v8/test/webkit/testcfg.py

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# Copyright 2013 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 itertools
import os
import re
from testrunner.local import testsuite
from testrunner.objects.testcase import TestCase
FILES_PATTERN = re.compile(r"//\s+Files:(.*)")
SELF_SCRIPT_PATTERN = re.compile(r"//\s+Env: TEST_FILE_NAME")
# TODO (machenbach): Share commonalities with mjstest.
class WebkitTestSuite(testsuite.TestSuite):
def ListTests(self, context):
tests = []
for dirname, dirs, files in os.walk(self.root):
for dotted in [x for x in dirs if x.startswith('.')]:
dirs.remove(dotted)
if 'resources' in dirs:
dirs.remove('resources')
dirs.sort()
files.sort()
for filename in files:
if filename.endswith(".js"):
fullpath = os.path.join(dirname, filename)
relpath = fullpath[len(self.root) + 1 : -3]
testname = relpath.replace(os.path.sep, "/")
test = self._create_test(testname)
tests.append(test)
return tests
def _test_class(self):
return WebkitTestCase
# TODO(machenbach): Share with test/message/testcfg.py
def _IgnoreLine(self, string):
"""Ignore empty lines, valgrind output, Android output and trace
incremental marking output."""
if not string: return True
return (string.startswith("==") or string.startswith("**") or
string.startswith("ANDROID") or "[IncrementalMarking]" in string or
# FIXME(machenbach): The test driver shouldn't try to use slow
# asserts if they weren't compiled. This fails in optdebug=2.
string == "Warning: unknown flag --enable-slow-asserts." or
string == "Try --help for options")
def IsFailureOutput(self, testcase):
if super(WebkitTestSuite, self).IsFailureOutput(testcase):
return True
file_name = os.path.join(self.root, testcase.path) + "-expected.txt"
with file(file_name, "r") as expected:
expected_lines = expected.readlines()
def ExpIterator():
for line in expected_lines:
if line.startswith("#") or not line.strip(): continue
yield line.strip()
def ActIterator(lines):
for line in lines:
if self._IgnoreLine(line.strip()): continue
yield line.strip()
def ActBlockIterator():
"""Iterates over blocks of actual output lines."""
lines = testcase.output.stdout.splitlines()
start_index = 0
found_eqeq = False
for index, line in enumerate(lines):
# If a stress test separator is found:
if line.startswith("=="):
# Iterate over all lines before a separator except the first.
if not found_eqeq:
found_eqeq = True
else:
yield ActIterator(lines[start_index:index])
# The next block of output lines starts after the separator.
start_index = index + 1
# Iterate over complete output if no separator was found.
if not found_eqeq:
yield ActIterator(lines)
for act_iterator in ActBlockIterator():
for (expected, actual) in itertools.izip_longest(
ExpIterator(), act_iterator, fillvalue=''):
if expected != actual:
return True
return False
class WebkitTestCase(TestCase):
def __init__(self, *args, **kwargs):
super(WebkitTestCase, self).__init__(*args, **kwargs)
# precomputed
self._source_files = None
self._source_flags = None
def precompute(self):
source = self.get_source()
self._source_files = self._parse_source_files(source)
self._source_flags = self._parse_source_flags(source)
def _copy(self):
copy = super(WebkitTestCase, self)._copy()
copy._source_files = self._source_files
copy._source_flags = self._source_flags
return copy
def _parse_source_files(self, source):
files_list = [] # List of file names to append to command arguments.
files_match = FILES_PATTERN.search(source);
# Accept several lines of 'Files:'.
while True:
if files_match:
files_list += files_match.group(1).strip().split()
files_match = FILES_PATTERN.search(source, files_match.end())
else:
break
files = [ os.path.normpath(os.path.join(self.suite.root, '..', '..', f))
for f in files_list ]
testfilename = os.path.join(self.suite.root, self.path + self._get_suffix())
if SELF_SCRIPT_PATTERN.search(source):
env = ["-e", "TEST_FILE_NAME=\"%s\"" % testfilename.replace("\\", "\\\\")]
files = env + files
files.append(os.path.join(self.suite.root, "resources/standalone-pre.js"))
files.append(testfilename)
files.append(os.path.join(self.suite.root, "resources/standalone-post.js"))
return files
def _get_files_params(self, ctx):
files = self._source_files
if ctx.isolates:
files = files + ['--isolate'] + files
return files
def _get_source_flags(self):
return self._source_flags
def _get_source_path(self):
return os.path.join(self.suite.root, self.path + self._get_suffix())
def GetSuite(name, root):
return WebkitTestSuite(name, root)