From 91f2bc35673b2714fe34c06a98da338fba84346e Mon Sep 17 00:00:00 2001
From: Thibault Jouan <tj@a13.fr>
Date: Tue, 24 Sep 2013 20:16:08 +0000
Subject: [PATCH] Implement Remote#fs

---
 lib/producer/core/remote.rb       |  4 ++++
 spec/producer/core/remote_spec.rb | 18 ++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/lib/producer/core/remote.rb b/lib/producer/core/remote.rb
index e5152b2..bed2936 100644
--- a/lib/producer/core/remote.rb
+++ b/lib/producer/core/remote.rb
@@ -14,6 +14,10 @@ module Producer
         @session ||= Net::SSH.start(@hostname, Etc.getlogin)
       end
 
+      def fs
+        @fs ||= Remote::FS.new(self)
+      end
+
       def execute(command)
         output = ''
         session.open_channel do |channel|
diff --git a/spec/producer/core/remote_spec.rb b/spec/producer/core/remote_spec.rb
index 2475f84..817fab3 100644
--- a/spec/producer/core/remote_spec.rb
+++ b/spec/producer/core/remote_spec.rb
@@ -29,6 +29,24 @@ module Producer::Core
       end
     end
 
+    describe '#fs' do
+      it 'builds a new FS' do
+        expect(Remote::FS).to receive(:new)
+        remote.fs
+      end
+
+      it 'returns the new FS instance' do
+        fs = double('fs')
+        allow(Remote::FS).to receive(:new) { fs }
+        expect(remote.fs).to be fs
+      end
+
+      it 'memoizes the FS' do
+        allow(Remote::FS).to receive(:new) { Object.new }
+        expect(remote.fs).to be remote.fs
+      end
+    end
+
     describe '#execute', :ssh do
       let(:arguments) { 'some remote command' }
       let(:command)   { "echo #{arguments}" }