fix(models): renenrollment error template required if expiration supp…

…orted

benefits/core/models.py

@@ -142,6 +142,7 @@ def clean(self):
         supports_expiration = self.supports_expiration
         expiration_days = self.expiration_days
         expiration_reenrollment_days = self.expiration_reenrollment_days
+        reenrollment_error_template = self.reenrollment_error_template
 
         if supports_expiration:
             errors = {}
@@ -150,6 +151,8 @@ def clean(self):
                 errors.update(expiration_days=ValidationError(message))
             if expiration_reenrollment_days is None or expiration_reenrollment_days <= 0:
                 errors.update(expiration_reenrollment_days=ValidationError(message))
+            if reenrollment_error_template is None:
+                errors.update(reenrollment_error_template=ValidationError("Required when supports expiration is True."))
 
             if errors:
                 raise ValidationError(errors)

tests/pytest/core/test_models.py

@@ -210,6 +210,19 @@ def test_EligibilityType_zero_expiration_reenrollment_days(model_EligibilityType
     )
 
 
+@pytest.mark.django_db
+def test_EligibilityType_missing_reenrollment_template(model_EligibilityType_supports_expiration):
+    model_EligibilityType_supports_expiration.reenrollment_error_template = None
+    model_EligibilityType_supports_expiration.save()
+
+    with pytest.raises(ValidationError) as exception_info:
+        model_EligibilityType_supports_expiration.full_clean()
+
+    error_dict = exception_info.value.error_dict
+    assert len(error_dict["reenrollment_error_template"]) == 1
+    assert error_dict["reenrollment_error_template"][0].message == "Required when supports expiration is True."
+
+
 @pytest.mark.django_db
 def test_EligibilityType_supports_expiration(model_EligibilityType_supports_expiration):
     # test will fail if any error is raised