chore: more refactorings

tests/engine/BlogGenerationOutputService.test.ts

@@ -0,0 +1,75 @@
+import { mkdir, readFile } from 'node:fs/promises';
+import path from 'node:path';
+import { describe, expect, it, vi } from 'vitest';
+import {
+  normalizeGeneratedUrlPath,
+  urlPathToHtmlIndexPath,
+  writeFileIfHashChanged,
+  writeHtmlPage,
+} from '../../src/main/engine/BlogGenerationOutputService';
+
+function makeTempName(): string {
+  return `bds-generation-output-${Date.now()}-${Math.random().toString(36).slice(2)}`;
+}
+
+describe('BlogGenerationOutputService', () => {
+  it('normalizes URL paths and maps them to html index file paths', () => {
+    expect(normalizeGeneratedUrlPath('')).toBe('/');
+    expect(normalizeGeneratedUrlPath('/a/b/')).toBe('/a/b');
+    expect(urlPathToHtmlIndexPath('/tmp/html', '/')).toBe('/tmp/html/index.html');
+    expect(urlPathToHtmlIndexPath('/tmp/html', '/a/b')).toBe('/tmp/html/a/b/index.html');
+  });
+
+  it('writes only when generated hash changes', async () => {
+    const tempRoot = path.join('/tmp', makeTempName());
+    await mkdir(tempRoot, { recursive: true });
+    const filePath = path.join(tempRoot, 'a.txt');
+
+    const getHash = vi.fn().mockResolvedValueOnce(null).mockResolvedValueOnce('same-hash');
+    const setHash = vi.fn().mockResolvedValue(undefined);
+    const hashFn = vi.fn().mockReturnValue('same-hash');
+
+    const changed = await writeFileIfHashChanged({
+      projectId: 'p',
+      filePath,
+      relativePath: 'a.txt',
+      content: 'hello',
+      getGeneratedFileHash: getHash,
+      setGeneratedFileHash: setHash,
+      computeHash: hashFn,
+    });
+
+    const unchanged = await writeFileIfHashChanged({
+      projectId: 'p',
+      filePath,
+      relativePath: 'a.txt',
+      content: 'hello',
+      getGeneratedFileHash: getHash,
+      setGeneratedFileHash: setHash,
+      computeHash: hashFn,
+    });
+
+    expect(changed).toBe(true);
+    expect(unchanged).toBe(false);
+    expect(await readFile(filePath, 'utf-8')).toBe('hello');
+  });
+
+  it('writes html pages under index.html route directories', async () => {
+    const tempRoot = path.join('/tmp', makeTempName());
+    const htmlDir = path.join(tempRoot, 'html');
+    await mkdir(htmlDir, { recursive: true });
+
+    await writeHtmlPage({
+      projectId: 'p',
+      htmlDir,
+      urlPath: 'section/page',
+      content: '<html/>',
+      getGeneratedFileHash: async () => null,
+      setGeneratedFileHash: async () => undefined,
+      computeHash: () => 'h',
+    });
+
+    const saved = await readFile(path.join(htmlDir, 'section', 'page', 'index.html'), 'utf-8');
+    expect(saved).toBe('<html/>');
+  });
+});