From 51a1084455c14bf13e6a4d7f1458c3e12df9c3c0 Mon Sep 17 00:00:00 2001
From: Raz Luvaton <16746759+rluvaton@users.noreply.github.com>
Date: Sat, 6 May 2023 22:55:25 +0300
Subject: [PATCH 1/3] test: display dot report as wide as the terminal width

---
 lib/internal/test_runner/reporter/dot.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/internal/test_runner/reporter/dot.js b/lib/internal/test_runner/reporter/dot.js
index 7dbba5a957894e..c0298fecc215ca 100644
--- a/lib/internal/test_runner/reporter/dot.js
+++ b/lib/internal/test_runner/reporter/dot.js
@@ -2,6 +2,7 @@
 
 module.exports = async function* dot(source) {
   let count = 0;
+  let columns = getLineLength();
   for await (const { type } of source) {
     if (type === 'test:pass') {
       yield '.';
@@ -9,9 +10,16 @@ module.exports = async function* dot(source) {
     if (type === 'test:fail') {
       yield 'X';
     }
-    if ((type === 'test:fail' || type === 'test:pass') && ++count % 20 === 0) {
+    if ((type === 'test:fail' || type === 'test:pass') && ++count % columns === 0) {
       yield '\n';
+
+      // Getting again in case the terminal was resized.
+      columns = getLineLength();
     }
   }
   yield '\n';
 };
+
+function getLineLength() {
+  return Math.max(process.stdout.columns ?? 20, 20);
+}

From 1d8183391ad41c6157c312737b3baa08aa30bbd7 Mon Sep 17 00:00:00 2001
From: Raz Luvaton <16746759+rluvaton@users.noreply.github.com>
Date: Sat, 6 May 2023 22:56:06 +0300
Subject: [PATCH 2/3] fix eslint

---
 lib/internal/test_runner/reporter/dot.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/internal/test_runner/reporter/dot.js b/lib/internal/test_runner/reporter/dot.js
index c0298fecc215ca..5924e2fd245074 100644
--- a/lib/internal/test_runner/reporter/dot.js
+++ b/lib/internal/test_runner/reporter/dot.js
@@ -1,4 +1,5 @@
 'use strict';
+const { MathMax } = primordials;
 
 module.exports = async function* dot(source) {
   let count = 0;
@@ -21,5 +22,5 @@ module.exports = async function* dot(source) {
 };
 
 function getLineLength() {
-  return Math.max(process.stdout.columns ?? 20, 20);
+  return MathMax(process.stdout.columns ?? 20, 20);
 }

From ba64fd4a4f5f0ce4fe574f7e905abf9f66d6df0e Mon Sep 17 00:00:00 2001
From: Raz Luvaton <16746759+rluvaton@users.noreply.github.com>
Date: Wed, 17 May 2023 00:07:57 +0300
Subject: [PATCH 3/3] test_runner: display dot report as wide as the terminal
 width

---
 .../test-runner/output/dot_output_custom_columns.js    | 10 ++++++++++
 .../output/dot_output_custom_columns.snapshot          |  4 ++++
 test/parallel/test-runner-output.mjs                   |  1 +
 3 files changed, 15 insertions(+)
 create mode 100644 test/fixtures/test-runner/output/dot_output_custom_columns.js
 create mode 100644 test/fixtures/test-runner/output/dot_output_custom_columns.snapshot

diff --git a/test/fixtures/test-runner/output/dot_output_custom_columns.js b/test/fixtures/test-runner/output/dot_output_custom_columns.js
new file mode 100644
index 00000000000000..1a76d9c59b1b99
--- /dev/null
+++ b/test/fixtures/test-runner/output/dot_output_custom_columns.js
@@ -0,0 +1,10 @@
+// Flags: --test-reporter=dot
+'use strict';
+process.stdout.columns = 30;
+
+require('../../../common');
+const test = require('node:test');
+
+for (let i = 0; i < 100; i++) {
+  test(i + ' example', () => {});
+}
\ No newline at end of file
diff --git a/test/fixtures/test-runner/output/dot_output_custom_columns.snapshot b/test/fixtures/test-runner/output/dot_output_custom_columns.snapshot
new file mode 100644
index 00000000000000..00a76aa7f54c36
--- /dev/null
+++ b/test/fixtures/test-runner/output/dot_output_custom_columns.snapshot
@@ -0,0 +1,4 @@
+..............................
+..............................
+..............................
+..........
diff --git a/test/parallel/test-runner-output.mjs b/test/parallel/test-runner-output.mjs
index d2fa06b4395095..bd8c9f1bd071ee 100644
--- a/test/parallel/test-runner-output.mjs
+++ b/test/parallel/test-runner-output.mjs
@@ -46,6 +46,7 @@ const tests = [
   { name: 'test-runner/output/unresolved_promise.js' },
   { name: 'test-runner/output/default_output.js', transform: specTransform, tty: true },
   { name: 'test-runner/output/arbitrary-output.js' },
+  { name: 'test-runner/output/dot_output_custom_columns.js', transform: specTransform, tty: true },
 ].map(({ name, tty, transform }) => ({
   name,
   fn: common.mustCall(async () => {