//! dynamic attributes in dioxus necessitate an allocated node ID. //! //! This tests to ensure we clean it up use dioxus::dioxus_core::{ElementId, Mutation::*}; use dioxus::prelude::*; #[test] fn attrs_cycle() { let mut dom = VirtualDom::new(|| { let id = generation(); match id % 2 { 0 => rsx! { div {} }, 1 => rsx! { div { h1 { class: "{id}", id: "{id}" } } }, _ => unreachable!(), } }); assert_eq!( dom.rebuild_to_vec().santize().edits, [ LoadTemplate { name: "template", index: 0, id: ElementId(1,) }, AppendChildren { m: 1, id: ElementId(0) }, ] ); dom.mark_dirty(ScopeId::ROOT); assert_eq!( dom.render_immediate_to_vec().santize().edits, [ LoadTemplate { name: "template", index: 0, id: ElementId(2,) }, AssignId { path: &[0,], id: ElementId(3,) }, SetAttribute { name: "class", value: "1".into_value(), id: ElementId(3,), ns: None }, SetAttribute { name: "id", value: "1".into_value(), id: ElementId(3,), ns: None }, ReplaceWith { id: ElementId(1,), m: 1 }, ] ); dom.mark_dirty(ScopeId::ROOT); assert_eq!( dom.render_immediate_to_vec().santize().edits, [ LoadTemplate { name: "template", index: 0, id: ElementId(1) }, ReplaceWith { id: ElementId(2), m: 1 } ] ); dom.mark_dirty(ScopeId::ROOT); assert_eq!( dom.render_immediate_to_vec().santize().edits, [ LoadTemplate { name: "template", index: 0, id: ElementId(2) }, AssignId { path: &[0], id: ElementId(3) }, SetAttribute { name: "class", value: dioxus_core::AttributeValue::Text("3".to_string()), id: ElementId(3), ns: None }, SetAttribute { name: "id", value: dioxus_core::AttributeValue::Text("3".to_string()), id: ElementId(3), ns: None }, ReplaceWith { id: ElementId(1), m: 1 } ] ); // we take the node taken by attributes since we reused it dom.mark_dirty(ScopeId::ROOT); assert_eq!( dom.render_immediate_to_vec().santize().edits, [ LoadTemplate { name: "template", index: 0, id: ElementId(1) }, ReplaceWith { id: ElementId(2), m: 1 } ] ); }