# frozen_string_literal: true

require 'spec_helper'

describe 'manifest_whitespace_double_newline_end_of_file' do
  context 'with good example' do
    let(:code) do
      <<~EOF
        class example (



        ) {


        }
      EOF
    end

    it 'should not detect any problems' do
      expect(problems).to have(0).problems
    end
  end

  let(:single_newline_end_of_file_msg) { 'there should be a single newline at the end of a manifest' }

  context 'with fix disabled' do
    context 'with 1 empty line at the end of a manifest' do
      let(:code) do
        <<~EOF
        class example {
        }

        EOF
      end

      it 'should detect a single problem' do
        expect(problems).to have(1).problem
      end

      it 'should create a error' do
        expect(problems).to contain_error(single_newline_end_of_file_msg).on_line(3).in_column(1)
      end
    end

    context 'with 3 empty lines at the end of a manifest' do
      let(:code) do
        <<~EOF
        class example {
        }



        EOF
      end

      it 'should detect 3 problems' do
        expect(problems).to have(3).problem
      end

      it 'should create a error' do
        expect(problems).to contain_error(single_newline_end_of_file_msg).on_line(3).in_column(1)
        expect(problems).to contain_error(single_newline_end_of_file_msg).on_line(4).in_column(1)
        expect(problems).to contain_error(single_newline_end_of_file_msg).on_line(5).in_column(1)
      end
    end
  end

  context 'with fix enabled' do
    before do
      PuppetLint.configuration.fix = true
    end

    after do
      PuppetLint.configuration.fix = false
    end

    context 'with 1 empty line at the end of a manifest' do
      let(:code) do
        <<~EOF
        class example {
        }

        EOF
      end

      it 'should detect a single problem' do
        expect(problems).to have(1).problem
      end

      it 'should fix the manifest' do
        expect(problems).to contain_fixed(single_newline_end_of_file_msg).on_line(3).in_column(1)
      end

      it 'should add the final newline' do
        expect(manifest).to eq(
          <<~EOF
          class example {
          }
          EOF
        )
      end
    end

    context 'with 3 empty lines at the end of a manifest' do
      let(:code) do
        <<~EOF
        class example {
        }



        EOF
      end

      it 'should detect 3 problems' do
        expect(problems).to have(3).problem
      end

      it 'should fix the manifest' do
        expect(problems).to contain_fixed(single_newline_end_of_file_msg).on_line(3).in_column(1)
        expect(problems).to contain_fixed(single_newline_end_of_file_msg).on_line(4).in_column(1)
        expect(problems).to contain_fixed(single_newline_end_of_file_msg).on_line(5).in_column(1)
      end

      it 'should add the final newline' do
        expect(manifest).to eq(
          <<~EOF
          class example {
          }
          EOF
        )
      end
    end
  end
end