validator = new Select( attributes: [ new Document([ 'key' => 'attr', 'type' => Database::VAR_STRING, 'array' => false, ]), ], ); } public function tearDown(): void { } public function testValue(): void { // Test for Success $this->assertEquals($this->validator->isValid(Query::select(['*', 'attr'])), true, $this->validator->getDescription()); // Test for Failure $this->assertEquals($this->validator->isValid(Query::limit(1)), false, $this->validator->getDescription()); } }