fbe973ff17
This should prevent bugs caused by missing super calls in overridden methods. The assumption is that methods of different indicators are independent. Review URL: https://codereview.chromium.org/1171943002 Cr-Commit-Position: refs/heads/master@{#28866}
297 lines
11 KiB
Python
297 lines
11 KiB
Python
# Copyright 2012 the V8 project authors. All rights reserved.
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import os
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import shutil
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import sys
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import time
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from pool import Pool
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from . import commands
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from . import perfdata
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from . import statusfile
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from . import utils
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class Job(object):
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def __init__(self, command, dep_command, test_id, timeout, verbose):
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self.command = command
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self.dep_command = dep_command
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self.id = test_id
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self.timeout = timeout
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self.verbose = verbose
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def RunTest(job):
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start_time = time.time()
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if job.dep_command is not None:
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dep_output = commands.Execute(job.dep_command, job.verbose, job.timeout)
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# TODO(jkummerow): We approximate the test suite specific function
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# IsFailureOutput() by just checking the exit code here. Currently
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# only cctests define dependencies, for which this simplification is
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# correct.
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if dep_output.exit_code != 0:
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return (job.id, dep_output, time.time() - start_time)
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output = commands.Execute(job.command, job.verbose, job.timeout)
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return (job.id, output, time.time() - start_time)
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class Runner(object):
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def __init__(self, suites, progress_indicator, context):
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self.datapath = os.path.join("out", "testrunner_data")
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self.perf_data_manager = perfdata.PerfDataManager(self.datapath)
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self.perfdata = self.perf_data_manager.GetStore(context.arch, context.mode)
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self.perf_failures = False
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self.printed_allocations = False
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self.tests = [ t for s in suites for t in s.tests ]
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if not context.no_sorting:
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for t in self.tests:
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t.duration = self.perfdata.FetchPerfData(t) or 1.0
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self.tests.sort(key=lambda t: t.duration, reverse=True)
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self._CommonInit(suites, progress_indicator, context)
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def _CommonInit(self, suites, progress_indicator, context):
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self.total = 0
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for s in suites:
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for t in s.tests:
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t.id = self.total
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self.total += 1
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self.indicator = progress_indicator
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progress_indicator.SetRunner(self)
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self.context = context
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self.succeeded = 0
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self.remaining = self.total
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self.failed = []
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self.crashed = 0
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self.reran_tests = 0
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def _RunPerfSafe(self, fun):
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try:
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fun()
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except Exception, e:
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print("PerfData exception: %s" % e)
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self.perf_failures = True
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def _GetJob(self, test):
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command = self.GetCommand(test)
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timeout = self.context.timeout
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if ("--stress-opt" in test.flags or
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"--stress-opt" in self.context.mode_flags or
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"--stress-opt" in self.context.extra_flags):
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timeout *= 4
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# FIXME(machenbach): Make this more OO. Don't expose default outcomes or
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# the like.
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if statusfile.IsSlow(test.outcomes or [statusfile.PASS]):
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timeout *= 2
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if test.dependency is not None:
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dep_command = [ c.replace(test.path, test.dependency) for c in command ]
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else:
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dep_command = None
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return Job(command, dep_command, test.id, timeout, self.context.verbose)
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def _MaybeRerun(self, pool, test):
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if test.run <= self.context.rerun_failures_count:
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# Possibly rerun this test if its run count is below the maximum per
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# test. <= as the flag controls reruns not including the first run.
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if test.run == 1:
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# Count the overall number of reran tests on the first rerun.
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if self.reran_tests < self.context.rerun_failures_max:
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self.reran_tests += 1
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else:
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# Don't rerun this if the overall number of rerun tests has been
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# reached.
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return
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if test.run >= 2 and test.duration > self.context.timeout / 20.0:
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# Rerun slow tests at most once.
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return
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# Rerun this test.
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test.duration = None
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test.output = None
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test.run += 1
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pool.add([self._GetJob(test)])
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self.remaining += 1
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self.total += 1
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def _ProcessTestNormal(self, test, result, pool):
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self.indicator.AboutToRun(test)
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test.output = result[1]
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test.duration = result[2]
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has_unexpected_output = test.suite.HasUnexpectedOutput(test)
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if has_unexpected_output:
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self.failed.append(test)
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if test.output.HasCrashed():
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self.crashed += 1
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else:
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self.succeeded += 1
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self.remaining -= 1
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# For the indicator, everything that happens after the first run is treated
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# as unexpected even if it flakily passes in order to include it in the
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# output.
