function testYAMLDeleteClause() { $file = new qio\File(__DIR__ . '/Mock/mock.yml'); $query = new YML\Query(); $query->delete('product')->update($file)->where('quantity', 6); $result = $query(); $query = new YML\Query(); $query->select('product')->from($file)->where('quantity', 6); $result = $query(); $this->assertEquals(0, count($result['product'])); }