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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import stripAnsi from 'strip-ansi';
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { main } from './gemini.js';
import {
LoadedSettings,
SettingsFile,
loadSettings,
} from './config/settings.js';
// Custom error to identify mock process.exit calls
class MockProcessExitError extends Error {
constructor(readonly code?: string | number | null | undefined) {
super('PROCESS_EXIT_MOCKED');
this.name = 'MockProcessExitError';
}
}
// Mock dependencies
vi.mock('./config/settings.js', async (importOriginal) => {
const actual = await importOriginal<typeof import('./config/settings.js')>();
return {
...actual,
loadSettings: vi.fn(),
};
});
vi.mock('./config/config.js', () => ({
loadCliConfig: vi.fn().mockResolvedValue({
config: {
getSandbox: vi.fn(() => false),
getQuestion: vi.fn(() => ''),
},
modelWasSwitched: false,
originalModelBeforeSwitch: null,
finalModel: 'test-model',
}),
}));
vi.mock('read-package-up', () => ({
readPackageUp: vi.fn().mockResolvedValue({
packageJson: { version: 'test-version' },
path: '/fake/path/package.json',
}),
}));
vi.mock('./utils/sandbox.js', () => ({
sandbox_command: vi.fn(() => ''), // Default to no sandbox command
start_sandbox: vi.fn(() => Promise.resolve()), // Mock as an async function that resolves
}));
describe('gemini.tsx main function', () => {
let consoleErrorSpy: ReturnType<typeof vi.spyOn>;
let loadSettingsMock: ReturnType<typeof vi.mocked<typeof loadSettings>>;
let originalEnvGeminiSandbox: string | undefined;
let originalEnvSandbox: string | undefined;
const processExitSpy = vi
.spyOn(process, 'exit')
.mockImplementation((code) => {
throw new MockProcessExitError(code);
});
beforeEach(() => {
loadSettingsMock = vi.mocked(loadSettings);
// Store and clear sandbox-related env variables to ensure a consistent test environment
originalEnvGeminiSandbox = process.env.GEMINI_SANDBOX;
originalEnvSandbox = process.env.SANDBOX;
delete process.env.GEMINI_SANDBOX;
delete process.env.SANDBOX;
consoleErrorSpy = vi.spyOn(console, 'error').mockImplementation(() => {});
});
afterEach(() => {
// Restore original env variables
if (originalEnvGeminiSandbox !== undefined) {
process.env.GEMINI_SANDBOX = originalEnvGeminiSandbox;
} else {
delete process.env.GEMINI_SANDBOX;
}
if (originalEnvSandbox !== undefined) {
process.env.SANDBOX = originalEnvSandbox;
} else {
delete process.env.SANDBOX;
}
vi.restoreAllMocks();
});
it('should call process.exit(1) if settings have errors', async () => {
const settingsError = {
message: 'Test settings error',
path: '/test/settings.json',
};
const userSettingsFile: SettingsFile = {
path: '/user/settings.json',
settings: {},
};
const workspaceSettingsFile: SettingsFile = {
path: '/workspace/.gemini/settings.json',
settings: {},
};
const mockLoadedSettings = new LoadedSettings(
userSettingsFile,
workspaceSettingsFile,
[settingsError],
);
loadSettingsMock.mockReturnValue(mockLoadedSettings);
try {
await main();
// If main completes without throwing, the test should fail because process.exit was expected
expect.fail('main function did not exit as expected');
} catch (error) {
expect(error).toBeInstanceOf(MockProcessExitError);
if (error instanceof MockProcessExitError) {
expect(error.code).toBe(1);
}
}
// Verify console.error was called with the error message
expect(consoleErrorSpy).toHaveBeenCalledTimes(2);
expect(stripAnsi(String(consoleErrorSpy.mock.calls[0][0]))).toBe(
'Error in /test/settings.json: Test settings error',
);
expect(stripAnsi(String(consoleErrorSpy.mock.calls[1][0]))).toBe(
'Please fix /test/settings.json and try again.',
);
// Verify process.exit was called (indirectly, via the thrown error)
expect(processExitSpy).toHaveBeenCalledWith(1);
});
});
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