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self.indicator.HasRun(test, has_unexpected_output or test.run > 1)
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if has_unexpected_output:
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# Rerun test failures after the indicator has processed the results.
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self._VerbosePrint("Attempting to rerun test after failure.")
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self._MaybeRerun(pool, test)
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# Update the perf database if the test succeeded.
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return not has_unexpected_output
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def _ProcessTestPredictable(self, test, result, pool):
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def HasDifferentAllocations(output1, output2):
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def AllocationStr(stdout):
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for line in reversed((stdout or "").splitlines()):
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if line.startswith("### Allocations = "):
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self.printed_allocations = True
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return line
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return ""
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return (AllocationStr(output1.stdout) != AllocationStr(output2.stdout))
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# Always pass the test duration for the database update.
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test.duration = result[2]
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if test.run == 1 and result[1].HasTimedOut():
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# If we get a timeout in the first run, we are already in an
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# unpredictable state. Just report it as a failure and don't rerun.
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self.indicator.AboutToRun(test)
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test.output = result[1]
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self.remaining -= 1
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self.failed.append(test)
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self.indicator.HasRun(test, True)
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if test.run > 1 and HasDifferentAllocations(test.output, result[1]):
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# From the second run on, check for different allocations. If a
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# difference is found, call the indicator twice to report both tests.
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# All runs of each test are counted as one for the statistic.
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self.indicator.AboutToRun(test)
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self.remaining -= 1
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self.failed.append(test)
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self.indicator.HasRun(test, True)
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self.indicator.AboutToRun(test)
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test.output = result[1]
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self.indicator.HasRun(test, True)
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elif test.run >= 3:
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# No difference on the third run -> report a success.
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self.indicator.AboutToRun(test)
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self.remaining -= 1
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self.succeeded += 1
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test.output = result[1]
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self.indicator.HasRun(test, False)
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else:
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# No difference yet and less than three runs -> add another run and
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# remember the output for comparison.
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test.run += 1
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test.output = result[1]
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pool.add([self._GetJob(test)])
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# Always update the perf database.
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return True
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def Run(self, jobs):
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self.indicator.Starting()
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self._RunInternal(jobs)
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self.indicator.Done()
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if self.failed or self.remaining:
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return 1
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return 0
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def _RunInternal(self, jobs):
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pool = Pool(jobs)
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test_map = {}
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# TODO(machenbach): Instead of filling the queue completely before
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# pool.imap_unordered, make this a generator that already starts testing
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# while the queue is filled.
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queue = []
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queued_exception = None
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for test in self.tests:
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assert test.id >= 0
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test_map[test.id] = test
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try:
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queue.append([self._GetJob(test)])
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except Exception, e:
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# If this failed, save the exception and re-raise it later (after
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# all other tests have had a chance to run).
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queued_exception = e
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continue
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try:
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it = pool.imap_unordered(RunTest, queue)
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for result in it:
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if result.heartbeat:
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self.indicator.Heartbeat()
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continue
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test = test_map[result.value[0]]
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if self.context.predictable:
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update_perf = self._ProcessTestPredictable(test, result.value, pool)
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else:
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update_perf = self._ProcessTestNormal(test, result.value, pool)
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if update_perf:
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self._RunPerfSafe(lambda: self.perfdata.UpdatePerfData(test))
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finally:
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self._VerbosePrint("Closing process pool.")
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pool.terminate()
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self._VerbosePrint("Closing database connection.")
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self._RunPerfSafe(lambda: self.perf_data_manager.close())
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if self.perf_failures:
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# Nuke perf data in case of failures. This might not work on windows as
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# some files might still be open.
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print "Deleting perf test data due to db corruption."
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shutil.rmtree(self.datapath)
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if queued_exception:
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raise queued_exception
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# Make sure that any allocations were printed in predictable mode (if we
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# ran any tests).
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assert (
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not self.total or
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not self.context.predictable or
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self.printed_allocations
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)
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def _VerbosePrint(self, text):
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if self.context.verbose:
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print text
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sys.stdout.flush()
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def GetCommand(self, test):
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d8testflag = []
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shell = test.suite.shell()
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if shell == "d8":
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d8testflag = ["--test"]
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if utils.IsWindows():
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shell += ".exe"
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cmd = (self.context.command_prefix +
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[os.path.abspath(os.path.join(self.context.shell_dir, shell))] +
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d8testflag +
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["--random-seed=%s" % self.context.random_seed] +
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test.suite.GetFlagsForTestCase(test, self.context) +
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self.context.extra_flags)
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return cmd
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class BreakNowException(Exception):
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def __init__(self, value):
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self.value = value
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def __str__(self):
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return repr(self.value)
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