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import pytest
from django.test import SimpleTestCase, TestCase, tag
from .helpers import DjangoPytester
from pytest_django_test.app.models import Item
class TestFixtures(TestCase):
fixtures = ("items",)
def test_fixtures(self) -> None:
assert Item.objects.count() == 1
assert Item.objects.get().name == "Fixture item"
def test_fixtures_again(self) -> None:
"""Ensure fixtures are only loaded once."""
self.test_fixtures()
class TestSetup(TestCase):
def setUp(self) -> None:
"""setUp should be called after starting a transaction"""
assert Item.objects.count() == 0
Item.objects.create(name="Some item")
Item.objects.create(name="Some item again")
def test_count(self) -> None:
self.assertEqual(Item.objects.count(), 2) # noqa: PT009
assert Item.objects.count() == 2
Item.objects.create(name="Foo")
self.assertEqual(Item.objects.count(), 3) # noqa: PT009
def test_count_again(self) -> None:
self.test_count()
def tearDown(self) -> None:
"""tearDown should be called before rolling back the database"""
assert Item.objects.count() == 3
class TestFixturesWithSetup(TestCase):
fixtures = ("items",)
def setUp(self) -> None:
assert Item.objects.count() == 1
Item.objects.create(name="Some item")
def test_count(self) -> None:
assert Item.objects.count() == 2
Item.objects.create(name="Some item again")
def test_count_again(self) -> None:
self.test_count()
def tearDown(self) -> None:
assert Item.objects.count() == 3
@tag("tag1", "tag2")
class TestDjangoTagsToPytestMarkers(SimpleTestCase):
"""Django test tags are converted to Pytest markers, at the class & method
levels."""
@pytest.fixture(autouse=True)
def gimme_my_markers(self, request: pytest.FixtureRequest) -> None:
self.markers = {m.name for m in request.node.iter_markers()}
@tag("tag3", "tag4") # type: ignore[misc]
def test_1(self) -> None:
assert self.markers == {"tag1", "tag2", "tag3", "tag4"}
def test_2(self) -> None:
assert self.markers == {"tag1", "tag2"}
@tag("tag5") # type: ignore[misc]
def test_3(self) -> None:
assert self.markers == {"tag1", "tag2", "tag5"}
@tag("tag1")
class TestNonDjangoClassWithTags:
"""Django test tags are only converted to Pytest markers if actually
Django tests. Use pytest markers directly for pytest tests."""
@pytest.fixture(autouse=True)
def gimme_my_markers(self, request: pytest.FixtureRequest) -> None:
self.markers = {m.name for m in request.node.iter_markers()}
@tag("tag2") # type: ignore[misc]
def test_1(self) -> None:
assert not self.markers
def test_sole_test(django_pytester: DjangoPytester) -> None:
"""
Make sure the database is configured when only Django TestCase classes
are collected, without the django_db marker.
Also ensures that the DB is available after a failure (#824).
"""
django_pytester.create_test_module(
"""
import os
from django.test import TestCase
from django.conf import settings
from .app.models import Item
class TestFoo(TestCase):
def test_foo(self):
# Make sure we are actually using the test database
_, db_name = os.path.split(settings.DATABASES['default']['NAME'])
assert db_name.startswith('test_') or db_name == ':memory:' \\
or 'file:memorydb' in db_name
# Make sure it is usable
assert Item.objects.count() == 0
assert 0, "trigger_error"
class TestBar(TestCase):
def test_bar(self):
assert Item.objects.count() == 0
"""
)
result = django_pytester.runpytest_subprocess("-v")
result.stdout.fnmatch_lines(
[
"*::test_foo FAILED",
"*::test_bar PASSED",
'> assert 0, "trigger_error"',
"E AssertionError: trigger_error",
"E assert 0",
"*= 1 failed, 1 passed*",
]
)
assert result.ret == 1
class TestUnittestMethods:
"Test that setup/teardown methods of unittests are being called."
