text: # Copyright 2008 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 test
  import os
  from os.path import join, exists, basename, isdir
  import re
  import utils
  
  FLAGS_PATTERN = re.compile(r"//\s+Flags:(.*)")
  
  class TTYTestCase(test.TestCase):
  
    def __init__(self, path, file, expected, arch, mode, context, config):
      super(TTYTestCase, self).__init__(context, path, arch, mode)
      self.file = file
      self.expected = expected
      self.config = config
      self.arch = arch
      self.mode = mode
  
    def IgnoreLine(self, str):
      """Ignore empty lines and valgrind output."""
      if not str.strip(): return True
      else: return str.startswith('==') or str.startswith('**')
  
    def IsFailureOutput(self, output):
      f = file(self.expected)
      # Convert output lines to regexps that we can match
      env = { 'basename': basename(self.file) }
      patterns = [ ]
      for line in f:
        if not line.strip():
          continue
        pattern = re.escape(line.rstrip() % env)
        pattern = pattern.replace('\\*', '.*')
        pattern = '^%s$' % pattern
        patterns.append(pattern)
      # Compare actual output with the expected
      raw_lines = (output.stdout + output.stderr).split('\n')
      outlines = [ s.strip() for s in raw_lines if not self.IgnoreLine(s) ]
      if len(outlines) != len(patterns):
        print "length differs."
        print "expect=%d" % len(patterns)
        print "actual=%d" % len(outlines)
        print "patterns:"
        for i in xrange(len(patterns)):
          print "pattern = %s" % patterns[i]
        print "outlines:"
        for i in xrange(len(outlines)):
          print "outline = %s" % outlines[i]
        return True
      for i in xrange(len(patterns)):
        if not re.match(patterns[i], outlines[i]):
          print "match failed"
          print "line=%d" % i
          print "expect=%s" % patterns[i]
          print "actual=%s" % outlines[i]
          return True
      return False
  
    def GetLabel(self):
      return "%s %s" % (self.mode, self.GetName())
  
    def GetName(self):
      return self.path[-1]
  
    def GetCommand(self):
      result = [self.config.context.GetVm(self.arch, self.mode)]
      source = open(self.file).read()
      flags_match = FLAGS_PATTERN.search(source)
      if flags_match:
        result += flags_match.group(1).strip().split()
      result.append(self.file)
      return result
  
    def GetSource(self):
      return (open(self.file).read()
            + "\n--- expected output ---\n"
            + open(self.expected).read())
  
    def RunCommand(self, command, env):
      full_command = self.context.processor(command)
      output = test.Execute(full_command,
                       self.context,
                       self.context.GetTimeout(self.mode),
                       env,
                       True)
      self.Cleanup()
      return test.TestOutput(self,
                        full_command,
                        output,
                        self.context.store_unexpected_output)
  
  
  class TTYTestConfiguration(test.TestConfiguration):
  
    def __init__(self, context, root):
      super(TTYTestConfiguration, self).__init__(context, root)
  
    def Ls(self, path):
      if isdir(path):
          return [f[:-3] for f in os.listdir(path) if f.endswith('.js')]
      else:
          return []
  
    def ListTests(self, current_path, path, arch, mode):
      all_tests = [current_path + [t] for t in self.Ls(self.root)]
      result = []
      # Skip these tests on Windows, as pseudo terminals are not available
      if utils.IsWindows():
        print ("Skipping pseudo-tty tests, as pseudo terminals are not available"
               " on Windows.")
        return result
      for test in all_tests:
        if self.Contains(path, test):
          file_prefix = join(self.root, reduce(join, test[1:], ""))
          file_path = file_prefix + ".js"
          output_path = file_prefix + ".out"
          if not exists(output_path):
            raise Exception("Could not find %s" % output_path)
          result.append(TTYTestCase(test, file_path, output_path,
                                        arch, mode, self.context, self))
      return result
  
    def GetBuildRequirements(self):
      return ['sample', 'sample=shell']
  
    def GetTestStatus(self, sections, defs):
      status_file = join(self.root, 'pseudo-tty.status')
      if exists(status_file):
        test.ReadConfigurationInto(status_file, sections, defs)
  
  
  def GetConfiguration(context, root):
    return TTYTestConfiguration(context, root)
  