blob: 69157f485a01188816694d38a236751d2e81f9fc [file] [log] [blame]
""" support for skip/xfail functions and markers. """
import os
import sys
import traceback
import py
import pytest
from _pytest.mark import MarkInfo, MarkDecorator
def pytest_addoption(parser):
group = parser.getgroup("general")
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: "
def pytest_configure(config):
if config.option.runxfail:
old = pytest.xfail
config._cleanup.append(lambda: setattr(pytest, "xfail", old))
def nop(*args, **kwargs):
nop.Exception = XFailed
setattr(pytest, "xfail", nop)
"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 "
"xfail(condition, reason=None, run=True, raises=None): mark the 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. "
def pytest_namespace():
return dict(xfail=xfail)
class XFailed(
""" raised from an explicit call to pytest.xfail() """
def xfail(reason=""):
""" xfail an executing test or setup functions with the given reason."""
__tracebackhide__ = True
raise XFailed(reason)
xfail.Exception = XFailed
class MarkEvaluator:
def __init__(self, item, name):
self.item = item = name
def holder(self):
return self.item.keywords.get(
def __bool__(self):
return bool(self.holder)
__nonzero__ = __bool__
def wasvalid(self):
return not hasattr(self, 'exc')
def invalidraise(self, exc):
raises = self.get('raises')
if not raises:
return not isinstance(exc, raises)
def istrue(self):
return self._istrue()
except Exception:
self.exc = sys.exc_info()
if isinstance(self.exc[1], SyntaxError):
msg = [" " * (self.exc[1].offset + 4) + "^",]
msg.append("SyntaxError: invalid syntax")
msg = traceback.format_exception_only(*self.exc[:2])"Error evaluating %r expression\n"
" %s\n"
%(, self.expr, "\n".join(msg)),
def _getglobals(self):
d = {'os': os, 'sys': sys, 'config': self.item.config}
func = self.item.obj
except AttributeError:
return d
def _istrue(self):
if hasattr(self, 'result'):
return self.result
if self.holder:
d = self._getglobals()
if self.holder.args:
self.result = False
# "holder" might be a MarkInfo or a MarkDecorator; only
# MarkInfo keeps track of all parameters it received in an
# _arglist attribute
if hasattr(self.holder, '_arglist'):
arglist = self.holder._arglist
arglist = [(self.holder.args, self.holder.kwargs)]
for args, kwargs in arglist:
for expr in args:
self.expr = expr
if isinstance(expr, py.builtin._basestring):
result = cached_eval(self.item.config, expr, d)
if "reason" not in kwargs:
# XXX better be checked at collection time
msg = "you need to specify reason=STRING " \
"when using booleans as conditions."
result = bool(expr)
if result:
self.result = True
self.reason = kwargs.get('reason', None)
self.expr = expr
return self.result
self.result = True
return getattr(self, 'result', False)
def get(self, attr, default=None):
return self.holder.kwargs.get(attr, default)
def getexplanation(self):
expl = getattr(self, 'reason', None) or self.get('reason', None)
if not expl:
if not hasattr(self, 'expr'):
return ""
return "condition: " + str(self.expr)
return expl
def pytest_runtest_setup(item):
# Check if skip or skipif are specified as pytest marks
skipif_info = item.keywords.get('skipif')
if isinstance(skipif_info, (MarkInfo, MarkDecorator)):
eval_skipif = MarkEvaluator(item, 'skipif')
if eval_skipif.istrue():
item._evalskip = eval_skipif
skip_info = item.keywords.get('skip')
if isinstance(skip_info, (MarkInfo, MarkDecorator)):
item._evalskip = True
if 'reason' in skip_info.kwargs:
elif skip_info.args:
pytest.skip("unconditional skip")
item._evalxfail = MarkEvaluator(item, 'xfail')
def pytest_pyfunc_call(pyfuncitem):
outcome = yield
passed = outcome.excinfo is None
if passed:
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):
pytest.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()'[XPASS(strict)] ' + explanation, pytrace=False)
def pytest_runtest_makereport(item, call):
outcome = yield
rep = outcome.get_result()
evalxfail = getattr(item, '_evalxfail', None)
evalskip = getattr(item, '_evalskip', None)
# unitttest special case, see setting of _unexpectedsuccess
if hasattr(item, '_unexpectedsuccess') and rep.when == "call":
# we need to translate into how pytest encodes xpass
rep.wasxfail = "reason: " + repr(item._unexpectedsuccess)
rep.outcome = "failed"
elif item.config.option.runxfail:
pass # don't interefere
elif call.excinfo and call.excinfo.errisinstance(pytest.xfail.Exception):
rep.wasxfail = "reason: " + call.excinfo.value.msg
rep.outcome = "skipped"
elif evalxfail and not rep.skipped and evalxfail.wasvalid() and \
if call.excinfo:
if evalxfail.invalidraise(call.excinfo.value):
rep.outcome = "failed"
rep.outcome = "skipped"
rep.wasxfail = evalxfail.getexplanation()
elif call.when == "call":
rep.outcome = "failed" # xpass outcome
rep.wasxfail = evalxfail.getexplanation()
elif evalskip is not None 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.failed:
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
lines = []
for char in tr.reportchars:
if char == "x":
show_xfailed(terminalreporter, lines)
elif char == "X":
show_xpassed(terminalreporter, lines)
elif char in "fF":
show_simple(terminalreporter, lines, 'failed', "FAIL %s")
elif char in "sS":
show_skipped(terminalreporter, lines)
elif char == "E":
show_simple(terminalreporter, lines, 'error', "ERROR %s")
elif char == 'p':
show_simple(terminalreporter, lines, 'passed', "PASSED %s")
if lines:
tr._tw.sep("=", "short test summary info")
for line in lines:
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 cached_eval(config, expr, d):
if not hasattr(config, '_evalcache'):
config._evalcache = {}
return config._evalcache[expr]
except KeyError:
import _pytest._code
exprcode = _pytest._code.compile(expr, mode="eval")
config._evalcache[expr] = x = eval(exprcode, d)
return x
def folded_skips(skipped):
d = {}
for event in skipped:
key = event.longrepr
assert len(key) == 3, (event, key)
d.setdefault(key, []).append(event)
l = []
for key, events in d.items():
l.append((len(events),) + key)
return l
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:]
lines.append("SKIP [%d] %s:%d: %s" %
(num, fspath, lineno, reason))