Merge pull request #15592 from sgrif/sg-type-cast-from-database

Rename `type_cast` to `type_cast_from_database`

26 files changed, 135 insertions, 132 deletions

diff --git a/activerecord/lib/active_record/associations/collection_association.rb b/activerecord/lib/active_record/associations/collection_association.rb
index c5f7bcae7d..306588ac66 100644
--- a/activerecord/lib/active_record/associations/collection_association.rb
+++ b/activerecord/lib/active_record/associations/collection_association.rb
@@ -57,7 +57,7 @@ module ActiveRecord
       def ids_writer(ids)
         pk_column = reflection.primary_key_column
         ids = Array(ids).reject { |id| id.blank? }
-        ids.map! { |i| pk_column.type_cast(i) }
+        ids.map! { |i| pk_column.type_cast_from_user(i) }
         replace(klass.find(ids).index_by { |r| r.id }.values_at(*ids))
       end
 
diff --git a/activerecord/lib/active_record/associations/join_dependency.rb b/activerecord/lib/active_record/associations/join_dependency.rb
index 35659766d3..fbb4551b22 100644
--- a/activerecord/lib/active_record/associations/join_dependency.rb
+++ b/activerecord/lib/active_record/associations/join_dependency.rb
@@ -144,7 +144,7 @@ module ActiveRecord
         column_aliases = aliases.column_aliases join_root
 
         result_set.each { |row_hash|
-          primary_id = type_caster.type_cast row_hash[primary_key]
+          primary_id = type_caster.type_cast_from_database row_hash[primary_key]
           parent = parents[primary_id] ||= join_root.instantiate(row_hash, column_aliases)
           construct(parent, join_root, row_hash, result_set, seen, model_cache, aliases)
         }
diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb
index ae3785638a..a354cd7503 100644
--- a/activerecord/lib/active_record/attribute_methods/read.rb
+++ b/activerecord/lib/active_record/attribute_methods/read.rb
@@ -123,9 +123,9 @@ module ActiveRecord
           }
 
           if self.class.cache_attribute?(name)
-            @attributes[name] = column.type_cast(value)
+            @attributes[name] = column.type_cast_from_database(value)
           else
-            column.type_cast value
+            column.type_cast_from_database value
           end
         }
       end
diff --git a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
index 684be2e845..abad949ef4 100644
--- a/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
+++ b/activerecord/lib/active_record/attribute_methods/time_zone_conversion.rb
@@ -2,7 +2,7 @@ module ActiveRecord
   module AttributeMethods
     module TimeZoneConversion
       class Type < SimpleDelegator # :nodoc:
-        def type_cast(value)
+        def type_cast_from_database(value)
           convert_time_to_time_zone(super)
         end
 
diff --git a/activerecord/lib/active_record/connection_adapters/column.rb b/activerecord/lib/active_record/connection_adapters/column.rb
index 22decbc2da..72c6990ba5 100644
--- a/activerecord/lib/active_record/connection_adapters/column.rb
+++ b/activerecord/lib/active_record/connection_adapters/column.rb
@@ -17,7 +17,7 @@ module ActiveRecord
 
       delegate :type, :precision, :scale, :limit, :klass, :accessor,
         :text?, :number?, :binary?, :serialized?, :changed?,
-        :type_cast, :type_cast_from_user, :type_cast_for_database,
+        :type_cast_from_user, :type_cast_from_database, :type_cast_for_database,
         :type_cast_for_schema,
         to: :cast_type
 
@@ -52,7 +52,7 @@ module ActiveRecord
       end
 
       def default
-        @default ||= type_cast(@original_default)
+        @default ||= type_cast_from_database(@original_default)
       end
 
       def with_type(type)
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb b/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb
index 971f5eed7e..666d1cf6e3 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/cast.rb
@@ -108,7 +108,7 @@ module ActiveRecord
             if ::Array === value
               value.map {|item| type_cast_array(oid, item)}
             else
-              oid.type_cast value
+              oid.type_cast_from_database value
             end
           end
       end
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb
index 0a48a14b06..88de816d4f 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/hstore.rb
@@ -8,15 +8,15 @@ module ActiveRecord
           end
 
           def type_cast_from_user(value)
-            type_cast(type_cast_for_database(value))
+            type_cast_from_database(type_cast_for_database(value))
           end
 
