ensure layout editing is allowed outside of tmux sessions

lib/teamocil/cli.rb

@@ -12,8 +12,6 @@ module Teamocil
     # @param argv [Hash] the command line parameters hash (usually `ARGV`).
     # @param env [Hash] the environment variables hash (usually `ENV`).
     def initialize(argv, env) # {{{
-      bail "You must be in a tmux session to use teamocil" unless env["TMUX"]
-
       parse_options! argv
       layout_path = File.join("#{env["HOME"]}", ".teamocil")
 
@@ -30,9 +28,12 @@ module Teamocil
 
       if @options[:edit]
         ::FileUtils.touch file unless File.exists?(file)
-        system("$EDITOR \"#{file}\"")
+
+        Kernel.system("$EDITOR \"#{file}\"")
       else
         bail "There is no file \"#{file}\"" unless File.exists?(file)
+        bail "You must be in a tmux session to use teamocil" unless env["TMUX"]
+
         parsed_layout = YAML.load_file(file)
         @layout = Teamocil::Layout.new(parsed_layout, @options)
         @layout.compile!

spec/cli_spec.rb

@@ -4,6 +4,22 @@ describe Teamocil::CLI do
 
   context "executing" do
 
+    context "not in tmux" do
+
+      before do # {{{
+        @fake_env = { "TMUX" => 1, "HOME" => File.join(File.dirname(__FILE__), "fixtures") }
+      end # }}}
+
+      it "should allow editing" do # {{{
+        FileUtils.stub(:touch)
+        Kernel.should_receive(:system).with(any_args())
+
+        @cli = Teamocil::CLI.new(["--edit", "my-layout"], @fake_env)
+      end # }}}
+    end
+
+    context "in tmux" do
+
       before do # {{{
         @fake_env = { "TMUX" => 1, "HOME" => File.join(File.dirname(__FILE__), "fixtures") }
       end # }}}
@@ -24,3 +40,4 @@ describe Teamocil::CLI do
     end
 
   end
+end

teamocil.gemspec

@@ -25,5 +25,4 @@ spec = Gem::Specification.new do |s|
   s.add_development_dependency "rspec"
   s.add_development_dependency "yard"
   s.add_development_dependency "maruku"
-
 end