require 'isolation/abstract_unit' require 'active_support/core_ext/string/strip' module ApplicationTests class TestRunnerTest < ActiveSupport::TestCase include ActiveSupport::Testing::Isolation def setup build_app ENV['RAILS_ENV'] = nil create_schema end def teardown teardown_app end def test_should_not_display_heading create_test_file run_test_command.tap do |output| assert_no_match "Run options:", output assert_no_match "Running tests:", output end end def test_run_in_test_environment app_file 'test/unit/env_test.rb', <<-RUBY require 'test_helper' class EnvTest < ActiveSupport::TestCase def test_env puts "Current Environment: \#{Rails.env}" end end RUBY assert_match "Current Environment: test", run_test_command('test/unit/env_test.rb') end def test_run_shortcut create_test_file :models, 'foo' output = Dir.chdir(app_path) { `bundle exec rails t test/models/foo_test.rb` } assert_match "1 tests, 1 assertions, 0 failures", output end def test_run_single_file create_test_file :models, 'foo' assert_match "1 tests, 1 assertions, 0 failures", run_test_command("test/models/foo_test.rb") end def test_run_multiple_files create_test_file :models, 'foo' create_test_file :models, 'bar' assert_match "2 tests, 2 assertions, 0 failures", run_test_command("test/models/foo_test.rb test/models/bar_test.rb") end def test_run_file_with_syntax_error app_file 'test/models/error_test.rb', <<-RUBY require 'test_helper' def; end RUBY error_stream = Tempfile.new('error') redirect_stderr(error_stream) { run_test_command('test/models/error_test.rb') } assert_match "SyntaxError", error_stream.read end def test_invoke_rake_db_test_load app_file "lib/tasks/test.rake", <<-RUBY task 'db:test:load' do puts "Hello World" end RUBY create_test_file assert_match "Hello World", run_test_command end def test_run_models create_test_file :models, 'foo' create_test_file :models, 'bar' create_test_file :controllers, 'foobar_controller' run_test_command("models").tap do |output| assert_match "FooTest", output assert_match "BarTest", output assert_match "2 tests, 2 assertions, 0 failures", output end end def test_run_helpers create_test_file :helpers, 'foo_helper' create_test_file :helpers, 'bar_helper' create_test_file :controllers, 'foobar_controller' run_test_command('helpers').tap do |output| assert_match "FooHelperTest", output assert_match "BarHelperTest", output assert_match "2 tests, 2 assertions, 0 failures", output end end def test_run_units create_test_file :models, 'foo' create_test_file :helpers, 'bar_helper' create_test_file :unit, 'baz_unit' create_test_file :controllers, 'foobar_controller' run_test_command('units').tap do |output| assert_match "FooTest", output assert_match "BarHelperTest", output assert_match "BazUnitTest", output assert_match "3 tests, 3 assertions, 0 failures", output end end def test_run_controllers create_test_file :controllers, 'foo_controller' create_test_file :controllers, 'bar_controller' create_test_file :models, 'foo' run_test_command('controllers').tap do |output| assert_match "FooControllerTest", output assert_match "BarControllerTest", output assert_match "2 tests, 2 assertions, 0 failures", output end end def test_run_mailers create_test_file :mailers, 'foo_mailer' create_test_file :mailers, 'bar_mailer' create_test_file :models, 'foo' run_test_command('mailers').tap do |output| assert_match "FooMailerTest", output assert_match "BarMailerTest", output assert_match "2 tests, 2 assertions, 0 failures", output end end def test_run_functionals create_test_file :mailers, 'foo_mailer' create_test_file :controllers, 'bar_controller' create_test_file :functional, 'baz_functional' create_test_file :models, 'foo' run_test_command('functionals').tap do |output| assert_match "FooMailerTest", output assert_match "BarControllerTest", output assert_match "BazFunctionalTest", output assert_match "3 tests, 3 assertions, 0 failures", output end end def test_run_integration create_test_file :integration, 'foo_integration' create_test_file :models, 'foo' run_test_command('integration').tap do |output| assert_match "FooIntegration", output assert_match "1 tests, 1 assertions, 0 failures", output end end def test_run_all_suites suites = [:models, :helpers, :unit, :controllers, :mailers, :functional, :integration] suites.each { |suite| create_test_file suite, "foo_#{suite}" } run_test_command('') .tap do |output| suites.each { |suite| assert_match "Foo#{suite.to_s.camelize}Test", output } assert_match "7 tests, 7 assertions, 0 failures", output end end def test_run_named_test app_file 'test/unit/chu_2_koi_test.rb', <<-RUBY require 'test_helper' class Chu2KoiTest < ActiveSupport::TestCase def test_rikka puts 'Rikka' end def test_sanae puts 'Sanae' end end RUBY run_test_command('test/unit/chu_2_koi_test.rb -n test_rikka').tap do |output| assert_match "Rikka", output assert_no_match "Sanae", output end end def test_not_load_fixtures_when_running_single_test create_model_with_fixture create_fixture_test :models, 'user' assert_match "0 users", run_test_command('test/models/user_test.rb') assert_match "3 users", run_test_command('test/models/user_test.rb -f') end def test_load_fixtures_when_running_test_suites create_model_with_fixture suites = [:models, :helpers, [:units, :unit], :controllers, :mailers, [:functionals, :functional], :integration] suites.each do |suite, directory| directory ||= suite create_fixture_test directory assert_match "3 users", run_test_command(suite) Dir.chdir(app_path) { FileUtils.rm_f "test/#{directory}" } end end def test_run_different_environment_using_env_var app_file 'test/unit/env_test.rb', <<-RUBY require 'test_helper' class EnvTest < ActiveSupport::TestCase def test_env puts Rails.env end end RUBY ENV['RAILS_ENV'] = 'development' assert_match "development", run_test_command('test/unit/env_test.rb') end def test_run_different_environment_using_e_tag app_file 'test/unit/env_test.rb', <<-RUBY require 'test_helper' class EnvTest < ActiveSupport::TestCase def test_env puts Rails.env end end RUBY assert_match "development", run_test_command('-e development test/unit/env_test.rb') end def test_generated_scaffold_works_with_rails_test create_scaffold assert_match "0 failures, 0 errors, 0 skips", run_test_command('') end private def run_test_command(arguments = 'test/unit/test_test.rb') Dir.chdir(app_path) { `bundle exec rails test #{arguments}` } end def create_model_with_fixture script 'generate model user name:string' app_file 'test/fixtures/users.yml', <<-YAML.strip_heredoc vampire: id: 1 name: Koyomi Araragi crab: id: 2 name: Senjougahara Hitagi cat: id: 3 name: Tsubasa Hanekawa YAML run_migration end def create_fixture_test(path = :unit, name = 'test') app_file "test/#{path}/#{name}_test.rb", <<-RUBY require 'test_helper' class #{name.camelize}Test < ActiveSupport::TestCase def test_fixture puts "\#{User.count} users (\#{__FILE__})" end end RUBY end def create_schema app_file 'db/schema.rb', '' end def redirect_stderr(target_stream) previous_stderr = STDERR.dup $stderr.reopen(target_stream) yield target_stream.rewind ensure $stderr = previous_stderr end def create_test_file(path = :unit, name = 'test') app_file "test/#{path}/#{name}_test.rb", <<-RUBY require 'test_helper' class #{name.camelize}Test < ActiveSupport::TestCase def test_truth puts "#{name.camelize}Test" assert true end end RUBY end def create_scaffold script 'generate scaffold user name:string' Dir.chdir(app_path) { File.exist?('app/models/user.rb') } run_migration end def run_migration Dir.chdir(app_path) { `bundle exec rake db:migrate` } end end end