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import test
import os
from os.path import join, exists


EXCLUDED = ['CVS']


FRAMEWORK = """
  browser.js
  shell.js
  jsref.js
  template.js
""".split()


TEST_DIRS = """
  ecma
  ecma_2
  ecma_3
  js1_1
  js1_2
  js1_3
  js1_4
  js1_5
""".split()


class MozillaTestCase(test.TestCase):

  def __init__(self, filename, path, context, root, mode, framework):
    super(MozillaTestCase, self).__init__(context, path)
    self.filename = filename
    self.mode = mode
    self.framework = framework
    self.root = root

  def IsNegative(self):
    return self.filename.endswith('-n.js')

  def GetLabel(self):
    return "%s mozilla %s" % (self.mode, self.GetName())

  def IsFailureOutput(self, output):
    if output.exit_code != 0:
      return True
    return 'FAILED!' in output.stdout

  def GetCommand(self):
    result = [self.context.GetVm(self.mode), '--expose-gc',
              join(self.root, 'mozilla-shell-emulation.js')]
    result += self.framework
    result.append(self.filename)
    return result

  def GetName(self):
    return self.path[-1]

  def GetSource(self):
    return open(self.filename).read()


class MozillaTestConfiguration(test.TestConfiguration):

  def __init__(self, context, root):
    super(MozillaTestConfiguration, self).__init__(context, root)

  def ListTests(self, current_path, path, mode):
    tests = []
    for test_dir in TEST_DIRS:
      current_root = join(self.root, 'data', test_dir)
      for root, dirs, files in os.walk(current_root):
        for dotted in [x  for x in dirs if x.startswith('.')]:
          dirs.remove(dotted)
        for excluded in EXCLUDED:
          if excluded in dirs:
            dirs.remove(excluded)
        dirs.sort()
        root_path = root[len(self.root):].split(os.path.sep)
        root_path = current_path + [x for x in root_path if x]
        framework = []
        for i in xrange(len(root_path)):
          if i == 0: dir = root_path[1:]
          else: dir = root_path[1:-i]
          script = join(self.root, reduce(join, dir, ''), 'shell.js')
          if exists(script):
            framework.append(script)
        framework.reverse()
        files.sort()
        for file in files:
          if (not file in FRAMEWORK) and file.endswith('.js'):
            full_path = root_path + [file[:-3]]
            full_path = [x for x in full_path if x != 'data']
            if self.Contains(path, full_path):
              test = MozillaTestCase(join(root, file), full_path, self.context,
                                     self.root, mode, framework)
              tests.append(test)
    return tests

  def GetBuildRequirements(self):
    return ['sample', 'sample=shell']

  def GetTestStatus(self, sections, defs):
    status_file = join(self.root, 'mozilla.status')
    if exists(status_file):
      test.ReadConfigurationInto(status_file, sections, defs)


def GetConfiguration(context, root):
  return MozillaTestConfiguration(context, root)
