From 47363ad14b4638b51026e0ea1f56d469e15cf5c9 Mon Sep 17 00:00:00 2001
From: Sven Weidauer <sven@5sw.de>
Date: Mon, 6 Jun 2022 10:58:40 +0200
Subject: [PATCH] Fail if test_hook cannot be run

---
 spec/test_hook_spec.rb | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/spec/test_hook_spec.rb b/spec/test_hook_spec.rb
index 167de49..a17c07b 100644
--- a/spec/test_hook_spec.rb
+++ b/spec/test_hook_spec.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require 'English'
+
 describe 'Test Hook' do
   it 'adds spaces around =' do
     out = run 'a=b'
@@ -13,10 +15,14 @@ describe 'Test Hook' do
   end
 
   def run(input)
-    IO.popen ['ruby', "#{__dir__}/test_hook.rb"], mode: File::RDWR do |io|
+    result = IO.popen ['ruby', "#{__dir__}/test_hook.rb"], mode: File::RDWR do |io|
       io.write input
       io.close_write
       io.read.chomp
     end
+
+    raise 'Cannot run test_hook.rb' unless $CHILD_STATUS.success?
+
+    result
   end
 end