From 7d28de9a7991ce83e304600458e26dc958f55aa2 Mon Sep 17 00:00:00 2001
From: Aviv Keller <redyetidev@gmail.com>
Date: Fri, 15 Nov 2024 22:55:13 -0500
Subject: [PATCH] benchmark: add `test-reporters`
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PR-URL: https://github.com/nodejs/node/pull/55757
Refs: https://github.com/nodejs/node/issues/55723
Reviewed-By: Pietro Marchini <pietro.marchini94@gmail.com>
Reviewed-By: Vinícius Lourenço Claro Cardoso <contact@viniciusl.com.br>
Reviewed-By: Raz Luvaton <rluvaton@gmail.com>
---
 benchmark/fixtures/basic-test-runner.js | 11 +++++++
 benchmark/test_runner/test-reporters.js | 41 +++++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 benchmark/fixtures/basic-test-runner.js
 create mode 100644 benchmark/test_runner/test-reporters.js

diff --git a/benchmark/fixtures/basic-test-runner.js b/benchmark/fixtures/basic-test-runner.js
new file mode 100644
index 00000000000000..d57f70da0d40a5
--- /dev/null
+++ b/benchmark/fixtures/basic-test-runner.js
@@ -0,0 +1,11 @@
+const { test } = require('node:test');
+
+test('should pass', () => {});
+test('should fail', () => { throw new Error('fail'); });
+test('should skip', { skip: true }, () => {});
+test('parent', (t) => {
+  t.test('should fail', () => { throw new Error('fail'); });
+  t.test('should pass but parent fail', (t, done) => {
+    setImmediate(done);
+  });
+});
diff --git a/benchmark/test_runner/test-reporters.js b/benchmark/test_runner/test-reporters.js
new file mode 100644
index 00000000000000..4eecd1c4306005
--- /dev/null
+++ b/benchmark/test_runner/test-reporters.js
@@ -0,0 +1,41 @@
+'use strict';
+
+const common = require('../common');
+const { run } = require('node:test');
+const reporters = require('node:test/reporters');
+const { Readable } = require('node:stream');
+const assert = require('node:assert');
+
+const bench = common.createBenchmark(main, {
+  n: [1e4],
+  reporter: Object.keys(reporters),
+});
+
+// No need to run this for every benchmark,
+// it should always be the same data.
+const stream = run({
+  files: ['../fixtures/basic-test-runner.js'],
+});
+let testResults;
+
+async function main({ n, reporter: r }) {
+  testResults ??= await stream.toArray();
+
+  // Create readable streams for each iteration
+  const readables = Array.from({ length: n }, () => Readable.from(testResults));
+
+  // Get the selected reporter
+  const reporter = reporters[r];
+
+  bench.start();
+
+  let noDead;
+  for (const readable of readables) {
+    // Process each readable stream through the reporter
+    noDead = await readable.compose(reporter).toArray();
+  }
+
+  bench.end(n);
+
+  assert.ok(noDead);
+}