opentelemetry-dotnet/test/OpenTelemetry.Tests/Implementation/Trace/Config/TracerFactoryBaseTests.cs

94 lines
3.2 KiB
C#

// <copyright file="TracerFactoryBaseTests.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 OpenTelemetry.Trace;
using OpenTelemetry.Trace.Configuration;
using Xunit;
namespace OpenTelemetry.Tests.Impl.Trace.Config
{
public class TracerFactoryBaseTests : IDisposable
{
public TracerFactoryBaseTests()
{
TracerFactoryBase.Default.Reset();
}
[Fact]
public void TraceFactory_Default()
{
Assert.NotNull(TracerFactoryBase.Default);
var defaultTracer = TracerFactoryBase.Default.GetTracer(string.Empty);
Assert.NotNull(defaultTracer);
Assert.Same(defaultTracer, TracerFactoryBase.Default.GetTracer("named tracerSdk"));
var span = defaultTracer.StartSpan("foo");
Assert.IsType<BlankSpan>(span);
}
[Fact]
public void TraceFactory_SetDefault()
{
var factory = TracerFactory.Create(b => { });
TracerFactoryBase.SetDefault(factory);
var defaultTracer = TracerFactoryBase.Default.GetTracer(string.Empty);
Assert.NotNull(defaultTracer);
Assert.IsType<TracerSdk>(defaultTracer);
Assert.NotSame(defaultTracer, TracerFactoryBase.Default.GetTracer("named tracerSdk"));
var span = defaultTracer.StartSpan("foo");
Assert.IsType<SpanSdk>(span);
}
[Fact]
public void TraceFactory_SetDefaultNull()
{
Assert.Throws<ArgumentNullException>(() => TracerFactoryBase.SetDefault(null));
}
[Fact]
public void TraceFactory_SetDefaultTwice_Throws()
{
TracerFactoryBase.SetDefault(TracerFactory.Create(b => { }));
Assert.Throws<InvalidOperationException>(() => TracerFactoryBase.SetDefault(TracerFactory.Create(b => { })));
}
[Fact]
public void TraceFactory_UpdateDefault_CachedTracer()
{
var defaultTracer = TracerFactoryBase.Default.GetTracer(string.Empty);
var noopSpan = defaultTracer.StartSpan("foo");
Assert.IsType<BlankSpan>(noopSpan);
TracerFactoryBase.SetDefault(TracerFactory.Create(b => { }));
var span = defaultTracer.StartSpan("foo");
Assert.IsType<SpanSdk>(span);
var newDefaultTracer = TracerFactoryBase.Default.GetTracer(string.Empty);
Assert.NotSame(defaultTracer, newDefaultTracer);
Assert.IsType<TracerSdk>(newDefaultTracer);
}
public void Dispose()
{
TracerFactoryBase.Default.Reset();
}
}
}