chore: last refactors finished

tests/renderer/navigation/postCreation.test.ts

@@ -0,0 +1,58 @@
+import { describe, expect, it, vi } from 'vitest';
+import { createAndFocusPost } from '../../../src/renderer/navigation/postCreation';
+
+describe('postCreation', () => {
+  it('creates a post, focuses it, and optionally ensures posts sidebar', async () => {
+    const createPost = vi.fn().mockResolvedValue({ id: 'post-1' });
+    const setSelectedPost = vi.fn();
+    const ensurePostsSidebar = vi.fn();
+
+    const result = await createAndFocusPost({
+      createPost,
+      setSelectedPost,
+      ensurePostsSidebar,
+    });
+
+    expect(createPost).toHaveBeenCalledWith({
+      title: '',
+      content: '',
+      tags: [],
+      categories: [],
+    });
+    expect(setSelectedPost).toHaveBeenCalledWith('post-1');
+    expect(ensurePostsSidebar).toHaveBeenCalledTimes(1);
+    expect(result).toBe('post-1');
+  });
+
+  it('returns null and does not focus when create returns nullish', async () => {
+    const createPost = vi.fn().mockResolvedValue(null);
+    const setSelectedPost = vi.fn();
+    const ensurePostsSidebar = vi.fn();
+
+    const result = await createAndFocusPost({
+      createPost,
+      setSelectedPost,
+      ensurePostsSidebar,
+    });
+
+    expect(setSelectedPost).not.toHaveBeenCalled();
+    expect(ensurePostsSidebar).not.toHaveBeenCalled();
+    expect(result).toBeNull();
+  });
+
+  it('returns null and reports errors', async () => {
+    const createPost = vi.fn().mockRejectedValue(new Error('fail'));
+    const setSelectedPost = vi.fn();
+    const onError = vi.fn();
+
+    const result = await createAndFocusPost({
+      createPost,
+      setSelectedPost,
+      onError,
+    });
+
+    expect(setSelectedPost).not.toHaveBeenCalled();
+    expect(onError).toHaveBeenCalledTimes(1);
+    expect(result).toBeNull();
+  });
+});