import type { Octokit } from '@octokit/rest';
import { describe, expect, it, vi } from 'vitest';

import { resolveBranchHead } from '../../convex/githubClient';

describe('resolveBranchHead', () => {
  it('returns the branch tip sha from the branch ref', async () => {
    const getBranch = vi.fn(async () => ({
      data: { commit: { sha: 'deadbeef' } },
    }));
    const octokit = {
      rest: { repos: { getBranch } },
    } as unknown as Octokit;

    const result = await resolveBranchHead(octokit, 'o', 'r', 'main');

    expect(result.sha).toBe('deadbeef');
    expect(getBranch).toHaveBeenCalledWith({
      owner: 'o',
      repo: 'r',
      branch: 'main',
    });
  });
});