protected function setUp()
{
$typeName = Cache::TYPE_NAME;
$this->type = $this->prophesize('\\Elastica\\Type');
$this->type->request(Argument::any(), Argument::cetera())->willReturn(true);
$this->type->getName()->willReturn($typeName);
$this->index = $this->prophesize('\\Elastica\\Index');
$this->index->getType($typeName)->willReturn($this->type->reveal());
$this->index->exists()->willReturn(true);
$nsDoc = new Document('DoctrineNamespaceCacheKey[]', [Cache::VALUE_FIELD => serialize($this->namespaceId)]);
$this->type->getIndex()->willReturn($this->index->reveal());
$this->type->getDocument("DoctrineNamespaceCacheKey[]")->willReturn($nsDoc);
$this->client = $this->prophesize('\\Elastica\\Client');
$this->client->getIndex($this->indexName)->willReturn($this->index->reveal());
$this->cache = new Cache($this->client->reveal(), ['index' => $this->indexName]);
}