GraphQL\Tests\Validator\NoUndefinedVariablesTest::testVariableInFragmentNotDefinedByOperation PHP Method

    public function testVariableInFragmentNotDefinedByOperation()
    {
        $this->expectFailsRule(new NoUndefinedVariables(), '
      query Foo($a: String, $b: String) {
        ...FragA
      }
      fragment FragA on Type {
        field(a: $a) {
          ...FragB
        }
      }
      fragment FragB on Type {
        field(b: $b) {
          ...FragC
        }
      }
      fragment FragC on Type {
        field(c: $c)
      }
        ', [$this->undefVar('c', 16, 18, 'Foo', 2, 7)]);
    }