From 50eb90a50338c9ff706348d12ad08ddad4ae6fc4 Mon Sep 17 00:00:00 2001
From: Josh Gross <jogros@microsoft.com>
Date: Thu, 31 Oct 2019 14:02:15 -0400
Subject: [PATCH] Prevent commands from executing during tests

---
 jest.config.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/jest.config.js b/jest.config.js
index 563d4cc..fa550fc 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -8,4 +8,15 @@ module.exports = {
     '^.+\\.ts$': 'ts-jest'
   },
   verbose: true
+}
+
+const processStdoutWrite = process.stdout.write.bind(process.stdout)
+process.stdout.write = (str, encoding, cb) => {
+  // We don't want :: commands to be executed by the runner during tests
+  // Replace any :: with :
+  if (!str.match(/^::/)) {
+    return processStdoutWrite(str, encoding, cb);
+  } else {
+    return processStdoutWrite(str.replace(/::/g, ":"), encoding, cb);
+  }
 }
\ No newline at end of file