1# Copyright 2008 the V8 project authors. All rights reserved.
2# Redistribution and use in source and binary forms, with or without
3# modification, are permitted provided that the following conditions are
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8#     * Redistributions in binary form must reproduce the above
9#       copyright notice, this list of conditions and the following
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15#
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27
28import itertools
29import os
30import re
31
32from testrunner.local import testsuite
33from testrunner.local import utils
34from testrunner.objects import testcase
35
36
37FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")
38INVALID_FLAGS = ["--enable-slow-asserts"]
39MODULE_PATTERN = re.compile(r"^// MODULE$", flags=re.MULTILINE)
40
41
42class MessageTestSuite(testsuite.TestSuite):
43  def __init__(self, name, root):
44    super(MessageTestSuite, self).__init__(name, root)
45
46  def ListTests(self, context):
47    tests = []
48    for dirname, dirs, files in os.walk(self.root):
49      for dotted in [x for x in dirs if x.startswith('.')]:
50        dirs.remove(dotted)
51      dirs.sort()
52      files.sort()
53      for filename in files:
54        if filename.endswith(".js"):
55          fullpath = os.path.join(dirname, filename)
56          relpath = fullpath[len(self.root) + 1 : -3]
57          testname = relpath.replace(os.path.sep, "/")
58          test = testcase.TestCase(self, testname)
59          tests.append(test)
60    return tests
61
62  def CreateVariantGenerator(self, variants):
63    return super(MessageTestSuite, self).CreateVariantGenerator(
64        variants + ["preparser"])
65
66  def GetFlagsForTestCase(self, testcase, context):
67    source = self.GetSourceForTest(testcase)
68    result = []
69    flags_match = re.findall(FLAGS_PATTERN, source)
70    for match in flags_match:
71      result += match.strip().split()
72    result += context.mode_flags
73    if MODULE_PATTERN.search(source):
74      result.append("--module")
75    result = [x for x in result if x not in INVALID_FLAGS]
76    result.append(os.path.join(self.root, testcase.path + ".js"))
77    return testcase.flags + result
78
79  def GetSourceForTest(self, testcase):
80    filename = os.path.join(self.root, testcase.path + self.suffix())
81    with open(filename) as f:
82      return f.read()
83
84  def _IgnoreLine(self, string):
85    """Ignore empty lines, valgrind output, Android output."""
86    if not string: return True
87    if not string.strip(): return True
88    return (string.startswith("==") or string.startswith("**") or
89            string.startswith("ANDROID") or
90            # These five patterns appear in normal Native Client output.
91            string.startswith("DEBUG MODE ENABLED") or
92            string.startswith("tools/nacl-run.py") or
93            string.find("BYPASSING ALL ACL CHECKS") > 0 or
94            string.find("Native Client module will be loaded") > 0 or
95            string.find("NaClHostDescOpen:") > 0)
96
97  def IsFailureOutput(self, output, testpath):
98    expected_path = os.path.join(self.root, testpath + ".out")
99    expected_lines = []
100    # Can't use utils.ReadLinesFrom() here because it strips whitespace.
101    with open(expected_path) as f:
102      for line in f:
103        if line.startswith("#") or not line.strip(): continue
104        expected_lines.append(line)
105    raw_lines = output.stdout.splitlines()
106    actual_lines = [ s for s in raw_lines if not self._IgnoreLine(s) ]
107    env = { "basename": os.path.basename(testpath + ".js") }
108    if len(expected_lines) != len(actual_lines):
109      return True
110    for (expected, actual) in itertools.izip_longest(
111        expected_lines, actual_lines, fillvalue=''):
112      pattern = re.escape(expected.rstrip() % env)
113      pattern = pattern.replace("\\*", ".*")
114      pattern = "^%s$" % pattern
115      if not re.match(pattern, actual):
116        return True
117    return False
118
119  def StripOutputForTransmit(self, testcase):
120    pass
121
122
123def GetSuite(name, root):
124  return MessageTestSuite(name, root)
125