1  import assert from 'node:assert/strict'
 2  import fs from 'fs'
 3  import os from 'os'
 4  import path from 'path'
 5  import { afterEach, describe, it } from 'node:test'
 6  import { resolveDevServerLaunchDir } from '@/lib/server/runtime/devserver-launch'
 7  
 8  const tempDirs: string[] = []
 9  
10  afterEach(() => {
11    while (tempDirs.length) {
12      const dir = tempDirs.pop()
13      if (!dir) continue
14      fs.rmSync(dir, { recursive: true, force: true })
15    }
16  })
17  
18  function makeTempDir(): string {
19    const dir = fs.mkdtempSync(path.join(os.tmpdir(), 'swarmclaw-devserver-launch-'))
20    tempDirs.push(dir)
21    return dir
22  }
23  
24  describe('resolveDevServerLaunchDir', () => {
25    it('resolves the repo root when launched from src/app', () => {
26      const repoRoot = path.resolve(process.cwd())
27      const nested = path.join(repoRoot, 'src', 'app')
28      const result = resolveDevServerLaunchDir(nested)
29      assert.equal(result.launchDir, repoRoot)
30      assert.equal(result.packageRoot, repoRoot)
31      assert.equal(result.framework, 'next')
32    })
33  
34    it('returns the nearest npm package root for nested package folders', () => {
35      const root = makeTempDir()
36      const nested = path.join(root, 'src', 'feature')
37      fs.mkdirSync(nested, { recursive: true })
38      fs.writeFileSync(path.join(root, 'package.json'), JSON.stringify({
39        name: 'fixture',
40        scripts: { dev: 'vite' },
41        devDependencies: { vite: '^6.0.0' },
42      }))
43  
44      const result = resolveDevServerLaunchDir(nested)
45      assert.equal(result.launchDir, root)
46      assert.equal(result.packageRoot, root)
47      assert.equal(result.framework, 'npm')
48    })
49  
50    it('falls back to the input directory when no package root exists', () => {
51      const root = makeTempDir()
52      const nested = path.join(root, 'plain', 'folder')
53      fs.mkdirSync(nested, { recursive: true })
54  
55      const result = resolveDevServerLaunchDir(nested)
56      assert.equal(result.launchDir, nested)
57      assert.equal(result.packageRoot, null)
58      assert.equal(result.framework, 'unknown')
59    })
60  })