From 22613059f1d33e89be5e84a73b967839adb7b674 Mon Sep 17 00:00:00 2001
From: Thibault Jouan <tj@a13.fr>
Date: Thu, 9 Jan 2014 01:22:43 +0000
Subject: [PATCH] Change Env#output as read-only attribute

---
 lib/producer/core/env.rb       | 3 ++-
 spec/producer/core/env_spec.rb | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/lib/producer/core/env.rb b/lib/producer/core/env.rb
index 183d195..515260c 100644
--- a/lib/producer/core/env.rb
+++ b/lib/producer/core/env.rb
@@ -1,7 +1,8 @@
 module Producer
   module Core
     class Env
-      attr_accessor :output, :target
+      attr_reader   :output
+      attr_accessor :target
 
       def initialize(output: $stdout)
         @output = output
diff --git a/spec/producer/core/env_spec.rb b/spec/producer/core/env_spec.rb
index e921254..c5df8ce 100644
--- a/spec/producer/core/env_spec.rb
+++ b/spec/producer/core/env_spec.rb
@@ -7,7 +7,7 @@ module Producer::Core
 
     describe '#initialize' do
       it 'assigns $stdout as the default output' do
-        expect(env.instance_eval { @output }).to eq $stdout
+        expect(env.output).to be $stdout
       end
 
       it 'assigns no default target' do
@@ -18,7 +18,7 @@ module Producer::Core
         subject(:env) { Env.new(output: output) }
 
         it 'assigns the given output' do
-          expect(env.instance_eval { @output }).to eq output
+          expect(env.output).to eq output
         end
       end
     end