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Vadim Pushtaev
January 23, 2017
Programming
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MR::Go::Admin::Test
Vadim Pushtaev
January 23, 2017
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Transcript
MR::Go::Admin::Test
Go::Admin Go
Go::Admin Go Go Go Go Go Go Go Go Go
Go
xUnit
xUnit SUnit
xUnit SUnit JUnit
xUnit SUnit JUnit unittest
xUnit SUnit JUnit unittest runit
xUnit SUnit JUnit unittest runit rspec
xUnit SUnit JUnit unittest runit rspec Test::Class
xUnit Test Patterns Автор: Месарош Джерард
package MR::Go::Admin::User::Test; sub setup : Test(setup) { my ($self) =
@_; $self->{user} = create_user(); } sub test_delete : Test(2) { my ($self) = @_; $self->{user}->delete(); # ... } Test::Class
Именование классов MR::Go::Admin::User → MR::Go::Admin::User::Test
Именование классов MR::Go::Admin::User → MR::Go::Admin::User::Test *::Test запрещены не в тестах
Именование классов MR::Go::Admin::User → MR::Go::Admin::User::Test *::Test запрещены не в тестах
MR::Go::Admin::User::Test::_FakeUser
Именование методов delete → delete delete → delete__already_deleted _delete →
delete delete → test_delete delete → test_delete__already_deleted _delete → test__delete__already_deleted Двойное подчеркивание
https://goo.gl/tBIRwZ sub _set_status { my ($self, $status) = @_; $self->_status($status);
$self->_history->add($status); $self->_log('...'); } sub set_status_processing { return shift->_set_status('processing'); } sub set_status_processed { return shift->_set_status('processing'); } Тестирование приватных методов
Структура теста
Структура теста Arrange Act Assert
Структура теста Arrange Act Assert Setup Exercise Verify Teardown
База
База Поддельная база
База Поддельная база SQLite
База Поддельная база SQLite Настоящая база
База Поддельная база SQLite Настоящая база Test::DBIx::Class
Fixtures
Fixtures Копия реальной базы
Fixtures Копия реальной базы Слепок реальной базы
Fixtures Копия реальной базы Слепок реальной базы Искусственно подготовленный слепок
Fixtures Копия реальной базы Слепок реальной базы Искусственно подготовленный слепок
Пустая база
Fixtures Копия реальной базы Слепок реальной базы Искусственно подготовленный слепок
Пустая база Фабрики
package MR::Go::Admin::UserFactory; use base qw(DBIx::Class::Factory); __PACKAGE__->resultset(MR::Go::Admin:: Schema->resultset('User')); __PACKAGE__->fields({ name =>
__PACKAGE__->seq(sub {'User #' . shift}), city => __PACKAGE__->related_factory('MR::Go::Admin::CityFactory'), status => 'new', }); DBIx::Class::Factory
package MR::Go::Admin::UserFactory; use base qw(DBIx::Class::Factory); __PACKAGE__->resultset(MR::Go::Admin:: Schema->resultset('User')); __PACKAGE__->fields({ name =>
__PACKAGE__->seq(sub {'User #' . shift}), city => __PACKAGE__->related_factory('MR::Go::Admin::CityFactory'), status => 'new', }); https://goo.gl/tBIRwZ DBIx::Class::Factory
Фабрика в деле sub set_status : Test(1) { my ($self)
= @_; my $task = MR::Admin::Go::Test::Factory::Task->create(); $task->set_status('TEST_NEW_STATUS'); is($task->status, 'TEST_NEW_STATUS', 'status'); return; }
Транзакции
Транзакции setup = BEGIN
Транзакции setup = BEGIN teardown = ROLLBACK
Транзакции setup = BEGIN teardown = ROLLBACK $self->break_db();
Test doubles
Test doubles Mock
Test doubles Mock Spy
Test doubles Mock Spy Stub
Test doubles Mock Spy Stub Dummy
Моки с магией my $mock = Test::MockModule->new('MR::Go::Admin::SMS'); my $sent =
0; $mock->mock(_send => sub { $sent = 1 });
Моки с магией local *MR::Go::Admin::SMS::_send = sub { $sent++ };
my $mock = Test::MockModule->new('MR::Go::Admin::SMS'); my $sent = 0; $mock->mock(_send => sub { $sent = 1 });
Моки без магии package MR::Go::Admin::User::Test::_FakeUser; MR::Go::Admin::User::Test::_FakeUser->new(); bless $user, 'MR::Go::Admin::User::Test::_FakeUser';
Моки без магии has _logger => (default => sub {
'...' }); User->new({_logger => $fake_logger}); User->new({_message_size_limit => 42}); package MR::Go::Admin::User::Test::_FakeUser; MR::Go::Admin::User::Test::_FakeUser->new(); bless $user, 'MR::Go::Admin::User::Test::_FakeUser';
Asserts is($node->children->count, 0, 'leaf node');
Asserts is($node->children->count, 0, 'leaf node'); is($rating, 42); cmp_ok($status, 'eq', 'processed');
ok($user->deleted);
is($node->children->count, 0, 'leaf node'); is($rating, 42); cmp_ok($status, 'eq', 'processed'); ok($user->deleted);
Asserts use Test::Deep;
cmp_deeply( $users, bag($user1, $user2) ); cmp_deeply( $user, methods( rating =>
42, blocked => bool(0), ) ); Test::Deep
Спасибо Вадим Пуштаев
[email protected]
https://goo.gl/SNrhWp Дизайн Максим Гелета
Бонус: ExportCatcher { package MR:Go::Admin::Test::_ExportCatcher; use MR::Go::Admin::Schema; use Test::DBIx::Class; }