fix(runtime): fix Deno.noColor when stdout is not tty (#21208)

1 files changed, 11 insertions, 0 deletions

diff --git a/cli/tests/unit/tty_color_test.ts b/cli/tests/unit/tty_color_test.ts
index 747d92dcc..3adc16b23 100644
--- a/cli/tests/unit/tty_color_test.ts
+++ b/cli/tests/unit/tty_color_test.ts
@@ -13,3 +13,14 @@ Deno.test(
     assertEquals(output, "1\n");
   },
 );
+
+Deno.test(
+  { permissions: { run: true, read: true } },
+  async function denoNoColorIsNotAffectedByNonTty() {
+    const { stdout } = await new Deno.Command(Deno.execPath(), {
+      args: ["eval", "console.log(Deno.noColor)"],
+    }).output();
+    const output = new TextDecoder().decode(stdout);
+    assertEquals(output, "false\n");
+  },
+);