opentelemetry-dotnet/test/OpenTelemetry.Tests/Resources/OtelServiceNameEnvVarDetect...

89 lines
3.0 KiB
C#

// <copyright file="OtelServiceNameEnvVarDetectorTests.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.Configuration;
using Xunit;
namespace OpenTelemetry.Resources.Tests
{
public class OtelServiceNameEnvVarDetectorTests : IDisposable
{
public OtelServiceNameEnvVarDetectorTests()
{
Environment.SetEnvironmentVariable(OtelServiceNameEnvVarDetector.EnvVarKey, null);
}
public void Dispose()
{
Environment.SetEnvironmentVariable(OtelServiceNameEnvVarDetector.EnvVarKey, null);
GC.SuppressFinalize(this);
}
[Fact]
public void OtelServiceNameEnvVar_EnvVarKey()
{
Assert.Equal("OTEL_SERVICE_NAME", OtelServiceNameEnvVarDetector.EnvVarKey);
}
[Fact]
public void OtelServiceNameEnvVar_Null()
{
// Act
var resource = new OtelServiceNameEnvVarDetector(
new ConfigurationBuilder().AddEnvironmentVariables().Build())
.Detect();
// Assert
Assert.Equal(Resource.Empty, resource);
}
[Fact]
public void OtelServiceNameEnvVar_WithValue()
{
// Arrange
var envVarValue = "my-service";
Environment.SetEnvironmentVariable(OtelServiceNameEnvVarDetector.EnvVarKey, envVarValue);
// Act
var resource = new OtelServiceNameEnvVarDetector(
new ConfigurationBuilder().AddEnvironmentVariables().Build())
.Detect();
// Assert
Assert.NotEqual(Resource.Empty, resource);
Assert.Contains(new KeyValuePair<string, object>(ResourceSemanticConventions.AttributeServiceName, envVarValue), resource.Attributes);
}
[Fact]
public void OtelServiceNameEnvVar_UsingIConfiguration()
{
var values = new Dictionary<string, string>()
{
[OtelServiceNameEnvVarDetector.EnvVarKey] = "my-service",
};
var configuration = new ConfigurationBuilder()
.AddInMemoryCollection(values)
.Build();
var resource = new OtelServiceNameEnvVarDetector(configuration).Detect();
Assert.NotEqual(Resource.Empty, resource);
Assert.Contains(new KeyValuePair<string, object>(ResourceSemanticConventions.AttributeServiceName, "my-service"), resource.Attributes);
}
}
}