def test_django(self, django_pytester: DjangoPytester) -> None:
django_pytester.create_test_module(
"""
from django.test import TestCase
class TestFoo(TestCase):
@classmethod
def setUpClass(self):
print('\\nCALLED: setUpClass')
def setUp(self):
print('\\nCALLED: setUp')
def tearDown(self):
print('\\nCALLED: tearDown')
@classmethod
def tearDownClass(self):
print('\\nCALLED: tearDownClass')
def test_pass(self):
pass
"""
)
result = django_pytester.runpytest_subprocess("-v", "-s")
result.stdout.fnmatch_lines(
[
"CALLED: setUpClass",
"CALLED: setUp",
"CALLED: tearDown",
"PASSED*",
"CALLED: tearDownClass",
]
)
assert result.ret == 0
def test_setUpClass_not_being_a_classmethod(self, django_pytester: DjangoPytester) -> None:
django_pytester.create_test_module(
"""
from django.test import TestCase
class TestFoo(TestCase):
def setUpClass(self):
pass
def test_pass(self):
pass
"""
)
result = django_pytester.runpytest_subprocess("-v", "-s")
expected_lines = [
"* ERROR at setup of TestFoo.test_pass *",
"E * TypeError: *",
]
result.stdout.fnmatch_lines(expected_lines)
assert result.ret == 1
def test_setUpClass_multiple_subclasses(self, django_pytester: DjangoPytester) -> None:
django_pytester.create_test_module(
"""
from django.test import TestCase
class TestFoo(TestCase):
@classmethod
def setUpClass(cls):
super(TestFoo, cls).setUpClass()
def test_shared(self):
pass
class TestBar(TestFoo):
def test_bar1(self):
pass
class TestBar2(TestFoo):
def test_bar21(self):
pass
"""
)
result = django_pytester.runpytest_subprocess("-v")
result.stdout.fnmatch_lines(
[
"*TestFoo::test_shared PASSED*",
"*TestBar::test_bar1 PASSED*",
"*TestBar::test_shared PASSED*",
"*TestBar2::test_bar21 PASSED*",
"*TestBar2::test_shared PASSED*",
]
)
assert result.ret == 0
def test_setUpClass_mixin(self, django_pytester: DjangoPytester) -> None:
django_pytester.create_test_module(
"""
from django.test import TestCase
class TheMixin:
@classmethod
def setUpClass(cls):
super(TheMixin, cls).setUpClass()
class TestFoo(TheMixin, TestCase):
def test_foo(self):
pass
class TestBar(TheMixin, TestCase):
def test_bar(self):
pass
"""
)
result = django_pytester.runpytest_subprocess("-v")
result.stdout.fnmatch_lines(["*TestFoo::test_foo PASSED*", "*TestBar::test_bar PASSED*"])
assert result.ret == 0
def test_setUpClass_skip(self, django_pytester: DjangoPytester) -> None:
django_pytester.create_test_module(
"""
from django.test import TestCase
import pytest
class TestFoo(TestCase):
@classmethod
def setUpClass(cls):
if cls is TestFoo:
raise pytest.skip("Skip base class")
super(TestFoo, cls).setUpClass()
def test_shared(self):
pass
class TestBar(TestFoo):
def test_bar1(self):
pass
class TestBar2(TestFoo):
def test_bar21(self):
pass
"""
)
result = django_pytester.runpytest_subprocess("-v")
result.stdout.fnmatch_lines(
[
"*TestFoo::test_shared SKIPPED*",
"*TestBar::test_bar1 PASSED*",
"*TestBar::test_shared PASSED*",
"*TestBar2::test_bar21 PASSED*",
"*TestBar2::test_shared PASSED*",
]
)
assert result.ret == 0
def test_multi_inheritance_setUpClass(self, django_pytester: DjangoPytester) -> None:
django_pytester.create_test_module(
"""
from django.test import TestCase
# Using a mixin is a regression test, see #280 for more details:
# https://github.com/pytest-dev/pytest-django/issues/280
class SomeMixin:
pass
class TestA(SomeMixin, TestCase):
expected_state = ['A']
state = []
@classmethod
def setUpClass(cls):
super(TestA, cls).setUpClass()
cls.state.append('A')
@classmethod
def tearDownClass(cls):
assert cls.state.pop() == 'A'
super(TestA, cls).tearDownClass()
def test_a(self):
assert self.state == self.expected_state
class TestB(TestA):
expected_state = ['A', 'B']
@classmethod
def setUpClass(cls):
