opentelemetry-dotnet-instru.../test/OpenTelemetry.AutoInstrumen.../LoaderTests.cs

67 lines
2.3 KiB
C#

// <copyright file="LoaderTests.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 Xunit;
using Xunit.Abstractions;
namespace OpenTelemetry.AutoInstrumentation.Loader.Tests;
public class LoaderTests
{
private ITestOutputHelper _testOutput;
public LoaderTests(ITestOutputHelper testOutput)
{
_testOutput = testOutput;
}
[Fact]
public void Ctor_LoadsManagedAssembly()
{
var directory = Directory.GetCurrentDirectory();
var profilerDirectory = Path.Combine(directory, "..", "Profiler");
_testOutput.WriteLine($"profilerDirectory={profilerDirectory}");
#if NETFRAMEWORK
var srcDir = Path.Combine(profilerDirectory, "net462");
var dstDir = Path.Combine(profilerDirectory, "netfx");
if (Directory.Exists(srcDir) && !Directory.Exists(dstDir))
{
Directory.Move(srcDir, dstDir);
}
#else
if (Directory.Exists(Path.Combine(profilerDirectory, "net6.0")))
{
Directory.Move(Path.Combine(profilerDirectory, "net6.0"), Path.Combine(profilerDirectory, "net"));
}
#endif
Environment.SetEnvironmentVariable("OTEL_LOG_LEVEL", "debug");
Environment.SetEnvironmentVariable("OTEL_DOTNET_AUTO_HOME", profilerDirectory);
var exception = Record.Exception(() => new AutoInstrumentation.Loader.Loader());
// That means the assembly was loaded successfully and Initialize method was called.
Assert.Null(exception);
var openTelemetryAutoInstrumentationAssembly = AppDomain.CurrentDomain.GetAssemblies()
.Select(a => a.FullName)
.FirstOrDefault(n => n != null && n.StartsWith("OpenTelemetry.AutoInstrumentation,"));
Assert.NotNull(openTelemetryAutoInstrumentationAssembly);
}
}