-          def type_cast_for_database(value)
-            ConnectionAdapters::PostgreSQLColumn.hstore_to_string(value)
+          def type_cast_from_database(value)
+            ConnectionAdapters::PostgreSQLColumn.string_to_hstore(value)
           end
 
-          def cast_value(value)
-            ConnectionAdapters::PostgreSQLColumn.string_to_hstore value
+          def type_cast_for_database(value)
+            ConnectionAdapters::PostgreSQLColumn.hstore_to_string(value)
           end
 
           def accessor
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
index c64cf27797..b4fed1bcab 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/json.rb
@@ -8,15 +8,15 @@ module ActiveRecord
           end
 
           def type_cast_from_user(value)
-            type_cast(type_cast_for_database(value))
+            type_cast_from_database(type_cast_for_database(value))
           end
 
-          def type_cast_for_database(value)
-            ConnectionAdapters::PostgreSQLColumn.json_to_string(value)
+          def type_cast_from_database(value)
+            ConnectionAdapters::PostgreSQLColumn.string_to_json(value)
           end
 
-          def cast_value(value)
-            ConnectionAdapters::PostgreSQLColumn.string_to_json value
+          def type_cast_for_database(value)
+            ConnectionAdapters::PostgreSQLColumn.json_to_string(value)
           end
 
           def accessor
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb b/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb
index a0d8a94c74..c289ba8980 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql/oid/range.rb
@@ -29,7 +29,7 @@ module ActiveRecord
           end
 
           def type_cast_single(value)
-            infinity?(value) ? value : @subtype.type_cast(value)
+            infinity?(value) ? value : @subtype.type_cast_from_database(value)
           end
 
           def cast_value(value)
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index 283ca81f94..71b05cdbae 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -348,14 +348,14 @@ module ActiveRecord
         if supports_extensions?
           res = exec_query "SELECT EXISTS(SELECT * FROM pg_available_extensions WHERE name = '#{name}' AND installed_version IS NOT NULL) as enabled",
             'SCHEMA'
-          res.column_types['enabled'].type_cast res.rows.first.first
+          res.column_types['enabled'].type_cast_from_database res.rows.first.first
         end
       end
 
       def extensions
         if supports_extensions?
           res = exec_query "SELECT extname from pg_extension", "SCHEMA"
-          res.rows.map { |r| res.column_types['extname'].type_cast r.first }
+          res.rows.map { |r| res.column_types['extname'].type_cast_from_database r.first }
         else
           super
         end
diff --git a/activerecord/lib/active_record/nested_attributes.rb b/activerecord/lib/active_record/nested_attributes.rb
index 1242f49e28..8a2a06f2ca 100644
--- a/activerecord/lib/active_record/nested_attributes.rb
+++ b/activerecord/lib/active_record/nested_attributes.rb
@@ -516,7 +516,7 @@ module ActiveRecord
 
     # Determines if a hash contains a truthy _destroy key.
     def has_destroy_flag?(hash)
-      Type::Boolean.new.type_cast(hash['_destroy'])
+      Type::Boolean.new.type_cast_from_user(hash['_destroy'])
     end
 
     # Determines if a new record should be rejected by checking
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb
index 11ab1b4595..38970a66ae 100644
--- a/activerecord/lib/active_record/relation/calculations.rb
+++ b/activerecord/lib/active_record/relation/calculations.rb
@@ -179,7 +179,7 @@ module ActiveRecord
         result = result.map do |attributes|
           values = attributes.values
 
-          columns.zip(values).map { |column, value| column.type_cast value }
+          columns.zip(values).map { |column, value| column.type_cast_from_database value }
         end
         columns.one? ? result.map!(&:first) : result
       end
@@ -379,7 +379,7 @@ module ActiveRecord
     end
 
     def type_cast_using_column(value, column)
-      column ? column.type_cast(value) : value
+      column ? column.type_cast_from_database(value) : value
     end
 
