From ab2a46a7f9e9eaaf7ac8dd7bcb3ab1481fb7963a Mon Sep 17 00:00:00 2001
From: noahpatterson <noah@noah-patterson.com>
Date: Tue, 3 Dec 2013 22:07:24 -0500
Subject: [PATCH] engineer and conductor talk to messageBoard

---
 train.rb      | 26 ++++++++++++++++++++++++++
 train_spec.rb | 23 +++++++++++++++++++++++
 train_test.rb | 17 +++++++++++++++++
 3 files changed, 66 insertions(+)
 create mode 100644 train.rb
 create mode 100644 train_spec.rb
 create mode 100644 train_test.rb

diff --git a/train.rb b/train.rb
new file mode 100644
index 0000000..7aa4e0d
--- /dev/null
+++ b/train.rb
@@ -0,0 +1,26 @@
+class Conductor
+	attr_reader :messageBoard
+
+	def initialize(messageBoard)
+		@messageBoard = messageBoard
+	end
+
+	def see_danger_coming!
+		messageBoard.slow_down!
+	end
+end
+
+class Engineer
+	attr_reader :messageBoard
+
+	def initialize(messageBoard)
+		@messageBoard = messageBoard
+	end
+
+	def slows_down
+		messageBoard.confirm_slowdown!
+	end
+end
+
+class MessageBoard
+end
\ No newline at end of file
diff --git a/train_spec.rb b/train_spec.rb
new file mode 100644
index 0000000..343d1c2
--- /dev/null
+++ b/train_spec.rb
@@ -0,0 +1,23 @@
+require 'rspec'
+require '../../../spec_helper'
+require './train'
+
+describe Conductor do
+	let(:messageBoard) {MessageBoard.new}
+	let(:conductor) {Conductor.new(messageBoard)}
+
+	it "should tell the messageboard to slowdown" do
+		messageBoard.should_receive(:slow_down!)
+		conductor.see_danger_coming!
+	end
+end
+
+describe Engineer do
+	let(:messageBoard) {MessageBoard.new}
+	let(:engineer) {Engineer.new(messageBoard)}
+
+	it "should tell the messageBoard slowdown was confirmed" do
+		messageBoard.should_receive(:confirm_slowdown!)
+		engineer.slows_down
+	end
+end
\ No newline at end of file
diff --git a/train_test.rb b/train_test.rb
new file mode 100644
index 0000000..e797660
--- /dev/null
+++ b/train_test.rb
@@ -0,0 +1,17 @@
+require 'minitest/autorun'
+require 'minitest/mock'
+require './train'
+
+class ConductorTest < Minitest::Test
+
+	def setup
+		@engineer = Minitest::Mock.new
+		@conductor = Conductor.new(@engineer)
+	end
+
+	def test_tells_engineer_to_slow_down
+		@engineer.expect(:slow_down!, nil)
+		@conductor.see_danger_coming!
+		@engineer.verify
+	end
+end
\ No newline at end of file