wip: clean up the core crate after switching to recursive diff engine

packages/core/tests/passthru.rs

@@ -0,0 +1,108 @@
+#![allow(unused, non_upper_case_globals)]
+
+//! Diffing Tests
+//!
+//! These tests only verify that the diffing algorithm works properly for single components.
+//!
+//! It does not validated that component lifecycles work properly. This is done in another test file.
+
+use dioxus::{prelude::*, DomEdit, ScopeId};
+use dioxus_core as dioxus;
+use dioxus_core_macro::*;
+use dioxus_html as dioxus_elements;
+
+mod test_logging;
+
+fn new_dom() -> VirtualDom {
+    const IS_LOGGING_ENABLED: bool = false;
+    test_logging::set_up_logging(IS_LOGGING_ENABLED);
+    VirtualDom::new(|cx| rsx!(cx, "hi"))
+}
+
+use DomEdit::*;
+
+/// Should push the text node onto the stack and modify it
+#[test]
+fn nested_passthru_creates() {
+    fn app(cx: Scope) -> Element {
+        cx.render(rsx! {
+            Child {
+                Child {
+                    Child {
+                        div {
+                            "hi"
+                        }
+                    }
+                }
+            }
+        })
+    };
+
+    #[inline_props]
+    fn Child<'a>(cx: Scope, children: Element<'a>) -> Element {
+        cx.render(rsx! {
+                children
+        })
+    };
+
+    let mut dom = VirtualDom::new(app);
+    let mut channel = dom.get_scheduler_channel();
+    assert!(dom.has_work());
+
+    let edits = dom.rebuild();
+    assert_eq!(
+        edits.edits,
+        [
+            CreateElement { tag: "div", root: 1 },
+            CreateTextNode { text: "hi", root: 2 },
+            AppendChildren { many: 1 },
+            AppendChildren { many: 1 },
+        ]
+    )
+}
+
+/// Should push the text node onto the stack and modify it
+#[test]
+fn nested_passthru_creates_add() {
+    fn app(cx: Scope) -> Element {
+        cx.render(rsx! {
+            Child {
+                "1"
+                Child {
+                    "2"
+                    Child {
+                        "3"
+                        div {
+                            "hi"
+                        }
+                    }
+                }
+            }
+        })
+    };
+
+    #[inline_props]
+    fn Child<'a>(cx: Scope, children: Element<'a>) -> Element {
+        cx.render(rsx! {
+                children
+        })
+    };
+
+    let mut dom = VirtualDom::new(app);
+    let mut channel = dom.get_scheduler_channel();
+    assert!(dom.has_work());
+
+    let edits = dom.rebuild();
+    assert_eq!(
+        edits.edits,
+        [
+            CreateTextNode { text: "1", root: 1 },
+            CreateTextNode { text: "2", root: 2 },
+            CreateTextNode { text: "3", root: 3 },
+            CreateElement { tag: "div", root: 4 },
+            CreateTextNode { text: "hi", root: 5 },
+            AppendChildren { many: 1 },
+            AppendChildren { many: 4 },
+        ]
+    )
+}