opentelemetry-dotnet/test/OpenTelemetry.Tests/Implementation/Testing/Export/TestActivityExporter.cs

73 lines
2.4 KiB
C#

// <copyright file="TestActivityExporter.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 System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.Threading;
using System.Threading.Tasks;
using OpenTelemetry.Trace;
namespace OpenTelemetry.Testing.Export
{
public class TestActivityExporter : ActivityExporter
{
private readonly ConcurrentQueue<Activity> activities = new ConcurrentQueue<Activity>();
private readonly Action<IEnumerable<Activity>> onExport;
private readonly int? sleepMilliseconds;
public TestActivityExporter(Action<IEnumerable<Activity>> onExport, int? sleepMilliseconds = null)
{
this.onExport = onExport;
this.sleepMilliseconds = sleepMilliseconds;
}
public Activity[] ExportedActivities => this.activities.ToArray();
public bool WasShutDown { get; private set; } = false;
public override async Task<ExportResult> ExportAsync(IEnumerable<Activity> data, CancellationToken cancellationToken)
{
// Added a sleep to respect cancellation time set by export timeout.
if (this.sleepMilliseconds.HasValue)
{
await Task.Delay(this.sleepMilliseconds.Value, cancellationToken).ConfigureAwait(false);
}
cancellationToken.ThrowIfCancellationRequested();
this.onExport?.Invoke(data);
foreach (var s in data)
{
this.activities.Enqueue(s);
}
return ExportResult.Success;
}
public override Task ShutdownAsync(CancellationToken cancellationToken)
{
this.WasShutDown = true;
#if NET452
return Task.FromResult(0);
#else
return Task.CompletedTask;
#endif
}
}
}