diff options
Diffstat (limited to 'railties/test/application/test_runner_test.rb')
-rw-r--r-- | railties/test/application/test_runner_test.rb | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/railties/test/application/test_runner_test.rb b/railties/test/application/test_runner_test.rb new file mode 100644 index 0000000000..032b11a95f --- /dev/null +++ b/railties/test/application/test_runner_test.rb @@ -0,0 +1,331 @@ +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_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_single_file + create_test_file :models, 'foo' + create_test_file :models, 'bar' + assert_match "1 runs, 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 runs, 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 "syntax error", error_stream.read + end + + def test_run_models + create_test_file :models, 'foo' + create_test_file :models, 'bar' + create_test_file :controllers, 'foobar_controller' + run_test_models_command.tap do |output| + assert_match "FooTest", output + assert_match "BarTest", output + assert_match "2 runs, 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_helpers_command.tap do |output| + assert_match "FooHelperTest", output + assert_match "BarHelperTest", output + assert_match "2 runs, 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_units_command.tap do |output| + assert_match "FooTest", output + assert_match "BarHelperTest", output + assert_match "BazUnitTest", output + assert_match "3 runs, 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_controllers_command.tap do |output| + assert_match "FooControllerTest", output + assert_match "BarControllerTest", output + assert_match "2 runs, 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_mailers_command.tap do |output| + assert_match "FooMailerTest", output + assert_match "BarMailerTest", output + assert_match "2 runs, 2 assertions, 0 failures", output + end + end + + def test_run_jobs + create_test_file :jobs, 'foo_job' + create_test_file :jobs, 'bar_job' + create_test_file :models, 'foo' + run_test_jobs_command.tap do |output| + assert_match "FooJobTest", output + assert_match "BarJobTest", output + assert_match "2 runs, 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_functionals_command.tap do |output| + assert_match "FooMailerTest", output + assert_match "BarControllerTest", output + assert_match "BazFunctionalTest", output + assert_match "3 runs, 3 assertions, 0 failures", output + end + end + + def test_run_integration + create_test_file :integration, 'foo_integration' + create_test_file :models, 'foo' + run_test_integration_command.tap do |output| + assert_match "FooIntegration", output + assert_match "1 runs, 1 assertions, 0 failures", output + end + end + + def test_run_all_suites + suites = [:models, :helpers, :unit, :controllers, :mailers, :functional, :integration, :jobs] + 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 "8 runs, 8 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 test_rikka').tap do |output| + assert_match "Rikka", output + assert_no_match "Sanae", output + end + end + + def test_run_matched_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 /rikka/').tap do |output| + assert_match "Rikka", output + assert_no_match "Sanae", output + end + 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_task(["test:#{suite}"]) + Dir.chdir(app_path) { FileUtils.rm_f "test/#{directory}" } + end + end + + def test_run_with_model + create_model_with_fixture + create_fixture_test 'models', 'user' + assert_match "3 users", run_task(["test models/user"]) + assert_match "3 users", run_task(["test app/models/user.rb"]) + 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 + env = "development" + 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 env, run_test_command("test/unit/env_test.rb RAILS_ENV=#{env}") + 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_task(tasks) + Dir.chdir(app_path) { `bundle exec rake #{tasks.join ' '}` } + end + + def run_test_command(arguments = 'test/unit/test_test.rb') + run_task ['test', arguments] + end + %w{ mailers models helpers units controllers functionals integration jobs }.each do |type| + define_method("run_test_#{type}_command") do + run_task ["test:#{type}"] + end + 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 |