chore: add tests

Author: Flo0806

test/unit/install-scripts.spec.ts

@@ -0,0 +1,62 @@
+import { describe, expect, it } from 'vitest'
+import { extractInstallScriptsInfo } from '../../app/utils/install-scripts'
+
+describe('extractInstallScriptsInfo', () => {
+  it('returns null when no install scripts exist', () => {
+    expect(extractInstallScriptsInfo(undefined)).toBeNull()
+    expect(extractInstallScriptsInfo({})).toBeNull()
+    expect(extractInstallScriptsInfo({ build: 'vite build', test: 'vitest' })).toBeNull()
+  })
+
+  it('detects all install script types with content', () => {
+    const scripts = {
+      preinstall: 'node check.js',
+      install: 'node-gyp rebuild',
+      postinstall: 'node setup.js',
+      build: 'vite build', // should be ignored
+    }
+    const result = extractInstallScriptsInfo(scripts)
+    expect(result).toEqual({
+      scripts: ['preinstall', 'install', 'postinstall'],
+      content: {
+        preinstall: 'node check.js',
+        install: 'node-gyp rebuild',
+        postinstall: 'node setup.js',
+      },
+      npxDependencies: {},
+    })
+  })
+
+  it('extracts npx packages with versions and flags', () => {
+    const scripts = {
+      preinstall: 'npx only-allow pnpm',
+      postinstall: 'npx -y prisma@5.0.0 generate && npx --yes @scope/pkg db push',
+    }
+    const result = extractInstallScriptsInfo(scripts)
+    expect(result).toEqual({
+      scripts: ['preinstall', 'postinstall'],
+      content: {
+        preinstall: 'npx only-allow pnpm',
+        postinstall: 'npx -y prisma@5.0.0 generate && npx --yes @scope/pkg db push',
+      },
+      npxDependencies: {
+        'only-allow': 'latest',
+        'prisma': '5.0.0',
+        '@scope/pkg': 'latest',
+      },
+    })
+  })
+
+  it('ignores npx in non-install scripts and built-in commands', () => {
+    const scripts = {
+      prepare: 'npx husky install', // ignored - not install script
+      postinstall: 'npx node script.js', // node is filtered as builtin
+    }
+    const result = extractInstallScriptsInfo(scripts)
+    expect(result).toEqual({
+      scripts: ['postinstall'],
+      content: { postinstall: 'npx node script.js' },
+      npxDependencies: {},
+    })
+  })
+})