     # TODO: refactor to allow non-string `select_values` (eg. Arel nodes).
diff --git a/activerecord/lib/active_record/type/serialized.rb b/activerecord/lib/active_record/type/serialized.rb
index a1205fa819..9144028576 100644
--- a/activerecord/lib/active_record/type/serialized.rb
+++ b/activerecord/lib/active_record/type/serialized.rb
@@ -9,7 +9,7 @@ module ActiveRecord
         super(subtype)
       end
 
-      def type_cast(value)
+      def type_cast_from_database(value)
         if is_default_value?(value)
           value
         else
@@ -18,7 +18,7 @@ module ActiveRecord
       end
 
       def type_cast_from_user(value)
-        type_cast(type_cast_for_database(value))
+        type_cast_from_database(type_cast_for_database(value))
       end
 
       def type_cast_for_database(value)
diff --git a/activerecord/lib/active_record/type/value.rb b/activerecord/lib/active_record/type/value.rb
index deacc398ef..efcdab1c0e 100644
--- a/activerecord/lib/active_record/type/value.rb
+++ b/activerecord/lib/active_record/type/value.rb
@@ -16,11 +16,8 @@ module ActiveRecord
       # must override this method.
       def type; end
 
-      # Takes an input from the database, or from attribute setters,
-      # and casts it to a type appropriate for this object. This method
-      # should not be overriden by subclasses. Instead, override `cast_value`.
-      def type_cast(value)
-        cast_value(value) unless value.nil?
+      def type_cast_from_database(value)
+        type_cast(value)
       end
 
       def type_cast_from_user(value)
@@ -64,6 +61,12 @@ module ActiveRecord
       end
 
       private
+      # Takes an input from the database, or from attribute setters,
+      # and casts it to a type appropriate for this object. This method
+      # should not be overriden by subclasses. Instead, override `cast_value`.
+      def type_cast(value) # :api: public
+        cast_value(value) unless value.nil?
+      end
 
       # Responsible for casting values from external sources to the appropriate
       # type. Called by `type_cast` for all values except `nil`.
diff --git a/activerecord/test/cases/adapters/mysql/mysql_adapter_test.rb b/activerecord/test/cases/adapters/mysql/mysql_adapter_test.rb
index 1699380eb3..28106d3772 100644
--- a/activerecord/test/cases/adapters/mysql/mysql_adapter_test.rb
+++ b/activerecord/test/cases/adapters/mysql/mysql_adapter_test.rb
@@ -105,7 +105,7 @@ module ActiveRecord
 
           result = @conn.exec_query('SELECT status FROM ex')
 
-          assert_equal 2, result.column_types['status'].type_cast(result.last['status'])
+          assert_equal 2, result.column_types['status'].type_cast_from_database(result.last['status'])
         end
       end
 
diff --git a/activerecord/test/cases/adapters/postgresql/array_test.rb b/activerecord/test/cases/adapters/postgresql/array_test.rb
index 1d431f1666..66750deb68 100644
--- a/activerecord/test/cases/adapters/postgresql/array_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/array_test.rb
@@ -90,9 +90,9 @@ class PostgresqlArrayTest < ActiveRecord::TestCase
   end
 
   def test_type_cast_array
-    assert_equal(['1', '2', '3'], @column.type_cast('{1,2,3}'))
-    assert_equal([], @column.type_cast('{}'))
-    assert_equal([nil], @column.type_cast('{NULL}'))
+    assert_equal(['1', '2', '3'], @column.type_cast_from_database('{1,2,3}'))
+    assert_equal([], @column.type_cast_from_database('{}'))
+    assert_equal([nil], @column.type_cast_from_database('{NULL}'))
   end
 
   def test_type_cast_integers
diff --git a/activerecord/test/cases/adapters/postgresql/bytea_test.rb b/activerecord/test/cases/adapters/postgresql/bytea_test.rb
index 3f8a5d1062..7872f91943 100644
--- a/activerecord/test/cases/adapters/postgresql/bytea_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/bytea_test.rb
@@ -33,16 +33,16 @@ class PostgresqlByteaTest < ActiveRecord::TestCase
 
