test/mjsunit/testcfg.py

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import os
import re

from testrunner.local import testsuite
from testrunner.objects import testcase

FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")
FILES_PATTERN = re.compile(r"//\s+Files:(.*)")
SELF_SCRIPT_PATTERN = re.compile(r"//\s+Env: TEST_FILE_NAME")


class MjsunitTestSuite(testsuite.TestSuite):

  def __init__(self, name, root):
    super(MjsunitTestSuite, 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") and filename != "mjsunit.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)
    flags = [] + context.mode_flags
    flags_match = re.findall(FLAGS_PATTERN, source)
    for match in flags_match:
      flags += match.strip().split()

    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.root, '..', '..', f))
              for f in files_list ]
    testfilename = os.path.join(self.root, testcase.path + self.suffix())
    if SELF_SCRIPT_PATTERN.search(source):
      env = ["-e", "TEST_FILE_NAME=\"%s\"" % testfilename.replace("\\", "\\\\")]
      files = env + files
    files.append(os.path.join(self.root, "mjsunit.js"))
    files.append(testfilename)

    flags += files
    if context.isolates:
      flags.append("--isolate")
      flags += files

    return testcase.flags + flags

  def GetSourceForTest(self, testcase):
    filename = os.path.join(self.root, testcase.path + self.suffix())
    with open(filename) as f:
      return f.read()


def GetSuite(name, root):
  return MjsunitTestSuite(name, root)