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
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_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_test_prepare
app_file "lib/tasks/test.rake", <<-RUBY
namespace :test do
task :prepare do
puts "Hello World"
end
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
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
Dir.chdir(app_path) { `bundle exec rake db:migrate` }
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
end
end