     data = "\u001F\x8B"
     assert_equal('UTF-8', data.encoding.name)
-    assert_equal('ASCII-8BIT', @column.type_cast(data).encoding.name)
+    assert_equal('ASCII-8BIT', @column.type_cast_from_database(data).encoding.name)
   end
 
   def test_type_cast_binary_value
     data = "\u001F\x8B".force_encoding("BINARY")
-    assert_equal(data, @column.type_cast(data))
+    assert_equal(data, @column.type_cast_from_database(data))
   end
 
   def test_type_case_nil
-    assert_equal(nil, @column.type_cast(nil))
+    assert_equal(nil, @column.type_cast_from_database(nil))
   end
 
   def test_read_value
diff --git a/activerecord/test/cases/adapters/postgresql/connection_test.rb b/activerecord/test/cases/adapters/postgresql/connection_test.rb
index 5f84c893c0..d26cda46fa 100644
--- a/activerecord/test/cases/adapters/postgresql/connection_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/connection_test.rb
@@ -121,7 +121,7 @@ module ActiveRecord
       name = @subscriber.payloads.last[:statement_name]
       assert name
       res = @connection.exec_query("EXPLAIN (FORMAT JSON) EXECUTE #{name}(#{bindval})")
-      plan = res.column_types['QUERY PLAN'].type_cast res.rows.first.first
+      plan = res.column_types['QUERY PLAN'].type_cast_from_database res.rows.first.first
       assert_operator plan.length, :>, 0
     end
 
diff --git a/activerecord/test/cases/adapters/postgresql/hstore_test.rb b/activerecord/test/cases/adapters/postgresql/hstore_test.rb
index 3aac23a193..a25c9cb5e4 100644
--- a/activerecord/test/cases/adapters/postgresql/hstore_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/hstore_test.rb
@@ -118,11 +118,11 @@ class PostgresqlHstoreTest < ActiveRecord::TestCase
       data = "\"1\"=>\"2\""
       hash = @column.class.string_to_hstore data
       assert_equal({'1' => '2'}, hash)
-      assert_equal({'1' => '2'}, @column.type_cast(data))
+      assert_equal({'1' => '2'}, @column.type_cast_from_database(data))
 
-      assert_equal({}, @column.type_cast(""))
-      assert_equal({'key'=>nil}, @column.type_cast('key => NULL'))
-      assert_equal({'c'=>'}','"a"'=>'b "a b'}, @column.type_cast(%q(c=>"}", "\"a\""=>"b \"a b")))
+      assert_equal({}, @column.type_cast_from_database(""))
+      assert_equal({'key'=>nil}, @column.type_cast_from_database('key => NULL'))
+      assert_equal({'c'=>'}','"a"'=>'b "a b'}, @column.type_cast_from_database(%q(c=>"}", "\"a\""=>"b \"a b")))
     end
 
     def test_with_store_accessors
@@ -180,31 +180,31 @@ class PostgresqlHstoreTest < ActiveRecord::TestCase
     end
 
     def test_parse1
-      assert_equal({'a'=>nil,'b'=>nil,'c'=>'NuLl','null'=>'c'}, @column.type_cast('a=>null,b=>NuLl,c=>"NuLl",null=>c'))
+      assert_equal({'a'=>nil,'b'=>nil,'c'=>'NuLl','null'=>'c'}, @column.type_cast_from_database('a=>null,b=>NuLl,c=>"NuLl",null=>c'))
     end
 
     def test_parse2
-      assert_equal({" " => " "},  @column.type_cast("\\ =>\\ "))
+      assert_equal({" " => " "},  @column.type_cast_from_database("\\ =>\\ "))
     end
 
     def test_parse3
-      assert_equal({"=" => ">"},  @column.type_cast("==>>"))
+      assert_equal({"=" => ">"},  @column.type_cast_from_database("==>>"))
     end
 
