Roave / DoctrineSimpleCache

        self::assertNull($psrCache->get($key), null);

    }

    public function testDeleteProxiesToDoctrineDelete()

    {

        $key = uniqid('key', true);

        /** @var FullyImplementedCache|\PHPUnit_Framework_MockObject_MockObject $doctrineCache */

        $doctrineCache = $this->createMock(FullyImplementedCache::class);

        $doctrineCache->expects(self::once())->method('delete')->with($key)->willReturn(true);

        $psrCache = new SimpleCacheAdapter($doctrineCache);

        self::assertTrue($psrCache->delete($key));

    }

    public function testClearProxiesToDeleteAll()

    {

        self::assertFalse($psrCache->deleteMultiple($keys));

    }

    public function testHasProxiesToDoctrineContains()

    {

        $key = uniqid('key', true);

        /** @var FullyImplementedCache|\PHPUnit_Framework_MockObject_MockObject $doctrineCache */

        $doctrineCache = $this->createMock(FullyImplementedCache::class);

        $doctrineCache->expects(self::once())->method('contains')->with($key)->willReturn(true);

        $psrCache = new SimpleCacheAdapter($doctrineCache);

        self::assertTrue($psrCache->has($key));

    }

}