CSE2410 Fall 2014 Bounce

# Copyright 2008 the V8 project authors. All rights reserved.

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import itertools

import os

import re

from testrunner.local import testsuite

from testrunner.local import utils

from testrunner.objects import testcase

FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")

INVALID_FLAGS = ["--enable-slow-asserts"]

class MessageTestSuite(testsuite.TestSuite):

  def __init__(self, name, root):

    super(MessageTestSuite, self).__init__(name, root)

  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)

      dirs.sort()

      files.sort()

      for filename in files:

        if filename.endswith(".js"):

          testname = os.path.join(dirname[len(self.root) + 1:], filename[:-3])

          test = testcase.TestCase(self, testname)

          tests.append(test)

    return tests

  def GetFlagsForTestCase(self, testcase, context):

    source = self.GetSourceForTest(testcase)

    result = []

    flags_match = re.findall(FLAGS_PATTERN, source)

    for match in flags_match:

      result += match.strip().split()

    result += context.mode_flags

    result = [x for x in result if x not in INVALID_FLAGS]

    result.append(os.path.join(self.root, testcase.path + ".js"))

    return testcase.flags + result

  def GetSourceForTest(self, testcase):

    filename = os.path.join(self.root, testcase.path + self.suffix())

    with open(filename) as f:

      return f.read()

  def _IgnoreLine(self, string):

    """Ignore empty lines, valgrind output and Android output."""

    if not string: return True

    return (string.startswith("==") or string.startswith("**") or

            string.startswith("ANDROID") or

            # These five patterns appear in normal Native Client output.

            string.startswith("DEBUG MODE ENABLED") or

            string.startswith("tools/nacl-run.py") or

            string.find("BYPASSING ALL ACL CHECKS") > 0 or

            string.find("Native Client module will be loaded") > 0 or

            string.find("NaClHostDescOpen:") > 0)

  def IsFailureOutput(self, output, testpath):

    expected_path = os.path.join(self.root, testpath + ".out")

    expected_lines = []

    # Can't use utils.ReadLinesFrom() here because it strips whitespace.

    with open(expected_path) as f:

      for line in f:

        if line.startswith("#") or not line.strip(): continue

        expected_lines.append(line)

    raw_lines = output.stdout.splitlines()

    actual_lines = [ s for s in raw_lines if not self._IgnoreLine(s) ]

    env = { "basename": os.path.basename(testpath + ".js") }

    if len(expected_lines) != len(actual_lines):

      return True

    for (expected, actual) in itertools.izip_longest(

        expected_lines, actual_lines, fillvalue=''):

      pattern = re.escape(expected.rstrip() % env)

      pattern = pattern.replace("\\*", ".*")

      pattern = "^%s$" % pattern

      if not re.match(pattern, actual):

        return True

    return False

  def StripOutputForTransmit(self, testcase):

    pass

def GetSuite(name, root):

  return MessageTestSuite(name, root)