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require "generators/plugin_test_helper"

class PluginTestRunnerTest < ActiveSupport::TestCase
  include PluginTestHelper

  def setup
    @destination_root = Dir.mktmpdir("bukkits")
    Dir.chdir(@destination_root) { `bundle exec rails plugin new bukkits --skip-bundle` }
    plugin_file "test/dummy/db/schema.rb", ""
  end

  def teardown
    FileUtils.rm_rf(@destination_root)
  end

  def test_run_single_file
    create_test_file "foo"
    create_test_file "bar"
    assert_match "1 runs, 1 assertions, 0 failures", run_test_command("test/foo_test.rb")
  end

  def test_run_multiple_files
    create_test_file "foo"
    create_test_file "bar"
    assert_match "2 runs, 2 assertions, 0 failures", run_test_command("test/foo_test.rb test/bar_test.rb")
  end

  def test_mix_files_and_line_filters
    create_test_file "account"
    plugin_file "test/post_test.rb", <<-RUBY
      require 'test_helper'

      class PostTest < ActiveSupport::TestCase
        def test_post
          puts 'PostTest'
          assert true
        end

        def test_line_filter_does_not_run_this
          assert true
        end
      end
    RUBY

    run_test_command("test/account_test.rb test/post_test.rb:4").tap do |output|
      assert_match "AccountTest", output
      assert_match "PostTest", output
      assert_match "2 runs, 2 assertions", output
    end
  end

  def test_multiple_line_filters
    create_test_file "account"
    create_test_file "post"

    run_test_command("test/account_test.rb:4 test/post_test.rb:4").tap do |output|
      assert_match "AccountTest", output
      assert_match "PostTest", output
    end
  end

  def test_output_inline_by_default
    create_test_file "post", pass: false

    output = run_test_command("test/post_test.rb")
    expect = %r{Running:\n\nPostTest\nF\n\nFailure:\nPostTest#test_truth \[[^\]]+test/post_test.rb:6\]:\nwups!\n\nbin/test (/private)?#{plugin_path}/test/post_test.rb:4}
    assert_match expect, output
  end

  def test_only_inline_failure_output
    create_test_file "post", pass: false

    output = run_test_command("test/post_test.rb")
    assert_match %r{Finished in.*\n\n1 runs, 1 assertions}, output
  end

  def test_fail_fast
    create_test_file "post", pass: false

    assert_match(/Interrupt/,
      capture(:stderr) { run_test_command("test/post_test.rb --fail-fast") })
  end

  def test_raise_error_when_specified_file_does_not_exist
    error = capture(:stderr) { run_test_command("test/not_exists.rb") }
    assert_match(%r{cannot load such file.+test/not_exists\.rb}, error)
  end

  def test_executed_only_once
    create_test_file "foo"
    result = run_test_command("test/foo_test.rb")
    assert_equal 1, result.scan(/1 runs, 1 assertions, 0 failures/).length
  end

  def test_warnings_option
    plugin_file "test/models/warnings_test.rb", <<-RUBY
      require 'test_helper'
      def test_warnings
        a = 1
      end
    RUBY
    assert_match(/warning: assigned but unused variable/,
      capture(:stderr) { run_test_command("test/models/warnings_test.rb -w") })
  end

  private
    def plugin_path
      "#{@destination_root}/bukkits"
    end

    def run_test_command(arguments)
      Dir.chdir(plugin_path) { `bin/test #{arguments}` }
    end
end