feat(v030): GitClient — fetch/rebaseOnto/rebaseAbort/hasUncommittedChanges/listConflicts

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

tests/unit/GitClient.fetch.test.ts

@@ -0,0 +1,51 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { GitClient } from '../../src/main/services/GitClient.js';
+
+describe('GitClient — fetch / rebase / conflict 메서드', () => {
+  let client: GitClient;
+  let runSpy: ReturnType<typeof vi.spyOn>;
+
+  beforeEach(() => {
+    client = new GitClient('/tmp/sync');
+    runSpy = vi.spyOn(client, 'run');
+  });
+
+  it('fetch — git fetch origin 호출', async () => {
+    runSpy.mockResolvedValueOnce({ stdout: '', stderr: '', exitCode: 0 });
+    const r = await client.fetch();
+    expect(runSpy).toHaveBeenCalledWith(['fetch', 'origin']);
+    expect(r.exitCode).toBe(0);
+  });
+
+  it('rebaseOnto — git rebase origin/main', async () => {
+    runSpy.mockResolvedValueOnce({ stdout: '', stderr: '', exitCode: 0 });
+    const r = await client.rebaseOnto('origin/main');
+    expect(runSpy).toHaveBeenCalledWith(['rebase', 'origin/main']);
+    expect(r.exitCode).toBe(0);
+  });
+
+  it('rebaseAbort — git rebase --abort', async () => {
+    runSpy.mockResolvedValueOnce({ stdout: '', stderr: '', exitCode: 0 });
+    await client.rebaseAbort();
+    expect(runSpy).toHaveBeenCalledWith(['rebase', '--abort']);
+  });
+
+  it('hasUncommittedChanges — git status --porcelain 의 출력 있으면 true', async () => {
+    runSpy.mockResolvedValueOnce({ stdout: ' M notes/abc.md\n', stderr: '', exitCode: 0 });
+    expect(await client.hasUncommittedChanges()).toBe(true);
+
+    runSpy.mockResolvedValueOnce({ stdout: '', stderr: '', exitCode: 0 });
+    expect(await client.hasUncommittedChanges()).toBe(false);
+  });
+
+  it('listConflicts — git diff --name-only --diff-filter=U 결과 파싱', async () => {
+    runSpy.mockResolvedValueOnce({
+      stdout: 'notes/aaa.md\nnotes/bbb.md\n',
+      stderr: '',
+      exitCode: 0
+    });
+    const r = await client.listConflicts();
+    expect(runSpy).toHaveBeenCalledWith(['diff', '--name-only', '--diff-filter=U']);
+    expect(r).toEqual(['notes/aaa.md', 'notes/bbb.md']);
+  });
+});