Enable Windows CI

Author: fboemer

.github/workflows/ci.yml

@@ -31,16 +31,28 @@ jobs:
     name: swifttests
     uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
     with:
-      enable_windows_checks: false
-      linux_exclude_swift_versions: "[{\"swift_version\": \"5.9\"}, {\"swift_version\": \"5.10\"}]"
       linux_env_vars: SWIFT_HOMOMORPHIC_ENCRYPTION_ENABLE_BENCHMARKING=1
+      linux_exclude_swift_versions: "[{\"swift_version\": \"5.9\"}, {\"swift_version\": \"5.10\"}]"
       linux_pre_build_command: "apt-get update && apt-get install -y libjemalloc-dev"
       linux_build_command: >
         swift test --configuration release;
         for filename in $(find Snippets -name \*.swift); do
             basename=$(basename "$filename" .swift)
             swift run --configuration release ${basename}
         done
+      windows_env_vars: SWIFT_HOMOMORPHIC_ENCRYPTION_ENABLE_BENCHMARKING=1
+      windows_exclude_swift_versions: "[{\"swift_version\": \"5.9\"}, {\"swift_version\": \"5.10\"}]"
+      #  swift test --configuration release;
+      #         $filenames = Get-ChildItem -Path Snippets\*.swift -Name -Recurse;
+      # $filenames = Get-ChildItem -Path Snippets\* -Include *.swift -Name -Recurse;
+      # ^-- didn't work
+      windows_build_command: >
+        swift test --configuration release;
+        $swiftFiles = Get-ChildItem -Path .\Snippets -Include *.swift -Recurse;
+        foreach ($file in $swiftFiles) {
+            $basename = [System.IO.Path]::GetFileNameWithoutExtension($file.FullName);
+            swift run --configuration release $basename;
+        }
   pre-commit:
     timeout-minutes: 1
     runs-on: ubuntu-22.04

Package.resolved

@@ -213,16 +213,6 @@ let package = Package(
                 "HomomorphicEncryptionProtobuf",
                 "_TestUtilities",
             ], swiftSettings: executableSettings),
-        .testTarget(
-            name: "PIRGenerateDatabaseTests",
-            dependencies: ["PIRGenerateDatabase",
-                           "_TestUtilities",
-                           .product(name: "Numerics", package: "swift-numerics")], swiftSettings: executableSettings),
-        .testTarget(
-            name: "PIRProcessDatabaseTests",
-            dependencies: ["PIRProcessDatabase",
-                           "_TestUtilities",
-                           .product(name: "Numerics", package: "swift-numerics")], swiftSettings: executableSettings),
         .testTarget(
             name: "PrivateInformationRetrievalTests",
             dependencies: [
@@ -245,6 +235,23 @@ let package = Package(
             ], swiftSettings: executableSettings),
     ])
 
+// Workaround SwiftPM's attempt to link in executables which does not work on all
+// platforms.
+#if !os(Windows)
+package.targets.append(contentsOf: [
+    .testTarget(
+        name: "PIRGenerateDatabaseTests",
+        dependencies: ["PIRGenerateDatabase",
+                       "_TestUtilities",
+                       .product(name: "Numerics", package: "swift-numerics")], swiftSettings: executableSettings),
+    .testTarget(
+        name: "PIRProcessDatabaseTests",
+        dependencies: ["PIRProcessDatabase",
+                       "_TestUtilities",
+                       .product(name: "Numerics", package: "swift-numerics")], swiftSettings: executableSettings),
+])
+#endif
+
 // MARK: - Benchmarks
 
 var enableBenchmarking: Bool {