fix(cli): Improve proxy test isolation and sandbox path resolution (#6555)

packages/cli/src/config/config.test.ts

@@ -328,71 +328,98 @@ describe('loadCliConfig', () => {
     expect(config.getShowMemoryUsage()).toBe(true);
   });
 
-  it(`should leave proxy to empty by default`, async () => {
-    process.argv = ['node', 'script.js'];
-    const argv = await parseArguments();
-    const settings: Settings = {};
-    const config = await loadCliConfig(settings, [], 'test-session', argv);
-    expect(config.getProxy()).toBeFalsy();
-  });
+  describe('Proxy configuration', () => {
+    const originalProxyEnv: { [key: string]: string | undefined } = {};
+    const proxyEnvVars = [
+      'HTTP_PROXY',
+      'HTTPS_PROXY',
+      'http_proxy',
+      'https_proxy',
+    ];
 
-  const proxy_url = 'http://localhost:7890';
-  const testCases = [
-    {
-      input: {
-        env_name: 'https_proxy',
-        proxy_url,
-      },
-      expected: proxy_url,
-    },
-    {
-      input: {
-        env_name: 'http_proxy',
-        proxy_url,
-      },
-      expected: proxy_url,
-    },
-    {
-      input: {
-        env_name: 'HTTPS_PROXY',
-        proxy_url,
-      },
-      expected: proxy_url,
-    },
-    {
-      input: {
-        env_name: 'HTTP_PROXY',
-        proxy_url,
-      },
-      expected: proxy_url,
-    },
-  ];
-  testCases.forEach(({ input, expected }) => {
-    it(`should set proxy to ${expected} according to environment variable [${input.env_name}]`, async () => {
-      vi.stubEnv(input.env_name, input.proxy_url);
+    beforeEach(() => {
+      for (const key of proxyEnvVars) {
+        originalProxyEnv[key] = process.env[key];
+        delete process.env[key];
+      }
+    });
+
+    afterEach(() => {
+      for (const key of proxyEnvVars) {
+        if (originalProxyEnv[key]) {
+          process.env[key] = originalProxyEnv[key];
+        } else {
+          delete process.env[key];
+        }
+      }
+    });
+
+    it(`should leave proxy to empty by default`, async () => {
       process.argv = ['node', 'script.js'];
       const argv = await parseArguments();
       const settings: Settings = {};
       const config = await loadCliConfig(settings, [], 'test-session', argv);
-      expect(config.getProxy()).toBe(expected);
+      expect(config.getProxy()).toBeFalsy();
     });
-  });
 
-  it('should set proxy when --proxy flag is present', async () => {
-    process.argv = ['node', 'script.js', '--proxy', 'http://localhost:7890'];
-    const argv = await parseArguments();
-    const settings: Settings = {};
-    const config = await loadCliConfig(settings, [], 'test-session', argv);
-    expect(config.getProxy()).toBe('http://localhost:7890');
-  });
+    const proxy_url = 'http://localhost:7890';
+    const testCases = [
+      {
+        input: {
+          env_name: 'https_proxy',
+          proxy_url,
+        },
+        expected: proxy_url,
+      },
+      {
+        input: {
+          env_name: 'http_proxy',
+          proxy_url,
+        },
+        expected: proxy_url,
+      },
+      {
+        input: {
+          env_name: 'HTTPS_PROXY',
+          proxy_url,
+        },
+        expected: proxy_url,
+      },
+      {
+        input: {
+          env_name: 'HTTP_PROXY',
+          proxy_url,
+        },
+        expected: proxy_url,
+      },
+    ];
+    testCases.forEach(({ input, expected }) => {
+      it(`should set proxy to ${expected} according to environment variable [${input.env_name}]`, async () => {
+        vi.stubEnv(input.env_name, input.proxy_url);
+        process.argv = ['node', 'script.js'];
+        const argv = await parseArguments();
+        const settings: Settings = {};
+        const config = await loadCliConfig(settings, [], 'test-session', argv);
+        expect(config.getProxy()).toBe(expected);
+      });
+    });
 
