Implement Remote class

spec/producer/core/remote_spec.rb

@@ -0,0 +1,32 @@
+require 'spec_helper'
+
+module Producer::Core
+  describe Remote do
+    let(:hostname)    { 'some_host.example' }
+    subject(:remote)  { Remote.new(hostname) }
+
+    describe '#hostname' do
+      it 'returns the assignated hostname' do
+        expect(remote.hostname).to be hostname
+      end
+    end
+
+    describe '#session' do
+      it 'builds a new SSH session to the remote host' do
+        expect(Net::SSH).to receive(:start).with(hostname, Etc.getlogin)
+        remote.session
+      end
+
+      it 'returns the session' do
+        session = double('SSH session')
+        allow(Net::SSH).to receive(:start) { session }
+        expect(remote.session).to eq session
+      end
+
+      it 'memoizes the session' do
+        allow(Net::SSH).to receive(:start) { Object.new }
+        expect(remote.session).to be remote.session
+      end
+    end
+  end
+end