test_ok2/_pytest/skipping.py

288 lines
10 KiB
Python

""" support for skip/xfail functions and markers. """
from __future__ import absolute_import, division, print_function
from _pytest.config import hookimpl
from _pytest.mark import MarkInfo, MarkDecorator
from _pytest.mark.evaluate import MarkEvaluator
from _pytest.outcomes import fail, skip, xfail
def pytest_addoption(parser):
group = parser.getgroup("general")
group.addoption('--runxfail',
action="store_true", dest="runxfail", default=False,
help="run tests even if they are marked xfail")
parser.addini("xfail_strict",
"default for the strict parameter of xfail "
"markers when not given explicitly (default: False)",
default=False,
type="bool")
def pytest_configure(config):
if config.option.runxfail:
# yay a hack
import pytest
old = pytest.xfail
config._cleanup.append(lambda: setattr(pytest, "xfail", old))
def nop(*args, **kwargs):
pass
nop.Exception = xfail.Exception
setattr(pytest, "xfail", nop)
config.addinivalue_line("markers",
"skip(reason=None): skip the given test function with an optional reason. "
"Example: skip(reason=\"no way of currently testing this\") skips the "
"test."
)
config.addinivalue_line("markers",
"skipif(condition): skip the given test function if eval(condition) "
"results in a True value. Evaluation happens within the "
"module global context. Example: skipif('sys.platform == \"win32\"') "
"skips the test if we are on the win32 platform. see "
"http://pytest.org/latest/skipping.html"
)
config.addinivalue_line("markers",
"xfail(condition, reason=None, run=True, raises=None, strict=False): "
"mark the test function as an expected failure if eval(condition) "
"has a True value. Optionally specify a reason for better reporting "
"and run=False if you don't even want to execute the test function. "
"If only specific exception(s) are expected, you can list them in "
"raises, and if the test fails in other ways, it will be reported as "
"a true failure. See http://pytest.org/latest/skipping.html"
)
@hookimpl(tryfirst=True)
def pytest_runtest_setup(item):
# Check if skip or skipif are specified as pytest marks
item._skipped_by_mark = False
skipif_info = item.keywords.get('skipif')
if isinstance(skipif_info, (MarkInfo, MarkDecorator)):
eval_skipif = MarkEvaluator(item, 'skipif')
if eval_skipif.istrue():
item._skipped_by_mark = True
skip(eval_skipif.getexplanation())
skip_info = item.keywords.get('skip')
if isinstance(skip_info, (MarkInfo, MarkDecorator)):
item._skipped_by_mark = True
if 'reason' in skip_info.kwargs:
skip(skip_info.kwargs['reason'])
elif skip_info.args:
skip(skip_info.args[0])
else:
skip("unconditional skip")
item._evalxfail = MarkEvaluator(item, 'xfail')
check_xfail_no_run(item)
@hookimpl(hookwrapper=True)
def pytest_pyfunc_call(pyfuncitem):
check_xfail_no_run(pyfuncitem)
outcome = yield
passed = outcome.excinfo is None
if passed:
check_strict_xfail(pyfuncitem)
def check_xfail_no_run(item):
"""check xfail(run=False)"""
if not item.config.option.runxfail:
evalxfail = item._evalxfail
if evalxfail.istrue():
if not evalxfail.get('run', True):
xfail("[NOTRUN] " + evalxfail.getexplanation())
def check_strict_xfail(pyfuncitem):
"""check xfail(strict=True) for the given PASSING test"""
evalxfail = pyfuncitem._evalxfail
if evalxfail.istrue():
strict_default = pyfuncitem.config.getini('xfail_strict')
is_strict_xfail = evalxfail.get('strict', strict_default)
if is_strict_xfail:
del pyfuncitem._evalxfail
explanation = evalxfail.getexplanation()
fail('[XPASS(strict)] ' + explanation, pytrace=False)
@hookimpl(hookwrapper=True)
def pytest_runtest_makereport(item, call):
outcome = yield
rep = outcome.get_result()
evalxfail = getattr(item, '_evalxfail', None)
# unitttest special case, see setting of _unexpectedsuccess
if hasattr(item, '_unexpectedsuccess') and rep.when == "call":
from _pytest.compat import _is_unittest_unexpected_success_a_failure
if item._unexpectedsuccess:
rep.longrepr = "Unexpected success: {0}".format(item._unexpectedsuccess)
else:
rep.longrepr = "Unexpected success"
if _is_unittest_unexpected_success_a_failure():
rep.outcome = "failed"
else:
rep.outcome = "passed"
rep.wasxfail = rep.longrepr
elif item.config.option.runxfail:
pass # don't interefere
