124 lines
3.7 KiB
Python
124 lines
3.7 KiB
Python
"""
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internal classes for
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* executing test items
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* running collectors
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* and generating report events about it
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"""
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import py, os, sys
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from py.__.test import event
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from py.__.test.outcome import Exit
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from py.__.test.dist.mypickle import ImmutablePickler
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class RobustRun(object):
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""" a robust setup/execute/teardown protocol used both for test collectors
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and test items.
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"""
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def __init__(self, colitem, pdb=None):
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self.colitem = colitem
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self.getcapture = colitem.config._getcapture
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self.pdb = pdb
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def __repr__(self):
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return "<%s colitem=%s>" %(self.__class__.__name__, self.colitem)
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class ItemRunner(RobustRun):
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def run(self):
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""" return result of running setup, execution, teardown procedures. """
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excinfo = None
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capture = self.getcapture()
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try:
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try:
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when = "setup"
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self.colitem.config._setupstate.prepare(self.colitem)
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try:
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when = "execute"
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res = self.colitem.runtest()
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finally:
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when = "teardown"
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self.colitem.config._setupstate.teardown_exact(self.colitem)
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when = "execute"
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finally:
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outerr = capture.reset()
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except (Exit, KeyboardInterrupt):
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raise
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except:
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excinfo = py.code.ExceptionInfo()
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return self.makereport(when, excinfo, outerr)
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def makereport(self, when, excinfo, outerr):
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testrep = self.colitem.config.pytestplugins.call_firstresult(
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"pytest_item_makereport", item=self.colitem,
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excinfo=excinfo, when=when, outerr=outerr)
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if self.pdb and testrep.failed:
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tw = py.io.TerminalWriter()
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testrep.toterminal(tw)
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self.pdb(excinfo)
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return testrep
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class CollectorRunner(RobustRun):
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def run(self):
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""" return result of running setup, execution, teardown procedures. """
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excinfo = None
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res = NORESULT
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capture = self.getcapture()
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try:
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try:
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res = self.colitem._memocollect()
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finally:
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outerr = capture.reset()
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except (Exit, KeyboardInterrupt):
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raise
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except:
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excinfo = py.code.ExceptionInfo()
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return self.makereport(res, "execute", excinfo, outerr)
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def makereport(self, res, when, excinfo, outerr):
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return event.CollectionReport(self.colitem, res, excinfo, when, outerr)
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NORESULT = object()
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#
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# public entrypoints / objects
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#
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def basic_collect_report(item):
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return CollectorRunner(item).run()
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def basic_run_report(item, pdb=None):
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return ItemRunner(item, pdb=pdb).run()
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from cPickle import Pickler, Unpickler
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from cStringIO import StringIO
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def forked_run_report(item, pdb=None):
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EXITSTATUS_TESTEXIT = 4
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ipickle = ImmutablePickler(uneven=0)
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ipickle.selfmemoize(item.config)
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def runforked():
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try:
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testrep = basic_run_report(item)
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except (KeyboardInterrupt, Exit):
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os._exit(EXITSTATUS_TESTEXIT)
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return ipickle.dumps(testrep)
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ff = py.process.ForkedFunc(runforked)
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result = ff.waitfinish()
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if result.retval is not None:
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return ipickle.loads(result.retval)
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else:
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if result.exitstatus == EXITSTATUS_TESTEXIT:
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raise Exit("forked test item %s raised Exit" %(item,))
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return report_process_crash(item, result)
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def report_process_crash(item, result):
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path, lineno = item.getfslineno()
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longrepr = [
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("X", "CRASHED"),
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("%s:%s: CRASHED with signal %d" %(path, lineno, result.signal)),
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]
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return event.ItemTestReport(item, excinfo=longrepr, when="???")
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