chore: add miri and windows test

.github/workflows/miri.yml

@@ -0,0 +1,72 @@
+name: CI
+
+on:
+  push:
+    # Run in PRs and for bors, but not on master.
+    branches:
+      - 'auto'
+      - 'try'
+  pull_request:
+    branches:
+      - 'master'
+  schedule:
+    - cron: '6 6 * * *' # At 6:06 UTC every day.
+
+env:
+  CARGO_UNSTABLE_SPARSE_REGISTRY: 'true'
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    env:
+      RUST_BACKTRACE: 1
+      HOST_TARGET: ${{ matrix.host_target }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-latest
+            host_target: i686-pc-windows-msvc
+    steps:
+      - uses: actions/checkout@v3
+
+      # Cache the global cargo directory, but NOT the local `target` directory which
+      # we cannot reuse anyway when the nightly changes (and it grows quite large
+      # over time).
+      - name: Add cache for cargo
+        id: cache
+        uses: actions/cache@v3
+        with:
+          path: |
+            # Taken from <https://doc.rust-lang.org/nightly/cargo/guide/cargo-home.html#caching-the-cargo-home-in-ci>.
+            ~/.cargo/bin
+            ~/.cargo/registry/index
+            ~/.cargo/registry/cache
+            ~/.cargo/git/db
+            # contains package information of crates installed via `cargo install`.
+            ~/.cargo/.crates.toml
+            ~/.cargo/.crates2.json
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: ${{ runner.os }}-cargo
+
+      - name: Install rustup-toolchain-install-master
+        if: ${{ steps.cache.outputs.cache-hit != 'true' }}
+        shell: bash
+        run: |
+          cargo install -f rustup-toolchain-install-master
+      - name: Install "master" toolchain
+        shell: bash
+        run: |
+          if [[ ${{ github.event_name }} == 'schedule' ]]; then
+            echo "Building against latest rustc git version"
+            git ls-remote https://github.com/rust-lang/rust/ HEAD | cut -f 1 > rust-version
+          fi
+          ./miri toolchain --host ${{ matrix.host_target }}
+      - name: Show Rust version
+        run: |
+          rustup show
+          rustc -Vv
+          cargo -V
+      - name: Test
+        run: |
+          MIRIFLAGS="-Zmiri-disable-isolation -Zmiri-ignore-leaks" cargo +nightly miri test --package dioxus-core --test miri_stress  -- --exact --nocapture

packages/core/tests/miri_stress.rs

@@ -137,6 +137,83 @@ fn free_works_on_root_hooks() {
     assert_eq!(Rc::strong_count(&ptr), 1);
 }
 
+#[test]
+fn supports_async() {
+    use std::time::Duration;
+    use tokio::time::sleep;
+
+    fn app(cx: Scope) -> Element {
+        let colors = use_state(&cx, || vec!["green", "blue", "red"]);
+        let padding = use_state(&cx, || 10);
+
+        use_effect(&cx, colors, |colors| async move {
+            sleep(Duration::from_millis(1000)).await;
+            colors.with_mut(|colors| colors.reverse());
+        });
+
+        use_effect(&cx, padding, |padding| async move {
+            sleep(Duration::from_millis(10)).await;
+            padding.with_mut(|padding| {
+                if *padding < 65 {
+                    *padding += 1;
+                } else {
+                    *padding = 5;
+                }
+            });
+        });
+
+        let big = colors[0];
+        let mid = colors[1];
+        let small = colors[2];
+
+        cx.render(rsx! {
+            div {
+                background: "{big}",
+                height: "stretch",
+                width: "stretch",
+                padding: "50",
+                label {
+                    "hello",
+                }
+                div {
+                    background: "{mid}",
+                    height: "auto",
+                    width: "stretch",
+                    padding: "{padding}",
+                    label {
+                        "World",
+                    }
+                    div {
+                        background: "{small}",
+                        height: "auto",
+                        width: "stretch",
+                        padding: "20",
+                        label {
+                            "ddddddd",
+                        }
+                    }
+                },
+            }
+        })
+    }
+
+    let rt = tokio::runtime::Builder::new_current_thread()
+        .enable_time()
+        .build()
+        .unwrap();
+
+    rt.block_on(async {
+        let mut dom = VirtualDom::new(app);
+        let _ = dom.rebuild();
+
+        for x in 0..10 {
+            let _ = dom.wait_for_work().await;
+            let edits = dom.render_immediate();
+            dbg!(edits);
+        }
+    });
+}
+
 // #[test]
 // fn old_props_arent_stale() {
 //     fn app(cx: Scope) -> Element {