Datapoint: Ignore t1 value when passed.

Required for "set value" endpoint.
Fixes broken tests.

dp3/common/datapoint.py

@@ -2,7 +2,7 @@
 from ipaddress import IPv4Address, IPv6Address
 from typing import Annotated, Any, Optional, Union
 
-from pydantic import BaseModel, Field, PlainSerializer
+from pydantic import BaseModel, BeforeValidator, Field, PlainSerializer
 
 from dp3.common.types import T2Datetime
 
@@ -13,6 +13,11 @@ def to_json_friendly(v):
     return v
 
 
+def ignore_value(_v):
+    """Ignore the passed value and return None."""
+    return None
+
+
 class DataPointBase(BaseModel, use_enum_values=True):
     """Data-point
 
@@ -44,7 +49,7 @@ class DataPointPlainBase(DataPointBase):
     the same naming for simplicity.
     """
 
-    t1: None = None
+    t1: Annotated[None, BeforeValidator(ignore_value)] = None
     t2: None = None
 
 

tests/test_api/test_set_attr_value.py

@@ -8,14 +8,14 @@
 class SetEidAttrValue(common.APITest):
     def test_invalid_payload(self):
         response = self.post_request(TESTED_PATH.format(action="set"), json={})
-        self.assertEqual(response.status_code, 422)
+        self.assertEqual(response.status_code, 422, msg=response.json())
 
     def test_valid_payload(self):
         payload = EntityEidAttrValue(value="Test string val1")
         response = self.post_request(
             TESTED_PATH.format(action="set"), data=payload.model_dump_json()
         )
-        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.status_code, 200, msg=response.json())
 
         expected = EntityEidAttrValueOrHistory(attr_type=1, current_value="Test string val1")
         self.query_expected_value(