require 'functional/helper'

# NOTE: Trailing spaces are intentional and *required* in this file.

# Strategy: use a fixture CLI plugin that has
# various commands that exercise the UI

# The unit tests are very thorough, so we don't test low-level things here

module VisibleSpaces
  def show_spaces(str)
    str.tr!(' ', 'S')
    str.tr!("\n", 'N')
  end
end

describe 'InSpec UI behavior' do
  include PluginFunctionalHelper
  include VisibleSpaces

  let(:plugin_path) { File.join(mock_path, 'plugins', 'inspec-test-ui', 'lib', 'inspec-test-ui') }
  let(:run_result) { run_inspec_with_plugin("#{pre_opts} testui #{feature} #{post_opts}", plugin_path: plugin_path) }
  let(:pre_opts) { '' }
  let(:post_opts) { '' }

  describe 'with default options' do

    describe 'headline' do
      let(:feature) { 'headline' }
      it 'has correct output' do
        run_result.exit_status.must_equal 0
         expected = <<-EOT

 ───────────────────────────────── \e[1m\e[37mBig News!\e[0m ───────────────────────────────── 

EOT
        show_spaces(run_result.stdout).must_equal show_spaces(expected)
      end
    end

    describe 'table' do
      let(:feature) { 'table' }
      it 'has correct output' do
        run_result.exit_status.must_equal 0
         expected = <<-EOT
┌──────────────────────┬──────────┬───────────┐
│\e[1m\e[37m         Band         \e[0m│\e[1m\e[37m Coolness \e[0m│\e[1m\e[37m Nerd Cred \e[0m│
├──────────────────────┼──────────┼───────────┤
│ They Might Be Giants │ Low      │ Very High │
│ Led Zep              │ High     │ Low       │
│ Talking Heads        │ Moderate │ High      │
└──────────────────────┴──────────┴───────────┘
EOT
        show_spaces(run_result.stdout).must_equal show_spaces(expected)
      end
    end

    describe 'warning' do
      let(:feature) { 'warning' }
      it 'has correct output' do
        run_result.exit_status.must_equal 0
         expected = <<-EOT
\e[1m\e[33mWARNING:\e[0m Things will be OK in the end
EOT
        show_spaces(run_result.stdout).must_equal show_spaces(expected)
      end
    end

    describe 'error' do
      let(:feature) { 'error' }
      it 'has correct output' do
        run_result.exit_status.must_equal 0
         expected = <<-EOT
\e[1m\e[38;5;9mERROR:\e[0m Burned down, fell over, and then sank into the swamp.
EOT
        show_spaces(run_result.stdout).must_equal show_spaces(expected)
      end
    end

    describe 'list_item' do
      let(:feature) { 'list_item' }
      it 'has correct output' do
        run_result.exit_status.must_equal 0
         expected = <<-EOT
 \e[1m\e[37m•\e[0m TODO: make more lists
EOT
        show_spaces(run_result.stdout).must_equal show_spaces(expected)
      end
    end
  end

  describe 'with --no-color option' do
    # Note: the pre_opts position does not work for any class_option
    let(:post_opts) { '--no-color' }
    describe 'everything' do
      let(:feature) { 'everything' }
      it 'has correct output' do
        run_result.exit_status.must_equal 0
        expected = <<-EOT

 --------------------------------- Big News! --------------------------------- 

+----------------------+----------+-----------+
|         Band         | Coolness | Nerd Cred |
+----------------------+----------+-----------+
| They Might Be Giants | Low      | Very High |
| Led Zep              | High     | Low       |
| Talking Heads        | Moderate | High      |
+----------------------+----------+-----------+
WARNING: Things will be OK in the end
ERROR: Burned down, fell over, and then sank into the swamp.
 * TODO: make more lists
EOT
        show_spaces(run_result.stdout).must_equal show_spaces(expected)
      end
    end
  end

  describe 'exit codes' do

    describe 'normal exit' do
      let(:feature) { 'exitnormal' }
      it 'has correct output' do
        run_result.exit_status.must_equal 0
        run_result.stderr.must_equal ''
        run_result.stdout.must_equal "test exit normal\n"
      end
    end

    describe 'usage exit' do
      let(:feature) { 'exitusage' }
      it 'has correct output' do
        run_result.exit_status.must_equal 1
        run_result.stderr.must_equal '' # ie, we intentionally exit-1'd; not a crash
        run_result.stdout.must_equal "test exit usage_error\n"
      end
    end

    describe 'plugin exit' do
      let(:feature) { 'exitplugin' }
      it 'has correct output' do
        run_result.exit_status.must_equal 2
        run_result.stderr.must_equal ''
        run_result.stdout.must_equal "test exit plugin_error\n"
      end
    end

    describe 'skipped exit' do
      let(:feature) { 'exitskipped' }
      it 'has correct output' do
        run_result.exit_status.must_equal 101
        run_result.stderr.must_equal ''
        run_result.stdout.must_equal "test exit skipped_tests\n"
      end
    end

    describe 'failed exit' do
      let(:feature) { 'exitfailed' }
      it 'has correct output' do
        run_result.exit_status.must_equal 100
        run_result.stderr.must_equal ''
        run_result.stdout.must_equal "test exit failed_tests\n"
      end
    end

  end

  describe 'interactivity' do
    describe 'in interactive mode' do
      let(:post_opts) { '--interactive' }
      describe 'the interactive flag' do
        let(:feature) { 'interactive' }
        it "should report the interactive flag is on" do
          run_result.exit_status.must_equal 0
          run_result.stdout.must_include 'true'
        end
      end

      # On windows, tty-prompt's prompt() does not support the :timeout option.
      # This appears to be undocumented. If you run the test plugin
      # on windows, you'll see this invocation counts down to 0 then
      # hangs, waiting for an Enter keypress.
      #
      # Since we can't do an (automated) interactive test without 
      # a timeout, skip the test on windows.
      unless FunctionalHelper.is_windows?
        describe 'prompting' do
          let(:feature) { 'prompt' }
          it "should launch apollo" do
            run_result.exit_status.must_equal 0
            run_result.stdout.must_include 'Apollo'
          end
        end
      end
    end
  end

  describe 'in non-interactive mode' do
    let(:post_opts) { '--no-interactive' }
    describe 'the interactive flag' do
      let(:feature) { 'interactive' }
      it "should report the interactive flag is off" do
        run_result.exit_status.must_equal 0
        run_result.stdout.must_include 'false'
      end
    end

    describe 'prompting' do
      let(:feature) { 'prompt' }
      it "should crash with stacktrace" do
        run_result.exit_status.must_equal 1
        run_result.stderr.must_include 'Inspec::UserInteractionRequired'
      end
    end
  end
end