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""" support for skip/xfail functions and markers. """
import py, pytest
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")
def pytest_namespace():
return dict(xfail=xfail)
class XFailed(pytest.fail.Exception):
""" raised from an explicit call to py.test.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
self.name = name
@property
def holder(self):
return self.item.keywords.get(self.name, None)
def __bool__(self):
return bool(self.holder)
__nonzero__ = __bool__
def istrue(self):
if self.holder:
d = {'os': py.std.os, 'sys': py.std.sys, 'config': self.item.config}
if self.holder.args:
self.result = False
for expr in self.holder.args:
self.expr = expr
if isinstance(expr, str):
result = cached_eval(self.item.config, expr, d)
else:
result = expr
if result:
self.result = True
self.expr = expr
break
else:
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 = self.get('reason', None)
if not expl:
if not hasattr(self, 'expr'):
return ""
else:
return "condition: " + self.expr
return expl
def pytest_runtest_setup(item):
if not isinstance(item, pytest.Function):
return
evalskip = MarkEvaluator(item, 'skipif')
if evalskip.istrue():
py.test.skip(evalskip.getexplanation())
item._evalxfail = MarkEvaluator(item, 'xfail')
check_xfail_no_run(item)
def pytest_pyfunc_call(pyfuncitem):
check_xfail_no_run(pyfuncitem)
def check_xfail_no_run(item):
if not item.config.option.runxfail:
evalxfail = item._evalxfail
if evalxfail.istrue():
if not evalxfail.get('run', True):
py.test.xfail("[NOTRUN] " + evalxfail.getexplanation())
def pytest_runtest_makereport(__multicall__, item, call):
if not isinstance(item, pytest.Function):
return
if not (call.excinfo and
call.excinfo.errisinstance(py.test.xfail.Exception)):
evalxfail = getattr(item, '_evalxfail', None)
if not evalxfail:
return
if call.excinfo and call.excinfo.errisinstance(py.test.xfail.Exception):
if not item.config.getvalue("runxfail"):
rep = __multicall__.execute()
rep.keywords['xfail'] = "reason: " + call.excinfo.value.msg
rep.outcome = "skipped"
return rep
rep = __multicall__.execute()
evalxfail = item._evalxfail
if not item.config.option.runxfail and evalxfail.istrue():
if call.excinfo:
rep.outcome = "skipped"
rep.keywords['xfail'] = evalxfail.getexplanation()
elif call.when == "call":
rep.outcome = "failed"
rep.keywords['xfail'] = evalxfail.getexplanation()
else:
if 'xfail' in rep.keywords:
del rep.keywords['xfail']
return rep
# called by terminalreporter progress reporting
def pytest_report_teststatus(report):
if 'xfail' in report.keywords:
if report.skipped:
return "xfailed", "x", "xfail"
elif report.failed:
return "xpassed", "X", "XPASS"
# 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:
if char == "x":
show_xfailed(terminalreporter, lines)
elif char == "X":
show_xpassed(terminalreporter, lines)
elif char in "fF":
show_failed(terminalreporter, lines)
elif char in "sS":
show_skipped(terminalreporter, lines)
if lines:
tr._tw.sep("=", "short test summary info")
for line in lines:
tr._tw.line(line)
def show_failed(terminalreporter, lines):
tw = terminalreporter._tw
failed = terminalreporter.stats.get("failed")
if failed:
for rep in failed:
pos = rep.nodeid
lines.append("FAIL %s" %(pos, ))
def show_xfailed(terminalreporter, lines):
xfailed = terminalreporter.stats.get("xfailed")
if xfailed:
for rep in xfailed:
pos = rep.nodeid
reason = rep.keywords['xfail']
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 = rep.nodeid
reason = rep.keywords['xfail']
lines.append("XPASS %s %s" %(pos, reason))
def cached_eval(config, expr, d):
if not hasattr(config, '_evalcache'):
config._evalcache = {}
try:
return config._evalcache[expr]
except KeyError:
#import sys
#print >>sys.stderr, ("cache-miss: %r" % expr)
config._evalcache[expr] = x = eval(expr, 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))
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