# Copyright 2013 the V8 project authors. All rights reserved.
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import os
import re

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

ENV_PATTERN = re.compile(r"//\s+Environment Variables:(.*)")

class TestSuite(testsuite.TestSuite):
  def ListTests(self):
    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 != "assert.js" and
            filename != "utils.js" and filename != "regexp-assert.js" and
            filename != "regexp-prepare.js"):
          fullpath = os.path.join(dirname, filename)
          relpath = fullpath[len(self.root) + 1 : -3]
          testname = relpath.replace(os.path.sep, "/")
          test = self._create_test(testname)
          tests.append(test)
    return tests

  def _test_class(self):
    return TestCase


class TestCase(testcase.TestCase):
  def __init__(self, *args, **kwargs):
    super(TestCase, self).__init__(*args, **kwargs)

    self._source_flags = self._parse_source_flags()
    source = self.get_source()
    self._env = self._parse_source_env(source)

  def _parse_source_env(self, source):
    env_match = ENV_PATTERN.search(source)
    env = {}
    if env_match:
      for env_pair in env_match.group(1).strip().split():
        var, value = env_pair.split('=')
        env[var] = value
    return env

  def _get_cmd_env(self):
    return self._env

  def _get_files_params(self):
    files = map(lambda f: os.path.join(self.suite.root, f), [
        'assert.js',
        'utils.js',
        'regexp-prepare.js',
        self.path + self._get_suffix(),
        'regexp-assert.js',
    ])

    if self._test_config.isolates:
      files += ['--isolate'] + files
    return files

  def _get_source_flags(self):
    return self._source_flags

  def _get_suite_flags(self):
    return ['--allow-natives-syntax']

  def _get_source_path(self):
    return os.path.join(self.suite.root, self.path + self._get_suffix())


def GetSuite(*args, **kwargs):
  return TestSuite(*args, **kwargs)