Add a test suite and an .each iterator on Language class.

lib/speakeasy/language.rb

@@ -14,6 +14,16 @@ def self.supported_language_ids
       end
     end
 
+    # Public: Iterates over all supported languages
+    #
+    # Returns an enumator over the list of supported languages
+    def self.each(&block)
+      languages = Dir.glob("#{DATA_DIR}/*").map do |file|
+        Language.new(File.basename(file))
+      end
+      languages.each(&block)
+    end
+
     def initialize(language)
       filename = File.join(DATA_DIR, language)
 

spec/language_spec.rb

@@ -0,0 +1,32 @@
+require File.dirname(__FILE__) + "/spec_helper"
+
+describe "A Language" do
+  SupportedLanguages = 15
+
+  it "can list the supported language ids" do
+    Speakeasy::Language.supported_language_ids.size.should == SupportedLanguages
+  end
+
+  it "can iterate over all supported languages" do
+    Speakeasy::Language.each.to_a.size.should == SupportedLanguages
+  end
+
+  context "(German)"
+    subject do
+      Speakeasy::Language.new("de")
+    end
+    it "has codepoints" do
+      subject.respond_to? :codepoints
+      subject.codepoints.is_a? Array
+    end
+
+    it "has a native name" do
+      subject.respond_to? :native_name
+      subject.native_name.should == "Deutsch"
+    end
+
+    it "has a anglicized name" do
+      subject.respond_to? :anglicized_name
+      subject.anglicized_name.should == "German"
+    end
+end

spec/spec_helper.rb

@@ -0,0 +1,3 @@
+require 'rubygems'
+require File.dirname(__FILE__)+'/../lib/speakeasy'
+require 'rspec'