHOME = '';
+
+describe('downloadVideo with trimming', () => {
+  const testUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw';
+  const testConfig = {
+    ...CONFIG,
+    file: {
+      ...CONFIG.file,
+      downloadsDir: path.join(os.tmpdir(), 'yt-dlp-test-downloads'),
+      tempDirPrefix: 'yt-dlp-test-'
+    }
+  };
+
+  beforeEach(async () => {
+    await fs.promises.mkdir(testConfig.file.downloadsDir, { recursive: true });
+  });
+
+  afterEach(async () => {
+    await fs.promises.rm(testConfig.file.downloadsDir, { recursive: true, force: true });
+  });
+
+  test('downloads video with start time trimming', async () => {
+    const result = await downloadVideo(testUrl, testConfig, '720p', '00:00:10');
+    expect(result).toContain('Video successfully downloaded');
+    
+    const files = await fs.promises.readdir(testConfig.file.downloadsDir);
+    expect(files.length).toBeGreaterThan(0);
+    expect(files[0]).toMatch(/\.(mp4|webm|mkv)$/);
+  }, 30000);
+
+  test('downloads video with end time trimming', async () => {
+    const result = await downloadVideo(testUrl, testConfig, '720p', undefined, '00:00:20');
+    expect(result).toContain('Video successfully downloaded');
+    
+    const files = await fs.promises.readdir(testConfig.file.downloadsDir);
+    expect(files.length).toBeGreaterThan(0);
+    expect(files[0]).toMatch(/\.(mp4|webm|mkv)$/);
+  }, 30000);
+
+  test('downloads video with both start and end time trimming', async () => {
+    const result = await downloadVideo(testUrl, testConfig, '720p', '00:00:10', '00:00:20');
+    expect(result).toContain('Video successfully downloaded');
+    
+    const files = await fs.promises.readdir(testConfig.file.downloadsDir);
+    expect(files.length).toBeGreaterThan(0);
+    expect(files[0]).toMatch(/\.(mp4|webm|mkv)$/);
+  }, 30000);
+
+  test('downloads video without trimming when no times provided', async () => {
+    const result = await downloadVideo(testUrl, testConfig, '720p');
+    expect(result).toContain('Video successfully downloaded');
+    
+    const files = await fs.promises.readdir(testConfig.file.downloadsDir);
+    expect(files.length).toBeGreaterThan(0);
+    expect(files[0]).toMatch(/\.(mp4|webm|mkv)$/);
+  }, 30000);
+});