Refs #33476 -- Reformatted code with Black.

tests/get_earliest_or_latest/tests.py

@@ -22,39 +22,46 @@ class EarliestOrLatestTests(TestCase):
             Article.objects.earliest()
 
         a1 = Article.objects.create(
-            headline="Article 1", pub_date=datetime(2005, 7, 26),
-            expire_date=datetime(2005, 9, 1)
+            headline="Article 1",
+            pub_date=datetime(2005, 7, 26),
+            expire_date=datetime(2005, 9, 1),
         )
         a2 = Article.objects.create(
-            headline="Article 2", pub_date=datetime(2005, 7, 27),
-            expire_date=datetime(2005, 7, 28)
+            headline="Article 2",
+            pub_date=datetime(2005, 7, 27),
+            expire_date=datetime(2005, 7, 28),
         )
         a3 = Article.objects.create(
-            headline="Article 3", pub_date=datetime(2005, 7, 28),
-            expire_date=datetime(2005, 8, 27)
+            headline="Article 3",
+            pub_date=datetime(2005, 7, 28),
+            expire_date=datetime(2005, 8, 27),
         )
         a4 = Article.objects.create(
-            headline="Article 4", pub_date=datetime(2005, 7, 28),
-            expire_date=datetime(2005, 7, 30)
+            headline="Article 4",
+            pub_date=datetime(2005, 7, 28),
+            expire_date=datetime(2005, 7, 30),
         )
 
         # Get the earliest Article.
         self.assertEqual(Article.objects.earliest(), a1)
         # Get the earliest Article that matches certain filters.
         self.assertEqual(
-            Article.objects.filter(pub_date__gt=datetime(2005, 7, 26)).earliest(),
-            a2
+            Article.objects.filter(pub_date__gt=datetime(2005, 7, 26)).earliest(), a2
         )
 
         # Pass a custom field name to earliest() to change the field that's used
         # to determine the earliest object.
-        self.assertEqual(Article.objects.earliest('expire_date'), a2)
-        self.assertEqual(Article.objects.filter(
-            pub_date__gt=datetime(2005, 7, 26)).earliest('expire_date'), a2)
+        self.assertEqual(Article.objects.earliest("expire_date"), a2)
+        self.assertEqual(
+            Article.objects.filter(pub_date__gt=datetime(2005, 7, 26)).earliest(
+                "expire_date"
+            ),
+            a2,
+        )
 
         # earliest() overrides any other ordering specified on the query.
         # Refs #11283.
-        self.assertEqual(Article.objects.order_by('id').earliest(), a1)
+        self.assertEqual(Article.objects.order_by("id").earliest(), a1)
 
         # Error is raised if the user forgot to add a get_latest_by
         # in the Model.Meta
@@ -62,27 +69,33 @@ class EarliestOrLatestTests(TestCase):
         with self.assertRaisesMessage(
             ValueError,
             "earliest() and latest() require either fields as positional "
-            "arguments or 'get_latest_by' in the model's Meta."
+            "arguments or 'get_latest_by' in the model's Meta.",
         ):
             Article.objects.earliest()
 
         # Earliest publication date, earliest expire date.
         self.assertEqual(
-            Article.objects.filter(pub_date=datetime(2005, 7, 28)).earliest('pub_date', 'expire_date'),
+            Article.objects.filter(pub_date=datetime(2005, 7, 28)).earliest(
+                "pub_date", "expire_date"
+            ),
             a4,
         )
         # Earliest publication date, latest expire date.
         self.assertEqual(
-            Article.objects.filter(pub_date=datetime(2005, 7, 28)).earliest('pub_date', '-expire_date'),
+            Article.objects.filter(pub_date=datetime(2005, 7, 28)).earliest(
+                "pub_date", "-expire_date"
+            ),
             a3,
         )
 
         # Meta.get_latest_by may be a tuple.
-        Article.objects.model._meta.get_latest_by = ('pub_date', 'expire_date')
-        self.assertEqual(Article.objects.filter(pub_date=datetime(2005, 7, 28)).earliest(), a4)
+        Article.objects.model._meta.get_latest_by = ("pub_date", "expire_date")
+        self.assertEqual(
+            Article.objects.filter(pub_date=datetime(2005, 7, 28)).earliest(), a4
+        )
 
     def test_earliest_sliced_queryset(self):
-        msg = 'Cannot change a query once a slice has been taken.'
+        msg = "Cannot change a query once a slice has been taken."
         with self.assertRaisesMessage(TypeError, msg):
             Article.objects.all()[0:5].earliest()
 
@@ -92,64 +105,78 @@ class EarliestOrLatestTests(TestCase):
             Article.objects.latest()
 
         a1 = Article.objects.create(
-            headline="Article 1", pub_date=datetime(2005, 7, 26),
-            expire_date=datetime(2005, 9, 1)
+            headline="Article 1",
+            pub_date=datetime(2005, 7, 26),
+            expire_date=datetime(2005, 9, 1),
         )
         a2 = Article.objects.create(
-            headline="Article 2", pub_date=datetime(2005, 7, 27),
-            expire_date=datetime(2005, 7, 28)
+            headline="Article 2",
+            pub_date=datetime(2005, 7, 27),
+            expire_date=datetime(2005, 7, 28),
         )
         a3 = Article.objects.create(
-            headline="Article 3", pub_date=datetime(2005, 7, 27),
-            expire_date=datetime(2005, 8, 27)
+            headline="Article 3",
+            pub_date=datetime(2005, 7, 27),
+            expire_date=datetime(2005, 8, 27),
         )
         a4 = Article.objects.create(
-            headline="Article 4", pub_date=datetime(2005, 7, 28),
-            expire_date=datetime(2005, 7, 30)
+            headline="Article 4",
+            pub_date=datetime(2005, 7, 28),
+            expire_date=datetime(2005, 7, 30),
         )
 
