chore(deps): bump test dependencies

test/Directory.Build.targets

@@ -4,7 +4,7 @@
     <IsPackable>false</IsPackable>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
     <NoWarn>$(NoWarn);NU1902;NU1903</NoWarn>
-    <NetTestSdkVersion>17.8.0</NetTestSdkVersion>
+    <NetTestSdkVersion>17.11.1</NetTestSdkVersion>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(TargetFramework)'=='netcoreapp2.1'">
@@ -20,7 +20,7 @@
   <ItemGroup>
     <PackageReference Include="FluentAssertions" Version="6.12.0" />
     <PackageReference Include="NSubstitute" Version="5.1.0" />
-    <PackageReference Include="xunit" Version="2.6.2" />
+    <PackageReference Include="xunit" Version="2.9.0" />
   </ItemGroup>
 
   <ItemGroup Condition="'$(IsTestProject)'=='true'">

test/MockHttp.Server.Tests/Fixtures/CapturingLoggerFactoryFixture.cs

@@ -0,0 +1,230 @@
+using System.Text;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
+using Microsoft.Extensions.Logging.Console;
+using Microsoft.Extensions.Options;
+
+namespace MockHttp.Fixtures;
+
+public delegate void CaptureDelegate(string message);
+
+public class CapturingLoggerFactoryFixture : LoggerFactoryFixture
+{
+    private static readonly AsyncLocal<LogContext?> LogContextLocal = new();
+
+    public CapturingLoggerFactoryFixture()
+        : base(configure => configure
+            .AddConsole(opts => opts.FormatterName = ConsoleCapture.NameKey)
+            .AddConsoleFormatter<ConsoleCapture, ConsoleCaptureOptions>(opts => opts.IncludeScopes = true)
+            .Services.AddSingleton((CaptureDelegate)(message => LogContextLocal.Value?.Events.Add(message)))
+        )
+    {
+    }
+
+    public static LogContext CreateContext()
+    {
+        return LogContextLocal.Value = new LogContext(() => LogContextLocal.Value = null);
+    }
+
+    public sealed class LogContext(Action dispose) : IDisposable
+    {
+        public List<string> Events { get; } = new();
+
+        public void Dispose()
+        {
+            dispose();
+        }
+    }
+
+    private class ConsoleCapture : ConsoleFormatter
+    {
+        internal const string NameKey = "console-capture";
+        private const string LogLevelPadding = ": ";
+        private static readonly string MessagePadding = new(' ', GetLogLevelString(LogLevel.Information).Length + LogLevelPadding.Length);
+        private static readonly string NewLineWithMessagePadding = Environment.NewLine + MessagePadding;
+
+        private readonly CaptureDelegate _onWrite;
+
+        private readonly ConsoleCaptureOptions _options;
+
+        public ConsoleCapture
+        (
+            CaptureDelegate onWrite,
+            IOptions<ConsoleCaptureOptions> options
+        ) : base(NameKey)
+        {
+            _onWrite = onWrite ?? throw new ArgumentNullException(nameof(onWrite));
+            _options = options.Value;
+        }
+
+        public override void Write<TState>(in LogEntry<TState> logEntry, IExternalScopeProvider? scopeProvider, TextWriter textWriter)
+        {
+            var sb = new StringBuilder();
+            textWriter = new StringWriter(sb);
+
+            string? message = logEntry.Formatter(logEntry.State, logEntry.Exception);
+            if (logEntry.Exception is null && message is null)
+            {
+                return;
+            }
+
+            LogLevel logLevel = logEntry.LogLevel;
+            string logLevelString = GetLogLevelString(logLevel);
+
+            string? timestamp = null;
+            string? timestampFormat = _options.TimestampFormat;
+            if (timestampFormat is not null)
+            {
+                DateTimeOffset dateTimeOffset = GetCurrentDateTime();
+                timestamp = dateTimeOffset.ToString(timestampFormat);
+            }
+
+            if (!string.IsNullOrEmpty(timestamp))
+            {
+                textWriter.Write(timestamp);
+            }
+
+            if (!string.IsNullOrEmpty(logLevelString))
+            {
+                textWriter.Write(logLevelString);
+            }
+
+            CreateDefaultLogMessage(textWriter, in logEntry, message, scopeProvider);
+
+            _onWrite(sb.ToString());
+        }
+
+        private void CreateDefaultLogMessage<TState>(TextWriter textWriter, in LogEntry<TState> logEntry, string message, IExternalScopeProvider? scopeProvider)
+        {
+            bool singleLine = _options.SingleLine;
+            int eventId = logEntry.EventId.Id;
+            Exception? exception = logEntry.Exception;
+
+            // Example:
+            // info: ConsoleApp.Program[10]
+            //       Request received
+
+            // category and event id
+            textWriter.Write(LogLevelPadding);
+            textWriter.Write(logEntry.Category);
+            textWriter.Write('[');
+
+#if NETCOREAPP
+            Span<char> span = stackalloc char[10];
+            if (eventId.TryFormat(span, out int charsWritten))
+            {
+                textWriter.Write(span.Slice(0, charsWritten));
+            }
+            else
+#endif
+            {
+                textWriter.Write(eventId.ToString());
+            }
+
+            textWriter.Write(']');
+            if (!singleLine)
+            {
+                textWriter.Write(Environment.NewLine);
+            }
+
+            // scope information
+            WriteScopeInformation(textWriter, scopeProvider, singleLine);
+            WriteMessage(textWriter, message, singleLine);
+
+            // Example:
+            // System.InvalidOperationException
+            //    at Namespace.Class.Function() in File:line X
+            if (exception is not null)
+            {
+                // exception message
+                WriteMessage(textWriter, exception.ToString(), singleLine);
+            }
+
+            if (singleLine)
+            {
+                textWriter.Write(Environment.NewLine);
+            }
+        }
+
+        private static void WriteMessage(TextWriter textWriter, string message, bool singleLine)
+        {
+            if (!string.IsNullOrEmpty(message))
+            {
+                if (singleLine)
+                {
+                    textWriter.Write(' ');
+                    WriteReplacing(textWriter, Environment.NewLine, " ", message);
+                }
+                else
+                {
+                    textWriter.Write(MessagePadding);
+                    WriteReplacing(textWriter, Environment.NewLine, NewLineWithMessagePadding, message);
+                    textWriter.Write(Environment.NewLine);
+                }
+            }
+
+            static void WriteReplacing(TextWriter writer, string oldValue, string newValue, string message)
+            {
+                string newMessage = message.Replace(oldValue, newValue);
+                writer.Write(newMessage);
+            }
+        }
+
+        private void WriteScopeInformation(TextWriter textWriter, IExternalScopeProvider? scopeProvider, bool singleLine)
+        {
+            if (_options.IncludeScopes && scopeProvider is not null)
+            {
+                bool paddingNeeded = !singleLine;
+                scopeProvider.ForEachScope((scope, state) =>
+                    {
+                        if (paddingNeeded)
+                        {
+                            paddingNeeded = false;
+                            state.Write(MessagePadding);
+                            state.Write("=> ");
+                        }
+                        else
+                        {
+                            state.Write(" => ");
+                        }
+
+                        state.Write(scope);
+                    },
+                    textWriter);
+
+                if (!paddingNeeded && !singleLine)
+                {
+                    textWriter.Write(Environment.NewLine);
+                }
+            }
+        }
+
+        private static string GetLogLevelString(LogLevel logLevel)
+        {
+            return logLevel switch
+            {
+                LogLevel.Trace => "trce",
+                LogLevel.Debug => "dbug",
+                LogLevel.Information => "info",
+                LogLevel.Warning => "warn",
+                LogLevel.Error => "fail",
+                LogLevel.Critical => "crit",
+                _ => throw new ArgumentOutOfRangeException(nameof(logLevel))
+            };
+        }
+
+        private DateTimeOffset GetCurrentDateTime()
+        {
+            return _options.UseUtcTimestamp ? DateTimeOffset.UtcNow : DateTimeOffset.Now;
+        }
+    }
+
+    private class ConsoleCaptureOptions : ConsoleFormatterOptions
+    {
+        /// <summary>
+        /// When <see langword="true" />, the entire message gets logged in a single line.
+        /// </summary>
+        public bool SingleLine { get; set; }
+    }
+}

