OpenSlides/tests/conftest.py

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import pytest
from django.test import TestCase, TransactionTestCase
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from pytest_django.django_compat import is_django_unittest
from pytest_django.plugin import validate_django_db
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from openslides.utils.cache import element_cache
def pytest_collection_modifyitems(items):
"""
Helper until https://github.com/pytest-dev/pytest-django/issues/214 is fixed.
"""
def get_marker_transaction(test):
marker = test.get_closest_marker('django_db')
if marker:
validate_django_db(marker)
return marker.kwargs['transaction']
return None
def has_fixture(test, fixture):
funcargnames = getattr(test, 'funcargnames', None)
return funcargnames and fixture in funcargnames
def weight_test_case(test):
"""
Key function for ordering test cases like the Django test runner.
"""
is_test_case_subclass = test.cls and issubclass(test.cls, TestCase)
is_transaction_test_case_subclass = test.cls and issubclass(test.cls, TransactionTestCase)
if is_test_case_subclass or get_marker_transaction(test) is False:
return 0
elif has_fixture(test, 'db'):
return 0
if is_transaction_test_case_subclass or get_marker_transaction(test) is True:
return 1
elif has_fixture(test, 'transactional_db'):
return 1
return 0
items.sort(key=weight_test_case)
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@pytest.fixture(autouse=True)
def constants(request):
"""
Resets the constants on every test.
Uses fake constants, if the db is not in use.
"""
from openslides.utils.constants import set_constants, get_constants_from_apps
if 'django_db' in request.node.keywords or is_django_unittest(request):
# When the db is created, use the original constants
set_constants(get_constants_from_apps())
else:
# Else: Use fake constants
set_constants({'constant1': 'value1', 'constant2': 'value2'})
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@pytest.fixture(autouse=True)
def reset_cache(request):
"""
Resetts the cache for every test
"""
if 'django_db' in request.node.keywords or is_django_unittest(request):
# When the db is created, use the original cachables
element_cache.ensure_cache(reset=True)