Files
nanoclaw/skills-engine/__tests__/merge.test.ts

72 lines
2.2 KiB
TypeScript

import { describe, it, expect, beforeEach, afterEach } from 'vitest';
import fs from 'fs';
import path from 'path';
import { isGitRepo, mergeFile } from '../merge.js';
import { createTempDir, initGitRepo, cleanup } from './test-helpers.js';
describe('merge', () => {
let tmpDir: string;
const originalCwd = process.cwd();
beforeEach(() => {
tmpDir = createTempDir();
process.chdir(tmpDir);
});
afterEach(() => {
process.chdir(originalCwd);
cleanup(tmpDir);
});
it('isGitRepo returns true in a git repo', () => {
initGitRepo(tmpDir);
expect(isGitRepo()).toBe(true);
});
it('isGitRepo returns false outside a git repo', () => {
expect(isGitRepo()).toBe(false);
});
describe('mergeFile', () => {
beforeEach(() => {
initGitRepo(tmpDir);
});
it('clean merge with no overlapping changes', () => {
const base = path.join(tmpDir, 'base.txt');
const current = path.join(tmpDir, 'current.txt');
const skill = path.join(tmpDir, 'skill.txt');
fs.writeFileSync(base, 'line1\nline2\nline3\n');
fs.writeFileSync(current, 'line1-modified\nline2\nline3\n');
fs.writeFileSync(skill, 'line1\nline2\nline3-modified\n');
const result = mergeFile(current, base, skill);
expect(result.clean).toBe(true);
expect(result.exitCode).toBe(0);
const merged = fs.readFileSync(current, 'utf-8');
expect(merged).toContain('line1-modified');
expect(merged).toContain('line3-modified');
});
it('conflict with overlapping changes', () => {
const base = path.join(tmpDir, 'base.txt');
const current = path.join(tmpDir, 'current.txt');
const skill = path.join(tmpDir, 'skill.txt');
fs.writeFileSync(base, 'line1\nline2\nline3\n');
fs.writeFileSync(current, 'line1-ours\nline2\nline3\n');
fs.writeFileSync(skill, 'line1-theirs\nline2\nline3\n');
const result = mergeFile(current, base, skill);
expect(result.clean).toBe(false);
expect(result.exitCode).toBeGreaterThan(0);
const merged = fs.readFileSync(current, 'utf-8');
expect(merged).toContain('<<<<<<<');
expect(merged).toContain('>>>>>>>');
});
});
});