Replaced the "test" static constant for the Logger+Constants extension in the test target with a "test(level: handler: )" function for the Logger+Helpers extension.

Sources/DocCMiddleware/Internal/Protocols/Pathable.swift

@@ -10,7 +10,7 @@
 //
 // ===----------------------------------------------------------------------===
 
-/// A type that provides a relative path representation.
+/// A protocol that provides a relative path representation.
 protocol Pathable {
     
     // MARK: Properties

Tests/DocCMiddleware/Tests/Internal/Extensions/LoggerMetadata+HelpersTests.swift

@@ -79,7 +79,7 @@ private extension LoggerMetadata_HelpersTests {
         redirect: String? = nil
     ) {
         // GIVEN
-        let logger: Logger = .test
+        let logger: Logger = .test()
         let context: MockRequestContext = .init(logger: logger)
         let request: Request = .test(method: method)
         

Tests/DocCMiddleware/Tests/Public/Middlewares/DocCMiddlewareTests.swift

@@ -12,11 +12,11 @@
 
 import Testing
 
+import protocol Hummingbird.FileProvider
+
 import struct Hummingbird.LocalFileSystem
 import struct Logging.Logger
 
-import protocol Hummingbird.FileProvider
-
 @testable import struct DocCMiddleware.DocCMiddleware
 
 @Suite("DocC Middleware", .tags(.middleware))
@@ -79,7 +79,7 @@ private extension DocCMiddlewareTests {
     ///   - fileProvider: A type that conforms to the protocol that defines file system interactions, if any.
     func assertInit(
         configuration: DocCMiddleware.Configuration,
-        logger: Logger = .test,
+        logger: Logger = .test(),
         fileProvider: (any FileProvider)? = nil
     ) {
         // GIVEN

Tests/DocCMiddleware/Types/Extensions/Logger+Constants.swift

@@ -1,32 +0,0 @@
-// ===----------------------------------------------------------------------===
-//
-// This source file is part of the Hummingbird DocC Middleware open source project
-//
-// Copyright (c) 2025 Röck+Cöde VoF. and the Hummingbird DocC Middleware project authors
-// Licensed under the EUPL 1.2 or later.
-//
-// See LICENSE for license information
-// See CONTRIBUTORS for the list of Hummingbird DocC Middleware project authors
-//
-// ===----------------------------------------------------------------------===
-
-import Foundation
-import Logging
-import Testing
-
-extension Logger {
-    
-    // MARK: Constants
-    
-    /// Creates a logger instance that is ready to use in test cases.
-    static let test: Self = {
-        var logger = Logger(label: "test.hummingbird-docc-middleware.logger")
-        
-        logger.logLevel = try! #require(Logger.Level.allCases.randomElement())
-
-        logger[metadataKey: "hb.request.id"] = "\(UUID().uuidString)"
-
-        return logger
-    }()
-    
-}

Tests/DocCMiddleware/Types/Extensions/Logger+Helpers.swift

@@ -0,0 +1,57 @@
+// ===----------------------------------------------------------------------===
+//
+// This source file is part of the Hummingbird DocC Middleware open source project
+//
+// Copyright (c) 2025 Röck+Cöde VoF. and the Hummingbird DocC Middleware project authors
+// Licensed under the EUPL 1.2 or later.
+//
+// See LICENSE for license information
+// See CONTRIBUTORS for the list of Hummingbird DocC Middleware project authors
+//
+// ===----------------------------------------------------------------------===
+
+import Foundation
+import Testing
+
+import protocol Logging.LogHandler
+
+import struct Logging.Logger
+
+extension Logger {
+    
+    // MARK: Functions
+    
+    /// Generates a logger instance that is ready to use in test cases.
+    /// - Parameters:
+    ///   - level: A logger level, if any.
+    ///   - handler: A custom log handler, if any.
+    /// - Returns: A generated logger instance ready to use in test cases.
+    static func test(
+        level: Logger.Level? = nil,
+        handler: (any LogHandler)? = nil
+    ) -> Self {
+        var logger: Logger = if let handler {
+            .init(label: .loggerLabel) { _ in handler }
+        } else {
+            .init(label: .loggerLabel)
+        }
+
+        logger.logLevel = if let level {
+            level
+        } else {
+            try! #require(Logger.Level.allCases.randomElement())
+        }
+
+        logger[metadataKey: "hb.request.id"] = "\(UUID().uuidString)"
+
+        return logger
+    }
+    
+}
+
+// MARK: - Constants
+
+private extension String {
+    /// A label to assign to a test logger instance.
+    static let loggerLabel = "test.hummingbird-docc-middleware.logger"
+}