From 4bc174cc628010daac0a9605f0e62363042583b0 Mon Sep 17 00:00:00 2001
From: Markus Reiter <me@reitermark.us>
Date: Wed, 22 Jul 2020 00:38:27 +0200
Subject: [PATCH] Add timeout for all specs.

---
 Library/Homebrew/test/spec_helper.rb | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Library/Homebrew/test/spec_helper.rb b/Library/Homebrew/test/spec_helper.rb
index 337569b431..9e6ee3e826 100644
--- a/Library/Homebrew/test/spec_helper.rb
+++ b/Library/Homebrew/test/spec_helper.rb
@@ -29,6 +29,7 @@ require "rubocop"
 require "rubocop/rspec/support"
 require "find"
 require "byebug"
+require "timeout"
 
 $LOAD_PATH.push(File.expand_path("#{ENV["HOMEBREW_LIBRARY"]}/Homebrew/test/support/lib"))
 
@@ -181,7 +182,19 @@ RSpec.configure do |config|
         $stderr.reopen(File::NULL)
       end
 
-      example.run
+      begin
+        timeout = example.metadata.fetch(:timeout, 60)
+        inner_timeout = nil
+        Timeout.timeout(timeout) do
+          example.run
+        rescue Timeout::Error => e
+          inner_timeout = e
+        end
+      rescue Timeout::Error
+        raise "Example exceeded maximum runtime of #{timeout} seconds."
+      end
+
+      raise inner_timeout if inner_timeout
     rescue SystemExit => e
       raise "Unexpected exit with status #{e.status}."
     ensure