import { describe, it, expect, beforeEach, vi } from 'vitest';import type { SimpleGit } from 'simple-git';import * as Logger from '../shared/logger.js';import { scanCommittedFixes, clearScanCommittedFixesCache } from '../shared/git/git-commit-scan.js'; beforeEach(() => {  clearScanCommittedFixesCache();}); describe('scanCommittedFixes cache', () => {  it('skips git log on cache hit for same workdir, branch, and HEAD', async () => {    let logCalls = 0;    const git = {      raw: vi.fn(async (args: string[]) => {        if (args[0] === 'rev-parse' && args[1] === '--verify') {          if (args[2] === 'origin/main') return 'abc123\n';          const err = new Error('unknown ref');          throw err;        }        if (args[0] === 'log') {          logCalls++;          return 'prr-fix:IC_cached_marker\n';        }        return '';      }),    } as unknown as SimpleGit;     const a = await scanCommittedFixes(git, 'feature/x', { workdir: '/tmp/prr-w', headSha: 'deadbeef01' });    expect(logCalls).toBe(1);    await scanCommittedFixes(git, 'feature/x', { workdir: '/tmp/prr-w', headSha: 'deadbeef01' });    expect(a).toEqual(['IC_cached_marker']);    expect(logCalls).toBe(1);  });   it('captures multiple prr-fix markers on one commit message line', async () => {    const git = {      raw: vi.fn(async (args: string[]) => {        if (args[0] === 'rev-parse' && args[1] === '--verify') {          if (args[2] === 'origin/main') return 'abc\n';          throw new Error('no');        }        if (args[0] === 'log') {          return 'prr-fix:IC_a prr-fix:IC_b\n';        }        return '';      }),    } as unknown as SimpleGit;     const ids = await scanCommittedFixes(git, 'feature/y');    expect(ids.sort()).toEqual(['IC_a', 'IC_b'].sort());  });   it('does not use cache when workdir or headSha omitted', async () => {    let logCalls = 0;    const git = {      raw: vi.fn(async (args: string[]) => {        if (args[0] === 'rev-parse' && args[1] === '--verify') {          if (args[2] === 'origin/main') return 'abc\n';          throw new Error('no');        }        if (args[0] === 'log') {          logCalls++;          return 'prr-fix:IC_one\n';        }        return '';      }),    } as unknown as SimpleGit;     await scanCommittedFixes(git, 'b');    await scanCommittedFixes(git, 'b');    expect(logCalls).toBe(2);  });   it('warns once when no merge base ref exists (n100 fallback)', async () => {    const warnSpy = vi.spyOn(Logger, 'warn').mockImplementation(() => {});    const git = {      raw: vi.fn(async (args: string[]) => {        if (args[0] === 'rev-parse' && args[1] === '--verify') {          throw new Error('unknown ref');        }        if (args[0] === 'log') {          return 'prr-fix:IC_fallback\n';        }        return '';      }),    } as unknown as SimpleGit;     await scanCommittedFixes(git, 'feature/z', { workdir: '/tmp/warn-base', headSha: 'aaa' });    await scanCommittedFixes(git, 'feature/z', { workdir: '/tmp/warn-base', headSha: 'bbb' });    expect(warnSpy).toHaveBeenCalledTimes(1);    expect(String(warnSpy.mock.calls[0]?.[0])).toContain('Git recovery scan');    expect(String(warnSpy.mock.calls[0]?.[0])).toContain('100');    warnSpy.mockRestore();  });   it('warns once when pr base ref missing (mentions origin/<base>)', async () => {    const warnSpy = vi.spyOn(Logger, 'warn').mockImplementation(() => {});    const git = {      raw: vi.fn(async (args: string[]) => {        if (args[0] === 'rev-parse' && args[1] === '--verify') {          throw new Error('unknown ref');        }        if (args[0] === 'log') return '';        return '';      }),    } as unknown as SimpleGit;     await scanCommittedFixes(git, 'feature/z', {      workdir: '/tmp/warn-prbase',      headSha: 'ccc',      prBaseBranch: 'staging',    });    expect(warnSpy).toHaveBeenCalledWith(expect.stringMatching(/origin\/staging/));    warnSpy.mockRestore();  });   it('warns once when git log scan throws', async () => {    const warnSpy = vi.spyOn(Logger, 'warn').mockImplementation(() => {});    const git = {      raw: vi.fn(async (args: string[]) => {        if (args[0] === 'rev-parse' && args[1] === '--verify') {          if (args[2] === 'origin/main') return 'abc\n';          throw new Error('no');        }        if (args[0] === 'log') {          throw new Error('git log exploded');        }        return '';      }),    } as unknown as SimpleGit;     const a = await scanCommittedFixes(git, 'feature/e', { workdir: '/tmp/warn-log', headSha: 'ddd' });    const b = await scanCommittedFixes(git, 'feature/e', { workdir: '/tmp/warn-log', headSha: 'eee' });    expect(a).toEqual([]);    expect(b).toEqual([]);    expect(warnSpy).toHaveBeenCalledTimes(1);    expect(String(warnSpy.mock.calls[0]?.[0])).toContain('Git recovery scan failed');    warnSpy.mockRestore();  });});