opentelemetry-dotnet/test/OpenTelemetry.Api.Tests/Logs/LoggerProviderTests.cs

90 lines
2.5 KiB
C#

// <copyright file="LoggerProviderTests.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>
#nullable enable
using Xunit;
namespace OpenTelemetry.Logs.Tests;
public sealed class LoggerProviderTests
{
[Fact]
public void NoopLoggerReturnedTest()
{
using var provider = new LoggerProvider();
var logger = provider.GetLogger(name: "TestLogger", version: "Version");
Assert.NotNull(logger);
Assert.Equal(typeof(NoopLogger), logger.GetType());
Assert.Equal(string.Empty, logger.Name);
Assert.Null(logger.Version);
}
[Fact]
public void LoggerReturnedWithInstrumentationScopeTest()
{
using var provider = new TestLoggerProvider();
var logger = provider.GetLogger(name: "TestLogger", version: "Version");
Assert.NotNull(logger);
Assert.Equal(typeof(TestLogger), logger.GetType());
Assert.Equal("TestLogger", logger.Name);
Assert.Equal("Version", logger.Version);
logger = provider.GetLogger(name: "TestLogger");
Assert.NotNull(logger);
Assert.Equal(typeof(TestLogger), logger.GetType());
Assert.Equal("TestLogger", logger.Name);
Assert.Null(logger.Version);
logger = provider.GetLogger();
Assert.NotNull(logger);
Assert.Equal(typeof(TestLogger), logger.GetType());
Assert.Equal(string.Empty, logger.Name);
Assert.Null(logger.Version);
}
private sealed class TestLoggerProvider : LoggerProvider
{
protected override bool TryCreateLogger(string? name, out Logger? logger)
{
logger = new TestLogger(name);
return true;
}
}
private sealed class TestLogger : Logger
{
public TestLogger(string? name)
: base(name)
{
}
public override void EmitLog(in LogRecordData data, in LogRecordAttributeList attributes = default)
{
}
}
}