Merge pull request #11 from derek-watson/master

Added proper typecasting for integer arrays

README.textile

@@ -30,7 +30,7 @@ activerecord-postgres-hstore and activerecord-postgres-array both monkeypatch @A
 h2. Current limitations
 
 * Parsing of multi-dimensional postgres array strings is currently not implemented.
-* String and Decimal arrays have been tested, but other array types have not been.  Type casting will need to be implemented for booleans, dates, etc
+* String, Decimal and Integer arrays have been tested, but other array types have not been.  Type casting will need to be implemented for booleans, dates, etc
 
 h3. Future enhancements
 

lib/activerecord-postgres-array/string.rb

@@ -28,9 +28,11 @@ def from_postgres_array(base_type = :string)
 
       if base_type == :decimal
         elements.collect(&:to_d)
+      elsif base_type == :integer
+        elements.collect(&:to_i)
       else
         elements
       end
     end
   end
-end
+end

spec/integration_spec.rb

@@ -3,10 +3,12 @@
 describe Article do
   describe ".create" do
     it "builds valid arrays" do
-      article = Article.create(:languages => ["English", "German"])
+      article = Article.create(:languages => ["English", "German"], :author_ids => [1,2,3])
       article.reload
       article.languages_before_type_cast.should == "{English,German}"
       article.languages.should == ["English", "German"]
+      article.author_ids_before_type_cast.should == "{1,2,3}"
+      article.author_ids.should == [1,2,3]
     end
 
     it "escapes single quotes correctly" do

spec/internal/db/schema.rb

@@ -1,6 +1,7 @@
 ActiveRecord::Schema.define do
   create_table(:articles, :force => true) do |t|
-    t.string       :name
-    t.string_array :languages
+    t.string        :name
+    t.string_array  :languages
+    t.integer_array :author_ids
   end
 end

spec/spec_helper.rb

@@ -1,5 +1,6 @@
 require 'rubygems'
 require 'bundler'
+require 'active_support/dependencies'
 
 Bundler.require :default, :development