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extend the incremental marker for parametrize (#6582) 

extend the incremental marker for parametrize
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Bruno Oliveira 2020-01-29 08:37:33 -03:00 committed by GitHub
parent 8e1d59a8dd d848a20563
commit 99b90f45d0
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1 changed files with 34 additions and 6 deletions
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@ -461,21 +461,49 @@ an ``incremental`` marker which is to be used on classes:
# content of conftest.py # content of conftest.py
import pytest # store history of failures per test class name and per index in parametrize (if parametrize used)
_test_failed_incremental: Dict[str, Dict[Tuple[int, ...], str]] = {}
def pytest_runtest_makereport(item, call): def pytest_runtest_makereport(item, call):
if "incremental" in item.keywords: if "incremental" in item.keywords:
# incremental marker is used
if call.excinfo is not None: if call.excinfo is not None:
parent = item.parent # the test has failed
parent._previousfailed = item # retrieve the class name of the test
cls_name = str(item.cls)
# retrieve the index of the test (if parametrize is used in combination with incremental)
parametrize_index = (
tuple(item.callspec.indices.values())
if hasattr(item, "callspec")
else ()
)
# retrieve the name of the test function
test_name = item.originalname or item.name
# store in _test_failed_incremental the original name of the failed test
_test_failed_incremental.setdefault(cls_name, {}).setdefault(
parametrize_index, test_name
)
def pytest_runtest_setup(item): def pytest_runtest_setup(item):
if "incremental" in item.keywords: if "incremental" in item.keywords:
previousfailed = getattr(item.parent, "_previousfailed", None) # retrieve the class name of the test
if previousfailed is not None: cls_name = str(item.cls)
pytest.xfail("previous test failed ({})".format(previousfailed.name)) # check if a previous test has failed for this class
if cls_name in _test_failed_incremental:
# retrieve the index of the test (if parametrize is used in combination with incremental)
parametrize_index = (
tuple(item.callspec.indices.values())
if hasattr(item, "callspec")
else ()
)
# retrieve the name of the first test function to fail for this class name and index
test_name = _test_failed_incremental[cls_name].get(parametrize_index, None)
# if name found, test has failed for the combination of class name & test name
if test_name is not None:
pytest.xfail("previous test failed ({})".format(test_name))
These two hook implementations work together to abort incremental-marked These two hook implementations work together to abort incremental-marked
tests in a class. Here is a test module example: tests in a class. Here is a test module example: