Use IdeClient directly instead of config.ideClient (#7627)

packages/core/src/tools/write-file.test.ts

@@ -39,7 +39,11 @@ const rootDir = path.resolve(os.tmpdir(), 'gemini-cli-test-root');
 // --- MOCKS ---
 vi.mock('../core/client.js');
 vi.mock('../utils/editCorrector.js');
-
+vi.mock('../ide/ide-client.js', () => ({
+  IdeClient: {
+    getInstance: vi.fn(),
+  },
+}));
 let mockGeminiClientInstance: Mocked<GeminiClient>;
 const mockEnsureCorrectEdit = vi.fn<typeof ensureCorrectEdit>();
 const mockEnsureCorrectFileContent = vi.fn<typeof ensureCorrectFileContent>();
@@ -58,7 +62,6 @@ const mockConfigInternal = {
   setApprovalMode: vi.fn(),
   getGeminiClient: vi.fn(), // Initialize as a plain mock function
   getFileSystemService: () => fsService,
-  getIdeClient: vi.fn(),
   getIdeMode: vi.fn(() => false),
   getWorkspaceContext: () => createMockWorkspaceContext(rootDir),
   getApiKey: () => 'test-key',
@@ -120,14 +123,6 @@ describe('WriteFileTool', () => {
     mockConfigInternal.getGeminiClient.mockReturnValue(
       mockGeminiClientInstance,
     );
-    mockConfigInternal.getIdeClient.mockReturnValue({
-      openDiff: vi.fn(),
-      closeDiff: vi.fn(),
-      getIdeContext: vi.fn(),
-      subscribeToIdeContext: vi.fn(),
-      isCodeTrackerEnabled: vi.fn(),
-      getTrackedCode: vi.fn(),
-    });
 
     tool = new WriteFileTool(mockConfig);