fix: [AAP-36846] - customize validation error messages

src/aap_eda/api/serializers/activation.py

@@ -397,9 +397,17 @@ class Meta:
         required=True,
         allow_null=False,
         validators=[validators.check_if_organization_exists],
+        error_messages={
+            "null": "Organization is needed",
+            "required": "Organization is required",
+        },
     )
     rulebook_id = serializers.IntegerField(
-        validators=[validators.check_if_rulebook_exists]
+        validators=[validators.check_if_rulebook_exists],
+        error_messages={
+            "null": "Rulebook is needed",
+            "required": "Rulebook is required",
+        },
     )
     extra_var = serializers.CharField(
         required=False,
@@ -408,7 +416,11 @@ class Meta:
         validators=[validators.is_extra_var_dict],
     )
     decision_environment_id = serializers.IntegerField(
-        validators=[validators.check_if_de_exists]
+        validators=[validators.check_if_de_exists],
+        error_messages={
+            "null": "Decision Environment is needed",
+            "required": "Decision Environment is required",
+        },
     )
     user = serializers.HiddenField(default=serializers.CurrentUserDefault())
 
@@ -691,7 +703,8 @@ class PostActivationSerializer(serializers.ModelSerializer):
     )
     name = serializers.CharField(required=True)
     decision_environment_id = serializers.IntegerField(
-        validators=[validators.check_if_de_exists]
+        validators=[validators.check_if_de_exists],
+        error_messages={"null": "Decision Environment is needed"},
     )
     # TODO: is_activation_valid needs to tell event stream/activation
     awx_token_id = serializers.IntegerField(

src/aap_eda/api/serializers/decision_environment.py

@@ -44,6 +44,7 @@ class DecisionEnvironmentCreateSerializer(serializers.ModelSerializer):
         required=True,
         allow_null=False,
         validators=[validators.check_if_organization_exists],
+        error_messages={"null": "Organization is needed"},
     )
     eda_credential_id = serializers.IntegerField(
         required=False,

src/aap_eda/api/serializers/eda_credential.py

@@ -106,11 +106,19 @@ class EdaCredentialCreateSerializer(serializers.ModelSerializer):
         required=True,
         allow_null=False,
         validators=[validators.check_if_credential_type_exists],
+        error_messages={
+            "null": "Credential Type is needed",
+            "required": "Credential Type is required",
+        },
     )
     organization_id = serializers.IntegerField(
         required=True,
         allow_null=False,
         validators=[validators.check_if_organization_exists],
+        error_messages={
+            "null": "Organization is needed",
+            "required": "Organization is required",
+        },
     )
     inputs = serializers.JSONField()
 
@@ -146,6 +154,7 @@ class EdaCredentialUpdateSerializer(serializers.ModelSerializer):
         required=True,
         allow_null=False,
         validators=[validators.check_if_organization_exists],
+        error_messages={"null": "Organization is needed"},
     )
     inputs = serializers.JSONField()
 

src/aap_eda/api/serializers/event_stream.py

@@ -25,14 +25,19 @@
 
 
 class EventStreamInSerializer(serializers.ModelSerializer):
-    organization_id = serializers.IntegerField(required=True, allow_null=False)
+    organization_id = serializers.IntegerField(
+        required=True,
+        allow_null=False,
+        error_messages={"null": "Organization is needed"},
+    )
     owner = serializers.HiddenField(default=serializers.CurrentUserDefault())
     eda_credential_id = serializers.IntegerField(
         required=True,
         allow_null=False,
         validators=[
             validators.check_credential_types_for_event_stream,
         ],
+        error_messages={"null": "EdaCredential is needed"},
     )
 
     def validate(self, data):

src/aap_eda/api/serializers/project.py

@@ -74,6 +74,10 @@ class ProjectCreateRequestSerializer(serializers.ModelSerializer):
         required=True,
         allow_null=False,
         validators=[validators.check_if_organization_exists],
+        error_messages={
+            "null": "Organization is needed",
+            "required": "Organization is required",
+        },
     )
     eda_credential_id = serializers.IntegerField(
         required=False,
@@ -110,6 +114,10 @@ class ProjectUpdateRequestSerializer(serializers.ModelSerializer):
         required=True,
         allow_null=False,
         validators=[validators.check_if_organization_exists],
+        error_messages={
+            "null": "Organization is needed",
+            "required": "Organization is required",
+        },
     )
     name = serializers.CharField(
         required=False,

src/aap_eda/api/serializers/team.py

@@ -46,6 +46,7 @@ class TeamCreateSerializer(
         required=True,
         allow_null=False,
         validators=[validators.check_if_organization_exists],
+        error_messages={"null": "Organization is needed"},
     )
 
     class Meta:

tests/integration/api/test_activation.py

@@ -558,6 +558,40 @@ def test_restart_activation(
     assert response.status_code == status.HTTP_204_NO_CONTENT
 