     def test_parse4
-      assert_equal({"=a"=>"q=w"},   @column.type_cast('\=a=>q=w'))
+      assert_equal({"=a"=>"q=w"},   @column.type_cast_from_database('\=a=>q=w'))
     end
 
     def test_parse5
-      assert_equal({"=a"=>"q=w"},   @column.type_cast('"=a"=>q\=w'))
+      assert_equal({"=a"=>"q=w"},   @column.type_cast_from_database('"=a"=>q\=w'))
     end
 
     def test_parse6
-      assert_equal({"\"a"=>"q>w"},  @column.type_cast('"\"a"=>q>w'))
+      assert_equal({"\"a"=>"q>w"},  @column.type_cast_from_database('"\"a"=>q>w'))
     end
 
     def test_parse7
-      assert_equal({"\"a"=>"q\"w"}, @column.type_cast('\"a=>q"w'))
+      assert_equal({"\"a"=>"q\"w"}, @column.type_cast_from_database('\"a=>q"w'))
     end
 
     def test_rewrite
diff --git a/activerecord/test/cases/adapters/postgresql/json_test.rb b/activerecord/test/cases/adapters/postgresql/json_test.rb
index eab6049956..3ee8839823 100644
--- a/activerecord/test/cases/adapters/postgresql/json_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/json_test.rb
@@ -80,11 +80,11 @@ class PostgresqlJSONTest < ActiveRecord::TestCase
     data = "{\"a_key\":\"a_value\"}"
     hash = column.class.string_to_json data
     assert_equal({'a_key' => 'a_value'}, hash)
-    assert_equal({'a_key' => 'a_value'}, column.type_cast(data))
+    assert_equal({'a_key' => 'a_value'}, column.type_cast_from_database(data))
 
-    assert_equal({}, column.type_cast("{}"))
-    assert_equal({'key'=>nil}, column.type_cast('{"key": null}'))
-    assert_equal({'c'=>'}','"a"'=>'b "a b'}, column.type_cast(%q({"c":"}", "\"a\"":"b \"a b"})))
+    assert_equal({}, column.type_cast_from_database("{}"))
+    assert_equal({'key'=>nil}, column.type_cast_from_database('{"key": null}'))
+    assert_equal({'c'=>'}','"a"'=>'b "a b'}, column.type_cast_from_database(%q({"c":"}", "\"a\"":"b \"a b"})))
   end
 
   def test_rewrite
diff --git a/activerecord/test/cases/adapters/postgresql/money_test.rb b/activerecord/test/cases/adapters/postgresql/money_test.rb
index 3e33477bff..bdfeedafab 100644
--- a/activerecord/test/cases/adapters/postgresql/money_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/money_test.rb
@@ -49,10 +49,10 @@ class PostgresqlMoneyTest < ActiveRecord::TestCase
 
   def test_money_type_cast
     column = PostgresqlMoney.columns_hash['wealth']
-    assert_equal(12345678.12, column.type_cast("$12,345,678.12"))
-    assert_equal(12345678.12, column.type_cast("$12.345.678,12"))
-    assert_equal(-1.15, column.type_cast("-$1.15"))
-    assert_equal(-2.25, column.type_cast("($2.25)"))
+    assert_equal(12345678.12, column.type_cast_from_user("$12,345,678.12"))
+    assert_equal(12345678.12, column.type_cast_from_user("$12.345.678,12"))
+    assert_equal(-1.15, column.type_cast_from_user("-$1.15"))
+    assert_equal(-2.25, column.type_cast_from_user("($2.25)"))
   end
 
   def test_schema_dumping
diff --git a/activerecord/test/cases/attribute_decorators_test.rb b/activerecord/test/cases/attribute_decorators_test.rb
index 416eb650f6..35393753a2 100644
--- a/activerecord/test/cases/attribute_decorators_test.rb
+++ b/activerecord/test/cases/attribute_decorators_test.rb
@@ -12,11 +12,11 @@ module ActiveRecord
         super(delegate)
       end
 
-      def type_cast(value)
+      def type_cast_from_user(value)
         "#{super} #{@decoration}"
       end
 
