fix: code

nodejs · Oct 14, 2023 · f0ca58e · f0ca58e
1 parent 779bb7a
commit f0ca58e
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diff --git a/lib/internal/streams/duplexify.js b/lib/internal/streams/duplexify.js
@@ -84,6 +84,8 @@ module.exports = function duplexify(body, name) {
 
   if (typeof body === 'function') {
     const { value, write, final, destroy } = fromAsyncGen(body);
+
+    // body might be a constructor function instead of an async generator function.
     if (isDuplexNodeStream(value)) {
       return value;
     }

diff --git a/test/parallel/test-runner-run.mjs b/test/parallel/test-runner-run.mjs
@@ -96,6 +96,16 @@ describe('require(\'node:test\').run', { concurrency: true }, () => {
       assert.match(stringResults[1], /tests 1/);
       assert.match(stringResults[1], /pass 1/);
     });
+
+    it('spec', async () => {
+      const result = await run({
+        files: [join(testFixtures, 'default-behavior/test/random.cjs')]
+      }).compose(spec).toArray();
+      const stringResults = result.map((bfr) => bfr.toString());
+      assert.match(stringResults[0], /this should pass/);
+      assert.match(stringResults[1], /tests 1/);
+      assert.match(stringResults[1], /pass 1/);
+    })
   });
 
   it('should be piped with tap', async () => {