Fixed #32178 -- Allowed database backends to skip tests and mark expected failures.

Co-authored-by: Tim Graham <timograham@gmail.com>

5 files changed, 4 insertions, 19 deletions

diff --git a/tests/model_fields/test_charfield.py b/tests/model_fields/test_charfield.py
index 0e6109c860..17c230c776 100644
--- a/tests/model_fields/test_charfield.py
+++ b/tests/model_fields/test_charfield.py
@@ -1,7 +1,5 @@
-from unittest import skipIf
-
 from django.core.exceptions import ValidationError
-from django.db import connection, models
+from django.db import models
 from django.test import SimpleTestCase, TestCase
 
 from .models import Post
@@ -22,7 +20,6 @@ class TestCharField(TestCase):
     def test_lookup_integer_in_charfield(self):
         self.assertEqual(Post.objects.filter(title=9).count(), 0)
 
-    @skipIf(connection.vendor == 'mysql', 'Running on MySQL requires utf8mb4 encoding (#18392)')
     def test_emoji(self):
         p = Post.objects.create(title='Smile 😀', body='Whatever.')
         p.refresh_from_db()
diff --git a/tests/model_fields/test_decimalfield.py b/tests/model_fields/test_decimalfield.py
index 729b5e570a..2d96cfd437 100644
--- a/tests/model_fields/test_decimalfield.py
+++ b/tests/model_fields/test_decimalfield.py
@@ -1,9 +1,8 @@
-import unittest
 from decimal import Decimal
 
 from django.core import validators
 from django.core.exceptions import ValidationError
-from django.db import connection, models
+from django.db import models
 from django.test import TestCase
 
 from .models import BigD, Foo
@@ -66,7 +65,6 @@ class DecimalFieldTests(TestCase):
         bd = BigD.objects.get(pk=bd.pk)
         self.assertEqual(bd.d, Decimal('12.9'))
 
-    @unittest.skipIf(connection.vendor == 'sqlite', 'SQLite stores values rounded to 15 significant digits.')
     def test_fetch_from_db_without_float_rounding(self):
         big_decimal = BigD.objects.create(d=Decimal('.100000000000000000000000000005'))
         big_decimal.refresh_from_db()
diff --git a/tests/model_fields/test_integerfield.py b/tests/model_fields/test_integerfield.py
index 13b18d967c..af5a9f2e35 100644
--- a/tests/model_fields/test_integerfield.py
+++ b/tests/model_fields/test_integerfield.py
@@ -1,5 +1,3 @@
-import unittest
-
 from django.core import validators
 from django.core.exceptions import ValidationError
 from django.db import IntegrityError, connection, models
@@ -192,7 +190,6 @@ class PositiveIntegerFieldTests(IntegerFieldTests):
         else models.IntegerField
     )
 
-    @unittest.skipIf(connection.vendor == 'sqlite', "SQLite doesn't have a constraint.")
     def test_negative_values(self):
         p = PositiveIntegerModel.objects.create(value=0)
         p.value = models.F('value') - 1
diff --git a/tests/model_fields/test_jsonfield.py b/tests/model_fields/test_jsonfield.py
index 321826814b..f71efcff61 100644
--- a/tests/model_fields/test_jsonfield.py
+++ b/tests/model_fields/test_jsonfield.py
@@ -1,6 +1,6 @@
 import operator
 import uuid
-from unittest import mock, skipIf
+from unittest import mock
 
 from django import forms
 from django.core import serializers
@@ -719,10 +719,6 @@ class TestQuerying(TestCase):
             objs_with_value,
         )
 
-    @skipIf(
-        connection.vendor == 'oracle',
-        'Raises ORA-00600: internal error code on Oracle 18.',
-    )
     def test_usage_in_subquery(self):
         self.assertSequenceEqual(
             NullableJSONModel.objects.filter(
diff --git a/tests/model_fields/test_textfield.py b/tests/model_fields/test_textfield.py
index f0bce822a4..dd5f5a5280 100644
--- a/tests/model_fields/test_textfield.py
+++ b/tests/model_fields/test_textfield.py
@@ -1,7 +1,5 @@
-from unittest import skipIf
-
 from django import forms
-from django.db import connection, models
+from django.db import models
 from django.test import SimpleTestCase, TestCase
 
 from .models import Post
@@ -32,7 +30,6 @@ class TextFieldTests(TestCase):
     def test_lookup_integer_in_textfield(self):
         self.assertEqual(Post.objects.filter(body=24).count(), 0)
 
-    @skipIf(connection.vendor == 'mysql', 'Running on MySQL requires utf8mb4 encoding (#18392)')
     def test_emoji(self):
         p = Post.objects.create(title='Whatever', body='Smile 😀.')
         p.refresh_from_db()