elif call.excinfo and call.excinfo.errisinstance(xfail.Exception):
rep.wasxfail = "reason: " + call.excinfo.value.msg
rep.outcome = "skipped"
elif evalxfail and not rep.skipped and evalxfail.wasvalid() and \
evalxfail.istrue():
if call.excinfo:
if evalxfail.invalidraise(call.excinfo.value):
rep.outcome = "failed"
else:
rep.outcome = "skipped"
rep.wasxfail = evalxfail.getexplanation()
elif call.when == "call":
strict_default = item.config.getini('xfail_strict')
is_strict_xfail = evalxfail.get('strict', strict_default)
explanation = evalxfail.getexplanation()
if is_strict_xfail:
rep.outcome = "failed"
rep.longrepr = "[XPASS(strict)] {0}".format(explanation)
else:
rep.outcome = "passed"
rep.wasxfail = explanation
elif getattr(item, '_skipped_by_mark', False) and rep.skipped and type(rep.longrepr) is tuple:
# skipped by mark.skipif; change the location of the failure
# to point to the item definition, otherwise it will display
# the location of where the skip exception was raised within pytest
filename, line, reason = rep.longrepr
filename, line = item.location[:2]
rep.longrepr = filename, line, reason
# called by terminalreporter progress reporting
def pytest_report_teststatus(report):
if hasattr(report, "wasxfail"):
if report.skipped:
return "xfailed", "x", "xfail"
elif report.passed:
return "xpassed", "X", ("XPASS", {'yellow': True})
# called by the terminalreporter instance/plugin
def pytest_terminal_summary(terminalreporter):
tr = terminalreporter
if not tr.reportchars:
# for name in "xfailed skipped failed xpassed":
# if not tr.stats.get(name, 0):
# tr.write_line("HINT: use '-r' option to see extra "
# "summary info about tests")
# break
return
lines = []
for char in tr.reportchars:
action = REPORTCHAR_ACTIONS.get(char, lambda tr, lines: None)
action(terminalreporter, lines)
if lines:
tr._tw.sep("=", "short test summary info")
for line in lines:
tr._tw.line(line)
def show_simple(terminalreporter, lines, stat, format):
failed = terminalreporter.stats.get(stat)
if failed:
for rep in failed:
pos = terminalreporter.config.cwd_relative_nodeid(rep.nodeid)
lines.append(format % (pos,))
def show_xfailed(terminalreporter, lines):
xfailed = terminalreporter.stats.get("xfailed")
if xfailed:
for rep in xfailed:
pos = terminalreporter.config.cwd_relative_nodeid(rep.nodeid)
reason = rep.wasxfail
lines.append("XFAIL %s" % (pos,))
if reason:
lines.append(" " + str(reason))
def show_xpassed(terminalreporter, lines):
xpassed = terminalreporter.stats.get("xpassed")
if xpassed:
for rep in xpassed:
pos = terminalreporter.config.cwd_relative_nodeid(rep.nodeid)
reason = rep.wasxfail
lines.append("XPASS %s %s" % (pos, reason))
def folded_skips(skipped):
d = {}
for event in skipped:
key = event.longrepr
assert len(key) == 3, (event, key)
keywords = getattr(event, 'keywords', {})
# folding reports with global pytestmark variable
# this is workaround, because for now we cannot identify the scope of a skip marker
# TODO: revisit after marks scope would be fixed
when = getattr(event, 'when', None)
if when == 'setup' and 'skip' in keywords and 'pytestmark' not in keywords:
key = (key[0], None, key[2])
d.setdefault(key, []).append(event)
values = []
for key, events in d.items():
values.append((len(events),) + key)
return values
def show_skipped(terminalreporter, lines):
tr = terminalreporter
skipped = tr.stats.get('skipped', [])
if skipped:
# if not tr.hasopt('skipped'):
# tr.write_line(
# "%d skipped tests, specify -rs for more info" %
# len(skipped))
# return
fskips = folded_skips(skipped)
if fskips:
# tr.write_sep("_", "skipped test summary")
for num, fspath, lineno, reason in fskips:
if reason.startswith("Skipped: "):
reason = reason[9:]
if lineno is not None:
lines.append(
"SKIP [%d] %s:%d: %s" %
(num, fspath, lineno + 1, reason))
else:
lines.append(
"SKIP [%d] %s: %s" %
(num, fspath, reason))
def shower(stat, format):
def show_(terminalreporter, lines):
return show_simple(terminalreporter, lines, stat, format)
return show_
REPORTCHAR_ACTIONS = {
'x': show_xfailed,
'X': show_xpassed,
'f': shower('failed', "FAIL %s"),
'F': shower('failed', "FAIL %s"),
's': show_skipped,
'S': show_skipped,
'p': shower('passed', "PASSED %s"),
'E': shower('error', "ERROR %s")
}