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-rw-r--r--railties/test/application/test_runner_test.rb312
1 files changed, 312 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..56ca3bc1a9
--- /dev/null
+++ b/railties/test/application/test_runner_test.rb
@@ -0,0 +1,312 @@
+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