80 lines
1.7 KiB
Rust
80 lines
1.7 KiB
Rust
use dioxus::core::ElementId;
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use dioxus::prelude::*;
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use dioxus_native_core::real_dom::RealDom;
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use dioxus_native_core::state::State;
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use dioxus_native_core::tree::*;
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use dioxus_native_core::NodeId;
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use dioxus_native_core_macro::State;
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#[derive(State, Default, Clone)]
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struct Empty {}
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#[test]
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fn remove_node() {
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#[allow(non_snake_case)]
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fn Base(cx: Scope) -> Element {
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render!(div {})
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}
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let vdom = VirtualDom::new(Base);
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let mut dom: RealDom<Empty> = RealDom::new();
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let (create, edit) = vdom.diff_lazynodes(
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rsx! {
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div{
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div{}
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}
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},
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rsx! {
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div{}
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},
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);
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println!("create: {:#?}", create);
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println!("edit: {:#?}", edit);
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let _to_update = dom.apply_mutations(vec![create]);
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assert_eq!(dom.tree.height(NodeId(0)), Some(0));
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assert_eq!(dom.tree.height(NodeId(1)), Some(1));
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dom.apply_mutations(vec![edit]);
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assert_eq!(dom.size(), 3);
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assert_eq!(dom.tree.height(NodeId(0)), Some(0));
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}
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#[test]
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fn add_node() {
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#[allow(non_snake_case)]
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fn Base(cx: Scope) -> Element {
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render!(div {})
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}
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let vdom = VirtualDom::new(Base);
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let (create, update) = vdom.diff_lazynodes(
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rsx! {
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div{}
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},
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rsx! {
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div{
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p{}
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}
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},
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);
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let mut dom: RealDom<Empty> = RealDom::new();
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let _to_update = dom.apply_mutations(vec![create]);
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assert_eq!(dom.size(), 2);
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assert_eq!(dom.tree.height(NodeId(2)), Some(1));
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dom.apply_mutations(vec![update]);
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assert_eq!(dom.size(), 3);
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assert_eq!(dom.tree.height(NodeId(3)), Some(0));
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assert_eq!(dom.tree.height(NodeId(0)), Some(1));
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}
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