opentelemetry-dotnet/test/OpenTelemetry.Tests/Logs/LoggerFactoryAndResourceBui...

79 lines
2.8 KiB
C#

// <copyright file="LoggerFactoryAndResourceBuilderTests.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 Microsoft.Extensions.Logging;
using OpenTelemetry.Exporter;
using OpenTelemetry.Resources;
using Xunit;
namespace OpenTelemetry.Logs.Tests
{
public sealed class LoggerFactoryAndResourceBuilderTests
{
[Fact]
public void TestLogExporterCanAccessResource()
{
VerifyResourceBuilder(
assert: (Resource resource) =>
{
Assert.Contains(resource.Attributes, (kvp) => kvp.Key == ResourceSemanticConventions.AttributeServiceName && kvp.Value.ToString().Contains("unknown_service"));
});
}
[Fact]
public void VerifyResourceBuilder_WithServiceNameEnVar()
{
try
{
Environment.SetEnvironmentVariable(OtelServiceNameEnvVarDetector.EnvVarKey, "MyService");
VerifyResourceBuilder(
assert: (Resource resource) =>
{
Assert.Contains(resource.Attributes, (kvp) => kvp.Key == ResourceSemanticConventions.AttributeServiceName && kvp.Value.Equals("MyService"));
});
}
finally
{
Environment.SetEnvironmentVariable(OtelServiceNameEnvVarDetector.EnvVarKey, null);
}
}
private static void VerifyResourceBuilder(
Action<Resource> assert)
{
// Setup
using var exporter = new InMemoryExporter<LogRecord>(new List<LogRecord>());
using var loggerFactory = LoggerFactory.Create(builder =>
{
builder.AddOpenTelemetry(options =>
{
options.AddProcessor(new SimpleLogRecordExportProcessor(exporter));
});
});
var logger = loggerFactory.CreateLogger<LoggerFactoryAndResourceBuilderTests>();
var provider = exporter.ParentProvider as OpenTelemetryLoggerProvider;
Assert.NotNull(provider);
var resource = provider.GetResource();
Assert.NotNull(resource);
// Verify
assert.Invoke(resource);
}
}
}