Get tests on CI for wasm/wasi

Author: alexcrichton

.github/workflows/psm.yml

@@ -255,32 +255,3 @@ jobs:
         with:
           command: build
           args: --target=${{ matrix.rust_target }} --manifest-path=psm/Cargo.toml
-
-  cross-build-without-std:
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        rust_target:
-          - wasm32-wasi
-          # cannot be built because cross-toolchains are not easily available and LLVM fails
-          # generating code when building libcore anyway...?
-          # - sparcv9-sun-solaris
-          # - sparc-unknown-linux-gnu
-    timeout-minutes: 10
-    steps:
-      - uses: actions/checkout@v2
-      - name: Install Rust nightly
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: nightly
-            profile: minimal
-            default: true
-      - name: Fix-up toolchain
-        run: |
-            rustup component add rust-src --toolchain nightly --target ${{ matrix.rust_target }}
-      - name: Build ${{ matrix.rust_target }}
-        uses: actions-rs/cargo@v1
-        with:
-          command: build
-          args: --target ${{ matrix.rust_target }} --manifest-path=psm/Cargo.toml -Zbuild-std=core

.github/workflows/stacker.yml

@@ -141,7 +141,6 @@ jobs:
           - i686-unknown-freebsd
           - x86_64-unknown-freebsd
           - x86_64-unknown-netbsd
-          - wasm32-wasi
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v2
@@ -181,3 +180,21 @@ jobs:
         with:
           command: build
           args: --target=${{ matrix.rust_target }}
+
+  wasm-test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v1
+      - name: Install Rust nightly
+        uses: actions-rs/toolchain@v1
+        with:
+            toolchain: nightly
+            default: true
+      - run: rustup target add wasm32-wasi
+      - run: |
+          curl -Lf https://github.com/bytecodealliance/wasmtime/releases/download/v0.19.0/wasmtime-v0.19.0-x86_64-linux.tar.xz | tar xJf - -C ${{ runner.tool_cache }}
+          echo ::add-path::${{ runner.tool_cache }}/wasmtime-v0.19.0-x86_64-linux
+          echo ::set-env name=CARGO_BUILD_TARGET::wasm32-wasi
+          echo ::set-env name=CARGO_TARGET_WASM32_WASI_RUNNER::wasmtime run --
+      - run: cargo test --target wasm32-wasi --all -- --nocapture

tests/simple.rs

@@ -18,5 +18,10 @@ fn recurse(n: usize) {
 
 #[test]
 fn foo() {
-    recurse(10000);
+    let limit = if cfg!(target_arch = "wasm32") {
+        2000
+    } else {
+        10000
+    };
+    recurse(limit);
 }

tests/smoke.rs

@@ -21,10 +21,16 @@ fn deep() {
         }
     }
 
-    foo(256 * 1024, &mut []);
+    let limit = if cfg!(target_arch = "wasm32") {
+        2000
+    } else {
+        256 * 1024
+    };
+    foo(limit, &mut []);
 }
 
 #[test]
+#[cfg_attr(target_arch = "wasm32", ignore)]
 fn panic() {
     fn foo(n: usize, s: &mut [u8]) {
         __stacker_black_box(s.as_ptr());
@@ -60,6 +66,7 @@ fn recursive<F: FnOnce()>(n: usize, f: F) -> usize {
 }
 
 #[test]
+#[cfg_attr(target_arch = "wasm32", ignore)]
 fn catch_panic() {
     let panic_result = std::panic::catch_unwind(|| {
         recursive(100, || panic!());
@@ -68,6 +75,7 @@ fn catch_panic() {
 }
 
 #[test]
+#[cfg_attr(target_arch = "wasm32", ignore)]
 fn catch_panic_inside() {
     stacker::grow(64 * 1024, || {
         let panic_result = std::panic::catch_unwind(|| {
@@ -78,6 +86,7 @@ fn catch_panic_inside() {
 }
 
 #[test]
+#[cfg_attr(target_arch = "wasm32", ignore)]
 fn catch_panic_leaf() {
     stacker::grow(64 * 1024, || {
         let panic_result = std::panic::catch_unwind(|| panic!());