add ability to test full comamnd line

spec/spec_helper.rb

@@ -12,6 +12,10 @@ def mock_error(subject, message)
   end
 end
 
+def foreman(args)
+  Foreman::CLI.start(args.split(" "))
+end
+
 def mock_exit(&block)
   block.should raise_error(SystemExit)
 end
@@ -33,6 +37,12 @@ def write_procfile(procfile="Procfile")
   File.expand_path(procfile)
 end
 
+def write_env(env=".env")
+  File.open(env, "w") do |file|
+    file.puts "FOO=bar"
+  end
+end
+
 def load_export_templates_into_fakefs(type)
   FakeFS.deactivate!
   files = Dir[File.expand_path("../../data/export/#{type}/**", __FILE__)].inject({}) do |hash, file|