purgecode/tests/unit/git.test.ts

A safe, smart code-cleaning utility for JavaScript/TypeScript projects

import { describe, it, expect, vi } from 'vitest';
import { isGitRepo, getDirtyFiles } from '../../src/utils/git';
import { exec } from 'child_process';

vi.mock('child_process', () => ({
    exec: vi.fn(),
}));

describe('Git Utils', () => {
    it('should detect git repo', async () => {
        // @ts-ignore
        (exec as any).mockImplementation((cmd, opts, cb) => {
            if (typeof opts === 'function') cb = opts;
            cb(null, { stdout: 'true', stderr: '' });
        });

        const result = await isGitRepo('/tmp');
        expect(result).toBe(true);
    });

    it('should return false if not git repo', async () => {
        // @ts-ignore
        (exec as any).mockImplementation((cmd, opts, cb) => {
            if (typeof opts === 'function') cb = opts;
            cb(new Error('Not a git repo'), { stdout: '', stderr: '' });
        });

        const result = await isGitRepo('/tmp');
        expect(result).toBe(false);
    });

    it('should get dirty files', async () => {
        // @ts-ignore
        (exec as any).mockImplementation((cmd, opts, cb) => {
            if (typeof opts === 'function') cb = opts;
            cb(null, { stdout: ' M src/index.ts\n A src/new.ts\n', stderr: '' });
        });

        const files = await getDirtyFiles('/tmp');
        expect(files).toHaveLength(2);
        expect(files[0]).toContain('src/index.ts');
        expect(files[1]).toContain('src/new.ts');
    });
});