ci: test wasm

.github/workflows/tests.yml

@@ -56,3 +56,25 @@ jobs:
         with:
           command: test
 
+  test_wasm:
+    name: Run wasm tests
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - stable
+    steps:
+      - name: Checkout branch
+        uses: actions/checkout@master
+        with:
+          submodules: true
+      - name: Setup Rust toolchain
+        uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          override: true
+      - name: Install wasm-pack
+        run: curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+      - name: Run tests
+        run: wasm-pack test serde_dhall --node

serde_dhall/Cargo.toml

@@ -17,5 +17,8 @@ dhall_proc_macros = { version = "= 0.5.0", path = "../dhall_proc_macros" }
 doc-comment = "0.3"
 url = "2.1"
 
+[target.'cfg(target_arch = "wasm32")'.dev-dependencies]
+wasm-bindgen-test = "0.2"
+
 [dev-dependencies]
 version-sync = "0.8"

serde_dhall/tests/de.rs

@@ -21,7 +21,7 @@ fn test_de_typed() {
     assert_eq!(parse::<f32>("1.0"), 1.0);
 
     assert_eq!(parse::<String>(r#""foo""#), "foo".to_owned());
-    assert_eq!(parse::<Vec<u64>>("[] : List Natural"), vec![]);
+    assert_eq!(parse::<Vec<u64>>("[] : List Natural"), <Vec<u64>>::new());
     assert_eq!(parse::<Vec<u64>>("[1, 2]"), vec![1, 2]);
     assert_eq!(parse::<Option<u64>>("None Natural"), None);
     assert_eq!(parse::<Option<u64>>("Some 1"), Some(1));

serde_dhall/tests/wasm.rs

@@ -0,0 +1,12 @@
+#![cfg(target_arch = "wasm32")]
+use wasm_bindgen_test::*;
+
+use serde_dhall::{from_str, FromDhall, StaticType};
+
+#[wasm_bindgen_test]
+fn test() {
+    fn parse<T: FromDhall + StaticType>(s: &str) -> T {
+        from_str(s).static_type_annotation().parse().unwrap()
+    }
+    assert_eq!(parse::<Vec<u64>>("[1, 2]"), vec![1, 2]);
+}