test_ok1/py/test/rsession/executor.py

136 lines
4.5 KiB
Python

""" Remote executor
"""
import py, os, sys
from py.__.test.rsession.outcome import Outcome, ReprOutcome
from py.__.test.rsession.box import Box
from py.__.test.rsession import repevent
from py.__.test.outcome import Skipped, Failed
class RunExecutor(object):
""" Same as in executor, but just running run
"""
wraps = False
def __init__(self, item, usepdb=False, reporter=None, config=None):
self.item = item
self.usepdb = usepdb
self.reporter = reporter
self.config = config
assert self.config
def run(self, capture=True):
if capture:
self.item.startcapture()
try:
self.item.run()
finally:
self.item.finishcapture()
else:
self.item.run()
def execute(self, capture=True):
try:
self.run(capture)
outcome = Outcome()
except Skipped, e:
outcome = Outcome(skipped=str(e))
except (SystemExit, KeyboardInterrupt):
raise
except:
e = sys.exc_info()[1]
if isinstance(e, Failed) and e.excinfo:
excinfo = e.excinfo
else:
excinfo = py.code.ExceptionInfo()
if isinstance(self.item, py.test.collect.Function):
fun = self.item.obj # hope this is stable
code = py.code.Code(fun)
excinfo.traceback = excinfo.traceback.cut(
path=code.path, firstlineno=code.firstlineno)
outcome = Outcome(excinfo=excinfo, setupfailure=False)
if self.usepdb:
if self.reporter is not None:
self.reporter(repevent.ImmediateFailure(self.item,
ReprOutcome(outcome.make_repr
(self.config.option.tbstyle))))
import pdb
pdb.post_mortem(excinfo._excinfo[2])
# XXX hmm, we probably will not like to continue from that
# point
raise SystemExit()
outcome.stdout, outcome.stderr = self.item._getouterr()
return outcome
class ApigenExecutor(RunExecutor):
""" Same as RunExecutor, but takes tracer to trace calls as
an argument to execute
"""
def execute(self, tracer):
self.tracer = tracer
return super(ApigenExecutor, self).execute()
def wrap_underlaying(self, target, *args):
try:
self.tracer.start_tracing()
return target(*args)
finally:
self.tracer.end_tracing()
def run(self, capture):
""" We want to trace *only* function objects here. Unsure
what to do with custom collectors at all
"""
if hasattr(self.item, 'obj') and type(self.item) is py.test.collect.Function:
self.item.execute = self.wrap_underlaying
self.item.run()
class BoxExecutor(RunExecutor):
""" Same as RunExecutor, but boxes test instead
"""
wraps = True
def execute(self):
def fun():
outcome = RunExecutor.execute(self, False)
return outcome.make_repr(self.config.option.tbstyle)
b = Box(fun, config=self.config)
pid = b.run()
assert pid
if b.retval is not None:
passed, setupfailure, excinfo, skipped, critical, _, _, _\
= b.retval
return (passed, setupfailure, excinfo, skipped, critical, 0,
b.stdoutrepr, b.stderrrepr)
else:
return (False, False, None, False, False, b.signal,
b.stdoutrepr, b.stderrrepr)
class AsyncExecutor(RunExecutor):
""" same as box executor, but instead it returns function to continue
computations (more async mode)
"""
wraps = True
def execute(self):
def fun():
outcome = RunExecutor.execute(self, False)
return outcome.make_repr(self.config.option.tbstyle)
b = Box(fun, config=self.config)
parent, pid = b.run(continuation=True)
def cont(waiter=os.waitpid):
parent(pid, waiter=waiter)
if b.retval is not None:
passed, setupfailure, excinfo, skipped,\
critical, _, _, _ = b.retval
return (passed, setupfailure, excinfo, skipped, critical, 0,
b.stdoutrepr, b.stderrrepr)
else:
return (False, False, None, False, False,
b.signal, b.stdoutrepr, b.stderrrepr)
return cont, pid