text: # Copyright (C) 2016-2018 ycmd contributors
  #
  # This file is part of ycmd.
  #
  # ycmd is free software: you can redistribute it and/or modify
  # it under the terms of the GNU General Public License as published by
  # the Free Software Foundation, either version 3 of the License, or
  # (at your option) any later version.
  #
  # ycmd is distributed in the hope that it will be useful,
  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  # GNU General Public License for more details.
  #
  # You should have received a copy of the GNU General Public License
  # along with ycmd.  If not, see <http://www.gnu.org/licenses/>.
  
  from __future__ import unicode_literals
  from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  # Not installing aliases from python-future; it's unreliable and slow.
  from builtins import *  # noqa
  
  from hamcrest import ( assert_that, contains, empty, has_entries, has_entry,
                         instance_of )
  
  from ycmd.tests.tern import SharedYcmd
  from ycmd.tests.test_utils import BuildRequest
  
  
  @SharedYcmd
  def DebugInfo_test( app ):
    request_data = BuildRequest( filetype = 'javascript' )
    assert_that(
      app.post_json( '/debug_info', request_data ).json,
      has_entry( 'completer', has_entries( {
        'name': 'JavaScript',
        'servers': contains( has_entries( {
          'name': 'Tern',
          'is_running': instance_of( bool ),
          'executable': instance_of( str ),
          'pid': instance_of( int ),
          'address': instance_of( str ),
          'port': instance_of( int ),
          'logfiles': contains( instance_of( str ),
                                instance_of( str ) ),
          'extras': contains(
            has_entries( {
              'key': 'configuration file',
              'value': instance_of( str )
            } ),
            has_entries( {
              'key': 'working directory',
              'value': instance_of( str )
            } )
          ),
        } ) ),
        'items': empty()
      } ) )
    )
  