moving

packages/server/tests/entrypoint.test.ts

@@ -0,0 +1,49 @@
+import { describe, expect, it } from 'vitest';
+import { readFileSync } from 'node:fs';
+import { resolve } from 'node:path';
+import { fileURLToPath, pathToFileURL } from 'node:url';
+import { isDirectModule } from '../src/index.js';
+
+const REPO_ROOT = fileURLToPath(new URL('../../../', import.meta.url));
+
+describe('team server entrypoint detection', () => {
+  it('builds and exports WaggleDance as compiled runtime code before the server', () => {
+    const rootPackage = JSON.parse(readFileSync(resolve(REPO_ROOT, 'package.json'), 'utf8')) as {
+      scripts: Record<string, string>;
+    };
+    const dancePackage = JSON.parse(
+      readFileSync(resolve(REPO_ROOT, 'packages/waggle-dance/package.json'), 'utf8'),
+    ) as {
+      main?: string;
+      types?: string;
+      scripts?: Record<string, string>;
+      exports?: Record<string, { import?: string; types?: string }>;
+    };
+    const build = rootPackage.scripts['build:packages'];
+
+    expect(build.indexOf('../waggle-dance')).toBeGreaterThan(build.indexOf('packages/shared'));
+    expect(build.indexOf('../waggle-dance')).toBeLessThan(build.indexOf('../server'));
+    expect(build).toContain('cd ../waggle-dance && npx tsc --build --force');
+    expect(dancePackage.scripts?.build).toBe('tsc --build --force');
+    expect(dancePackage.main).toBe('dist/index.js');
+    expect(dancePackage.types).toBe('dist/index.d.ts');
+    expect(dancePackage.exports?.['.']).toEqual({
+      types: './dist/index.d.ts',
+      import: './dist/index.js',
+    });
+  });
+
+  it('recognizes the compiled dist entrypoint by URL identity', () => {
+    const distPath = resolve(REPO_ROOT, 'packages/server/dist/index.js');
+
+    expect(isDirectModule(distPath, pathToFileURL(distPath).href)).toBe(true);
+  });
+
+  it('does not start when imported by another process entrypoint', () => {
+    const distPath = resolve(REPO_ROOT, 'packages/server/dist/index.js');
+    const importerUrl = pathToFileURL(resolve(REPO_ROOT, 'packages/server/dist/consumer.js')).href;
+
+    expect(isDirectModule(distPath, importerUrl)).toBe(false);
+    expect(isDirectModule(undefined, importerUrl)).toBe(false);
+  });
+});