-      alias type_cast_from_user type_cast
+      alias type_cast_from_database type_cast_from_user
     end
 
     setup do
diff --git a/activerecord/test/cases/base_test.rb b/activerecord/test/cases/base_test.rb
index fad51f4924..dc8f25b0e7 100644
--- a/activerecord/test/cases/base_test.rb
+++ b/activerecord/test/cases/base_test.rb
@@ -1489,7 +1489,7 @@ class BasicsTest < ActiveRecord::TestCase
     attrs.delete 'id'
 
     typecast = Class.new {
-      def type_cast value
+      def type_cast_from_database value
         "t.lo"
       end
     }
diff --git a/activerecord/test/cases/connection_adapters/type_lookup_test.rb b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
index 3958c3bfff..d5c1dc1e5d 100644
--- a/activerecord/test/cases/connection_adapters/type_lookup_test.rb
+++ b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
@@ -85,7 +85,7 @@ module ActiveRecord
           cast_type = @connection.type_map.lookup(type)
 
           assert_equal :decimal, cast_type.type
-          assert_equal 2, cast_type.type_cast(2.1)
+          assert_equal 2, cast_type.type_cast_from_user(2.1)
         end
       end
 
diff --git a/activerecord/test/cases/reflection_test.rb b/activerecord/test/cases/reflection_test.rb
index 70d52634f7..c6e73f78cc 100644
--- a/activerecord/test/cases/reflection_test.rb
+++ b/activerecord/test/cases/reflection_test.rb
@@ -95,7 +95,7 @@ class ReflectionTest < ActiveRecord::TestCase
     column = @first.column_for_attribute("attribute_that_doesnt_exist")
     object = Object.new
 
-    assert_equal object, column.type_cast(object)
+    assert_equal object, column.type_cast_from_database(object)
     assert_equal object, column.type_cast_from_user(object)
     assert_equal object, column.type_cast_for_database(object)
   end
diff --git a/activerecord/test/cases/types_test.rb b/activerecord/test/cases/types_test.rb
index 5d5f442d3a..731f8cfba3 100644
--- a/activerecord/test/cases/types_test.rb
+++ b/activerecord/test/cases/types_test.rb
@@ -6,141 +6,141 @@ module ActiveRecord
     class TypesTest < ActiveRecord::TestCase
       def test_type_cast_boolean
         type = Type::Boolean.new
-        assert type.type_cast('').nil?
-        assert type.type_cast(nil).nil?
-
-        assert type.type_cast(true)
-        assert type.type_cast(1)
-        assert type.type_cast('1')
-        assert type.type_cast('t')
-        assert type.type_cast('T')
-        assert type.type_cast('true')
-        assert type.type_cast('TRUE')
-        assert type.type_cast('on')
-        assert type.type_cast('ON')
+        assert type.type_cast_from_user('').nil?
+        assert type.type_cast_from_user(nil).nil?
+
+        assert type.type_cast_from_user(true)
+        assert type.type_cast_from_user(1)
+        assert type.type_cast_from_user('1')
+        assert type.type_cast_from_user('t')
+        assert type.type_cast_from_user('T')
+        assert type.type_cast_from_user('true')
+        assert type.type_cast_from_user('TRUE')
+        assert type.type_cast_from_user('on')
+        assert type.type_cast_from_user('ON')
 
         # explicitly check for false vs nil
-        assert_equal false, type.type_cast(false)
-        assert_equal false, type.type_cast(0)
-        assert_equal false, type.type_cast('0')
-        assert_equal false, type.type_cast('f')
-        assert_equal false, type.type_cast('F')
-        assert_equal false, type.type_cast('false')
-        assert_equal false, type.type_cast('FALSE')
-        assert_equal false, type.type_cast('off')
-        assert_equal false, type.type_cast('OFF')
-        assert_equal false, type.type_cast(' ')
-        assert_equal false, type.type_cast("\u3000\r\n")
-        assert_equal false, type.type_cast("\u0000")
-        assert_equal false, type.type_cast('SOMETHING RANDOM')
+        assert_equal false, type.type_cast_from_user(false)
+        assert_equal false, type.type_cast_from_user(0)
+        assert_equal false, type.type_cast_from_user('0')
+        assert_equal false, type.type_cast_from_user('f')
+        assert_equal false, type.type_cast_from_user('F')
+        assert_equal false, type.type_cast_from_user('false')
+        assert_equal false, type.type_cast_from_user('FALSE')
+        assert_equal false, type.type_cast_from_user('off')
+        assert_equal false, type.type_cast_from_user('OFF')
+        assert_equal false, type.type_cast_from_user(' ')
+        assert_equal false, type.type_cast_from_user("\u3000\r\n")
+        assert_equal false, type.type_cast_from_user("\u0000")
+        assert_equal false, type.type_cast_from_user('SOMETHING RANDOM')
       end
 
