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import hashlib
import os
import shutil
import sys
import tarfile

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


"""
Requirements for using this test suite:
Download http://sinonjs.org/releases/sinon-1.7.3.js into
test/promises-aplus/sinon.
Download https://github.com/promises-aplus/promises-tests/tree/2.0.3 into
test/promises-aplus/promises-tests.
"""

TEST_NAME = 'promises-tests'


class PromiseAplusTestSuite(testsuite.TestSuite):

  def __init__(self, name, root):
    self.root = root
    self.test_files_root = os.path.join(self.root, TEST_NAME, 'lib', 'tests')
    self.name = name
    self.helper_files_pre = [
      os.path.join(root, 'lib', name) for name in
      ['global.js', 'require.js', 'mocha.js', 'adapter.js']
    ]
    self.helper_files_post = [
      os.path.join(root, 'lib', name) for name in
      ['run-tests.js']
    ]

  def CommonTestName(self, testcase):
    return testcase.path.split(os.path.sep)[-1]

  def ListTests(self, context):
    return [testcase.TestCase(self, fname[:-len('.js')]) for fname in
            os.listdir(os.path.join(self.root, TEST_NAME, 'lib', 'tests'))
            if fname.endswith('.js')]

  def GetFlagsForTestCase(self, testcase, context):
    return (testcase.flags + context.mode_flags + ['--allow-natives-syntax'] +
            self.helper_files_pre +
            [os.path.join(self.test_files_root, testcase.path + '.js')] +
            self.helper_files_post)

  def GetSourceForTest(self, testcase):
    filename = os.path.join(self.root, TEST_NAME,
                            'lib', 'tests', testcase.path + '.js')
    with open(filename) as f:
      return f.read()

  def IsNegativeTest(self, testcase):
    return '@negative' in self.GetSourceForTest(testcase)

  def IsFailureOutput(self, testcase):
    if testcase.output.exit_code != 0:
      return True
    return not 'All tests have run.' in testcase.output.stdout or \
           'FAIL:' in testcase.output.stdout

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