v8/tools/testrunner/local/testsuite.py
machenbach 4f02ff7ee5 [test] Make test runner more rubust on startup.
The test driver fails once in a while with no output when
listing the tests on windows, causing the testing to not
even start.

This should make that less likely if there's a flaky crash
when listing the tests.

BUG=v8:5438

Review-Url: https://codereview.chromium.org/2373043002
Cr-Commit-Position: refs/heads/master@{#39779}
2016-09-27 15:14:01 +00:00

367 lines
12 KiB
Python

# Copyright 2012 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import imp
import os
from . import commands
from . import statusfile
from . import utils
from ..objects import testcase
from variants import ALL_VARIANTS, ALL_VARIANT_FLAGS, FAST_VARIANT_FLAGS
FAST_VARIANTS = set(["default", "turbofan"])
STANDARD_VARIANT = set(["default"])
class VariantGenerator(object):
def __init__(self, suite, variants):
self.suite = suite
self.all_variants = ALL_VARIANTS & variants
self.fast_variants = FAST_VARIANTS & variants
self.standard_variant = STANDARD_VARIANT & variants
def FilterVariantsByTest(self, testcase):
result = self.all_variants
if testcase.outcomes:
if statusfile.OnlyStandardVariant(testcase.outcomes):
return self.standard_variant
if statusfile.OnlyFastVariants(testcase.outcomes):
result = self.fast_variants
return result
def GetFlagSets(self, testcase, variant):
if testcase.outcomes and statusfile.OnlyFastVariants(testcase.outcomes):
return FAST_VARIANT_FLAGS[variant]
else:
return ALL_VARIANT_FLAGS[variant]
class TestSuite(object):
@staticmethod
def LoadTestSuite(root, global_init=True):
name = root.split(os.path.sep)[-1]
f = None
try:
(f, pathname, description) = imp.find_module("testcfg", [root])
module = imp.load_module("testcfg", f, pathname, description)
return module.GetSuite(name, root)
except ImportError:
# Use default if no testcfg is present.
return GoogleTestSuite(name, root)
finally:
if f:
f.close()
def __init__(self, name, root):
# Note: This might be called concurrently from different processes.
self.name = name # string
self.root = root # string containing path
self.tests = None # list of TestCase objects
self.rules = None # dictionary mapping test path to list of outcomes
self.wildcards = None # dictionary mapping test paths to list of outcomes
self.total_duration = None # float, assigned on demand
def shell(self):
return "d8"
def suffix(self):
return ".js"
def status_file(self):
return "%s/%s.status" % (self.root, self.name)
# Used in the status file and for stdout printing.
def CommonTestName(self, testcase):
if utils.IsWindows():
return testcase.path.replace("\\", "/")
else:
return testcase.path
def ListTests(self, context):
raise NotImplementedError
def _VariantGeneratorFactory(self):
"""The variant generator class to be used."""
return VariantGenerator
def CreateVariantGenerator(self, variants):
"""Return a generator for the testing variants of this suite.
Args:
variants: List of variant names to be run as specified by the test
runner.
Returns: An object of type VariantGenerator.
"""
return self._VariantGeneratorFactory()(self, set(variants))
def PrepareSources(self):
"""Called once before multiprocessing for doing file-system operations.
This should not access the network. For network access use the method
below.
"""
pass
def DownloadData(self):
pass
def ReadStatusFile(self, variables):
with open(self.status_file()) as f:
self.rules, self.wildcards = (
statusfile.ReadStatusFile(f.read(), variables))
def ReadTestCases(self, context):
self.tests = self.ListTests(context)
@staticmethod
def _FilterSlow(slow, mode):
return (mode == "run" and not slow) or (mode == "skip" and slow)
@staticmethod
def _FilterPassFail(pass_fail, mode):
return (mode == "run" and not pass_fail) or (mode == "skip" and pass_fail)
def FilterTestCasesByStatus(self, warn_unused_rules,
slow_tests="dontcare",
pass_fail_tests="dontcare",
variants=False):
# Use only variants-dependent rules and wildcards when filtering
# respective test cases and generic rules when filtering generic test
# cases.
if not variants:
rules = self.rules[""]
wildcards = self.wildcards[""]
else:
# We set rules and wildcards to a variant-specific version for each test
# below.
rules = {}
wildcards = {}
filtered = []
# Remember used rules as tuples of (rule, variant), where variant is "" for
# variant-independent rules.
used_rules = set()
for t in self.tests:
slow = False
pass_fail = False
testname = self.CommonTestName(t)
variant = t.variant or ""
if variants:
rules = self.rules[variant]
wildcards = self.wildcards[variant]
if testname in rules:
used_rules.add((testname, variant))
# Even for skipped tests, as the TestCase object stays around and
# PrintReport() uses it.
t.outcomes = t.outcomes | rules[testname]
if statusfile.DoSkip(t.outcomes):
continue # Don't add skipped tests to |filtered|.
