Youshido\Tests\Schema\ProcessorTest::testComplexityReducer PHP Метод

    public function testComplexityReducer()
    {
        $schema = new Schema(['query' => new ObjectType(['name' => 'RootQuery', 'fields' => ['me' => ['type' => new ObjectType(['name' => 'User', 'fields' => ['firstName' => ['type' => new StringType(), 'args' => ['shorten' => new BooleanType()], 'resolve' => function ($value, $args) {
            return empty($args['shorten']) ? $value['firstName'] : $value['firstName'];
        }], 'lastName' => new StringType(), 'code' => new StringType(), 'likes' => ['type' => new IntType(), 'cost' => 10, 'resolve' => function () {
            return 42;
        }]]]), 'cost' => function ($args, $context, $childCost) {
            $argsCost = isset($args['cost']) ? $args['cost'] : 1;
            return 1 + $argsCost * $childCost;
        }, 'resolve' => function ($value, $args) {
            $data = ['firstName' => 'John', 'code' => '007'];
            return $data;
        }, 'args' => ['cost' => ['type' => new IntType(), 'default' => 1]]]]])]);
        $processor = new Processor($schema);
        $processor->setMaxComplexity(10);
        $processor->processPayload('{ me { firstName, lastName } }');
        $this->assertArrayNotHasKey('error', $processor->getResponseData());
        $processor->processPayload('{ me { } }');
        $this->assertEquals(['errors' => [['message' => 'Unexpected token "RBRACE"', 'locations' => [['line' => 1, 'column' => 10]]]]], $processor->getResponseData());
        $processor->getExecutionContext()->clearErrors();
        $processor->processPayload('{ me { firstName, likes } }');
        $this->assertEquals(['errors' => [['message' => 'query exceeded max allowed complexity of 10']]], $processor->getResponseData());
        $processor->getExecutionContext()->clearErrors();
        // don't let complexity reducer affect query errors
        $processor->processPayload('{ me { badfield } }');
        $this->assertArraySubset(['errors' => [['message' => 'Field "badfield" not found in type "User"']]], $processor->getResponseData());
        $processor->getExecutionContext()->clearErrors();
        foreach (range(1, 5) as $cost_multiplier) {
            $visitor = new MaxComplexityQueryVisitor(1000);
            // arbitrarily high cost
            $processor->processPayload("{ me (cost: {$cost_multiplier}) { firstName, lastName, code, likes } }", ['cost' => $cost_multiplier], [$visitor]);
            $expected = 1 + 13 * (1 + $cost_multiplier);
            $this->assertEquals($expected, $visitor->getMemo());
        }
        // TODO, variables not yet supported
        /*$query = 'query costQuery ($cost: Int) { me (cost: $cost) { firstName, lastName, code, likes } }';
          foreach (range(1,5) as $cost_multiplier) {
            $visitor = new \Youshido\GraphQL\Execution\Visitor\MaxComplexityQueryVisitor(1000); // arbitrarily high cost
            $processor->processPayload($query, ['cost' => $cost_multiplier], [$visitor]);
            $expected = 1 + 13 * (1 + $cost_multiplier);
            $this->assertEquals($expected, $visitor->getMemo());
          }*/
    }