require_relative 'test_helper'

describe 'Set Command' do
  include TestDsl

  describe 'setting to on' do
    Byebug::Command.settings[:autolist] = 0

    it 'must set a setting to on' do
      enter 'set autolist on'
      debug_file 'set'
      Byebug::Command.settings[:autolist].must_equal 1
    end

    it 'must set a setting to on by 1' do
      enter 'set autolist 1'
      debug_file 'set'
      Byebug::Command.settings[:autolist].must_equal 1
    end

    it 'must set a setting to on by default' do
      enter 'set autolist'
      debug_file 'set'
      Byebug::Command.settings[:autolist].must_equal 1
    end

    it 'must set a setting using shortcut' do
      enter 'set autol'
      debug_file 'set'
      Byebug::Command.settings[:autolist].must_equal 1
    end
  end

  describe 'setting to off' do
    Byebug::Command.settings[:autolist] = 1

    it 'must set a setting to off' do
      enter 'set autolist off'
      debug_file 'set'
      Byebug::Command.settings[:autolist].must_equal 0
    end

    it 'must set a setting to off by 0' do
      enter 'set autolist 0'
      debug_file 'set'
      Byebug::Command.settings[:autolist].must_equal 0
    end

    it 'must set a setting to off by "no" prefix' do
      enter 'set noautolist'
      debug_file 'set'
      Byebug::Command.settings[:autolist].must_equal 0
    end
  end

  describe 'messages' do
    Byebug::Command.settings[:autolist] = 0

    it 'must show a message after setting' do
      enter 'set autolist on'
      debug_file 'set'
      check_output_includes 'autolist is on.'
    end
  end

  describe 'byebugtesting' do
    it 'must set $byebug_state if byebugsetting is on' do
      enter 'set byebugtesting', 'break 3', 'cont'
      debug_file('set') {
        state.must_be_kind_of Byebug::CommandProcessor::State }
    end

    it 'must set basename on too' do
      temporary_change_hash_value(Byebug::Command.settings, :basename, false) do
        enter 'set byebugtesting', 'show basename'
        debug_file('set')
        check_output_includes 'basename is on.'
      end
    end

    it 'must not set $byebug_state if byebugsetting is off' do
      enter 'set nobyebugtesting', 'break 3', 'cont'
      debug_file('set') { $byebug_state.must_be_nil }
    end
  end

  describe 'history' do
    describe 'save' do
      it 'must set history save to on' do
        enter 'set history save on'
        debug_file 'set'
        interface.history_save.must_equal true
      end

      it 'must show a message' do
        enter 'set history save on'
        debug_file 'set'
        check_output_includes 'Saving of history save is on.'
      end

      it 'must set history save to off' do
        enter 'set history save off'
        debug_file 'set'
        interface.history_save.must_equal false
      end
    end

    describe 'size' do
      it 'must set history size' do
        enter 'set history size 250'
        debug_file 'set'
        interface.history_length.must_equal 250
      end

      it 'must show a message' do
        enter 'set history size 250'
        debug_file 'set'
        check_output_includes 'Byebug history size is 250'
      end
    end

    describe 'filename' do
      it 'must set history filename' do
        enter 'set history filename .byebug-hist'
        debug_file 'set'
        interface.histfile.must_equal \
          File.join(ENV['HOME']||ENV['HOMEPATH']||'.', '.byebug-hist')
      end

      it 'must show a message' do
        enter 'set history filename .byebug-hist'
        debug_file 'set'
        check_output_includes \
          'The filename in which to record the command history is ' \
          "\"#{File.join(ENV['HOME']||ENV['HOMEPATH']||'.', '.byebug-hist')}\""
      end
    end

    it 'must show an error message if used wrong subcommand' do
      enter 'set history bla 2'
      debug_file 'set'
      check_output_includes \
        'Invalid history parameter bla. Should be "filename", "save" or "size".'
    end

    it 'must show an error message if provided only one argument' do
      enter 'set history save'
      debug_file 'set'
      check_output_includes 'Need two parameters for "set history"; got 1.'
    end
  end

  describe 'width' do
    Byebug::Command.settings[:width] = 20

    it 'must set ENV[\'COLUMNS\'] by the "set width" command' do
      old_columns = ENV['COLUMNS']
      begin
        enter 'set width 10'
        debug_file 'set'
        ENV['COLUMNS'].must_equal '10'
      ensure
        ENV['COLUMNS'] = old_columns
      end
    end
  end

  describe 'Post Mortem' do
    Byebug::Command.settings[:autolist] = 0

    it 'must work in post-mortem mode' do
      enter 'cont', 'set autolist on'
      debug_file 'post_mortem'
      check_output_includes 'autolist is on.'
    end
  end

end