Testing...

Author: neonichu

Sources/Workspace/DefaultPluginScriptRunner.swift

@@ -119,6 +119,8 @@ public struct DefaultPluginScriptRunner: PluginScriptRunner, Cancellable {
 
         // We use the toolchain's Swift compiler for compiling the plugin.
         var commandLine = [self.toolchain.swiftCompilerPathForManifests.pathString]
+        
+        observabilityScope.emit(debug: "Using compiler \(self.toolchain.swiftCompilerPathForManifests.pathString)")
 
         // Get access to the path containing the PackagePlugin module and library.
         let pluginLibraryPath = self.toolchain.swiftPMLibrariesLocation.pluginLibraryPath

Tests/SPMBuildCoreTests/PluginInvocationTests.swift

@@ -376,7 +376,7 @@ class PluginInvocationTests: XCTestCase {
                 // Check the serialized diagnostics. We should no longer have an error but now have a warning.
                 let diaFileContents = try localFileSystem.readFileContents(result.diagnosticsFile)
                 let diagnosticsSet = try SerializedDiagnostics(bytes: diaFileContents)
-                XCTAssertEqual(diagnosticsSet.diagnostics.count, 1)
+                XCTAssertEqual(diagnosticsSet.diagnostics.count, 1, "unexpected diagnostics count in \(diagnosticsSet.diagnostics)")
                 let warningDiagnostic = try XCTUnwrap(diagnosticsSet.diagnostics.first)
                 XCTAssertTrue(warningDiagnostic.text.hasPrefix("variable \'unused\' was never used"), "\(warningDiagnostic)")