require 'spec_helper'
require_relative '../../support/horizontal_spacing_cases'
require 'tailor/critic'
require 'tailor/configuration/style'

TRAILING_WHITESPACE = {}
TRAILING_WHITESPACE['empty_line_with_spaces'] = %(  )
TRAILING_WHITESPACE['empty_line_with_spaces_in_method'] = %(def thing
  
  puts 'something'
end)

TRAILING_WHITESPACE['trailing_spaces_on_def'] = %(def thing  
  puts 'something'
end)

describe 'Trailing whitespace detection' do
  before do
    allow(Tailor::Logger).to receive(:log)
    FakeFS.activate!
    File.open(file_name, 'w') { |f| f.write contents }
    critic.check_file(file_name, style.to_hash)
  end

  let(:critic) do
    Tailor::Critic.new
  end

  let(:contents) { TRAILING_WHITESPACE[file_name] }

  let(:style) do
    style = Tailor::Configuration::Style.new
    style.trailing_newlines 0, level: :off
    style.allow_invalid_ruby true, level: :off

    style
  end

  context 'line is empty spaces' do
    let(:file_name) { 'empty_line_with_spaces' }
    specify { critic.problems[file_name].size.should be 1 }
    specify { critic.problems[file_name].first[:type].should == 'allow_trailing_line_spaces' }
    specify { critic.problems[file_name].first[:line].should be 1 }
    specify { critic.problems[file_name].first[:column].should be 2 }
    specify { critic.problems[file_name].first[:level].should be :error }
  end

  context 'method contains an empty line with spaces' do
    let(:file_name) { 'empty_line_with_spaces_in_method' }
    specify { critic.problems[file_name].size.should be 1 }
    specify { critic.problems[file_name].first[:type].should == 'allow_trailing_line_spaces' }
    specify { critic.problems[file_name].first[:line].should be 2 }
    specify { critic.problems[file_name].first[:column].should be 2 }
    specify { critic.problems[file_name].first[:level].should be :error }
  end

  context 'def line ends with spaces' do
    let(:file_name) { 'trailing_spaces_on_def' }
    specify { critic.problems[file_name].size.should be 1 }
    specify { critic.problems[file_name].first[:type].should == 'allow_trailing_line_spaces' }
    specify { critic.problems[file_name].first[:line].should be 1 }
    specify { critic.problems[file_name].first[:column].should be 11 }
    specify { critic.problems[file_name].first[:level].should be :error }
  end
end