require File.expand_path("../spec_helper", __FILE__)

module Danger
  describe Danger::DangerKtlint do
    let(:dangerfile) { testing_dangerfile }
    let(:plugin) { dangerfile.ktlint }

    it "should be a plugin" do
      expect(Danger::DangerKtlint.new(nil)).to be_a Danger::Plugin
    end

    before do
      allow_any_instance_of(Kernel).to receive(:`).with('pwd').and_return('/home/mataku')
      allow_any_instance_of(Kernel).to receive(:`).with('which less').and_return(0)
    end

    describe '#lint' do
      before do
        allow_any_instance_of(Danger::DangerfileGitPlugin).to receive(:added_files).and_return(['app/src/main/java/com/mataku/Model.kt'])
        allow_any_instance_of(Danger::DangerfileGitPlugin).to receive(:modified_files).and_return([])
      end

      context '`ktlint` is not installed' do
        before do
          allow_any_instance_of(Kernel).to receive(:system).with('which ktlint > /dev/null 2>&1').and_return(false)
        end

        it 'Fails with message about not found `ktlint`' do
          plugin.lint
          expect(dangerfile.status_report[:errors]).to eq(["Couldn't find ktlint command. Install first."])
        end
      end

      context 'Ktlint issues were found' do
        before do
          allow_any_instance_of(Kernel).to receive(:system).with('which ktlint > /dev/null 2>&1').and_return(true)
          allow_any_instance_of(Kernel).to receive(:`).with('ktlint app/src/main/java/com/mataku/Model.kt --reporter=json --relative').and_return(dummy_ktlint_result)
          allow_any_instance_of(Danger::DangerfileGitHubPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model.kt#L46').and_return("<a href='https://github.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model.kt'>Model.kt</a>")
          allow_any_instance_of(Danger::DangerfileGitHubPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model.kt#L47').and_return("<a href='https://github.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model.kt'>Model.kt</a>")
        end

        it 'Sends markdown comment' do
          plugin.lint
          expect(dangerfile.status_report[:errors].size).to eq(2)
        end
      end

      context 'Ktlint issues were found with inline_mode: true' do
        before do
          allow_any_instance_of(Kernel).to receive(:system).with('which ktlint > /dev/null 2>&1').and_return(true)
          allow_any_instance_of(Kernel).to receive(:`).with('ktlint app/src/main/java/com/mataku/Model.kt --reporter=json --relative').and_return(dummy_ktlint_result)
        end

        it 'Sends inline comment' do
          plugin.lint(inline_mode: true)
          expect(dangerfile.status_report[:errors].size).to eq(2)
        end
      end

      context 'GitLab' do
        let(:dangerfile) { testing_dangerfile_for_gitlab }

        before do
          allow_any_instance_of(Kernel).to receive(:system).with('which ktlint > /dev/null 2>&1').and_return(true)
          allow_any_instance_of(Kernel).to receive(:`).with('ktlint app/src/main/java/com/mataku/Model.kt --reporter=json --relative').and_return(dummy_ktlint_result)
          allow_any_instance_of(Danger::DangerfileGitLabPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model.kt').and_return("<a href='https://gitlab.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model.kt'>Model.kt</a>")
          allow_any_instance_of(Danger::DangerfileGitLabPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model.kt').and_return("<a href='https://gitlab.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model.kt'>Model.kt</a>")
        end

        it do
          plugin.lint
          expect(dangerfile.status_report[:errors].size).to eq(2)
        end
      end
    end

    describe '#limit' do
      context 'expected limit value is set' do
        it 'raises UnexpectedLimitTypeError' do
          expect { plugin.limit = nil }.to raise_error(DangerKtlint::UnexpectedLimitTypeError)
        end
      end

      context 'integer value is set to limit' do
        it 'raises no errors' do
          expect { plugin.limit = 1 }.not_to raise_error
        end
      end
    end

    describe '#send_markdown_comment' do
      let(:limit) { 1 } 

      before do
        allow_any_instance_of(Danger::DangerfileGitPlugin).to receive(:added_files).and_return(['app/src/main/java/com/mataku/Model.kt'])
        allow_any_instance_of(Danger::DangerfileGitPlugin).to receive(:modified_files).and_return([])
 
        allow_any_instance_of(Kernel).to receive(:system).with('which ktlint > /dev/null 2>&1').and_return(true)
        allow_any_instance_of(Kernel).to receive(:`).with('ktlint app/src/main/java/com/mataku/Model.kt --reporter=json --relative').and_return(dummy_ktlint_result)
        plugin.limit = limit
      end

      context 'limit is set' do
        it 'equals number of ktlint results to limit' do
          plugin.lint(inline_mode: true)
          expect(dangerfile.status_report[:errors].size).to eq(limit)
        end
      end
    end

    describe '#skip_lint' do
      context 'skip_lint: true' do
        before do
          allow_any_instance_of(Danger::DangerfileGitPlugin).to receive(:added_files).and_return(['app/src/main/java/com/mataku/Model.kt'])
          allow_any_instance_of(Danger::DangerfileGitPlugin).to receive(:modified_files).and_return([])
          allow_any_instance_of(Danger::DangerfileGitHubPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model.kt#L46').and_return("<a href='https://gitlab.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model.kt'>Model.kt</a>")
          allow_any_instance_of(Danger::DangerfileGitHubPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model.kt#L47').and_return("<a href='https://gitlab.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model.kt'>Model.kt</a>")
 
          allow(plugin).to receive(:system).with('which ktlint > /dev/null 2>&1').and_return(true)
          plugin.report_file = './spec/fixtures/ktlint_result.json'
          plugin.skip_lint = true
        end

        it do
          expect(plugin).not_to have_received(:system).with('which ktlint > /dev/null 2>&1')
          plugin.lint(inline_mode: false)
        end
      end

      context 'report_files_pattern is specified' do
        before do
          allow_any_instance_of(Danger::DangerfileGitPlugin).to receive(:added_files).and_return(['app/src/main/java/com/mataku/Model.kt', 'app/src/main/java/com/mataku/Model2.kt'])
          allow_any_instance_of(Danger::DangerfileGitPlugin).to receive(:modified_files).and_return([])
          allow_any_instance_of(Danger::DangerfileGitHubPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model.kt#L46').and_return("<a href='https://gitlab.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model.kt'>Model.kt</a>")
          allow_any_instance_of(Danger::DangerfileGitHubPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model.kt#L47').and_return("<a href='https://gitlab.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model.kt'>Model.kt</a>")
          allow_any_instance_of(Danger::DangerfileGitHubPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model2.kt#L46').and_return("<a href='https://gitlab.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model2.kt'>Model2.kt</a>")
          allow_any_instance_of(Danger::DangerfileGitHubPlugin).to receive(:html_link).with('app/src/main/java/com/mataku/Model2.kt#L47').and_return("<a href='https://gitlab.com/mataku/android/blob/561827e46167077b5e53515b4b7349b8ae04610b/Model2.kt'>Model2.kt</a>")
          #
          allow(plugin).to receive(:system).with('which ktlint > /dev/null 2>&1').and_return(true)
          plugin.report_files_pattern = "**/ktlint_result*.json"
          plugin.skip_lint = true
        end

        it do
          expect(plugin).not_to have_received(:system).with('which ktlint > /dev/null 2>&1')
          plugin.lint(inline_mode: false)
          expect(dangerfile.status_report[:errors].size).to eq(4)
        end
      end
    end
  end
end