Initial import of zappier-edge from zapier monorepo

tests/paths.test.ts

@@ -0,0 +1,21 @@
+import fs from 'fs';
+import path from 'path';
+import { PROJECT_ROOT } from '../src/paths';
+
+// The server must work from any working directory (systemd, Docker, cron,
+// `node dist/index.js` launched from elsewhere), so every runtime path is
+// resolved from PROJECT_ROOT rather than process.cwd().
+describe('PROJECT_ROOT', () => {
+  it('points at the project root regardless of cwd', () => {
+    expect(path.isAbsolute(PROJECT_ROOT)).toBe(true);
+    expect(fs.existsSync(path.join(PROJECT_ROOT, 'package.json'))).toBe(true);
+  });
+
+  it('resolves the OpenAPI spec served at /docs', () => {
+    expect(fs.existsSync(path.join(PROJECT_ROOT, 'openapi.yaml'))).toBe(true);
+  });
+
+  it('resolves the admin static assets served at /admin', () => {
+    expect(fs.existsSync(path.join(PROJECT_ROOT, 'admin', 'index.html'))).toBe(true);
+  });
+});