From 9117a9a43cba86d3112f86b10c5ea77baa2c6007 Mon Sep 17 00:00:00 2001
From: Marvin Hagemeister <marvin@deno.com>
Date: Fri, 11 Oct 2024 19:14:10 +0200
Subject: fix(node): make `process.stdout.isTTY` writable (#26130)

Fixes https://github.com/denoland/deno/issues/26123
---
 tests/unit_node/process_test.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'tests/unit_node/process_test.ts')

diff --git a/tests/unit_node/process_test.ts b/tests/unit_node/process_test.ts
index add9e1280..0e0f169d6 100644
--- a/tests/unit_node/process_test.ts
+++ b/tests/unit_node/process_test.ts
@@ -691,6 +691,16 @@ Deno.test({
       assertStrictEquals(process.stdout.clearLine, undefined);
       assertStrictEquals(process.stdout.clearScreenDown, undefined);
     }
+
+    // Allows overwriting `process.stdout.isTTY`
+    // https://github.com/denoland/deno/issues/26123
+    const original = process.stdout.isTTY;
+    try {
+      process.stdout.isTTY = !isTTY;
+      assertEquals(process.stdout.isTTY, !isTTY);
+    } finally {
+      process.stdout.isTTY = original;
+    }
   },
 });
 
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