Support PHPUnit 10.x

[ghostwriter]

Hey @davedevelopment, (and contributors)

currently working on a Mockery Extension for PHPUnit 10 (which explicitly requires PHP 8.1).

---

Mockery needs to do a few things:

• Register a new MockeryExceptionInterface as a "Failure Type" (to be implemented by all Mockery Exception classes)

As of sebastianbergmann/phpunit@74ce5b6, all exceptions thrown in third-party subscribers are ignored.

to communicate to PHPUnit the result of the Mockery Expectation verification; making sure that it is correctly interpreted (as a failure, not as an error) via TestCase::registerFailureType() implemented in sebastianbergmann/phpunit@28766f5 for PHPUnit 10.1.

• Exclude Mockery Directory via PHPUnit\Util\ExcludeList::addDirectory

• Add expectations to be verified via TestCase::addToAssertionCount(Mockery::getContainer()->mockery_getExpectationCount()); before the test starts.

• Verify expectations after the test has finished (checks if Mockery::close() has been called, and let the test fail if it hasn't.)

---

How does it work:

• Bootstrap \Mockery\Adapter\Phpunit\Extension class in phpunit.xml or phpunit.xml.dist.

<extensions>
    <bootstrap class="\Mockery\Adapter\Phpunit\Extension"/>
</extensions>

• Extend \Mockery\Adapter\Phpunit\MockeryTestCase class in your tests.

<?php

declare(strict_types=1);

use Mockery\Adapter\Phpunit\MockeryTestCase;

final class CustomTest extends MockeryTestCase
{
    //  snip
}

---

Deprecated and removed features:

• TestListener
• Testcase::markAsRisky()

---

Do we have any plans to drop support for older versions of PHP?

• PHPUnit 10 uses PHP 8.1 features (eg. never return type declarations which would fail on older versions of PHP.)

Should we follow, a similar path as PHPUnit and raise the minimum required version of PHP to 8.1 for Mockery v2?

What's our desired version path for adding Mockery Extension for PHPUnit 10:

• a new minor (v1.6)
• a new major (v2.x)

should we resurrect Mockery 2.0 discussion?

[simPod]

Suggested change

	"phpunit/phpunit": "^10.1",
	"phpunit/phpunit": "^10.1 || ^11",

should we add v11 as well?