added test for version output

lib/gitlab-irc/cli.rb

@@ -2,7 +2,7 @@ require 'optparse'
 
 module GitlabIrc
   class Cli
-    def initialize (argv)
+    def initialize(args)
       @options = {}
 
       OptionParser.new do |opts|
@@ -15,13 +15,11 @@ module GitlabIrc
 
         opts.on('-v', '--version', 'Display program version') do
           puts "gitlab-irc #{GitlabIrc::VERSION}"
-          exit
         end
         opts.on('-h', '--help', 'Display this screen') do
           puts opts
-          exit
         end
-      end.parse!
+      end.parse!(args)
     end
   end
 end
\ No newline at end of file

test/gitlab-irc/cli_test.rb

 require_relative '../test_helper'
 
 describe Cli do
-  it 'must have the correct version' do
-    GitlabIrc::VERSION.must_equal '0.1', 'wrong gem version'
+  describe 'version flag' do
+    it 'recognizes the short style switch' do
+      proc { Cli.new ['-v'] }.must_output /^gitlab-irc \d+(\.\d+)*$/
+    end
+    it 'recognizes the long style switch' do
+      proc { Cli.new ['--version'] }.must_output /^gitlab-irc \d+(\.\d+)*$/
+    end
   end
 end
\ No newline at end of file

test/test_helper.rb

@@ -3,6 +3,7 @@ Coveralls.wear!
 
 require 'minitest/autorun'
 require 'minitest/pride'
+
 require File.expand_path('../../lib/gitlab-irc.rb', __FILE__)
 
 include GitlabIrc
\ No newline at end of file