Youshido\GraphQL\Execution\Request::getVariables PHP Method

    public function getVariables()
    {
        return $this->variables;
    }

 public function testSetVariableParseJson()
 {
     $variables = '{"foo": "bar"}';
     $expectedVariableArray = ['foo' => 'bar'];
     $request = new Request([], $variables);
     $this->assertEquals($expectedVariableArray, $request->getVariables());
     $request = new Request();
     $request->setVariables($variables);
     $this->assertEquals($expectedVariableArray, $request->getVariables());
 }