mirror of
https://github.com/thegeeklab/ansible-later.git
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376 lines
12 KiB
Python
376 lines
12 KiB
Python
""" basic collect and runtest protocol implementations """
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import print_function
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import bdb
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import os
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import sys
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from time import time
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import attr
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import six
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from .reports import CollectErrorRepr
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from .reports import CollectReport
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from .reports import TestReport
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from _pytest._code.code import ExceptionInfo
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from _pytest.outcomes import Exit
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from _pytest.outcomes import skip
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from _pytest.outcomes import Skipped
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from _pytest.outcomes import TEST_OUTCOME
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#
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# pytest plugin hooks
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def pytest_addoption(parser):
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group = parser.getgroup("terminal reporting", "reporting", after="general")
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group.addoption(
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"--durations",
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action="store",
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type=int,
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default=None,
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metavar="N",
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help="show N slowest setup/test durations (N=0 for all).",
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),
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def pytest_terminal_summary(terminalreporter):
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durations = terminalreporter.config.option.durations
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verbose = terminalreporter.config.getvalue("verbose")
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if durations is None:
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return
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tr = terminalreporter
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dlist = []
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for replist in tr.stats.values():
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for rep in replist:
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if hasattr(rep, "duration"):
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dlist.append(rep)
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if not dlist:
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return
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dlist.sort(key=lambda x: x.duration)
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dlist.reverse()
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if not durations:
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tr.write_sep("=", "slowest test durations")
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else:
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tr.write_sep("=", "slowest %s test durations" % durations)
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dlist = dlist[:durations]
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for rep in dlist:
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if verbose < 2 and rep.duration < 0.005:
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tr.write_line("")
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tr.write_line("(0.00 durations hidden. Use -vv to show these durations.)")
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break
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tr.write_line("%02.2fs %-8s %s" % (rep.duration, rep.when, rep.nodeid))
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def pytest_sessionstart(session):
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session._setupstate = SetupState()
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def pytest_sessionfinish(session):
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session._setupstate.teardown_all()
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def pytest_runtest_protocol(item, nextitem):
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item.ihook.pytest_runtest_logstart(nodeid=item.nodeid, location=item.location)
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runtestprotocol(item, nextitem=nextitem)
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item.ihook.pytest_runtest_logfinish(nodeid=item.nodeid, location=item.location)
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return True
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def runtestprotocol(item, log=True, nextitem=None):
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hasrequest = hasattr(item, "_request")
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if hasrequest and not item._request:
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item._initrequest()
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rep = call_and_report(item, "setup", log)
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reports = [rep]
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if rep.passed:
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if item.config.getoption("setupshow", False):
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show_test_item(item)
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if not item.config.getoption("setuponly", False):
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reports.append(call_and_report(item, "call", log))
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reports.append(call_and_report(item, "teardown", log, nextitem=nextitem))
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# after all teardown hooks have been called
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# want funcargs and request info to go away
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if hasrequest:
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item._request = False
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item.funcargs = None
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return reports
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def show_test_item(item):
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"""Show test function, parameters and the fixtures of the test item."""
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tw = item.config.get_terminal_writer()
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tw.line()
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tw.write(" " * 8)
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tw.write(item._nodeid)
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used_fixtures = sorted(item._fixtureinfo.name2fixturedefs.keys())
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if used_fixtures:
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tw.write(" (fixtures used: {})".format(", ".join(used_fixtures)))
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def pytest_runtest_setup(item):
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_update_current_test_var(item, "setup")
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item.session._setupstate.prepare(item)
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def pytest_runtest_call(item):
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_update_current_test_var(item, "call")
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sys.last_type, sys.last_value, sys.last_traceback = (None, None, None)
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try:
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item.runtest()
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except Exception:
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# Store trace info to allow postmortem debugging
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type, value, tb = sys.exc_info()
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tb = tb.tb_next # Skip *this* frame
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sys.last_type = type
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sys.last_value = value
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sys.last_traceback = tb
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del type, value, tb # Get rid of these in this frame
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raise
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def pytest_runtest_teardown(item, nextitem):
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_update_current_test_var(item, "teardown")
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item.session._setupstate.teardown_exact(item, nextitem)
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_update_current_test_var(item, None)
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def _update_current_test_var(item, when):
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"""
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Update PYTEST_CURRENT_TEST to reflect the current item and stage.
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If ``when`` is None, delete PYTEST_CURRENT_TEST from the environment.
