PhpUnitTest.php

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<?php
namespace Magento\Test\Event;

class PhpUnitTest extends \PHPUnit\Framework\TestCase
{
    protected $_object;

    protected $_eventManager;

    protected function setUp()
    {
        $this->_eventManager = $this->getMockBuilder(\Magento\TestFramework\EventManager::class)
            ->setMethods(['fireEvent'])
            ->setConstructorArgs([[]])
            ->getMock();
        $this->_object = new \Magento\TestFramework\Event\PhpUnit($this->_eventManager);
    }

    protected function tearDown()
    {
        \Magento\TestFramework\Event\PhpUnit::setDefaultEventManager(null);
    }

    public function testConstructorDefaultEventManager()
    {
        \Magento\TestFramework\Event\PhpUnit::setDefaultEventManager($this->_eventManager);
        $this->_object = new \Magento\TestFramework\Event\PhpUnit();
        $this->testStartTestSuiteFireEvent();
    }

    public function testConstructorException()
    {
        new \Magento\TestFramework\Event\Magento();
    }

    public function testDoNotFireEvent($method)
    {
        $this->_eventManager->expects($this->never())->method('fireEvent');
        $this->_object->{$method}($this, new \PHPUnit\Framework\AssertionFailedError(), 0);
    }

    public function doNotFireEventDataProvider()
    {
        return [
            'method "addError"' => ['addError'],
            'method "addFailure"' => ['addFailure'],
            'method "addIncompleteTest"' => ['addIncompleteTest'],
            'method "addSkippedTest"' => ['addSkippedTest']
        ];
    }

    public function testStartTestSuiteFireEvent()
    {
        $this->_eventManager->expects($this->once())->method('fireEvent')->with('startTestSuite');
        $this->_object->startTestSuite(new \PHPUnit\Framework\TestSuite());
    }

    public function testStartTestSuiteDoNotFireEvent()
    {
        $this->_eventManager->expects($this->never())->method('fireEvent');
        $this->_object->startTestSuite(new \PHPUnit\Framework\DataProviderTestSuite());
    }

    public function testEndTestSuiteFireEvent()
    {
        $this->_eventManager->expects($this->once())->method('fireEvent')->with('endTestSuite');
        $this->_object->endTestSuite(new \PHPUnit\Framework\TestSuite());
    }

    public function testEndTestSuiteDoNotFireEvent()
    {
        $this->_eventManager->expects($this->never())->method('fireEvent');
        $this->_object->endTestSuite(new \PHPUnit\Framework\DataProviderTestSuite());
    }

    public function testStartTestFireEvent()
    {
        $this->_eventManager->expects($this->once())->method('fireEvent')->with('startTest');
        $this->_object->startTest($this);
    }

    public function testStartTestDoNotFireEvent()
    {
        $this->_eventManager->expects($this->never())->method('fireEvent');
     //   $this->_object->startTest(new \PHPUnit\Framework\Warning());
        $this->_object->startTest($this->createMock(\PHPUnit\Framework\Test::class));
    }

    public function testEndTestFireEvent()
    {
        $this->_eventManager->expects($this->once())->method('fireEvent')->with('endTest');
        $this->_object->endTest($this, 0);
    }

    public function testEndTestDoNotFireEvent()
    {
        $this->_eventManager->expects($this->never())->method('fireEvent');
   //     $this->_object->endTest(new \PHPUnit\Framework\Warning(), 0);
        $this->_object->endTest($this->createMock(\PHPUnit\Framework\Test::class), 0);
    }
}