       def test_type_cast_string
         type = Type::String.new
-        assert_equal "1", type.type_cast(true)
-        assert_equal "0", type.type_cast(false)
-        assert_equal "123", type.type_cast(123)
+        assert_equal "1", type.type_cast_from_user(true)
+        assert_equal "0", type.type_cast_from_user(false)
+        assert_equal "123", type.type_cast_from_user(123)
       end
 
       def test_type_cast_integer
         type = Type::Integer.new
-        assert_equal 1, type.type_cast(1)
-        assert_equal 1, type.type_cast('1')
-        assert_equal 1, type.type_cast('1ignore')
-        assert_equal 0, type.type_cast('bad1')
-        assert_equal 0, type.type_cast('bad')
-        assert_equal 1, type.type_cast(1.7)
-        assert_equal 0, type.type_cast(false)
-        assert_equal 1, type.type_cast(true)
-        assert_nil type.type_cast(nil)
+        assert_equal 1, type.type_cast_from_user(1)
+        assert_equal 1, type.type_cast_from_user('1')
+        assert_equal 1, type.type_cast_from_user('1ignore')
+        assert_equal 0, type.type_cast_from_user('bad1')
+        assert_equal 0, type.type_cast_from_user('bad')
+        assert_equal 1, type.type_cast_from_user(1.7)
+        assert_equal 0, type.type_cast_from_user(false)
+        assert_equal 1, type.type_cast_from_user(true)
+        assert_nil type.type_cast_from_user(nil)
       end
 
       def test_type_cast_non_integer_to_integer
         type = Type::Integer.new
-        assert_nil type.type_cast([1,2])
-        assert_nil type.type_cast({1 => 2})
-        assert_nil type.type_cast((1..2))
+        assert_nil type.type_cast_from_user([1,2])
+        assert_nil type.type_cast_from_user({1 => 2})
+        assert_nil type.type_cast_from_user((1..2))
       end
 
       def test_type_cast_activerecord_to_integer
         type = Type::Integer.new
         firm = Firm.create(:name => 'Apple')
-        assert_nil type.type_cast(firm)
+        assert_nil type.type_cast_from_user(firm)
       end
 
       def test_type_cast_object_without_to_i_to_integer
         type = Type::Integer.new
-        assert_nil type.type_cast(Object.new)
+        assert_nil type.type_cast_from_user(Object.new)
       end
 
       def test_type_cast_nan_and_infinity_to_integer
         type = Type::Integer.new
-        assert_nil type.type_cast(Float::NAN)
-        assert_nil type.type_cast(1.0/0.0)
+        assert_nil type.type_cast_from_user(Float::NAN)
+        assert_nil type.type_cast_from_user(1.0/0.0)
       end
 
       def test_type_cast_float
         type = Type::Float.new
-        assert_equal 1.0, type.type_cast("1")
+        assert_equal 1.0, type.type_cast_from_user("1")
       end
 
       def test_type_cast_decimal
         type = Type::Decimal.new
-        assert_equal BigDecimal.new("0"), type.type_cast(BigDecimal.new("0"))
-        assert_equal BigDecimal.new("123"), type.type_cast(123.0)
-        assert_equal BigDecimal.new("1"), type.type_cast(:"1")
+        assert_equal BigDecimal.new("0"), type.type_cast_from_user(BigDecimal.new("0"))
+        assert_equal BigDecimal.new("123"), type.type_cast_from_user(123.0)
+        assert_equal BigDecimal.new("1"), type.type_cast_from_user(:"1")
       end
 
