[1.11.x] Fixed #29094 -- Fixed crash when entering an invalid uuid in ModelAdmin.raw_id_fields.

Regression in 2f9861d823620da7ecb291a8f005f53da12b1e89.

Thanks Carel Burger for the report and fix.

Backport of docs552abffab16cbdff571486b683e7e7ef12e46066 from master

2 files changed, 10 insertions, 1 deletions

diff --git a/tests/admin_widgets/models.py b/tests/admin_widgets/models.py
index 274c36e15e..4c6c10000a 100644
--- a/tests/admin_widgets/models.py
+++ b/tests/admin_widgets/models.py
@@ -1,5 +1,7 @@
 from __future__ import unicode_literals
 
+import uuid
+
 from django.contrib.auth.models import User
 from django.db import models
 from django.utils.encoding import python_2_unicode_compatible
@@ -99,6 +101,7 @@ class CarTire(models.Model):
 
 
 class Honeycomb(models.Model):
+    id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
     location = models.CharField(max_length=20)
 
 
diff --git a/tests/admin_widgets/tests.py b/tests/admin_widgets/tests.py
index 2e2bdb0b52..4d78d5fd5b 100644
--- a/tests/admin_widgets/tests.py
+++ b/tests/admin_widgets/tests.py
@@ -17,7 +17,7 @@ from django.contrib.admin.tests import AdminSeleniumTestCase
 from django.contrib.auth.models import User
 from django.core.files.storage import default_storage
 from django.core.files.uploadedfile import SimpleUploadedFile
-from django.db.models import CharField, DateField, DateTimeField
+from django.db.models import CharField, DateField, DateTimeField, UUIDField
 from django.test import SimpleTestCase, TestCase, override_settings
 from django.urls import reverse
 from django.utils import six, translation
@@ -251,6 +251,12 @@ class AdminForeignKeyRawIdWidget(TestDataMixin, TestCase):
         lookup2 = widgets.url_params_from_lookup_dict({'myfield': my_callable()})
         self.assertEqual(lookup1, lookup2)
 
+    def test_label_and_url_for_value_invalid_uuid(self):
+        field = Bee._meta.get_field('honeycomb')
+        self.assertIsInstance(field.target_field, UUIDField)
+        widget = widgets.ForeignKeyRawIdWidget(field.remote_field, admin.site)
+        self.assertEqual(widget.label_and_url_for_value('invalid-uuid'), ('', ''))
+
 
 class FilteredSelectMultipleWidgetTest(SimpleTestCase):
     def test_render(self):