Roave / DoctrineSimpleCache

        new SimpleCacheAdapter($doctrineCache);

    }

    public function testGetProxiesToDoctrineFetch()

    {

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

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

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

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

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

        $psrCache = new SimpleCacheAdapter($doctrineCache);

        self::assertSame($value, $psrCache->get($key));

    }

    public function testGetWithNotExistingKey()

    {

     * @param mixed $key

     * @dataProvider validKeys

     */

    public function testGetMultipleAcceptsTraversable($key)

    {

        $values = [

            $key => uniqid('value', true),

        ];

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

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

        $doctrineCache->expects(self::once())->method('fetchMultiple')->with(array_keys($values))->willReturn($values);

        $psrCache = new SimpleCacheAdapter($doctrineCache);

        $psrCache->getMultiple(new \ArrayObject(array_keys($values)));

    }

    public function testGetMultipleThrowsExceptionWhenNotArrayOrTraversable()

    {