railties/test/generators/test_runner_in_engine_test.rb


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require "generators/plugin_test_helper"

class TestRunnerInEngineTest < ActiveSupport::TestCase
  include PluginTestHelper

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

  def teardown
    FileUtils.rm_rf(@destination_root)
  end

  def test_rerun_snippet_is_relative_path
    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/rails test test/post_test\.rb:4}
    assert_match expect, output
  end

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

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