for outcome in t.outcomes:
if outcome.startswith('Flags: '):
t.flags += outcome[7:].split()
slow = statusfile.IsSlow(t.outcomes)
pass_fail = statusfile.IsPassOrFail(t.outcomes)
skip = False
for rule in wildcards:
assert rule[-1] == '*'
if testname.startswith(rule[:-1]):
used_rules.add((rule, variant))
t.outcomes = t.outcomes | wildcards[rule]
if statusfile.DoSkip(t.outcomes):
skip = True
break # "for rule in wildcards"
slow = slow or statusfile.IsSlow(t.outcomes)
pass_fail = pass_fail or statusfile.IsPassOrFail(t.outcomes)
if (skip
or self._FilterSlow(slow, slow_tests)
or self._FilterPassFail(pass_fail, pass_fail_tests)):
continue # "for t in self.tests"
filtered.append(t)
self.tests = filtered
if not warn_unused_rules:
return
if not variants:
for rule in self.rules[""]:
if (rule, "") not in used_rules:
print("Unused rule: %s -> %s (variant independent)" % (
rule, self.rules[""][rule]))
for rule in self.wildcards[""]:
if (rule, "") not in used_rules:
print("Unused rule: %s -> %s (variant independent)" % (
rule, self.wildcards[""][rule]))
else:
for variant in ALL_VARIANTS:
for rule in self.rules[variant]:
if (rule, variant) not in used_rules:
print("Unused rule: %s -> %s (variant: %s)" % (
rule, self.rules[variant][rule], variant))
for rule in self.wildcards[variant]:
if (rule, variant) not in used_rules:
print("Unused rule: %s -> %s (variant: %s)" % (
rule, self.wildcards[variant][rule], variant))
def FilterTestCasesByArgs(self, args):
"""Filter test cases based on command-line arguments.
An argument with an asterisk in the end will match all test cases
that have the argument as a prefix. Without asterisk, only exact matches
will be used with the exeption of the test-suite name as argument.
"""
filtered = []
globs = []
exact_matches = []
for a in args:
argpath = a.split('/')
if argpath[0] != self.name:
continue
if len(argpath) == 1 or (len(argpath) == 2 and argpath[1] == '*'):
return # Don't filter, run all tests in this suite.
path = '/'.join(argpath[1:])
if path[-1] == '*':
path = path[:-1]
globs.append(path)
else:
exact_matches.append(path)
for t in self.tests:
for a in globs:
if t.path.startswith(a):
filtered.append(t)
break
for a in exact_matches:
if t.path == a:
filtered.append(t)
break
self.tests = filtered
def GetFlagsForTestCase(self, testcase, context):
raise NotImplementedError
def GetSourceForTest(self, testcase):
return "(no source available)"
def IsFailureOutput(self, testcase):
return testcase.output.exit_code != 0
def IsNegativeTest(self, testcase):
return False
def HasFailed(self, testcase):
execution_failed = self.IsFailureOutput(testcase)
if self.IsNegativeTest(testcase):
return not execution_failed
else:
return execution_failed
def GetOutcome(self, testcase):
if testcase.output.HasCrashed():
return statusfile.CRASH
elif testcase.output.HasTimedOut():
return statusfile.TIMEOUT
elif self.HasFailed(testcase):
return statusfile.FAIL
else:
return statusfile.PASS
def HasUnexpectedOutput(self, testcase):
outcome = self.GetOutcome(testcase)
return not outcome in (testcase.outcomes or [statusfile.PASS])
def StripOutputForTransmit(self, testcase):
if not self.HasUnexpectedOutput(testcase):
testcase.output.stdout = ""
testcase.output.stderr = ""
def CalculateTotalDuration(self):
self.total_duration = 0.0
for t in self.tests:
self.total_duration += t.duration
return self.total_duration
class StandardVariantGenerator(VariantGenerator):
def FilterVariantsByTest(self, testcase):
return self.standard_variant
class GoogleTestSuite(TestSuite):
def __init__(self, name, root):
super(GoogleTestSuite, self).__init__(name, root)
def ListTests(self, context):
shell = os.path.abspath(os.path.join(context.shell_dir, self.shell()))
if utils.IsWindows():
shell += ".exe"
output = None
for i in xrange(3): # Try 3 times in case of errors.
output = commands.Execute(context.command_prefix +
[shell, "--gtest_list_tests"] +
context.extra_flags)
if output.exit_code == 0:
break
print "Test executable failed to list the tests (try %d).\n\nStdout:" % i
print output.stdout
print "\nStderr:"
print output.stderr
print "\nExit code: %d" % output.exit_code
else:
raise Exception("Test executable failed to list the tests.")
tests = []
test_case = ''
for line in output.stdout.splitlines():
test_desc = line.strip().split()[0]
if test_desc.endswith('.'):
test_case = test_desc
elif test_case and test_desc:
test = testcase.TestCase(self, test_case + test_desc)
tests.append(test)
tests.sort(key=lambda t: t.path)
return tests
def GetFlagsForTestCase(self, testcase, context):
return (testcase.flags + ["--gtest_filter=" + testcase.path] +
["--gtest_random_seed=%s" % context.random_seed] +
["--gtest_print_time=0"] +
context.mode_flags)
def _VariantGeneratorFactory(self):
return StandardVariantGenerator
def shell(self):
return self.name