test(app): 補齊 isSafeRepoPath/extractBalancedJSON/normalizeText/repairJSONArrayWithAI/格式化函式測試

為可測性 export 三個內部函式（isSafeRepoPath、extractBalancedJSON/extractJSONText、normalizeText）。 Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-26 14:41:41 +08:00
parent fc10ab7266
commit 775cc575ae
8 changed files with 354 additions and 5 deletions
@@ -139,3 +139,87 @@ describe('json helpers', () => {
    );
  });
 });
+
+describe('repairJSONArrayWithAI', () => {
+  it('returns a clean JSON array string parseable by the caller', async () => {
+    const repaired = await repairJSONArrayWithAI(
+      '/tmp/x.json',
+      '.gitea/ai-review/findings.json',
+      '{not valid json',
+      async () => '[{"id":1},{"id":2}]'
+    );
+
+    assert.equal(repaired, '[{"id":1},{"id":2}]');
+    assert.deepEqual(JSON.parse(repaired), [{ id: 1 }, { id: 2 }]);
+  });
+
+  it('strips a fenced ```json block from the AI output', async () => {
+    const repaired = await repairJSONArrayWithAI(
+      '/tmp/x.json',
+      '.gitea/ai-review/exclusions.json',
+      'garbage',
+      async () => '```json\n[1, 2, 3]\n```'
+    );
+
+    assert.equal(repaired, '[1, 2, 3]');
+    assert.deepEqual(JSON.parse(repaired), [1, 2, 3]);
+  });
+
+  it('falls back to an empty array when the model cannot repair the content', async () => {
+    const repaired = await repairJSONArrayWithAI(
+      '/tmp/x.json',
+      '.gitea/ai-review/findings.json',
+      'totally unparseable !!! @@@',
+      async () => '[]'
+    );
+
+    assert.equal(repaired, '[]');
+    assert.deepEqual(JSON.parse(repaired), []);
+  });
+
+  it('returns garbage unchanged (no parsing/throwing) so the caller can validate', async () => {
+    const repaired = await repairJSONArrayWithAI(
+      '/tmp/x.json',
+      '.gitea/ai-review/findings.json',
+      '{broken',
+      async () => 'not a json array at all'
+    );
+
+    assert.equal(repaired, 'not a json array at all');
+    assert.throws(() => JSON.parse(repaired));
+  });
+
+  it('invokes chatFn once with the strict system prompt and JSON-encoded context', async () => {
+    const calls = [];
+    const repaired = await repairJSONArrayWithAI(
+      '/tmp/findings.json',
+      '.gitea/ai-review/findings.json',
+      '{broken',
+      async (systemPrompt, userContent) => {
+        calls.push({ systemPrompt, userContent });
+        return '[]';
+      }
+    );
+
+    assert.equal(repaired, '[]');
+    assert.equal(calls.length, 1);
+    assert.ok(calls[0].systemPrompt.includes('你是 JSON 修復器'));
+    assert.ok(calls[0].systemPrompt.includes('回傳 []'));
+
+    const context = JSON.parse(calls[0].userContent);
+    assert.deepEqual(context, {
+      file: '.gitea/ai-review/findings.json',
+      path: '/tmp/findings.json',
+      rawText: '{broken'
+    });
+  });
+
+  it('propagates errors thrown by chatFn', async () => {
+    await assert.rejects(
+      () => repairJSONArrayWithAI('/tmp/x.json', '.gitea/ai-review/findings.json', '{broken', async () => {
+        throw new Error('llm unavailable');
+      }),
+      /llm unavailable/
+    );
+  });
+});