Correct boolean handling in generated reader methods. References #2945.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@3092 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/CHANGELOG

@@ -1,5 +1,7 @@
 *SVN*
 
+* Correct boolean handling in generated reader methods.  #2945 [don.park@gmail.com, Stefan Kaes]
+
 * Don't generate read methods for columns whose names are not valid ruby method names.  #2946 [Stefan Kaes]
 
 * Document :force option to create_table.  #2921 [Blair Zajac <blair@orcaware.com>]

activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb

@@ -59,7 +59,7 @@ module ActiveRecord
           when :time      then self.class.string_to_dummy_time(value)
           when :date      then self.class.string_to_date(value)
           when :binary    then self.class.binary_to_string(value)
-          when :boolean   then value == true or (value =~ /^t(rue)?$/i) == 0 or value.to_s == '1'
+          when :boolean   then self.class.value_to_boolean(value)
           else value
         end
       end
@@ -75,7 +75,7 @@ module ActiveRecord
           when :time      then "#{self.class.name}.string_to_dummy_time(#{var_name})"
           when :date      then "#{self.class.name}.string_to_date(#{var_name})"
           when :binary    then "#{self.class.name}.binary_to_string(#{var_name})"
-          when :boolean   then "(#{var_name} == true or (#{var_name} =~ /^t(?:true)?$/i) == 0 or #{var_name}.to_s == '1')"
+          when :boolean   then "#{self.class.name}.value_to_boolean(#{var_name})"
           else nil
         end
       end
@@ -120,6 +120,15 @@ module ActiveRecord
         Time.send(Base.default_timezone, *time_array) rescue nil
       end
 
+      # convert something to a boolean
+      def self.value_to_boolean(value)
+        return value if value==true || value==false
+        case value.to_s.downcase
+        when "true", "t", "1" then true
+        else false
+        end
+      end
+
     private
         def extract_limit(sql_type)
           $1.to_i if sql_type =~ /\((.*)\)/

activerecord/test/abstract_unit.rb

@@ -24,3 +24,6 @@ def current_adapter?(type)
   ActiveRecord::ConnectionAdapters.const_defined?(type) &&
     ActiveRecord::Base.connection.instance_of?(ActiveRecord::ConnectionAdapters.const_get(type))
 end
+
+#ActiveRecord::Base.logger = Logger.new(STDOUT)
+#ActiveRecord::Base.colorize_logging = false

activerecord/test/base_test.rb

@@ -206,6 +206,40 @@ class BasicsTest < Test::Unit::TestCase
     topic = topics(:first)
     topic.approved = false
     assert !topic.approved?, "approved should be false"
+    topic.approved = "false"
+    assert !topic.approved?, "approved should be false"
+  end
+
+  def test_read_attribute_when_true
+    topic = topics(:first)
+    topic.approved = true
+    assert topic.approved?, "approved should be true"
+    topic.approved = "true"
+    assert topic.approved?, "approved should be true"
+  end
+
+  def test_read_write_boolean_attribute
+    topic = Topic.new
+    # puts ""
+    # puts "New Topic"
+    # puts topic.inspect
+    topic.approved = "false"
+    # puts "Expecting false"
+    # puts topic.inspect
+    assert !topic.approved, "approved should be false"
+    topic.approved = "false"
+    # puts "Expecting false"
+    # puts topic.inspect
+    assert !topic.approved, "approved should be false"
+    topic.approved = "true"
+    # puts "Expecting true"
+    # puts topic.inspect
+    assert topic.approved, "approved should be true"
+    topic.approved = "true"
+    # puts "Expecting true"
+    # puts topic.inspect
+    assert topic.approved, "approved should be true"
+    # puts ""
   end
 
   def test_reader_generation