1 files changed, 101 insertions, 0 deletions
diff --git a/activerecord/test/cases/connection_adapters/type_lookup_test.rb b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
new file mode 100644
index 0000000000..d5c1dc1e5d
--- /dev/null
+++ b/activerecord/test/cases/connection_adapters/type_lookup_test.rb
@@ -0,0 +1,101 @@
+require "cases/helper"
+
+unless current_adapter?(:PostgreSQLAdapter) # PostgreSQL does not use type strigns for lookup
+module ActiveRecord
+  module ConnectionAdapters
+    class TypeLookupTest < ActiveRecord::TestCase
+      setup do
+        @connection = ActiveRecord::Base.connection
+      end
+
+      def test_boolean_types
+        assert_lookup_type :boolean, 'boolean'
+        assert_lookup_type :boolean, 'BOOLEAN'
+      end
+
+      def test_string_types
+        assert_lookup_type :string, 'char'
+        assert_lookup_type :string, 'varchar'
+        assert_lookup_type :string, 'VARCHAR'
+        assert_lookup_type :string, 'varchar(255)'
+        assert_lookup_type :string, 'character varying'
+      end
+
+      def test_binary_types
+        assert_lookup_type :binary, 'binary'
+        assert_lookup_type :binary, 'BINARY'
+        assert_lookup_type :binary, 'blob'
+        assert_lookup_type :binary, 'BLOB'
+      end
+
+      def test_text_types
+        assert_lookup_type :text, 'text'
+        assert_lookup_type :text, 'TEXT'
+        assert_lookup_type :text, 'clob'
+        assert_lookup_type :text, 'CLOB'
+      end
+
+      def test_date_types
+        assert_lookup_type :date, 'date'
+        assert_lookup_type :date, 'DATE'
+      end
+
+      def test_time_types
+        assert_lookup_type :time, 'time'
+        assert_lookup_type :time, 'TIME'
+      end
+
+      def test_datetime_types
+        assert_lookup_type :datetime, 'datetime'
+        assert_lookup_type :datetime, 'DATETIME'
+        assert_lookup_type :datetime, 'timestamp'
+        assert_lookup_type :datetime, 'TIMESTAMP'
+      end
+
+      def test_decimal_types
+        assert_lookup_type :decimal, 'decimal'
+        assert_lookup_type :decimal, 'decimal(2,8)'
+        assert_lookup_type :decimal, 'DECIMAL'
+        assert_lookup_type :decimal, 'numeric'
+        assert_lookup_type :decimal, 'numeric(2,8)'
+        assert_lookup_type :decimal, 'NUMERIC'
+        assert_lookup_type :decimal, 'number'
+        assert_lookup_type :decimal, 'number(2,8)'
+        assert_lookup_type :decimal, 'NUMBER'
+      end
+
+      def test_float_types
+        assert_lookup_type :float, 'float'
+        assert_lookup_type :float, 'FLOAT'
+        assert_lookup_type :float, 'double'
+        assert_lookup_type :float, 'DOUBLE'
+      end
+
+      def test_integer_types
+        assert_lookup_type :integer, 'integer'
+        assert_lookup_type :integer, 'INTEGER'
+        assert_lookup_type :integer, 'tinyint'
+        assert_lookup_type :integer, 'smallint'
+        assert_lookup_type :integer, 'bigint'
+      end
+
+      def test_decimal_without_scale
+        types = %w{decimal(2) decimal(2,0) numeric(2) numeric(2,0) number(2) number(2,0)}
+        types.each do |type|
+          cast_type = @connection.type_map.lookup(type)
+
+          assert_equal :decimal, cast_type.type
+          assert_equal 2, cast_type.type_cast_from_user(2.1)
+        end
+      end
+
+      private
+
+      def assert_lookup_type(type, lookup)
+        cast_type = @connection.type_map.lookup(lookup)
+        assert_equal type, cast_type.type
+      end
+    end
+  end
+end
+end