Introduce a crate to write unit tests of Dioxus apps

Cargo.toml

@@ -49,6 +49,7 @@ members = [
     "packages/asset-resolver",
     "packages/depinfo",
     "packages/component-manifest",
+    "packages/test",
 
     # CLI harnesses, all included
     "packages/cli-harnesses/*",
@@ -209,6 +210,7 @@ wgpu_context = { version = "0.1", default-features = false }
 wgpu = { version = "26.0" }
 vello = "0.6"
 bevy = "0.17"
+taffy = "0.9.2"
 
 
 # a fork of pretty please for tests - let's get off of this if we can!
@@ -220,7 +222,7 @@ tracing = "0.1.41"
 tracing-futures = "0.2.5"
 tracing-subscriber = { version = "0.3.19", default-features = false }
 toml = "0.8"
-tokio = "1.48"
+tokio = { version = "1.48", features = ["time"] }
 tokio-util = { version = "0.7.15" }
 tokio-stream = { version = "0.1.17" }
 slab = "0.4.10"

packages/native-dom/src/events.rs

@@ -1,3 +1,4 @@
+use blitz_dom::Node;
 use blitz_traits::events::{BlitzKeyEvent, BlitzMouseButtonEvent, MouseEventButton};
 use dioxus_html::{
     geometry::{ClientPoint, ElementPoint, PagePoint, ScreenPoint},
@@ -229,3 +230,7 @@ impl HasFocusData for NativeFocusData {
         self as &dyn std::any::Any
     }
 }
+
+pub fn synthetic_click_event(node: &Node, modifiers: Modifiers) -> Box<dyn Any> {
+    Box::new(NativeClickData(node.synthetic_click_event_data(modifiers)))
+}

packages/native-dom/src/lib.rs

@@ -14,6 +14,7 @@ mod events;
 mod mutation_writer;
 pub use blitz_dom::DocumentConfig;
 pub use dioxus_document::DioxusDocument;
+pub use events::synthetic_click_event;
 
 use blitz_dom::{ns, LocalName, Namespace, QualName};
 type NodeId = usize;

packages/test/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "dioxus-test"
+version = { workspace = true }
+authors = ["Bradford Hovinen"]
+edition = "2024"
+description = "Test library for Dioxus based on native renderer"
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/DioxusLabs/dioxus/"
+homepage = "https://dioxuslabs.com/learn/0.7/getting_started"
+keywords = ["dom", "ui", "gui", "react", "testing"]
+
+[dependencies]
+blitz-dom = { workspace = true }
+dioxus-core = { workspace = true }
+dioxus-html = { workspace = true }
+dioxus-native-dom = { workspace = true }
+taffy = { workspace = true }
+tokio = { workspace = true }
+tracing = { workspace = true }
+
+[dev-dependencies]
+dioxus = { workspace = true }
+tokio = { version = "1.48", features = ["rt", "macros"] }