-  it('should prioritize CLI flag over environment variable for proxy (CLI http://localhost:7890, environment variable http://localhost:7891)', async () => {
-    vi.stubEnv('http_proxy', 'http://localhost:7891');
-    process.argv = ['node', 'script.js', '--proxy', 'http://localhost:7890'];
-    const argv = await parseArguments();
-    const settings: Settings = {};
-    const config = await loadCliConfig(settings, [], 'test-session', argv);
-    expect(config.getProxy()).toBe('http://localhost:7890');
+    it('should set proxy when --proxy flag is present', async () => {
+      process.argv = ['node', 'script.js', '--proxy', 'http://localhost:7890'];
+      const argv = await parseArguments();
+      const settings: Settings = {};
+      const config = await loadCliConfig(settings, [], 'test-session', argv);
+      expect(config.getProxy()).toBe('http://localhost:7890');
+    });
+
+    it('should prioritize CLI flag over environment variable for proxy (CLI http://localhost:7890, environment variable http://localhost:7891)', async () => {
+      vi.stubEnv('http_proxy', 'http://localhost:7891');
+      process.argv = ['node', 'script.js', '--proxy', 'http://localhost:7890'];
+      const argv = await parseArguments();
+      const settings: Settings = {};
+      const config = await loadCliConfig(settings, [], 'test-session', argv);
+      expect(config.getProxy()).toBe('http://localhost:7890');
+    });
   });
 });
 

packages/cli/src/config/config.ts

@@ -78,6 +78,7 @@ export interface CliArgs {
 
 export async function parseArguments(): Promise<CliArgs> {
   const yargsInstance = yargs(hideBin(process.argv))
+    .locale('en')
     .scriptName('gemini')
     .usage(
       'Usage: gemini [options] [command]\n\nGemini CLI - Launch an interactive CLI, use -p/--prompt for non-interactive mode',

packages/cli/src/gemini.test.tsx

@@ -10,6 +10,7 @@ import {
   main,
   setupUnhandledRejectionHandler,
   validateDnsResolutionOrder,
+  startInteractiveUI,
 } from './gemini.js';
 import {
   LoadedSettings,
@@ -17,6 +18,7 @@ import {
   loadSettings,
 } from './config/settings.js';
 import { appEvents, AppEvent } from './utils/events.js';
+import { Config } from '@google/gemini-cli-core';
 
 // Custom error to identify mock process.exit calls
 class MockProcessExitError extends Error {
@@ -251,3 +253,98 @@ describe('validateDnsResolutionOrder', () => {
     );
   });
 });
+
+describe('startInteractiveUI', () => {
+  // Mock dependencies
+  const mockConfig = {
+    getProjectRoot: () => '/root',
+    getScreenReader: () => false,
+  } as Config;
+  const mockSettings = {
+    merged: {
+      hideWindowTitle: false,
+    },
+  } as LoadedSettings;
+  const mockStartupWarnings = ['warning1'];
+  const mockWorkspaceRoot = '/root';
+
+  vi.mock('./utils/version.js', () => ({
+    getCliVersion: vi.fn(() => Promise.resolve('1.0.0')),
+  }));
+
+  vi.mock('./ui/utils/kittyProtocolDetector.js', () => ({
+    detectAndEnableKittyProtocol: vi.fn(() => Promise.resolve()),
+  }));
+
+  vi.mock('./ui/utils/updateCheck.js', () => ({
+    checkForUpdates: vi.fn(() => Promise.resolve(null)),
+  }));
+
+  vi.mock('./utils/cleanup.js', () => ({
+    cleanupCheckpoints: vi.fn(() => Promise.resolve()),
+    registerCleanup: vi.fn(),
+  }));
+
+  vi.mock('ink', () => ({
+    render: vi.fn().mockReturnValue({ unmount: vi.fn() }),
+  }));
+
+  beforeEach(() => {
+    vi.clearAllMocks();
+  });
+
+  it('should render the UI with proper React context and exitOnCtrlC disabled', async () => {
+    const { render } = await import('ink');
+    const renderSpy = vi.mocked(render);
+
+    await startInteractiveUI(
+      mockConfig,
+      mockSettings,
+      mockStartupWarnings,
+      mockWorkspaceRoot,
+    );
+
+    // Verify render was called with correct options
+    expect(renderSpy).toHaveBeenCalledTimes(1);
+    const [reactElement, options] = renderSpy.mock.calls[0];
+
+    // Verify render options
+    expect(options).toEqual({
+      exitOnCtrlC: false,
+      isScreenReaderEnabled: false,
+    });
+
+    // Verify React element structure is valid (but don't deep dive into JSX internals)
+    expect(reactElement).toBeDefined();
+  });
+
+  it('should perform all startup tasks in correct order', async () => {
+    const { getCliVersion } = await import('./utils/version.js');
+    const { detectAndEnableKittyProtocol } = await import(
+      './ui/utils/kittyProtocolDetector.js'
+    );
+    const { checkForUpdates } = await import('./ui/utils/updateCheck.js');
+    const { registerCleanup } = await import('./utils/cleanup.js');
+
+    await startInteractiveUI(
+      mockConfig,
+      mockSettings,
+      mockStartupWarnings,
+      mockWorkspaceRoot,
+    );
+
+    // Verify all startup tasks were called
+    expect(getCliVersion).toHaveBeenCalledTimes(1);
+    expect(detectAndEnableKittyProtocol).toHaveBeenCalledTimes(1);
+    expect(registerCleanup).toHaveBeenCalledTimes(1);
+
+    // Verify cleanup handler is registered with unmount function
+    const cleanupFn = vi.mocked(registerCleanup).mock.calls[0][0];
+    expect(typeof cleanupFn).toBe('function');
+
+    // checkForUpdates should be called asynchronously (not waited for)
+    // We need a small delay to let it execute
+    await new Promise((resolve) => setTimeout(resolve, 0));
+    expect(checkForUpdates).toHaveBeenCalledTimes(1);
+  });
+});

