/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { getCliVersion } from './version.js';
import { getPackageJson } from '@google/gemini-cli-core';
vi.mock('@google/gemini-cli-core', () => ({
    getPackageJson: vi.fn(),
}));
describe('version', () => {
    const originalEnv = process.env;
    beforeEach(() => {
        vi.resetModules();
        process.env = { ...originalEnv };
        vi.mocked(getPackageJson).mockResolvedValue({ version: '1.0.0' });
    });
    afterEach(() => {
        process.env = originalEnv;
    });
    it('should return CLI_VERSION from env if set', async () => {
        process.env['CLI_VERSION'] = '2.0.0';
        const version = await getCliVersion();
        expect(version).toBe('2.0.0');
    });
    it('should return version from package.json if CLI_VERSION is not set', async () => {
        delete process.env['CLI_VERSION'];
        const version = await getCliVersion();
        expect(version).toBe('1.0.0');
    });
    it('should return "unknown" if package.json is not found and CLI_VERSION is not set', async () => {
        delete process.env['CLI_VERSION'];
        vi.mocked(getPackageJson).mockResolvedValue(undefined);
        const version = await getCliVersion();
        expect(version).toBe('unknown');
    });
});
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