DD.WellWorkover.Cloud/AsbCloudWebApi.Tests/Services/BackgroundWorkertest.cs
2023-11-07 14:19:13 +05:00

114 lines
3.3 KiB
C#

using AsbCloudInfrastructure.Background;
using Microsoft.Extensions.DependencyInjection;
using NSubstitute;
using System;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
using Xunit;
namespace AsbCloudWebApi.Tests.Services;
public class BackgroundWorkerTest
{
private IServiceProvider provider;
private BackgroundWorker service;
public BackgroundWorkerTest()
{
provider = Substitute.For<IServiceProvider, ISupportRequiredService>();
var serviceScope = Substitute.For<IServiceScope>();
var serviceScopeFactory = Substitute.For<IServiceScopeFactory>();
serviceScopeFactory.CreateScope().Returns(serviceScope);
((ISupportRequiredService)provider).GetRequiredService(typeof(IServiceScopeFactory)).Returns(serviceScopeFactory);
service = new BackgroundWorker(provider);
typeof(BackgroundWorker)
.GetField("minDelay", BindingFlags.NonPublic | BindingFlags.Instance)
.SetValue(service, TimeSpan.FromMilliseconds(1));
}
[Fact]
public async Task Enqueue_n_works()
{
var workCount = 10;
var result = 0;
Task workAction(string id, IServiceProvider services, Action<string, double?> callback, CancellationToken token)
{
result++;
return Task.Delay(1);
}
//act
for (int i = 0; i < workCount; i++)
{
var work = Work.CreateByDelegate(i.ToString(), workAction);
service.Enqueue(work);
}
await service.ExecuteTask;
//assert
Assert.Equal(workCount, result);
}
[Fact]
public async Task Enqueue_continues_after_exceptions()
{
var expectadResult = 42;
var result = 0;
Task workAction(string id, IServiceProvider services, Action<string, double?> callback, CancellationToken token)
{
result = expectadResult;
return Task.CompletedTask;
}
var goodWork = Work.CreateByDelegate("", workAction);
Task failAction(string id, IServiceProvider services, Action<string, double?> callback, CancellationToken token)
=> throw new Exception();
var badWork = Work.CreateByDelegate("", failAction);
badWork.OnErrorAsync = (id, exception, token) => throw new Exception();
//act
service.Enqueue(badWork);
service.Enqueue(goodWork);
await service.ExecuteTask;
//assert
Assert.Equal(expectadResult, result);
Assert.Equal(1, service.Felled.Count);
Assert.Equal(1, service.Done.Count);
}
[Fact]
public async Task TryRemove()
{
var workCount = 5;
var result = 0;
Task workAction(string id, IServiceProvider services, Action<string, double?> callback, CancellationToken token)
{
result++;
return Task.Delay(10);
}
//act
for (int i = 0; i < workCount; i++)
{
var work = Work.CreateByDelegate(i.ToString(), workAction);
service.Enqueue(work);
}
var removed = service.TryRemoveFromQueue((workCount - 1).ToString());
await service.ExecuteTask;
//assert
Assert.True(removed);
Assert.Equal(workCount - 1, result);
Assert.Equal(workCount - 1, service.Done.Count);
}
}