opentelemetry-dotnet/test/OpenTelemetry.Extensions.Se.../OpenTelemetrySerilogSinkTes...

302 lines
11 KiB
C#

// <copyright file="OpenTelemetrySerilogSinkTests.cs" company="OpenTelemetry Authors">
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// </copyright>
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using Microsoft.Extensions.Logging;
using OpenTelemetry.Logs;
using Serilog;
using Xunit;
using ILogger = Serilog.ILogger;
namespace OpenTelemetry.Extensions.Serilog.Tests
{
public class OpenTelemetrySerilogSinkTests
{
[Theory]
[InlineData(true)]
[InlineData(false)]
public void SerilogDisposesProviderTests(bool dispose)
{
List<LogRecord> exportedItems = new();
#pragma warning disable CA2000 // Dispose objects before losing scope
var openTelemetryLoggerProvider = new WrappedOpenTelemetryLoggerProvider(options =>
{
options.AddInMemoryExporter(exportedItems);
});
#pragma warning restore CA2000 // Dispose objects before losing scope
Log.Logger = new LoggerConfiguration()
.WriteTo.OpenTelemetry(openTelemetryLoggerProvider, disposeProvider: dispose)
.CreateLogger();
Log.CloseAndFlush();
Assert.Equal(dispose, openTelemetryLoggerProvider.Disposed);
if (!dispose)
{
openTelemetryLoggerProvider.Dispose();
}
Assert.True(openTelemetryLoggerProvider.Disposed);
}
[Theory]
[InlineData(true)]
[InlineData(false)]
public void SerilogBasicLogTests(bool includeFormattedMessage)
{
List<LogRecord> exportedItems = new();
#pragma warning disable CA2000 // Dispose objects before losing scope
var openTelemetryLoggerProvider = new OpenTelemetryLoggerProvider(options =>
{
options.IncludeFormattedMessage = includeFormattedMessage;
options.AddInMemoryExporter(exportedItems);
});
#pragma warning restore CA2000 // Dispose objects before losing scope
Log.Logger = new LoggerConfiguration()
.WriteTo.OpenTelemetry(openTelemetryLoggerProvider, disposeProvider: true)
.CreateLogger();
Log.Logger.Information("Hello {greeting}", "World");
Log.CloseAndFlush();
Assert.Single(exportedItems);
LogRecord logRecord = exportedItems[0];
if (!includeFormattedMessage)
{
Assert.Equal("Hello {greeting}", logRecord.FormattedMessage);
}
else
{
Assert.Equal("Hello \"World\"", logRecord.FormattedMessage);
}
Assert.NotEqual(DateTime.MinValue, logRecord.Timestamp);
Assert.Equal(DateTimeKind.Utc, logRecord.Timestamp.Kind);
Assert.Equal(LogLevel.Information, logRecord.LogLevel);
Assert.Null(logRecord.CategoryName);
Assert.NotNull(logRecord.StateValues);
Assert.Single(logRecord.StateValues);
Assert.Contains(logRecord.StateValues, kvp => kvp.Key == "greeting" && (string?)kvp.Value == "World");
Assert.Equal(default, logRecord.TraceId);
Assert.Equal(default, logRecord.SpanId);
Assert.Null(logRecord.TraceState);
Assert.Equal(ActivityTraceFlags.None, logRecord.TraceFlags);
}
[Fact]
public void SerilogBasicLogWithActivityTest()
{
using var activity = new Activity("Test");
activity.Start();
List<LogRecord> exportedItems = new();
#pragma warning disable CA2000 // Dispose objects before losing scope
var openTelemetryLoggerProvider = new OpenTelemetryLoggerProvider(options =>
{
options.AddInMemoryExporter(exportedItems);
});
#pragma warning restore CA2000 // Dispose objects before losing scope
Log.Logger = new LoggerConfiguration()
.WriteTo.OpenTelemetry(openTelemetryLoggerProvider, disposeProvider: true)
.CreateLogger();
Log.Logger.Information("Hello {greeting}", "World");
Log.CloseAndFlush();
Assert.Single(exportedItems);
var logRecord = exportedItems[0];
Assert.NotEqual(default, logRecord.TraceId);
Assert.Equal(activity.TraceId, logRecord.TraceId);
Assert.Equal(activity.SpanId, logRecord.SpanId);
Assert.Equal(activity.TraceStateString, logRecord.TraceState);
Assert.Equal(activity.ActivityTraceFlags, logRecord.TraceFlags);
}
[Fact]
public void SerilogCategoryNameTest()
{
List<LogRecord> exportedItems = new();
#pragma warning disable CA2000 // Dispose objects before losing scope
var openTelemetryLoggerProvider = new OpenTelemetryLoggerProvider(options =>
{
options.AddInMemoryExporter(exportedItems);
});
#pragma warning restore CA2000 // Dispose objects before losing scope
