Add a couple of specs for running metrical

.metrics

@@ -1,4 +1,8 @@
 #!/usr/bin/env ruby
+
+# For testing that this file gets loaded
+puts "Metrics config loaded"
+
 MetricFu::Configuration.run do |config|
   config.metrics -= [ :rcov ]
 end

bin/metrical

@@ -1,4 +1,4 @@
 #!/usr/bin/env ruby
 
 require "metrical"
-Metrical.run(*ARGV)
+Metrical.run(ARGV.dup)

lib/metrical.rb

@@ -1,4 +1,5 @@
 require "metrical/version"
+require "metrical/options"
 
 require 'rubygems'
 require 'json'
@@ -11,11 +12,12 @@
 module Metrical
   extend self
 
-  def run(*)
+  def run(argv)
+    options = Options.parse(argv)
     load_settings
     load_user_configuration
     run_metric_fu
-    open_in_browser
+    open_in_browser if options[:open]
   end
 
   def load_settings(ruby_version = RUBY_VERSION)

lib/metrical/options.rb

@@ -0,0 +1,23 @@
+require 'optparse'
+
+module Metrical
+  module Options
+
+    def self.parse(argv)
+      options = { :open => true }
+      opts = OptionParser.new do |opts|
+
+        opts.version = Metrical::VERSION
+
+        opts.on "--[no-]open", "Automatically open report in browser" do |open|
+          options[:open] = open
+        end
+
+      end
+
+      opts.parse!(argv)
+      options
+    end
+
+  end
+end

spec/metrical_spec.rb → spec/configuration_spec.rb

@@ -1,7 +1,6 @@
-require 'bundler/setup'
-require 'metrical'
+require 'spec_helper'
 
-describe Metrical do
+describe Metrical, "configuration" do
 
   it "won't use rcov under ruby 1.9" do
     Metrical.load_settings("1.9.3")

spec/running_spec.rb

@@ -0,0 +1,16 @@
+require 'spec_helper'
+
+describe Metrical, "running" do
+
+  around do |example|
+    stdin, stdout, stderr = Open3.popen3("metrical --no-open")
+    @stdout = stdout.read
+    @stderr = stderr.read
+    example.run
+  end
+
+  it "loads the .metrics file" do
+    @stdout.should include "Metrics config loaded"
+  end
+
+end

spec/spec_helper.rb

@@ -0,0 +1,2 @@
+require 'bundler/setup'
+require 'metrical'