//! dynamic attributes in dioxus necessitate an allocated node ID. //! //! This tests to ensure we clean it up use dioxus::core::{ElementId, Mutation::*}; use dioxus::prelude::*; #[test] fn attrs_cycle() { let mut dom = VirtualDom::new(|cx| { let id = cx.generation(); match cx.generation() % 2 { 0 => cx.render(rsx! { div {} }), 1 => cx.render(rsx! { div { h1 { class: "{id}", id: "{id}" } } }), _ => unreachable!(), } }); assert_eq!( dom.rebuild().santize().edits, [ LoadTemplate { name: "template", index: 0, id: ElementId(1,) }, AppendChildren { m: 1 }, ] ); dom.mark_dirty_scope(ScopeId(0)); assert_eq!( dom.render_immediate().santize().edits, [ LoadTemplate { name: "template", index: 0, id: ElementId(2,) }, AssignId { path: &[0,], id: ElementId(3,) }, SetAttribute { name: "class", value: "1", id: ElementId(3,), ns: None }, SetAttribute { name: "id", value: "1", id: ElementId(3,), ns: None }, ReplaceWith { id: ElementId(1,), m: 1 }, ] ); dom.mark_dirty_scope(ScopeId(0)); dbg!( dom.render_immediate().santize(), [ LoadTemplate { name: "template", index: 0, id: ElementId(1,) }, ReplaceWith { id: ElementId(2,), m: 1 }, ] ); dom.mark_dirty_scope(ScopeId(0)); assert_eq!( dom.render_immediate().santize().edits, [ LoadTemplate { name: "template", index: 0, id: ElementId(2) }, AssignId { path: &[0], id: ElementId(1) }, SetAttribute { name: "class", value: "3", id: ElementId(1), ns: None }, SetAttribute { name: "id", value: "3", id: ElementId(1), ns: None }, ReplaceWith { id: ElementId(3), m: 1 } ] ); }