use skyscraper::{html, xpath}; #[test] fn parent_axis_should_select_parent_node() { // arrange let text = r###" "###; let document = html::parse(&text).unwrap(); let xpath_item_tree = xpath::XpathItemTree::from(&document); let xpath = xpath::parse("//body/parent::html").unwrap(); // act let nodes = xpath.apply(&xpath_item_tree).unwrap(); // assert assert_eq!(nodes.len(), 1); let mut nodes = nodes.into_iter(); // assert node { let tree_node = nodes.next().unwrap().extract_into_node(); let element = tree_node.extract_as_element_node(); assert_eq!(element.name, "html"); } } #[test] fn parent_axis_should_select_parents_of_all_selected_nodes() { // arrange // `not-p` is not selected by the initial `//p` query, so its parent `div` should not be selected by the parent axis. let text = r###"

"###; let document = html::parse(&text).unwrap(); let xpath_item_tree = xpath::XpathItemTree::from(&document); let xpath = xpath::parse("//p/parent::div").unwrap(); // act let nodes = xpath.apply(&xpath_item_tree).unwrap(); // assert assert_eq!(nodes.len(), 2); let mut nodes = nodes.into_iter(); // assert node { let tree_node = nodes.next().unwrap().extract_into_node(); let element = tree_node.extract_as_element_node(); assert_eq!(element.name, "div"); assert_eq!(element.get_attribute(&xpath_item_tree, "id"), Some("1")); } // assert node { let tree_node = nodes.next().unwrap().extract_into_node(); let element = tree_node.extract_as_element_node(); assert_eq!(element.name, "div"); assert_eq!(element.get_attribute(&xpath_item_tree, "id"), Some("2")); } } /// The node test (ex. `div`) is applied to the parent of the context node. #[test] fn parent_axis_should_respect_node_test() { // arrange // `not-div` does not match the node test of `div`, so it should not be selected. let text = r###"