fix(auth): prioritize GEMINI_API_KEY env var and skip unnecessary key… (#14745)

packages/cli/src/ui/auth/ApiAuthDialog.test.tsx

@@ -12,8 +12,18 @@ import {
   useTextBuffer,
   type TextBuffer,
 } from '../components/shared/text-buffer.js';
+import { clearApiKey } from '@google/gemini-cli-core';
 
 // Mocks
+vi.mock('@google/gemini-cli-core', async (importOriginal) => {
+  const actual =
+    await importOriginal<typeof import('@google/gemini-cli-core')>();
+  return {
+    ...actual,
+    clearApiKey: vi.fn().mockResolvedValue(undefined),
+  };
+});
+
 vi.mock('../hooks/useKeypress.js', () => ({
   useKeypress: vi.fn(),
 }));
@@ -37,7 +47,8 @@ describe('ApiAuthDialog', () => {
   let mockBuffer: TextBuffer;
 
   beforeEach(() => {
-    vi.resetAllMocks();
+    vi.clearAllMocks();
+    vi.stubEnv('GEMINI_API_KEY', '');
     mockBuffer = {
       text: '',
       lines: [''],
@@ -91,7 +102,9 @@ describe('ApiAuthDialog', () => {
     ({ keyName, sequence, expectedCall, args }) => {
       mockBuffer.text = 'submitted-key'; // Set for the onSubmit case
       render(<ApiAuthDialog onSubmit={onSubmit} onCancel={onCancel} />);
-      const keypressHandler = mockedUseKeypress.mock.calls[0][0];
+      // calls[0] is the ApiAuthDialog's useKeypress (Ctrl+C handler)
+      // calls[1] is the TextInput's useKeypress (typing handler)
+      const keypressHandler = mockedUseKeypress.mock.calls[1][0];
 
       keypressHandler({
         name: keyName,
@@ -117,4 +130,20 @@ describe('ApiAuthDialog', () => {
 
     expect(lastFrame()).toContain('Invalid API Key');
   });
+
+  it('calls clearApiKey and clears buffer when Ctrl+C is pressed', async () => {
+    render(<ApiAuthDialog onSubmit={onSubmit} onCancel={onCancel} />);
+    // calls[0] is the ApiAuthDialog's useKeypress (Ctrl+C handler)
+    const keypressHandler = mockedUseKeypress.mock.calls[0][0];
+
+    await keypressHandler({
+      name: 'c',
+      ctrl: true,
+      meta: false,
+      shift: false,
+    });
+
+    expect(clearApiKey).toHaveBeenCalled();
+    expect(mockBuffer.setText).toHaveBeenCalledWith('');
+  });
 });