From 8212043eac91630816c030fc0b3b4f234324e3d4 Mon Sep 17 00:00:00 2001
From: tianrking <tianrking@users.noreply.github.com>
Date: Thu, 16 Jul 2026 19:36:56 +0800
Subject: [PATCH] fix: report TAP timeouts without crashing

---
 lib/reporters/tap.js                          |  4 ++-
 test-tap/reporters/tap.js                     |  1 +
 .../reporters/tap.timeoutinsinglefile.v22.log | 27 +++++++++++++++++++
 .../reporters/tap.timeoutinsinglefile.v24.log | 27 +++++++++++++++++++
 .../reporters/tap.timeoutinsinglefile.v26.log | 27 +++++++++++++++++++
 5 files changed, 85 insertions(+), 1 deletion(-)
 create mode 100644 test-tap/reporters/tap.timeoutinsinglefile.v22.log
 create mode 100644 test-tap/reporters/tap.timeoutinsinglefile.v24.log
 create mode 100644 test-tap/reporters/tap.timeoutinsinglefile.v26.log

diff --git a/lib/reporters/tap.js b/lib/reporters/tap.js
index 7884db59f..2aea606fd 100644
--- a/lib/reporters/tap.js
+++ b/lib/reporters/tap.js
@@ -6,6 +6,8 @@ import indentString from 'indent-string';
 import plur from 'plur';
 import * as supertap from 'supertap';
 
+import serializeError from '../serialize-error.js';
+
 import prefixTitle from './prefix-title.js';
 
 function dumpError({
@@ -148,7 +150,7 @@ export default class TapReporter {
 
 		for (const [testFile, tests] of evt.pendingTests) {
 			for (const title of tests) {
-				this.writeTest({testFile, title, err: error}, {passed: false, todo: false, skip: false});
+				this.writeTest({testFile, title, err: serializeError(error)}, {passed: false, todo: false, skip: false});
 			}
 		}
 	}
diff --git a/test-tap/reporters/tap.js b/test-tap/reporters/tap.js
index bac73e913..0ae8eec05 100644
--- a/test-tap/reporters/tap.js
+++ b/test-tap/reporters/tap.js
@@ -50,4 +50,5 @@ test(async t => {
 	t.test('tap reporter - second failFast run', run('failFast2'));
 	t.test('tap reporter - only run', run('only'));
 	t.test('tap reporter - edge cases', run('edgeCases'));
+	t.test('tap reporter - timeout', run('timeoutInSingleFile'));
 });
diff --git a/test-tap/reporters/tap.timeoutinsinglefile.v22.log b/test-tap/reporters/tap.timeoutinsinglefile.v22.log
new file mode 100644
index 000000000..8410b42ff
--- /dev/null
+++ b/test-tap/reporters/tap.timeoutinsinglefile.v22.log
@@ -0,0 +1,27 @@
+TAP version 13
+---tty-stream-chunk-separator
+ok 1 - passes
+---tty-stream-chunk-separator
+ok 2 - passes two
+---tty-stream-chunk-separator
+not ok 3 - slow
+  ---
+    name: Error
+    message: Exited because no new tests completed within the last 2500ms of inactivity
+    at: 'TapReporter.writeTimeout (/lib/reporters/tap.js)'
+  ...
+---tty-stream-chunk-separator
+not ok 4 - slow two
+  ---
+    name: Error
+    message: Exited because no new tests completed within the last 2500ms of inactivity
+    at: 'TapReporter.writeTimeout (/lib/reporters/tap.js)'
+  ...
+---tty-stream-chunk-separator
+
+1..4
+# tests 4
+# pass 2
+# fail 2
+
+---tty-stream-chunk-separator
diff --git a/test-tap/reporters/tap.timeoutinsinglefile.v24.log b/test-tap/reporters/tap.timeoutinsinglefile.v24.log
new file mode 100644
index 000000000..8410b42ff
--- /dev/null
+++ b/test-tap/reporters/tap.timeoutinsinglefile.v24.log
@@ -0,0 +1,27 @@
+TAP version 13
+---tty-stream-chunk-separator
+ok 1 - passes
+---tty-stream-chunk-separator
+ok 2 - passes two
+---tty-stream-chunk-separator
+not ok 3 - slow
+  ---
+    name: Error
+    message: Exited because no new tests completed within the last 2500ms of inactivity
+    at: 'TapReporter.writeTimeout (/lib/reporters/tap.js)'
+  ...
+---tty-stream-chunk-separator
+not ok 4 - slow two
+  ---
+    name: Error
+    message: Exited because no new tests completed within the last 2500ms of inactivity
+    at: 'TapReporter.writeTimeout (/lib/reporters/tap.js)'
+  ...
+---tty-stream-chunk-separator
+
+1..4
+# tests 4
+# pass 2
+# fail 2
+
+---tty-stream-chunk-separator
diff --git a/test-tap/reporters/tap.timeoutinsinglefile.v26.log b/test-tap/reporters/tap.timeoutinsinglefile.v26.log
new file mode 100644
index 000000000..8410b42ff
--- /dev/null
+++ b/test-tap/reporters/tap.timeoutinsinglefile.v26.log
@@ -0,0 +1,27 @@
+TAP version 13
+---tty-stream-chunk-separator
+ok 1 - passes
+---tty-stream-chunk-separator
+ok 2 - passes two
+---tty-stream-chunk-separator
+not ok 3 - slow
+  ---
+    name: Error
+    message: Exited because no new tests completed within the last 2500ms of inactivity
+    at: 'TapReporter.writeTimeout (/lib/reporters/tap.js)'
+  ...
+---tty-stream-chunk-separator
+not ok 4 - slow two
+  ---
+    name: Error
+    message: Exited because no new tests completed within the last 2500ms of inactivity
+    at: 'TapReporter.writeTimeout (/lib/reporters/tap.js)'
+  ...
+---tty-stream-chunk-separator
+
+1..4
+# tests 4
+# pass 2
+# fail 2
+
+---tty-stream-chunk-separator