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ProviderStatusServiceFixture.cs
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ProviderStatusServiceFixture.cs
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using System;
using System.Linq;
using FluentAssertions;
using Moq;
using NLog;
using NUnit.Framework;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Core.Messaging.Events;
using NzbDrone.Core.Test.Framework;
using NzbDrone.Core.ThingiProvider;
using NzbDrone.Core.ThingiProvider.Status;
namespace NzbDrone.Core.Test.ThingiProviderTests
{
public class MockProviderStatus : ProviderStatusBase
{
}
public interface IMockProvider : IProvider
{
}
public interface IMockProviderStatusRepository : IProviderStatusRepository<MockProviderStatus>
{
}
public class MockProviderStatusService : ProviderStatusServiceBase<IMockProvider, MockProviderStatus>
{
public MockProviderStatusService(IMockProviderStatusRepository providerStatusRepository, IEventAggregator eventAggregator, IRuntimeInfo runtimeInfo, Logger logger)
: base(providerStatusRepository, eventAggregator, runtimeInfo, logger)
{
}
}
public class ProviderStatusServiceFixture : CoreTest<MockProviderStatusService>
{
private readonly TimeSpan _disabledTillPrecision = TimeSpan.FromMilliseconds(500);
private DateTime _epoch;
[SetUp]
public void SetUp()
{
_epoch = DateTime.UtcNow;
Mocker.GetMock<IRuntimeInfo>()
.SetupGet(v => v.StartTime)
.Returns(_epoch - TimeSpan.FromHours(1));
}
private void GivenRecentStartup()
{
Mocker.GetMock<IRuntimeInfo>()
.SetupGet(v => v.StartTime)
.Returns(_epoch - TimeSpan.FromMinutes(12));
}
private MockProviderStatus WithStatus(MockProviderStatus status)
{
Mocker.GetMock<IMockProviderStatusRepository>()
.Setup(v => v.FindByProviderId(1))
.Returns(status);
Mocker.GetMock<IMockProviderStatusRepository>()
.Setup(v => v.All())
.Returns(new[] { status });
return status;
}
private void VerifyUpdate()
{
Mocker.GetMock<IMockProviderStatusRepository>()
.Verify(v => v.Upsert(It.IsAny<MockProviderStatus>()), Times.Once());
}
private void VerifyNoUpdate()
{
Mocker.GetMock<IMockProviderStatusRepository>()
.Verify(v => v.Upsert(It.IsAny<MockProviderStatus>()), Times.Never());
}
[Test]
public void should_start_backoff_on_first_failure()
{
WithStatus(new MockProviderStatus());
Subject.RecordFailure(1);
VerifyUpdate();
var status = Subject.GetBlockedProviders().FirstOrDefault();
status.Should().NotBeNull();
status.DisabledTill.Should().HaveValue();
status.DisabledTill.Value.Should().BeCloseTo(_epoch + TimeSpan.FromMinutes(1), _disabledTillPrecision);
}
[Test]
public void should_cancel_backoff_on_success()
{
WithStatus(new MockProviderStatus { EscalationLevel = 2 });
Subject.RecordSuccess(1);
VerifyUpdate();
var status = Subject.GetBlockedProviders().FirstOrDefault();
status.Should().BeNull();
}
[Test]
public void should_not_store_update_if_already_okay()
{
WithStatus(new MockProviderStatus { EscalationLevel = 0 });
Subject.RecordSuccess(1);
VerifyNoUpdate();
}
[Test]
public void should_preserve_escalation_on_intermittent_success()
{
WithStatus(new MockProviderStatus
{
InitialFailure = _epoch - TimeSpan.FromSeconds(20),
MostRecentFailure = _epoch - TimeSpan.FromSeconds(4),
EscalationLevel = 3
});
Subject.RecordSuccess(1);
Subject.RecordSuccess(1);
Subject.RecordFailure(1);
var status = Subject.GetBlockedProviders().FirstOrDefault();
status.Should().NotBeNull();
status.DisabledTill.Should().HaveValue();
status.DisabledTill.Value.Should().BeCloseTo(_epoch + TimeSpan.FromMinutes(5), _disabledTillPrecision);
}
[Test]
public void should_not_escalate_further_till_after_5_minutes_since_startup()
{
GivenRecentStartup();
var origStatus = WithStatus(new MockProviderStatus
{
InitialFailure = _epoch - TimeSpan.FromMinutes(6),
MostRecentFailure = _epoch - TimeSpan.FromSeconds(120),
EscalationLevel = 3
});
Subject.RecordFailure(1);
Subject.RecordFailure(1);
Subject.RecordFailure(1);
Subject.RecordFailure(1);
Subject.RecordFailure(1);
Subject.RecordFailure(1);
Subject.RecordFailure(1);
var status = Subject.GetBlockedProviders().FirstOrDefault();
status.Should().NotBeNull();
origStatus.EscalationLevel.Should().Be(3);
status.DisabledTill.Should().BeCloseTo(_epoch + TimeSpan.FromMinutes(5), _disabledTillPrecision);
}
}
}