# -*- coding: utf-8 -*-
# Copyright 2013 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Integration tests for versioning command."""

from __future__ import absolute_import

import gslib.tests.testcase as testcase
from gslib.tests.util import ObjectToURI as suri
from gslib.util import Retry


class TestVersioning(testcase.GsUtilIntegrationTestCase):
  """Integration tests for versioning command."""

  _set_ver_cmd = ['versioning', 'set']
  _get_ver_cmd = ['versioning', 'get']

  def test_off_default(self):
    bucket_uri = self.CreateBucket()
    stdout = self.RunGsUtil(
        self._get_ver_cmd + [suri(bucket_uri)], return_stdout=True)
    self.assertEqual(stdout.strip(), '%s: Suspended' % suri(bucket_uri))

  def test_turning_on(self):
    bucket_uri = self.CreateBucket()
    self.RunGsUtil(self._set_ver_cmd + ['on', suri(bucket_uri)])

    # Work around eventual consistency for S3 versioning.
    @Retry(AssertionError, tries=3, timeout_secs=1)
    def _Check1():
      stdout = self.RunGsUtil(
          self._get_ver_cmd + [suri(bucket_uri)], return_stdout=True)
      self.assertEqual(stdout.strip(), '%s: Enabled' % suri(bucket_uri))
    _Check1()

  def test_turning_off(self):
    bucket_uri = self.CreateBucket()
    self.RunGsUtil(self._set_ver_cmd + ['on', suri(bucket_uri)])

    # Work around eventual consistency for S3 versioning.
    @Retry(AssertionError, tries=3, timeout_secs=1)
    def _Check1():
      stdout = self.RunGsUtil(
          self._get_ver_cmd + [suri(bucket_uri)], return_stdout=True)
      self.assertEqual(stdout.strip(), '%s: Enabled' % suri(bucket_uri))
    _Check1()

    self.RunGsUtil(self._set_ver_cmd + ['off', suri(bucket_uri)])

    # Work around eventual consistency for S3 versioning.
    @Retry(AssertionError, tries=3, timeout_secs=1)
    def _Check2():
      stdout = self.RunGsUtil(
          self._get_ver_cmd + [suri(bucket_uri)], return_stdout=True)
      self.assertEqual(stdout.strip(), '%s: Suspended' % suri(bucket_uri))
    _Check2()

  def testTooFewArgumentsFails(self):
    """Ensures versioning commands fail with too few arguments."""
    # No arguments for set, but valid subcommand.
    stderr = self.RunGsUtil(self._set_ver_cmd, return_stderr=True,
                            expected_status=1)
    self.assertIn('command requires at least', stderr)

    # No arguments for get, but valid subcommand.
    stderr = self.RunGsUtil(self._get_ver_cmd, return_stderr=True,
                            expected_status=1)
    self.assertIn('command requires at least', stderr)

    # Neither arguments nor subcommand.
    stderr = self.RunGsUtil(['versioning'], return_stderr=True,
                            expected_status=1)
    self.assertIn('command requires at least', stderr)


class TestVersioningOldAlias(TestVersioning):
  _set_ver_cmd = ['setversioning']
  _get_ver_cmd = ['getversioning']