Elastica\Bulk::toString PHP Method

    public function toString()
    {
        $data = '';
        foreach ($this->getActions() as $action) {
            $data .= $action->toString();
        }
        return $data;
    }

    /**
     * @group functional
     */
    public function testRawDocumentDataRequest()
    {
        $index = $this->_createIndex();
        $type = $index->getType('bulk_test');
        $client = $index->getClient();
        $documents = array(new Document(null, '{"name":"Mister Fantastic"}'), new Document(null, '{"name":"Invisible Woman"}'), new Document(null, '{"name":"The Human Torch"}'));
        $bulk = new Bulk($client);
        $bulk->addDocuments($documents);
        $bulk->setType($type);
        $expectedJson = '{"index":{}}
{"name":"Mister Fantastic"}
{"index":{}}
{"name":"Invisible Woman"}
{"index":{}}
{"name":"The Human Torch"}
';
        $expectedJson = str_replace(PHP_EOL, "\n", $expectedJson);
        $this->assertEquals($expectedJson, $bulk->toString());
        $response = $bulk->send();
        $this->assertTrue($response->isOk());
        $type->getIndex()->refresh();
        $response = $type->search();
        $this->assertEquals(3, $response->count());
        foreach (array('Mister', 'Invisible', 'Torch') as $name) {
            $result = $type->search($name);
            $this->assertEquals(1, count($result->getResults()));
        }
    }