packages/cli/src/gemini.tsx

@@ -132,6 +132,44 @@ ${reason.stack}`
   });
 }
 
+export async function startInteractiveUI(
+  config: Config,
+  settings: LoadedSettings,
+  startupWarnings: string[],
+  workspaceRoot: string,
+) {
+  const version = await getCliVersion();
+  // Detect and enable Kitty keyboard protocol once at startup
+  await detectAndEnableKittyProtocol();
+  setWindowTitle(basename(workspaceRoot), settings);
+  const instance = render(
+    <React.StrictMode>
+      <SettingsContext.Provider value={settings}>
+        <AppWrapper
+          config={config}
+          settings={settings}
+          startupWarnings={startupWarnings}
+          version={version}
+        />
+      </SettingsContext.Provider>
+    </React.StrictMode>,
+    { exitOnCtrlC: false, isScreenReaderEnabled: config.getScreenReader() },
+  );
+
+  checkForUpdates()
+    .then((info) => {
+      handleAutoUpdate(info, settings, config.getProjectRoot());
+    })
+    .catch((err) => {
+      // Silently ignore update check errors.
+      if (config.getDebugMode()) {
+        console.error('Update check failed:', err);
+      }
+    });
+
+  registerCleanup(() => instance.unmount());
+}
+
 export async function main() {
   setupUnhandledRejectionHandler();
   const workspaceRoot = process.cwd();
@@ -301,36 +339,7 @@ export async function main() {
 
   // Render UI, passing necessary config values. Check that there is no command line question.
   if (config.isInteractive()) {
-    const version = await getCliVersion();
-    // Detect and enable Kitty keyboard protocol once at startup
-    await detectAndEnableKittyProtocol();
-    setWindowTitle(basename(workspaceRoot), settings);
-    const instance = render(
-      <React.StrictMode>
-        <SettingsContext.Provider value={settings}>
-          <AppWrapper
-            config={config}
-            settings={settings}
-            startupWarnings={startupWarnings}
-            version={version}
-          />
-        </SettingsContext.Provider>
-      </React.StrictMode>,
-      { exitOnCtrlC: false, isScreenReaderEnabled: config.getScreenReader() },
-    );
-
-    checkForUpdates()
-      .then((info) => {
-        handleAutoUpdate(info, settings, config.getProjectRoot());
-      })
-      .catch((err) => {
-        // Silently ignore update check errors.
-        if (config.getDebugMode()) {
-          console.error('Update check failed:', err);
-        }
-      });
-
-    registerCleanup(() => instance.unmount());
+    await startInteractiveUI(config, settings, startupWarnings, workspaceRoot);
     return;
   }
   // If not a TTY, read from stdin

packages/cli/src/ui/components/InputPrompt.test.tsx

@@ -1422,11 +1422,17 @@ describe('InputPrompt', () => {
       );
       stdin.write('\x12');
       await wait();
+      // Verify reverse search is active
+      expect(stdout.lastFrame()).toContain('(r:)');
+
       stdin.write('\t');
 
-      await waitFor(() => {
-        expect(stdout.lastFrame()).not.toContain('(r:)');
-      });
+      await waitFor(
+        () => {
+          expect(stdout.lastFrame()).not.toContain('(r:)');
+        },
+        { timeout: 5000 },
+      ); // Increase timeout
 
       expect(props.buffer.setText).toHaveBeenCalledWith('echo hello');
       unmount();

packages/cli/src/utils/sandbox.ts

@@ -206,7 +206,6 @@ export async function start_sandbox(
       let profileFile = fileURLToPath(
         new URL(`sandbox-macos-${profile}.sb`, import.meta.url),
       );
-
       // if profile name is not recognized, then look for file under project settings directory
       if (!BUILTIN_SEATBELT_PROFILES.includes(profile)) {
         profileFile = path.join(