使用phpspec在命令处理程序中测试工厂方法 [英] Testing factory method in command handler with phpspec

问题描述

如何测试静态方法，它是infact的工厂方法：

How to test static methods which are infact factory methods:

public function hireEmployee(HireEmployeeCommand $command)
{
    $username = new EmployeeUsername($command->getUsername());
    $firstName = $command->getFirstName();
    $lastName = $command->getLastName();
    $phoneNumber = new PhoneNumber($command->getPhoneNumber());
    $email = new Email($command->getEmail());
    $role = new EmployeeRole($command->getRole());

    if ($role->isAdmin()) {
        $employee = Employee::hireAdmin($username, $firstName, $lastName, $phoneNumber, $email);
    } else {
        $employee = Employee::hirePollster($username, $firstName, $lastName, $phoneNumber, $email);
    }

    $this->employeeRepository->add($employee);
}

这里我不能模仿 Employee object，但我可以为预期的员工模拟 EmployeeRepository :: add（）方法，但是我再次检查Employee的状态： / p>



Here I can't mock the Employee object, but I can mock the EmployeeRepository::add() method for the expected employee but then I'm again checking the state of the Employee:

public function it_hires_an_admin()
{
    $this->employeeRepository
        ->add(Argument::that(/** callback for checking state of Employee object */))
        ->shouldBeCalled();

    $this->hireEmployee(
        new HireEmployeeCommand(self::USERNAME, 'John', 'Snow', '123456789', '[e-mail]', EmployeeRole::ROLE_ADMIN)
    );
}

$ b $ p我知道我再次嘲笑了仓库，而不是存根。但是在这里我更感兴趣的是employee将被添加到仓库而不是如何创建它。因为我应该模拟存储库，但我不应该关心 Employee （没有 Argument :: that（））？看起来合理，但是我不能确定创建的Employee是否正确。

I'm aware that again I mocked the repository instead of stub it. But here I'm more interested in employee will be added to the repository instead of how it would be created. Because of that I should mock the repository but I shouldn't care about the state of the Employee (without Argument::that())? Looks reasonable, but then I can't be sure that the created Employee is correct.

推荐答案

stub也不会模拟你的实体或值对象，因为它们没有在规范中显示的行为：

You don't really need to stub nor mock your entities or value objects, as there's no behaviour they exhibit in the spec:

public function it_hires_an_admin()
{
    $this->employeeRepository
        ->add(Argument::is(
            Employee::hireAdmin(self::USERNAME, 'John', 'Snow', '123456789', '[e-mail]')
        ))
        ->shouldBeCalled();

    $this->hireEmployee(
        new HireEmployeeCommand(
            self::USERNAME, 'John', 'Snow', '123456789', '[e-mail]', EmployeeRole::ROLE_ADMIN
        )
    );
}

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