add the set command

lib/mayl.rb

@@ -1,4 +1,5 @@
 require "mayl/version"
+require "mayl/commands"
 
 # Public: Mayl is an anagram of YAML, and also a console to create, edit and
 # maintain YAML files in any kind of Ruby projects.

lib/mayl/commands.rb

@@ -0,0 +1,8 @@
+module Mayl
+  # Public: The Commands module is a namespace for all the commands that Mayl
+  # uses.
+  module Commands
+  end
+end
+
+require 'mayl/commands/set'

lib/mayl/commands/set.rb

@@ -0,0 +1,53 @@
+module Mayl
+  module Commands
+    # Public: The Set command accepts a key and asks the user to type in the
+    # translations for that key in each of the locales.
+    #
+    # Example
+    # 
+    #   command = Set.new(env, 'activerecord.models.post')
+    #   command.execute
+    #     ca: <type something>
+    #     en: <type something>
+    #   # Now locales have those values set.
+    #
+    class Set
+      attr_reader :key
+
+      # Public: Initializes a new Set command.
+      #
+      # env - the global environment
+      # key - the String key to be set
+      def initialize(env, key)
+        @env = env
+        @key = key
+      end
+
+      # Public: Executes the command, iterating over each locale, asking the
+      # user for a value, and setting it.
+      #
+      # Returns nothing.
+      def execute
+        locales.each do |locale|
+          print "  #{locale}: "
+          locale.set qualified_key, gets.chomp
+        end
+      end
+
+      #######
+      private
+      #######
+
+      # Public: Returns an Array with the locales of the environment.
+      def locales
+        @env.locales
+      end
+
+      # Public: Returns the given String key according to the qualified
+      # namespace we are in.
+      def qualified_key
+        [@env.namespace.to_s, @key].join('.')
+      end
+    end
+  end
+end

mayl.gemspec

@@ -18,5 +18,7 @@ Gem::Specification.new do |gem|
   gem.add_development_dependency 'yard'
   gem.add_development_dependency 'yard-tomdoc'
   gem.add_development_dependency 'redcarpet'
+
   gem.add_development_dependency 'minitest'
+  gem.add_development_dependency 'mocha'
 end

test/mayl/commands/set_test.rb

@@ -0,0 +1,22 @@
+require 'test_helper'
+
+module Mayl
+  module Commands
+    describe Set do
+      before do
+        @locales = [stub(to_s: 'ca'), stub(to_s: 'en')]
+        @env     = stub locales: @locales, namespace: 'activerecord'
+        @command = Set.new @env, 'models.post'
+      end
+
+      it 'lets the user enter a value for the key in each of the locales' do
+        @command.expects(:gets).twice.returns('Article', 'Post') # User interaction
+
+        @locales.first.expects(:set).with('activerecord.models.post', 'Article')
+        @locales.last.expects(:set).with('activerecord.models.post', 'Post')
+
+        @command.execute 
+      end
+    end
+  end
+end

test/test_helper.rb

@@ -1,4 +1,5 @@
 gem 'minitest'
 require 'minitest/spec'
 require 'minitest/autorun'
+require 'mocha'
 require 'mayl'