Add rspec + first spec

Even basic coverage is better than none.

Change-Id: I173401136e18668290254f551d9c5db70d8630da
Reviewed-on: https://gerrit.causes.com/22788
Tested-by: jenkins <jenkins@causes.com>
Reviewed-by: Aiden Scandella <aiden@causes.com>

Author: Aiden Scandella

Gemfile

@@ -0,0 +1,3 @@
+source 'http://rubygems.org'
+
+gemspec

lib/overcommit/cli.rb

@@ -3,6 +3,7 @@
 module Overcommit
   class CLI
     include ConsoleMethods
+    attr_reader :options
 
     def initialize(arguments = [])
       @arguments = arguments

overcommit.gemspec

@@ -20,4 +20,6 @@ Gem::Specification.new do |s|
   s.files = Dir['lib/**/*.rb'] +
             Dir['bin/**/*'] +
             Dir['config/*.yml']
+
+  s.add_development_dependency 'rspec'
 end

spec/cli_spec.rb

@@ -0,0 +1,32 @@
+require 'spec_helper'
+require 'overcommit/cli'
+
+describe Overcommit::CLI do
+  describe '#parse_arguments' do
+    subject do
+      cli = described_class.new(arguments)
+      cli.parse_arguments
+      cli
+    end
+
+    context 'with no arguments' do
+      let(:arguments) { [] }
+
+      it 'does not set any targets' do
+        subject.options[:targets].should be_empty
+      end
+    end
+
+    context 'with excludes' do
+      let(:arguments) { %w[--exclude hook_name.first,hook_name/second] }
+
+      it 'takes the first part of the name' do
+        subject.options[:excludes]['hook_name'].should_not be_nil
+      end
+
+      it 'creates an array of excludes' do
+        subject.options[:excludes]['hook_name'].should =~ %w[first second]
+      end
+    end
+  end
+end

spec/spec_helper.rb

@@ -0,0 +1,3 @@
+require 'overcommit'
+
+def exit(*args) ; end