GraphQL\Schema::getQueryType PHP Method

    public function getQueryType()
    {
        return $this->queryType;
    }

 public function testDefinesAQueryOnlySchema()
 {
     $blogSchema = new Schema($this->blogQuery);
     $this->assertSame($blogSchema->getQueryType(), $this->blogQuery);
     $articleField = $this->blogQuery->getField('article');
     $this->assertSame($articleField->getType(), $this->blogArticle);
     $this->assertSame($articleField->getType()->name, 'Article');
     $this->assertSame($articleField->name, 'article');
     /** @var ObjectType $articleFieldType */
     $articleFieldType = $articleField->getType();
     $titleField = $articleFieldType->getField('title');
     $this->assertInstanceOf('GraphQL\\Type\\Definition\\FieldDefinition', $titleField);
     $this->assertSame('title', $titleField->name);
     $this->assertSame(Type::string(), $titleField->getType());
     $authorField = $articleFieldType->getField('author');
     $this->assertInstanceOf('GraphQL\\Type\\Definition\\FieldDefinition', $authorField);
     /** @var ObjectType $authorFieldType */
     $authorFieldType = $authorField->getType();
     $this->assertSame($this->blogAuthor, $authorFieldType);
     $recentArticleField = $authorFieldType->getField('recentArticle');
     $this->assertInstanceOf('GraphQL\\Type\\Definition\\FieldDefinition', $recentArticleField);
     $this->assertSame($this->blogArticle, $recentArticleField->getType());
     $feedField = $this->blogQuery->getField('feed');
     $this->assertInstanceOf('GraphQL\\Type\\Definition\\FieldDefinition', $feedField);
     /** @var ListOfType $feedFieldType */
     $feedFieldType = $feedField->getType();
     $this->assertInstanceOf('GraphQL\\Type\\Definition\\ListOfType', $feedFieldType);
     $this->assertSame($this->blogArticle, $feedFieldType->getWrappedType());
 }