Add Wasm CI.

.github/workflows/ci.yml

@@ -45,6 +45,30 @@ jobs:
       - name: Run tests (release)
         run: swift test -c release --parallel
 
+  wasm:
+    name: SwiftWasm
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        toolchain:
+          - wasm-5.9.2-RELEASE
+          - wasm-5.10.0-RELEASE 
+    steps:
+      - name: Cache toolchains
+        uses: actions/cache@v3
+        with:
+          path: ~/Library/Developer/Toolchains
+          key: ${{ matrix.toolchain }}
+      - uses: actions/checkout@v4
+      - uses: bytecodealliance/actions/wasmtime/setup@v1
+      - uses: swiftwasm/setup-swiftwasm@v1
+        with:
+          swift-version: ${{ matrix.toolchain }}
+      - name: Build tests
+        run: swift build --triple wasm32-unknown-wasi --build-tests -Xlinker -z -Xlinker stack-size=$((1024 * 1024))
+      - name: Run tests
+        run: wasmtime .build/debug/swift-case-pathsPackageTests.wasm
+
   # windows:
   #   name: Windows (Swift ${{ matrix.swift }}, ${{ matrix.config }})
   #   strategy:

Package.swift

@@ -46,7 +46,21 @@ let package = Package(
       name: "CasePathsMacrosTests",
       dependencies: [
         "CasePathsMacros",
-        .product(name: "MacroTesting", package: "swift-macro-testing"),
+        .product(
+          name: "MacroTesting",
+          package: "swift-macro-testing",
+          condition: .when(
+            platforms: [
+              .iOS,
+              .linux,
+              .macCatalyst,
+              .macOS,
+              .tvOS,
+              .watchOS,
+              .windows,
+            ]
+          )
+        ),
       ]
     ),
   ]

Package@swift-6.0.swift

@@ -46,7 +46,21 @@ let package = Package(
       name: "CasePathsMacrosTests",
       dependencies: [
         "CasePathsMacros",
-        .product(name: "MacroTesting", package: "swift-macro-testing"),
+        .product(
+          name: "MacroTesting",
+          package: "swift-macro-testing",
+          condition: .when(
+            platforms: [
+              .iOS,
+              .linux,
+              .macCatalyst,
+              .macOS,
+              .tvOS,
+              .watchOS,
+              .windows,
+            ]
+          )
+        ),
       ]
     ),
   ],

Tests/CasePathsMacrosTests/CasePathableMacroTests.swift

@@ -1,3 +1,4 @@
+#if canImport(MacroTesting)
 import CasePathsMacros
 import MacroTesting
 import SwiftSyntaxMacros
@@ -1294,3 +1295,4 @@ final class CasePathableMacroTests: XCTestCase {
     }
   }
 }
+#endif