@package SimpleTest
// Create a mock object of the database class $databaseMock = $this->getMockBuilder('Database') ->disableOriginalConstructor() ->getMock(); // Set up expectations for the mock object $databaseMock->expects($this->once()) ->method('query') ->with('SELECT * FROM users') ->will($this->returnValue($expectedResultSet)); // Call the code that uses the database object $users = $userService->getAllUsers(); // Assert that the correct data was returned $this->assertEquals($expectedResultSet, $users);
// Create a mock object of the mailer class $mailerMock = $this->getMockBuilder('Mailer') ->disableOriginalConstructor() ->getMock(); // Set up expectations for the mock object $mailerMock->expects($this->once()) ->method('send') ->with($this->equalTo('user@example.com'), $this->equalTo('Subject'), $this->equalTo('Body')) ->will($this->returnValue(true)); // Call the code that uses the mailer object $emailSent = $contactForm->sendEmail('user@example.com', 'Subject', 'Body'); // Assert that the email was sent successfully $this->assertTrue($emailSent);In this example, we create a mock object of the Mailer class and set up expectations for its send method. We then call a code that uses the mailer object to send an email and assert that it returns true to indicate that the email was sent successfully. PHP Mock is part of the PHPUnit testing framework and can be installed via Composer using the "phpunit/phpunit-mock-objects" package.