 
+@pytest.mark.parametrize(
+    ("missing_field", "error_message"),
+    [
+        (
+            "decision_environment_id",
+            "Decision Environment is required",
+        ),
+        (
+            "organization_id",
+            "Organization is required",
+        ),
+        (
+            "rulebook_id",
+            "Rulebook is required",
+        ),
+    ],
+)
+@pytest.mark.django_db
+def test_create_activation_with_missing_required_fields(
+    activation_payload: Dict[str, Any],
+    admin_client: APIClient,
+    missing_field,
+    error_message,
+    preseed_credential_types,
+):
+    activation_payload.pop(missing_field)
+    response = admin_client.post(
+        f"{api_url_v1}/activations/", data=activation_payload
+    )
+
+    assert response.status_code == status.HTTP_400_BAD_REQUEST
+    assert error_message in response.data[missing_field]
+
+
 @pytest.mark.parametrize(
     "enabled",
     [True, False],
@@ -613,13 +647,13 @@ def test_restart_activation_without_de(
     assert response.status_code == status.HTTP_400_BAD_REQUEST
     assert (
         response.data["errors"]
-        == "{'decision_environment_id': 'This field may not be null.'}"
+        == "{'decision_environment_id': 'Decision Environment is needed'}"
     )
     default_activation.refresh_from_db()
     assert default_activation.status == enums.ActivationStatus.ERROR
     assert (
         default_activation.status_message
-        == "{'decision_environment_id': 'This field may not be null.'}"
+        == "{'decision_environment_id': 'Decision Environment is needed'}"
     )
 
 

tests/integration/api/test_decision_environment.py

@@ -322,6 +322,25 @@ def test_create_decision_environment_with_empty_credential(
         assert status_message in str(errors)
 
 
+@pytest.mark.django_db
+def test_create_decision_environment_with_none_organization(
+    admin_client: APIClient,
+):
+    data_in = {
+        "name": "de1",
+        "description": "desc here",
+        "image_url": "registry.com/img1:tag1",
+        "organization_id": None,
+    }
+
+    response = admin_client.post(
+        f"{api_url_v1}/decision-environments/", data=data_in
+    )
+
+    assert response.status_code == status.HTTP_400_BAD_REQUEST
+    assert "Organization is needed" in str(response.data)
+
+
 @pytest.mark.django_db
 def test_create_decision_environment_bad_ids(admin_client: APIClient):
     bad_ids = [

tests/integration/api/test_eda_credential.py

@@ -161,7 +161,25 @@ def test_create_eda_credential_with_none_credential_type(
         f"{api_url_v1}/eda-credentials/", data=data_in
     )
     assert response.status_code == status.HTTP_400_BAD_REQUEST
-    assert "This field may not be null." in response.data["credential_type_id"]
+    assert "Credential Type is needed" in response.data["credential_type_id"]
+
+
+@pytest.mark.django_db
+def test_create_eda_credential_with_none_organization(
+    admin_client: APIClient,
+):
+    data = "secret"
+    data_in = {
+        "name": "eda-credential",
+        "inputs": {"username": "adam", "password": data},
+        "credential_type_id": None,
+        "organization_id": None,
+    }
+    response = admin_client.post(
+        f"{api_url_v1}/eda-credentials/", data=data_in
+    )
+    assert response.status_code == status.HTTP_400_BAD_REQUEST
+    assert "Organization is needed" in response.data["organization_id"]
 
 
 @pytest.mark.parametrize(

tests/integration/api/test_project.py

@@ -393,6 +393,19 @@ def test_create_or_update_project_with_right_eda_credential(
         )
 
 
+@pytest.mark.django_db
+def test_create_project_with_none_organization(admin_client: APIClient):
+    body = {
+        "name": "none-organization",
+        "url": "https://git.example.com/acme/project-01",
+        "organization_id": None,
+    }
+
+    response = admin_client.post(f"{api_url_v1}/projects/", data=body)
+    assert response.status_code == status.HTTP_400_BAD_REQUEST
+    assert "Organization is needed" in str(response.data)
+
+
 @pytest.mark.django_db
 def test_create_project_name_conflict(
     default_project: models.Project, admin_client: APIClient
@@ -689,7 +702,7 @@ def test_partial_update_project_null_organization_id(
         data,
     )
     assert response.status_code == status.HTTP_400_BAD_REQUEST
-    assert "This field may not be null." in str(response.data)
+    assert "Organization is needed" in str(response.data)
 
 
 @pytest.mark.django_db

tests/integration/services/activation/test_manager.py

@@ -293,7 +293,7 @@ def test_start_no_decision_environment(
         activation_manager.start()
     assert basic_activation.status == enums.ActivationStatus.ERROR
     assert "decision_environment" in str(exc.value)
-    assert "This field may not be null" in str(exc.value)
+    assert "Decision Environment is needed" in str(exc.value)
     assert str(exc.value) in basic_activation.status_message