Log.Logger = new LoggerConfiguration()
.WriteTo.OpenTelemetry(openTelemetryLoggerProvider, disposeProvider: true)
.CreateLogger();
// Note: Serilog ForContext API is used to set "CategoryName" on log messages
ILogger logger = Log.Logger.ForContext<OpenTelemetrySerilogSinkTests>();
logger.Information("Hello {greeting}", "World");
Log.CloseAndFlush();
Assert.Single(exportedItems);
LogRecord logRecord = exportedItems[0];
Assert.Equal("OpenTelemetry.Extensions.Serilog.Tests.OpenTelemetrySerilogSinkTests", logRecord.CategoryName);
}
[Fact]
public void SerilogComplexMessageTemplateTest()
{
List<LogRecord> exportedItems = new();
#pragma warning disable CA2000 // Dispose objects before losing scope
var openTelemetryLoggerProvider = new OpenTelemetryLoggerProvider(options =>
{
options.AddInMemoryExporter(exportedItems);
});
#pragma warning restore CA2000 // Dispose objects before losing scope
Log.Logger = new LoggerConfiguration()
.WriteTo.OpenTelemetry(openTelemetryLoggerProvider, disposeProvider: true)
.CreateLogger();
ComplexType complexType = new();
Log.Logger.Information("Hello {greeting} {id} {@complexObj} {$complexStr}", "World", 18, complexType, complexType);
Log.CloseAndFlush();
Assert.Single(exportedItems);
LogRecord logRecord = exportedItems[0];
Assert.NotNull(logRecord.StateValues);
Assert.Equal(3, logRecord.StateValues!.Count); // Note: complexObj is currently not supported/ignored.
Assert.Contains(logRecord.StateValues, kvp => kvp.Key == "greeting" && (string?)kvp.Value == "World");
Assert.Contains(logRecord.StateValues, kvp => kvp.Key == "id" && (int?)kvp.Value == 18);
Assert.Contains(logRecord.StateValues, kvp => kvp.Key == "complexStr" && (string?)kvp.Value == "ComplexTypeToString");
}
[Fact]
public void SerilogArrayMessageTemplateTest()
{
List<LogRecord> exportedItems = new();
#pragma warning disable CA2000 // Dispose objects before losing scope
var openTelemetryLoggerProvider = new OpenTelemetryLoggerProvider(options =>
{
options.AddInMemoryExporter(exportedItems);
});
#pragma warning restore CA2000 // Dispose objects before losing scope
Log.Logger = new LoggerConfiguration()
.WriteTo.OpenTelemetry(openTelemetryLoggerProvider, disposeProvider: true)
.CreateLogger();
ComplexType complexType = new();
var intArray = new int[] { 0, 1, 2, 3, 4 };
var mixedArray = new object?[] { 0, null, "3", 18.0D };
Log.Logger.Information("Int array {data}", intArray);
Log.Logger.Information("Mixed array {data}", new object[] { mixedArray });
Log.CloseAndFlush();
Assert.Equal(2, exportedItems.Count);
LogRecord logRecord = exportedItems[0];
Assert.Contains(logRecord.StateValues, kvp => kvp.Key == "data" && kvp.Value is int[] typedArray && intArray.SequenceEqual(typedArray));
logRecord = exportedItems[1];
Assert.Contains(logRecord.StateValues, kvp => kvp.Key == "data" && kvp.Value is object?[] typedArray && mixedArray.SequenceEqual(typedArray));
}
[Fact]
public void SerilogExceptionTest()
{
List<LogRecord> exportedItems = new();
InvalidOperationException ex = new();
#pragma warning disable CA2000 // Dispose objects before losing scope
var openTelemetryLoggerProvider = new OpenTelemetryLoggerProvider(options =>
{
options.AddInMemoryExporter(exportedItems);
});
#pragma warning restore CA2000 // Dispose objects before losing scope
Log.Logger = new LoggerConfiguration()
.WriteTo.OpenTelemetry(openTelemetryLoggerProvider, disposeProvider: true)
.CreateLogger();
ComplexType complexType = new();
Log.Logger.Information(ex, "Exception");
Log.CloseAndFlush();
Assert.Single(exportedItems);
LogRecord logRecord = exportedItems[0];
Assert.Equal(ex, logRecord.Exception);
}
private sealed class WrappedOpenTelemetryLoggerProvider : OpenTelemetryLoggerProvider
{
public WrappedOpenTelemetryLoggerProvider(Action<OpenTelemetryLoggerOptions> configure)
: base(configure)
{
}
public bool Disposed { get; private set; }
protected override void Dispose(bool disposing)
{
this.Disposed = true;
base.Dispose(disposing);
}
}
private sealed class ComplexType
{
public override string ToString() => "ComplexTypeToString";
}
}
}