Mocking class with method 'provide' fails since 6.5.x

[frederikbosch]

Q	A
PHPUnit version	6.5.0-1
PHP version	7.1.12
Installation Method	Composer

Since version 6.5.0 I have problems with mocking a specific class: DomainProviderInterface. It seems to be related to the method provide that is part of the class.

namespace Genkgo\TestFramework;

use PHPUnit\Framework\TestCase;

final class DomainNameCollection {}

interface DomainProviderInterface {
    public function provide(): DomainNameCollection;
    public function persist(DomainNameCollection $domains): void;
}

final class Test extends TestCase {
    public function test() {
        $mock = $this->createMock(DomainProviderInterface::class);
        $this->assertInstanceOf(DomainProviderInterface::class, $mock);
    }
}

Above code works in 6.4.x, but fails in 6.5.x. I tested both 6.5.0 and 6.5.1.

[sebastianbergmann]

This should have been reported on the phpunit-mock-objects project.

I am sorry that I have to close this issue here as GitHub does not support moving issues from one project to another.

[frederikbosch]

Thanks, see sebastianbergmann/phpunit-mock-objects#388 now.