test/MockHttp.Server.Tests/Fixtures/LoggerFactoryFixture.cs

@@ -0,0 +1,53 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+
+namespace MockHttp.Fixtures;
+
+public abstract class LoggerFactoryFixture : IAsyncLifetime, IAsyncDisposable
+{
+    private readonly ServiceProvider _services;
+
+    protected LoggerFactoryFixture(Action<ILoggingBuilder>? configure = null)
+    {
+        _services = new ServiceCollection()
+            .AddLogging(builder =>
+            {
+                builder.SetMinimumLevel(LogLevel.Trace);
+
+                builder
+                    .AddDebug()
+#if NET6_0_OR_GREATER
+                    .AddSimpleConsole(opts => opts.IncludeScopes = true)
+#endif
+                    ;
+
+                configure?.Invoke(builder);
+            })
+            .BuildServiceProvider();
+
+        Factory = _services.GetRequiredService<ILoggerFactory>();
+    }
+
+    public ILoggerFactory Factory { get; }
+
+    public async ValueTask DisposeAsync()
+    {
+        await DisposeAsyncCore();
+        GC.SuppressFinalize(this);
+    }
+
+    Task IAsyncLifetime.InitializeAsync()
+    {
+        return Task.CompletedTask;
+    }
+
+    Task IAsyncLifetime.DisposeAsync()
+    {
+        return DisposeAsync().AsTask();
+    }
+
+    protected virtual async ValueTask DisposeAsyncCore()
+    {
+        await _services.DisposeAsync();
+    }
+}