test_ok1/py/_test/session.py

117 lines
4.2 KiB
Python

""" basic test session implementation.
* drives collection of tests
* triggers executions of tests
* produces events used by reporting
"""
import py
from py._test import outcome
# imports used for genitems()
Item = py.test.collect.Item
Collector = py.test.collect.Collector
class Session(object):
nodeid = ""
def __init__(self, config):
self.config = config
self.pluginmanager = config.pluginmanager # shortcut
self.pluginmanager.register(self)
self._testsfailed = False
self._nomatch = False
self.shouldstop = False
def genitems(self, colitems, keywordexpr=None):
""" yield Items from iterating over the given colitems. """
while colitems:
next = colitems.pop(0)
if isinstance(next, (tuple, list)):
colitems[:] = list(next) + colitems
continue
assert self.pluginmanager is next.config.pluginmanager
if isinstance(next, Item):
remaining = self.filteritems([next])
if remaining:
self.config.hook.pytest_itemstart(item=next)
yield next
else:
assert isinstance(next, Collector)
self.config.hook.pytest_collectstart(collector=next)
rep = self.config.hook.pytest_make_collect_report(collector=next)
if rep.passed:
for x in self.genitems(rep.result, keywordexpr):
yield x
self.config.hook.pytest_collectreport(report=rep)
if self.shouldstop:
break
def filteritems(self, colitems):
""" return items to process (some may be deselected)"""
keywordexpr = self.config.option.keyword
if not keywordexpr or self._nomatch:
return colitems
if keywordexpr[-1] == ":":
keywordexpr = keywordexpr[:-1]
remaining = []
deselected = []
for colitem in colitems:
if isinstance(colitem, Item):
if colitem._skipbykeyword(keywordexpr):
deselected.append(colitem)
continue
remaining.append(colitem)
if deselected:
self.config.hook.pytest_deselected(items=deselected)
if self.config.option.keyword.endswith(":"):
self._nomatch = True
return remaining
def collect(self, colitems):
keyword = self.config.option.keyword
for x in self.genitems(colitems, keyword):
yield x
def sessionstarts(self):
""" setup any neccessary resources ahead of the test run. """
self.config.hook.pytest_sessionstart(session=self)
def pytest_runtest_logreport(self, report):
if report.failed:
self._testsfailed = True
if self.config.option.exitfirst:
self.shouldstop = True
pytest_collectreport = pytest_runtest_logreport
def sessionfinishes(self, exitstatus):
""" teardown any resources after a test run. """
self.config.hook.pytest_sessionfinish(
session=self,
exitstatus=exitstatus,
)
def main(self, colitems):
""" main loop for running tests. """
self.shouldstop = False
self.sessionstarts()
exitstatus = outcome.EXIT_OK
captured_excinfo = None
try:
for item in self.collect(colitems):
if self.shouldstop:
break
if not self.config.option.collectonly:
item.config.hook.pytest_runtest_protocol(item=item)
except KeyboardInterrupt:
excinfo = py.code.ExceptionInfo()
self.config.hook.pytest_keyboard_interrupt(excinfo=excinfo)
exitstatus = outcome.EXIT_INTERRUPTED
except:
excinfo = py.code.ExceptionInfo()
self.config.pluginmanager.notify_exception(captured_excinfo)
exitstatus = outcome.EXIT_INTERNALERROR
if exitstatus == 0 and self._testsfailed:
exitstatus = outcome.EXIT_TESTSFAILED
self.sessionfinishes(exitstatus=exitstatus)
return exitstatus