feat: preview server startup directly

tests/engine/mainStartup.test.ts

@@ -0,0 +1,117 @@
+import { describe, it, expect, vi, afterEach } from 'vitest';
+
+describe('main bootstrap preview behavior', () => {
+  afterEach(() => {
+    vi.restoreAllMocks();
+    vi.resetModules();
+  });
+
+  it('starts preview server during app startup', async () => {
+    const mockApp = {
+      name: 'bDS',
+      whenReady: vi.fn(() => Promise.resolve()),
+      on: vi.fn(),
+      quit: vi.fn(),
+    };
+
+    const mockBrowserWindowGetAllWindows = vi.fn(() => [{ id: 1 }]);
+
+    class MockBrowserWindow {
+      static getAllWindows = mockBrowserWindowGetAllWindows;
+
+      loadURL = vi.fn();
+      loadFile = vi.fn();
+      on = vi.fn();
+      isDestroyed = vi.fn(() => false);
+      webContents = {
+        on: vi.fn(),
+        send: vi.fn(),
+        openDevTools: vi.fn(),
+        toggleDevTools: vi.fn(),
+      };
+    }
+
+    vi.doMock('electron', () => ({
+      app: mockApp,
+      BrowserWindow: MockBrowserWindow,
+      Menu: {
+        buildFromTemplate: vi.fn(() => ({})),
+        setApplicationMenu: vi.fn(),
+      },
+      ipcMain: {
+        on: vi.fn(),
+        handle: vi.fn(),
+        removeHandler: vi.fn(),
+      },
+      protocol: {
+        registerSchemesAsPrivileged: vi.fn(),
+        handle: vi.fn(),
+      },
+      net: {
+        fetch: vi.fn(),
+      },
+      shell: {
+        openExternal: vi.fn(),
+        openPath: vi.fn(),
+      },
+    }));
+
+    const mockPreviewStart = vi.fn().mockResolvedValue(4123);
+    const mockPreviewStop = vi.fn().mockResolvedValue(undefined);
+    const mockPreviewGetBaseUrl = vi.fn(() => 'http://127.0.0.1:4123');
+
+    class MockPreviewServer {
+      start = mockPreviewStart;
+      stop = mockPreviewStop;
+      getBaseUrl = mockPreviewGetBaseUrl;
+    }
+
+    vi.doMock('../../src/main/engine/PreviewServer', () => ({
+      PreviewServer: MockPreviewServer,
+    }));
+
+    vi.doMock('../../src/main/database', () => ({
+      getDatabase: vi.fn(() => ({
+        initializeLocal: vi.fn().mockResolvedValue(undefined),
+        close: vi.fn().mockResolvedValue(undefined),
+        getLocal: vi.fn(() => ({
+          select: vi.fn(() => ({
+            from: vi.fn(() => ({
+              where: vi.fn(() => ({
+                get: vi.fn().mockResolvedValue(null),
+              })),
+            })),
+          })),
+        })),
+        getDataPaths: vi.fn(() => ({ database: '/tmp/mock.db' })),
+      })),
+    }));
+
+    vi.doMock('../../src/main/ipc', () => ({
+      registerIpcHandlers: vi.fn(),
+      registerChatHandlers: vi.fn(),
+      initializeChatHandlers: vi.fn(),
+      cleanupChatHandlers: vi.fn().mockResolvedValue(undefined),
+    }));
+
+    vi.doMock('../../src/main/database/schema', () => ({
+      media: {},
+    }));
+
+    vi.doMock('drizzle-orm', () => ({
+      eq: vi.fn(),
+    }));
+
+    vi.doMock('../../src/main/engine/MediaEngine', () => ({
+      getMediaEngine: vi.fn(() => ({
+        getThumbnailPaths: vi.fn().mockResolvedValue({ small: null }),
+      })),
+    }));
+
+    await import('../../src/main/main');
+    await new Promise((resolve) => setTimeout(resolve, 0));
+
+    expect(mockPreviewStart).toHaveBeenCalledWith(4123);
+    expect(mockApp.whenReady).toHaveBeenCalled();
+  });
+});