super(TestB, cls).setUpClass()
cls.state.append('B')
@classmethod
def tearDownClass(cls):
assert cls.state.pop() == 'B'
super(TestB, cls).tearDownClass()
def test_b(self):
assert self.state == self.expected_state
class TestC(TestB):
expected_state = ['A', 'B', 'C']
@classmethod
def setUpClass(cls):
super(TestC, cls).setUpClass()
cls.state.append('C')
@classmethod
def tearDownClass(cls):
assert cls.state.pop() == 'C'
super(TestC, cls).tearDownClass()
def test_c(self):
assert self.state == self.expected_state
"""
)
result = django_pytester.runpytest_subprocess("-vvvv", "-s")
assert result.parseoutcomes()["passed"] == 6
assert result.ret == 0
def test_unittest(self, django_pytester: DjangoPytester) -> None:
django_pytester.create_test_module(
"""
from unittest import TestCase
class TestFoo(TestCase):
@classmethod
def setUpClass(self):
print('\\nCALLED: setUpClass')
def setUp(self):
print('\\nCALLED: setUp')
def tearDown(self):
print('\\nCALLED: tearDown')
@classmethod
def tearDownClass(self):
print('\\nCALLED: tearDownClass')
def test_pass(self):
pass
"""
)
result = django_pytester.runpytest_subprocess("-v", "-s")
result.stdout.fnmatch_lines(
[
"CALLED: setUpClass",
"CALLED: setUp",
"CALLED: tearDown",
"PASSED*",
"CALLED: tearDownClass",
]
)
assert result.ret == 0
def test_setUpClass_leaf_but_not_in_dunder_dict(self, django_pytester: DjangoPytester) -> None:
django_pytester.create_test_module(
"""
from django.test import testcases
class CMSTestCase(testcases.TestCase):
pass
class FooBarTestCase(testcases.TestCase):
@classmethod
def setUpClass(cls):
print('FooBarTestCase.setUpClass')
super(FooBarTestCase, cls).setUpClass()
class TestContact(CMSTestCase, FooBarTestCase):
def test_noop(self):
print('test_noop')
"""
)
result = django_pytester.runpytest_subprocess("-q", "-s")
result.stdout.fnmatch_lines(["*FooBarTestCase.setUpClass*", "*test_noop*", "1 passed*"])
assert result.ret == 0
class TestCaseWithDbFixture(TestCase):
pytestmark = pytest.mark.usefixtures("db")
def test_simple(self) -> None:
# We only want to check setup/teardown does not conflict
assert 1
class TestCaseWithTrDbFixture(TestCase):
pytestmark = pytest.mark.usefixtures("transactional_db")
def test_simple(self) -> None:
# We only want to check setup/teardown does not conflict
assert 1
def test_pdb_enabled(django_pytester: DjangoPytester) -> None:
"""
Make sure the database is flushed and tests are isolated when
using the --pdb option.
See issue #405 for details:
https://github.com/pytest-dev/pytest-django/issues/405
"""
django_pytester.create_test_module(
'''
import os
from django.test import TestCase
from django.conf import settings
from .app.models import Item
class TestPDBIsolation(TestCase):
def setUp(self):
"""setUp should be called after starting a transaction"""
assert Item.objects.count() == 0
Item.objects.create(name='Some item')
Item.objects.create(name='Some item again')
def test_count(self):
self.assertEqual(Item.objects.count(), 2)
assert Item.objects.count() == 2
Item.objects.create(name='Foo')
self.assertEqual(Item.objects.count(), 3)
def test_count_again(self):
self.test_count()
def tearDown(self):
"""tearDown should be called before rolling back the database"""
assert Item.objects.count() == 3
'''
)
result = django_pytester.runpytest_subprocess("-v", "--pdb")
assert result.ret == 0
def test_debug_not_used(django_pytester: DjangoPytester) -> None:
django_pytester.create_test_module(
"""
from django.test import TestCase
pre_setup_count = 0
class TestClass1(TestCase):
def debug(self):
assert 0, "should not be called"
def test_method(self):
pass
"""
)
result = django_pytester.runpytest_subprocess("--pdb")
result.stdout.fnmatch_lines(["*= 1 passed*"])
assert result.ret == 0
|
