Update tests

Author: Andy Babic

tests/migrations/0012_add_record_label.py

@@ -0,0 +1,42 @@
+# Generated by Django 4.2.9 on 2024-02-04 06:59
+
+from django.db import migrations, models
+import django.db.models.deletion
+import modelcluster.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("taggit", "0005_auto_20220424_2025"),
+        ("tests", "0011_add_room_features"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="RecordLabel",
+            fields=[
+                (
+                    "id",
+                    models.AutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                ("name", models.CharField(max_length=200)),
+                ("range", models.SmallIntegerField(blank=True, default=5)),
+            ],
+        ),
+        migrations.AddField(
+            model_name="album",
+            name="label",
+            field=models.ForeignKey(
+                blank=True,
+                null=True,
+                on_delete=django.db.models.deletion.SET_NULL,
+                to="tests.recordlabel",
+            ),
+        ),
+    ]

tests/models.py

@@ -36,6 +36,7 @@ class Album(ClusterableModel):
     name = models.CharField(max_length=255)
     release_date = models.DateField(null=True, blank=True)
     sort_order = models.IntegerField(null=True, blank=True, editable=False)
+    label = models.ForeignKey("RecordLabel", blank=True, null=True, on_delete=models.SET_NULL)
 
     sort_order_field = 'sort_order'
 
@@ -60,6 +61,14 @@ class Meta:
         ordering = ['sort_order']
 
 
+class RecordLabel(models.Model):
+    name = models.CharField(max_length=200)
+    range = models.SmallIntegerField(default=5, blank=True)
+
+    def __str__(self):
+        return self.name
+
+
 class TaggedPlace(TaggedItemBase):
     content_object = ParentalKey('Place', related_name='tagged_items', on_delete=models.CASCADE)
 

tests/tests/test_cluster.py

@@ -11,8 +11,9 @@
 from modelcluster.queryset import FakeQuerySet
 from modelcluster.utils import ManyToManyTraversalError
 
-from tests.models import Band, BandMember, Chef, Feature, Place, Restaurant, SeafoodRestaurant, \
-    Review, Album, Article, Author, Category, Person, Room, House, Log, Dish, MenuItem, Wine
+from tests.models import Band, BandMember, Chef, Feature, Place, Restaurant, \
+    Review, Album, Song, RecordLabel, Article, Author, Category, Person, \
+    Room, House, Log, Dish, MenuItem, Wine
 
 
 class ClusterTest(TestCase):
@@ -142,6 +143,29 @@ def test_can_create_cluster(self):
         # queries on beatles.members should now revert to SQL
         self.assertTrue(beatles.members.extra(where=["tests_bandmember.name='John Lennon'"]).exists())
 
+    def test_filter_expression_token_clash_handling(self):
+        """
+        This tests ensures that the field name 'range' should not be mistaken
+        for the 'range' from FILTER_EXPRESSION_TOKENS when used in filter()
+        or exclude().
+
+        Plus, extract_field_value() should not crash when encountering albums
+        without a 'label' value specified (they should be classed as automatic
+        test failures and excluded from the result).
+        """
+        label = RecordLabel.objects.create(name="Parlophone", range=7)
+        beatles = Band(
+            name="The Beatles",
+            albums=[
+                Album(name='Please Please Me', label=label, sort_order=1),
+                Album(name='With The Beatles', sort_order=2),
+                Album(name='A Hard Day\'s Night', sort_order=3),
+            ],
+        )
+
+        self.assertEqual(beatles.albums.filter(label__range=7).count(), 1)
+        self.assertEqual(beatles.albums.exclude(label__range=7).count(), 2)
+
     def test_values_list(self):
         beatles = Band(
             name="The Beatles",