closes #141

Tests/Library/Validator/RequestValidatorTest.php

@@ -23,7 +23,7 @@ class RequestValidatorTest extends \PHPUnit_Framework_TestCase
 {
 
     /**
-     * @expectedException Youshido\GraphQL\Exception\Parser\InvalidRequestException
+     * @expectedException \Youshido\GraphQL\Exception\Parser\InvalidRequestException
      * @dataProvider invalidRequestProvider
      *
      * @param Request $request
@@ -101,7 +101,7 @@ public function invalidRequestProvider()
                     'variableReferences' => [
                         new VariableReference('test', null, new Location(1, 1))
                     ]
-                ])
+                ], ['test' => 1])
             ],
             [
                 new Request([
@@ -122,7 +122,7 @@ public function invalidRequestProvider()
                         new VariableReference('test', $variable1, new Location(1, 1)),
                         new VariableReference('test2', $variable2, new Location(1, 1))
                     ]
-                ])
+                ], ['test' => 1, 'test2' => 2])
             ]
         ];
     }

Tests/StarWars/StarWarsTest.php

@@ -40,7 +40,7 @@ public function testInvalidVariableType()
                 human(id: $someId) {
                     name
                 }
-            }'
+            }', ['someId' => 1]
         );
 
         $data = $processor->getResponseData();

src/Execution/Request.php

@@ -8,13 +8,16 @@
 namespace Youshido\GraphQL\Execution;
 
 
+use function array_key_exists;
+use Youshido\GraphQL\Exception\Parser\InvalidRequestException;
 use Youshido\GraphQL\Parser\Ast\ArgumentValue\Literal;
 use Youshido\GraphQL\Parser\Ast\ArgumentValue\Variable;
 use Youshido\GraphQL\Parser\Ast\ArgumentValue\VariableReference;
 use Youshido\GraphQL\Parser\Ast\Fragment;
 use Youshido\GraphQL\Parser\Ast\FragmentReference;
 use Youshido\GraphQL\Parser\Ast\Mutation;
 use Youshido\GraphQL\Parser\Ast\Query;
+use Youshido\GraphQL\Parser\Location;
 
 class Request
 {
@@ -63,6 +66,12 @@ public function __construct($data = [], $variables = [])
         }
 
         if (array_key_exists('variableReferences', $data)) {
+            foreach ($data['variableReferences'] as $ref) {
+                if (!array_key_exists($ref->getName(), $variables)) {
+                    throw new InvalidRequestException(sprintf("Variable %s hasn't been submitted", $ref->getName()), $ref->getLocation());
+                }
+            }
+
             $this->addVariableReferences($data['variableReferences']);
         }
 
@@ -208,7 +217,7 @@ public function setVariables($variables)
         }
 
         $this->variables = $variables;
-        foreach($this->variableReferences as $reference) {
+        foreach ($this->variableReferences as $reference) {
             /** invalid request with no variable */
             if (!$reference->getVariable()) continue;
             $variableName = $reference->getVariable()->getName();