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"""
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var_name = "PYTEST_CURRENT_TEST"
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if when:
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value = "{} ({})".format(item.nodeid, when)
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# don't allow null bytes on environment variables (see #2644, #2957)
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value = value.replace("\x00", "(null)")
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os.environ[var_name] = value
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else:
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os.environ.pop(var_name)
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def pytest_report_teststatus(report):
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if report.when in ("setup", "teardown"):
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if report.failed:
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# category, shortletter, verbose-word
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return "error", "E", "ERROR"
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elif report.skipped:
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return "skipped", "s", "SKIPPED"
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else:
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return "", "", ""
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#
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# Implementation
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def call_and_report(item, when, log=True, **kwds):
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call = call_runtest_hook(item, when, **kwds)
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hook = item.ihook
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report = hook.pytest_runtest_makereport(item=item, call=call)
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if log:
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hook.pytest_runtest_logreport(report=report)
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if check_interactive_exception(call, report):
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hook.pytest_exception_interact(node=item, call=call, report=report)
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return report
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def check_interactive_exception(call, report):
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return call.excinfo and not (
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hasattr(report, "wasxfail")
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or call.excinfo.errisinstance(skip.Exception)
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or call.excinfo.errisinstance(bdb.BdbQuit)
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)
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def call_runtest_hook(item, when, **kwds):
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hookname = "pytest_runtest_" + when
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ihook = getattr(item.ihook, hookname)
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reraise = (Exit,)
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if not item.config.getoption("usepdb", False):
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reraise += (KeyboardInterrupt,)
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return CallInfo.from_call(
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lambda: ihook(item=item, **kwds), when=when, reraise=reraise
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)
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@attr.s(repr=False)
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class CallInfo(object):
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""" Result/Exception info a function invocation. """
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_result = attr.ib()
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# Optional[ExceptionInfo]
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excinfo = attr.ib()
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start = attr.ib()
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stop = attr.ib()
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when = attr.ib()
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@property
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def result(self):
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if self.excinfo is not None:
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raise AttributeError("{!r} has no valid result".format(self))
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return self._result
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@classmethod
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def from_call(cls, func, when, reraise=None):
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#: context of invocation: one of "setup", "call",
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#: "teardown", "memocollect"
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start = time()
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excinfo = None
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try:
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result = func()
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except: # noqa
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excinfo = ExceptionInfo.from_current()
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if reraise is not None and excinfo.errisinstance(reraise):
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raise
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result = None
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stop = time()
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return cls(start=start, stop=stop, when=when, result=result, excinfo=excinfo)
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def __repr__(self):
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if self.excinfo is not None:
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status = "exception"
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value = self.excinfo.value
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else:
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# TODO: investigate unification
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value = repr(self._result)
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status = "result"
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return "<CallInfo when={when!r} {status}: {value}>".format(
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when=self.when, value=value, status=status
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)
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def pytest_runtest_makereport(item, call):
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return TestReport.from_item_and_call(item, call)
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def pytest_make_collect_report(collector):
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call = CallInfo.from_call(lambda: list(collector.collect()), "collect")
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longrepr = None
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if not call.excinfo:
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outcome = "passed"
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else:
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from _pytest import nose
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skip_exceptions = (Skipped,) + nose.get_skip_exceptions()
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if call.excinfo.errisinstance(skip_exceptions):
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outcome = "skipped"
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r = collector._repr_failure_py(call.excinfo, "line").reprcrash
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longrepr = (str(r.path), r.lineno, r.message)
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else:
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outcome = "failed"
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errorinfo = collector.repr_failure(call.excinfo)
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if not hasattr(errorinfo, "toterminal"):
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errorinfo = CollectErrorRepr(errorinfo)
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longrepr = errorinfo
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rep = CollectReport(
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collector.nodeid, outcome, longrepr, getattr(call, "result", None)
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)
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rep.call = call # see collect_one_node
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return rep
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class SetupState(object):
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""" shared state for setting up/tearing down test items or collectors. """
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def __init__(self):
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self.stack = []
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self._finalizers = {}
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def addfinalizer(self, finalizer, colitem):
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""" attach a finalizer to the given colitem.
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if colitem is None, this will add a finalizer that
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is called at the end of teardown_all().
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"""
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assert colitem and not isinstance(colitem, tuple)
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assert callable(finalizer)
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# assert colitem in self.stack # some unit tests don't setup stack :/
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self._finalizers.setdefault(colitem, []).append(finalizer)
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def _pop_and_teardown(self):
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colitem = self.stack.pop()
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self._teardown_with_finalization(colitem)
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def _callfinalizers(self, colitem):
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finalizers = self._finalizers.pop(colitem, None)
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exc = None
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while finalizers:
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fin = finalizers.pop()
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try:
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fin()
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except TEST_OUTCOME:
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# XXX Only first exception will be seen by user,
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# ideally all should be reported.
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if exc is None:
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exc = sys.exc_info()
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if exc:
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six.reraise(*exc)
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def _teardown_with_finalization(self, colitem):
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self._callfinalizers(colitem)
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if hasattr(colitem, "teardown"):
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colitem.teardown()
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for colitem in self._finalizers:
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assert (
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colitem is None or colitem in self.stack or isinstance(colitem, tuple)
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)
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def teardown_all(self):
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while self.stack:
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self._pop_and_teardown()
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for key in list(self._finalizers):
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self._teardown_with_finalization(key)
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assert not self._finalizers
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def teardown_exact(self, item, nextitem):
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needed_collectors = nextitem and nextitem.listchain() or []
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self._teardown_towards(needed_collectors)
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def _teardown_towards(self, needed_collectors):
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exc = None
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while self.stack:
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if self.stack == needed_collectors[: len(self.stack)]:
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break
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try:
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self._pop_and_teardown()
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except TEST_OUTCOME:
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# XXX Only first exception will be seen by user,
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# ideally all should be reported.
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if exc is None:
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exc = sys.exc_info()
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if exc:
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six.reraise(*exc)
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def prepare(self, colitem):
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""" setup objects along the collector chain to the test-method
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and teardown previously setup objects."""
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needed_collectors = colitem.listchain()
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self._teardown_towards(needed_collectors)
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# check if the last collection node has raised an error
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for col in self.stack:
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if hasattr(col, "_prepare_exc"):
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six.reraise(*col._prepare_exc)
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for col in needed_collectors[len(self.stack) :]:
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self.stack.append(col)
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try:
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col.setup()
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except TEST_OUTCOME:
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col._prepare_exc = sys.exc_info()
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raise
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def collect_one_node(collector):
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ihook = collector.ihook
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ihook.pytest_collectstart(collector=collector)
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rep = ihook.pytest_make_collect_report(collector=collector)
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call = rep.__dict__.pop("call", None)
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if call and check_interactive_exception(call, rep):
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ihook.pytest_exception_interact(node=collector, call=call, report=rep)
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return rep
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