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/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { vi, describe, it, expect, beforeEach, afterEach, Mock } from 'vitest';
import {
cacheGoogleAccount,
getCachedGoogleAccount,
clearCachedGoogleAccount,
getLifetimeGoogleAccounts,
} from './user_account.js';
import * as fs from 'node:fs';
import * as os from 'node:os';
import path from 'node:path';
vi.mock('os', async (importOriginal) => {
const os = await importOriginal<typeof import('os')>();
return {
...os,
homedir: vi.fn(),
};
});
describe('user_account', () => {
let tempHomeDir: string;
const accountsFile = () =>
path.join(tempHomeDir, '.gemini', 'google_accounts.json');
beforeEach(() => {
tempHomeDir = fs.mkdtempSync(
path.join(os.tmpdir(), 'gemini-cli-test-home-'),
);
(os.homedir as Mock).mockReturnValue(tempHomeDir);
});
afterEach(() => {
fs.rmSync(tempHomeDir, { recursive: true, force: true });
vi.clearAllMocks();
});
describe('cacheGoogleAccount', () => {
it('should create directory and write initial account file', async () => {
await cacheGoogleAccount('[email protected]');
// Verify Google Account ID was cached
expect(fs.existsSync(accountsFile())).toBe(true);
expect(fs.readFileSync(accountsFile(), 'utf-8')).toBe(
JSON.stringify({ active: '[email protected]', old: [] }, null, 2),
);
});
it('should update active account and move previous to old', async () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(
accountsFile(),
JSON.stringify(
{ active: '[email protected]', old: ['[email protected]'] },
null,
2,
),
);
await cacheGoogleAccount('[email protected]');
expect(fs.readFileSync(accountsFile(), 'utf-8')).toBe(
JSON.stringify(
{
active: '[email protected]',
old: ['[email protected]', '[email protected]'],
},
null,
2,
),
);
});
it('should not add a duplicate to the old list', async () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(
accountsFile(),
JSON.stringify(
{ active: '[email protected]', old: ['[email protected]'] },
null,
2,
),
);
await cacheGoogleAccount('[email protected]');
await cacheGoogleAccount('[email protected]');
expect(fs.readFileSync(accountsFile(), 'utf-8')).toBe(
JSON.stringify(
{ active: '[email protected]', old: ['[email protected]'] },
null,
2,
),
);
});
it('should handle corrupted JSON by starting fresh', async () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(accountsFile(), 'not valid json');
const consoleDebugSpy = vi
.spyOn(console, 'debug')
.mockImplementation(() => {});
await cacheGoogleAccount('[email protected]');
expect(consoleDebugSpy).toHaveBeenCalled();
expect(JSON.parse(fs.readFileSync(accountsFile(), 'utf-8'))).toEqual({
active: '[email protected]',
old: [],
});
});
});
describe('getCachedGoogleAccount', () => {
it('should return the active account if file exists and is valid', () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(
accountsFile(),
JSON.stringify({ active: '[email protected]', old: [] }, null, 2),
);
const account = getCachedGoogleAccount();
expect(account).toBe('[email protected]');
});
it('should return null if file does not exist', () => {
const account = getCachedGoogleAccount();
expect(account).toBeNull();
});
it('should return null if file is empty', () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(accountsFile(), '');
const account = getCachedGoogleAccount();
expect(account).toBeNull();
});
it('should return null and log if file is corrupted', () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(accountsFile(), '{ "active": "[email protected]"'); // Invalid JSON
const consoleDebugSpy = vi
.spyOn(console, 'debug')
.mockImplementation(() => {});
const account = getCachedGoogleAccount();
expect(account).toBeNull();
expect(consoleDebugSpy).toHaveBeenCalled();
});
});
describe('clearCachedGoogleAccount', () => {
it('should set active to null and move it to old', async () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(
accountsFile(),
JSON.stringify(
{ active: '[email protected]', old: ['[email protected]'] },
null,
2,
),
);
await clearCachedGoogleAccount();
const stored = JSON.parse(fs.readFileSync(accountsFile(), 'utf-8'));
expect(stored.active).toBeNull();
expect(stored.old).toEqual(['[email protected]', '[email protected]']);
});
it('should handle empty file gracefully', async () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(accountsFile(), '');
await clearCachedGoogleAccount();
const stored = JSON.parse(fs.readFileSync(accountsFile(), 'utf-8'));
expect(stored.active).toBeNull();
expect(stored.old).toEqual([]);
});
});
describe('getLifetimeGoogleAccounts', () => {
it('should return 0 if the file does not exist', () => {
expect(getLifetimeGoogleAccounts()).toBe(0);
});
it('should return 0 if the file is empty', () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(accountsFile(), '');
expect(getLifetimeGoogleAccounts()).toBe(0);
});
it('should return 0 if the file is corrupted', () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(accountsFile(), 'invalid json');
const consoleDebugSpy = vi
.spyOn(console, 'debug')
.mockImplementation(() => {});
expect(getLifetimeGoogleAccounts()).toBe(0);
expect(consoleDebugSpy).toHaveBeenCalled();
});
it('should return 1 if there is only an active account', () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(
accountsFile(),
JSON.stringify({ active: '[email protected]', old: [] }),
);
expect(getLifetimeGoogleAccounts()).toBe(1);
});
it('should correctly count old accounts when active is null', () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(
accountsFile(),
JSON.stringify({
active: null,
old: ['[email protected]', '[email protected]'],
}),
);
expect(getLifetimeGoogleAccounts()).toBe(2);
});
it('should correctly count both active and old accounts', () => {
fs.mkdirSync(path.dirname(accountsFile()), { recursive: true });
fs.writeFileSync(
accountsFile(),
JSON.stringify({
active: '[email protected]',
old: ['[email protected]', '[email protected]'],
}),
);
expect(getLifetimeGoogleAccounts()).toBe(3);
});
});
});
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