         # Get the latest Article.
         self.assertEqual(Article.objects.latest(), a4)
         # Get the latest Article that matches certain filters.
         self.assertEqual(
-            Article.objects.filter(pub_date__lt=datetime(2005, 7, 27)).latest(),
-            a1
+            Article.objects.filter(pub_date__lt=datetime(2005, 7, 27)).latest(), a1
         )
 
         # Pass a custom field name to latest() to change the field that's used
         # to determine the latest object.
-        self.assertEqual(Article.objects.latest('expire_date'), a1)
+        self.assertEqual(Article.objects.latest("expire_date"), a1)
         self.assertEqual(
-            Article.objects.filter(pub_date__gt=datetime(2005, 7, 26)).latest('expire_date'),
+            Article.objects.filter(pub_date__gt=datetime(2005, 7, 26)).latest(
+                "expire_date"
+            ),
             a3,
         )
 
         # latest() overrides any other ordering specified on the query (#11283).
-        self.assertEqual(Article.objects.order_by('id').latest(), a4)
+        self.assertEqual(Article.objects.order_by("id").latest(), a4)
 
         # Error is raised if get_latest_by isn't in Model.Meta.
         Article.objects.model._meta.get_latest_by = None
         with self.assertRaisesMessage(
             ValueError,
             "earliest() and latest() require either fields as positional "
-            "arguments or 'get_latest_by' in the model's Meta."
+            "arguments or 'get_latest_by' in the model's Meta.",
         ):
             Article.objects.latest()
 
         # Latest publication date, latest expire date.
-        self.assertEqual(Article.objects.filter(pub_date=datetime(2005, 7, 27)).latest('pub_date', 'expire_date'), a3)
+        self.assertEqual(
+            Article.objects.filter(pub_date=datetime(2005, 7, 27)).latest(
+                "pub_date", "expire_date"
+            ),
+            a3,
+        )
         # Latest publication date, earliest expire date.
         self.assertEqual(
-            Article.objects.filter(pub_date=datetime(2005, 7, 27)).latest('pub_date', '-expire_date'),
+            Article.objects.filter(pub_date=datetime(2005, 7, 27)).latest(
+                "pub_date", "-expire_date"
+            ),
             a2,
         )
 
         # Meta.get_latest_by may be a tuple.
-        Article.objects.model._meta.get_latest_by = ('pub_date', 'expire_date')
-        self.assertEqual(Article.objects.filter(pub_date=datetime(2005, 7, 27)).latest(), a3)
+        Article.objects.model._meta.get_latest_by = ("pub_date", "expire_date")
+        self.assertEqual(
+            Article.objects.filter(pub_date=datetime(2005, 7, 27)).latest(), a3
+        )
 
     def test_latest_sliced_queryset(self):
-        msg = 'Cannot change a query once a slice has been taken.'
+        msg = "Cannot change a query once a slice has been taken."
         with self.assertRaisesMessage(TypeError, msg):
             Article.objects.all()[0:5].latest()
 
@@ -168,29 +195,37 @@ class EarliestOrLatestTests(TestCase):
 
 
 class TestFirstLast(TestCase):
-
     def test_first(self):
         p1 = Person.objects.create(name="Bob", birthday=datetime(1950, 1, 1))
         p2 = Person.objects.create(name="Alice", birthday=datetime(1961, 2, 3))
         self.assertEqual(Person.objects.first(), p1)
-        self.assertEqual(Person.objects.order_by('name').first(), p2)
-        self.assertEqual(Person.objects.filter(birthday__lte=datetime(1955, 1, 1)).first(), p1)
-        self.assertIsNone(Person.objects.filter(birthday__lte=datetime(1940, 1, 1)).first())
+        self.assertEqual(Person.objects.order_by("name").first(), p2)
+        self.assertEqual(
+            Person.objects.filter(birthday__lte=datetime(1955, 1, 1)).first(), p1
+        )
+        self.assertIsNone(
+            Person.objects.filter(birthday__lte=datetime(1940, 1, 1)).first()
+        )
 
     def test_last(self):
         p1 = Person.objects.create(name="Alice", birthday=datetime(1950, 1, 1))
         p2 = Person.objects.create(name="Bob", birthday=datetime(1960, 2, 3))
         # Note: by default PK ordering.
         self.assertEqual(Person.objects.last(), p2)
-        self.assertEqual(Person.objects.order_by('-name').last(), p1)
-        self.assertEqual(Person.objects.filter(birthday__lte=datetime(1955, 1, 1)).last(), p1)
-        self.assertIsNone(Person.objects.filter(birthday__lte=datetime(1940, 1, 1)).last())
+        self.assertEqual(Person.objects.order_by("-name").last(), p1)
+        self.assertEqual(
+            Person.objects.filter(birthday__lte=datetime(1955, 1, 1)).last(), p1
+        )
+        self.assertIsNone(
+            Person.objects.filter(birthday__lte=datetime(1940, 1, 1)).last()
+        )
 
     def test_index_error_not_suppressed(self):
         """
         #23555 -- Unexpected IndexError exceptions in QuerySet iteration
         shouldn't be suppressed.
         """
+
         def check():
             # We know that we've broken the __iter__ method, so the queryset
             # should always raise an exception.
@@ -205,7 +240,8 @@ class TestFirstLast(TestCase):
 
         # And it does not matter if there are any records in the DB.
         IndexErrorArticle.objects.create(
-            headline="Article 1", pub_date=datetime(2005, 7, 26),
-            expire_date=datetime(2005, 9, 1)
+            headline="Article 1",
+            pub_date=datetime(2005, 7, 26),
+            expire_date=datetime(2005, 9, 1),
         )
         check()