       def test_type_cast_binary
         type = Type::Binary.new
-        assert_equal nil, type.type_cast(nil)
-        assert_equal "1", type.type_cast("1")
-        assert_equal 1, type.type_cast(1)
+        assert_equal nil, type.type_cast_from_user(nil)
+        assert_equal "1", type.type_cast_from_user("1")
+        assert_equal 1, type.type_cast_from_user(1)
       end
 
       def test_type_cast_time
         type = Type::Time.new
-        assert_equal nil, type.type_cast(nil)
-        assert_equal nil, type.type_cast('')
-        assert_equal nil, type.type_cast('ABC')
+        assert_equal nil, type.type_cast_from_user(nil)
+        assert_equal nil, type.type_cast_from_user('')
+        assert_equal nil, type.type_cast_from_user('ABC')
 
         time_string = Time.now.utc.strftime("%T")
-        assert_equal time_string, type.type_cast(time_string).strftime("%T")
+        assert_equal time_string, type.type_cast_from_user(time_string).strftime("%T")
       end
 
       def test_type_cast_datetime_and_timestamp
         type = Type::DateTime.new
-        assert_equal nil, type.type_cast(nil)
-        assert_equal nil, type.type_cast('')
-        assert_equal nil, type.type_cast('  ')
-        assert_equal nil, type.type_cast('ABC')
+        assert_equal nil, type.type_cast_from_user(nil)
+        assert_equal nil, type.type_cast_from_user('')
+        assert_equal nil, type.type_cast_from_user('  ')
+        assert_equal nil, type.type_cast_from_user('ABC')
 
         datetime_string = Time.now.utc.strftime("%FT%T")
-        assert_equal datetime_string, type.type_cast(datetime_string).strftime("%FT%T")
+        assert_equal datetime_string, type.type_cast_from_user(datetime_string).strftime("%FT%T")
       end
 
       def test_type_cast_date
         type = Type::Date.new
-        assert_equal nil, type.type_cast(nil)
-        assert_equal nil, type.type_cast('')
-        assert_equal nil, type.type_cast(' ')
-        assert_equal nil, type.type_cast('ABC')
+        assert_equal nil, type.type_cast_from_user(nil)
+        assert_equal nil, type.type_cast_from_user('')
+        assert_equal nil, type.type_cast_from_user(' ')
+        assert_equal nil, type.type_cast_from_user('ABC')
 
         date_string = Time.now.utc.strftime("%F")
-        assert_equal date_string, type.type_cast(date_string).strftime("%F")
+        assert_equal date_string, type.type_cast_from_user(date_string).strftime("%F")
       end
 
       def test_type_cast_duration_to_integer
         type = Type::Integer.new
-        assert_equal 1800, type.type_cast(30.minutes)
-        assert_equal 7200, type.type_cast(2.hours)
+        assert_equal 1800, type.type_cast_from_user(30.minutes)
+        assert_equal 7200, type.type_cast_from_user(2.hours)
       end
 
       def test_string_to_time_with_timezone
         [:utc, :local].each do |zone|
           with_timezone_config default: zone do
             type = Type::DateTime.new
-            assert_equal Time.utc(2013, 9, 4, 0, 0, 0), type.type_cast("Wed, 04 Sep 2013 03:00:00 EAT")
+            assert_equal Time.utc(2013, 9, 4, 0, 0, 0), type.type_cast_from_user("Wed, 04 Sep 2013 03:00:00 EAT")
           end
         end
       end
@@ -149,7 +149,7 @@ module ActiveRecord
         def test_binary_encoding
           type = SQLite3Binary.new
           utf8_string = "a string".encode(Encoding::UTF_8)
-          type_cast = type.type_cast(utf8_string)
+          type_cast = type.type_cast_from_user(utf8_string)
 
           assert_equal Encoding::ASCII_8BIT, type_cast.encoding
         end