fix: url metadata for all datatypes (#613)

tests/models/test_data_type.py

@@ -0,0 +1,32 @@
+import unittest
+
+from embedchain.models.data_type import (DataType, DirectDataType,
+                                         IndirectDataType, SpecialDataType)
+
+
+class TestDataTypeEnums(unittest.TestCase):
+    def test_subclass_types_in_data_type(self):
+        """Test that all data type category subclasses are contained in the composite data type"""
+        # Check if DirectDataType values are in DataType
+        for data_type in DirectDataType:
+            self.assertIn(data_type.value, DataType._value2member_map_)
+
+        # Check if IndirectDataType values are in DataType
+        for data_type in IndirectDataType:
+            self.assertIn(data_type.value, DataType._value2member_map_)
+
+        # Check if SpecialDataType values are in DataType
+        for data_type in SpecialDataType:
+            self.assertIn(data_type.value, DataType._value2member_map_)
+
+    def test_data_type_in_subclasses(self):
+        """Test that all data types in the composite data type are categorized in a subclass"""
+        for data_type in DataType:
+            if data_type.value in DirectDataType._value2member_map_:
+                self.assertIn(data_type.value, DirectDataType._value2member_map_)
+            elif data_type.value in IndirectDataType._value2member_map_:
+                self.assertIn(data_type.value, IndirectDataType._value2member_map_)
+            elif data_type.value in SpecialDataType._value2member_map_:
+                self.assertIn(data_type.value, SpecialDataType._value2member_map_)
+            else:
+                self.fail(f"{data_type.value} not found in any subclass enums")