Adds arel tests

spec/arel/inet_spec.rb

@@ -0,0 +1,34 @@
+require 'spec_helper'
+
+describe 'INET related AREL functions' do
+  let!(:adapter) { ActiveRecord::Base.connection }
+  before do
+    adapter.create_table :ip_addresses, :force => true do |t|
+      t.inet :address, :array => true
+    end
+
+    class IpAddress < ActiveRecord::Base
+      attr_accessible :address
+    end
+  end
+
+  after do
+    adapter.drop_table :ip_addresses
+    Object.send(:remove_const, :IpAddress)
+  end
+
+  describe 'quoting IPAddr in sql statement' do
+    it 'properly converts IPAddr to quoted strings when passed as an argument to a where clause' do
+      IpAddress.where(:address => IPAddr.new('127.0.0.1')).to_sql.should include("'127.0.0.1/32'")
+    end
+  end
+
+  describe 'cotained with (<<) operator' do
+    it 'converts Arel contained_within statemnts to <<' do
+      arel_table = IpAddress.arel_table
+
+      arel_table.where(arel_table[:address].contained_within(IPAddr.new('127.0.0.1/24'))).to_sql.should match /<< '127.0.0.0\/24'/
+
+    end
+  end
+end