# Copyright (C) 2017 YouCompleteMe Contributors
#
# This file is part of YouCompleteMe.
#
# YouCompleteMe 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.
#
# YouCompleteMe 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 YouCompleteMe.  If not, see <http://www.gnu.org/licenses/>.

from copy import deepcopy
from hamcrest import assert_that, contains_string, equal_to
from unittest import TestCase

from ycm.client.debug_info_request import FormatDebugInfoResponse


GENERIC_RESPONSE = {
  'clang': {
    'has_support': True,
    'version': 'Clang version'
  },
  'completer': {
    'items': [
      {
        'key': 'key',
        'value': 'value'
      }
    ],
    'name': 'Completer name',
    'servers': [
      {
        'address': '127.0.0.1',
        'executable': '/path/to/executable',
        'extras': [
          {
            'key': 'key',
            'value': 'value'
          }
        ],
        'is_running': True,
        'logfiles': [
          '/path/to/stdout/logfile',
          '/path/to/stderr/logfile'
        ],
        'name': 'Server name',
        'pid': 12345,
        'port': 1234
      }
    ]
  },
  'extra_conf': {
    'is_loaded': False,
    'path': '/path/to/extra/conf'
  },
  'python': {
    'executable': '/path/to/python/interpreter',
    'version': 'Python version'
  }
}


class DebugInfoRequestTest( TestCase ):
  def test_FormatDebugInfoResponse_NoResponse( self ):
    assert_that(
      FormatDebugInfoResponse( None ),
      equal_to( 'Server errored, no debug info from server\n' )
    )


  def test_FormatDebugInfoResponse_NoExtraConf( self ):
    response = deepcopy( GENERIC_RESPONSE )
    response[ 'extra_conf' ].update( {
      'is_loaded': False,
      'path': None
    } )
    assert_that(
      FormatDebugInfoResponse( response ),
      contains_string(
        'No extra configuration file found\n'
      )
    )


  def test_FormatDebugInfoResponse_ExtraConfFoundButNotLoaded( self ):
    response = deepcopy( GENERIC_RESPONSE )
    response[ 'extra_conf' ].update( {
      'is_loaded': False,
      'path': '/path/to/extra/conf'
    } )
    assert_that(
      FormatDebugInfoResponse( response ),
      contains_string(
        'Extra configuration file found but not loaded\n'
        'Extra configuration path: /path/to/extra/conf\n'
      )
    )


  def test_FormatDebugInfoResponse_ExtraConfFoundAndLoaded( self ):
    response = deepcopy( GENERIC_RESPONSE )
    response[ 'extra_conf' ].update( {
      'is_loaded': True,
      'path': '/path/to/extra/conf'
    } )
    assert_that(
      FormatDebugInfoResponse( response ),
      contains_string(
        'Extra configuration file found and loaded\n'
        'Extra configuration path: /path/to/extra/conf\n'
      )
    )


  def test_FormatDebugInfoResponse_Completer_ServerRunningWithHost( self ):
    response = deepcopy( GENERIC_RESPONSE )
    assert_that(
      FormatDebugInfoResponse( response ),
      contains_string(
        'Completer name completer debug information:\n'
        '  Server name running at: http://127.0.0.1:1234\n'
        '  Server name process ID: 12345\n'
        '  Server name executable: /path/to/executable\n'
        '  Server name logfiles:\n'
        '    /path/to/stdout/logfile\n'
        '    /path/to/stderr/logfile\n'
        '  Server name key: value\n'
        '  Key: value\n'
      )
    )


  def test_FormatDebugInfoResponse_Completer_ServerRunningWithoutHost( self ):
    response = deepcopy( GENERIC_RESPONSE )
    response[ 'completer' ][ 'servers' ][ 0 ].update( {
      'address': None,
      'port': None
    } )
    assert_that(
      FormatDebugInfoResponse( response ),
      contains_string(
        'Completer name completer debug information:\n'
        '  Server name running\n'
        '  Server name process ID: 12345\n'
        '  Server name executable: /path/to/executable\n'
        '  Server name logfiles:\n'
        '    /path/to/stdout/logfile\n'
        '    /path/to/stderr/logfile\n'
        '  Server name key: value\n'
        '  Key: value\n'
      )
    )


  def test_FormatDebugInfoResponse_Completer_ServerNotRunningWithNoLogfiles(
      self ):
    response = deepcopy( GENERIC_RESPONSE )
    response[ 'completer' ][ 'servers' ][ 0 ].update( {
      'is_running': False,
      'logfiles': []
    } )
    assert_that(
      FormatDebugInfoResponse( response ),
      contains_string(
        'Completer name completer debug information:\n'
        '  Server name not running\n'
        '  Server name executable: /path/to/executable\n'
        '  No logfiles available\n'
        '  Server name key: value\n'
        '  Key: value\n'
      )
    )