public async Task should_deactivate_service_when_no_endpoints_available()
{
var service = new Mongo.Infrastructure.Entities.Service()
{
Id = Guid.NewGuid(),
Active = true,
Name = "lorem",
Endpoints = Enumerable.Empty <Mongo.Infrastructure.Entities.ServiceEndpoint>()
};
var mockRepo = RepositoryUtils.MockRepository <Mongo.Infrastructure.Entities.Service>(service);
var mockDbContext = new Mock <IDbContext>();
mockDbContext.Setup(db => db.Services).Returns(mockRepo.Object);
var mockPinger = new Mock <IPinger>();
var mockMediator = new Mock <IMediator>();
var validator = new NullValidator <RefreshServiceStatus>();
var sut = new RefreshServiceStatusHandler(mockDbContext.Object, mockPinger.Object, mockMediator.Object, validator);
await sut.Handle(new RefreshServiceStatus(service.Id, 10));
mockRepo.Verify(m => m.UpsertOneAsync(It.IsAny <Expression <Func <Mongo.Infrastructure.Entities.Service, bool> > >(),
It.Is <Mongo.Infrastructure.Entities.Service>(r => r.Active == false)),
Times.Once());
}
public async Task should_emit_ServiceRefreshed_event_even_with_no_endpoints()
{
var service = new Mongo.Infrastructure.Entities.Service()
{
Id = Guid.NewGuid(),
Active = true,
Name = "lorem",
Endpoints = new Mongo.Infrastructure.Entities.ServiceEndpoint[] { }
};
var mockRepo = RepositoryUtils.MockRepository <Mongo.Infrastructure.Entities.Service>(service);
var mockDbContext = new Mock <IDbContext>();
mockDbContext.Setup(db => db.Services).Returns(mockRepo.Object);
var mockMediator = new Mock <IMediator>();
var mockPinger = new Mock <IPinger>();
var validator = new NullValidator <RefreshServiceStatus>();
var command = new RefreshServiceStatus(service.Id, 10);
var sut = new RefreshServiceStatusHandler(mockDbContext.Object, mockPinger.Object, mockMediator.Object, validator);
await sut.Handle(command);
mockMediator.Verify(m => m.Publish(It.Is <Core.Events.ServiceRefreshed>(e => e.ServiceId == service.Id),
It.IsAny <System.Threading.CancellationToken>()),
Times.Once);
}
public async Task should_fail_when_command_null()
{
var mockDbContext = new Mock <IDbContext>();
var mockPinger = new Mock <IPinger>();
var mockValidator = new Mock <IValidator <RefreshServiceStatus> >();
var mockMediator = new Mock <IMediator>();
var sut = new RefreshServiceStatusHandler(mockDbContext.Object, mockPinger.Object, mockMediator.Object, mockValidator.Object);
await Assert.ThrowsAsync <ArgumentNullException>(() => sut.Handle(null));
}
public async Task should_activate_service_when_at_least_one_endpoint_responds_to_ping()
{
var endpoint1 = new Mongo.Infrastructure.Entities.ServiceEndpoint()
{
Address = "localhost1",
Protocol = "dolor",
Active = true
};
var endpoint2 = new Mongo.Infrastructure.Entities.ServiceEndpoint()
{
Address = "localhost2",
Protocol = "dolor",
Active = true
};
var service = new Mongo.Infrastructure.Entities.Service()
{
Id = Guid.NewGuid(),
Active = false,
Name = "lorem",
Endpoints = new[] {
endpoint1, endpoint2
}
};
var mockRepo = RepositoryUtils.MockRepository <Mongo.Infrastructure.Entities.Service>(service);
var mockDbContext = new Mock <IDbContext>();
mockDbContext.Setup(db => db.Services).Returns(mockRepo.Object);
var mockPinger = new Mock <IPinger>();
mockPinger.Setup(p => p.PingAsync(It.IsAny <string>(), It.IsAny <int>()))
.ReturnsAsync((string Address, int timeout) =>
{
return(new PingResult((Address == endpoint2.Address), 0));
});
var mockMediator = new Mock <IMediator>();
var validator = new NullValidator <RefreshServiceStatus>();
var command = new RefreshServiceStatus(service.Id, 10);
var sut = new RefreshServiceStatusHandler(mockDbContext.Object, mockPinger.Object, mockMediator.Object, validator);
await sut.Handle(command);
foreach (var endpoint in service.Endpoints)
{
mockPinger.Verify(m => m.PingAsync(endpoint.Address, command.Timeout), Times.Once());
}
mockRepo.Verify(m => m.UpsertOneAsync(It.IsAny <Expression <Func <Mongo.Infrastructure.Entities.Service, bool> > >(),
It.Is <Mongo.Infrastructure.Entities.Service>(r => r.Active == true && 1 == r.Endpoints.Count(es => es.Active && es.Address == endpoint2.Address))),
Times.Once());
}
public async Task should_ping_all_endpoints_even_with_exceptions()
{
var service = new Mongo.Infrastructure.Entities.Service()
{
Id = Guid.NewGuid(),
Active = true,
Name = "lorem",
Endpoints = new[] {
new Mongo.Infrastructure.Entities.ServiceEndpoint()
{
Active = true,
Address = "localhost"
},
new Mongo.Infrastructure.Entities.ServiceEndpoint()
{
Active = true,
Address = "localhost1"
}
}
};
var mockRepo = RepositoryUtils.MockRepository <Mongo.Infrastructure.Entities.Service>(service);
var mockDbContext = new Mock <IDbContext>();
mockDbContext.Setup(db => db.Services).Returns(mockRepo.Object);
var mockMediator = new Mock <IMediator>();
var mockPinger = new Mock <IPinger>();
mockPinger.Setup(p => p.PingAsync(It.IsAny <string>(), It.IsAny <int>()))
.ReturnsAsync((string Address, int timeout) =>
{
if (Address == service.Endpoints.ElementAt(0).Address)
{
throw new Exception(Address);
}
return(new PingResult(true, 0));
});
var validator = new NullValidator <RefreshServiceStatus>();
var command = new RefreshServiceStatus(service.Id, 10);
var sut = new RefreshServiceStatusHandler(mockDbContext.Object, mockPinger.Object, mockMediator.Object, validator);
await sut.Handle(command);
mockPinger.Verify(m => m.PingAsync(It.IsAny <string>(), command.Timeout), Times.Exactly(service.Endpoints.Count()));
}
public async Task should_deactivate_service_when_no_endpoints_responds_to_ping()
{
var endpoint = new Mongo.Infrastructure.Entities.ServiceEndpoint()
{
Address = "localhost",
Protocol = "dolor",
Active = true
};
var service = new Mongo.Infrastructure.Entities.Service()
{
Id = Guid.NewGuid(),
Active = true,
Name = "lorem",
Endpoints = new[] {
endpoint
}
};
var mockRepo = RepositoryUtils.MockRepository <Mongo.Infrastructure.Entities.Service>(service);
var mockDbContext = new Mock <IDbContext>();
mockDbContext.Setup(db => db.Services).Returns(mockRepo.Object);
var mockPinger = new Mock <IPinger>();
mockPinger.Setup(p => p.PingAsync(It.IsAny <string>(), It.IsAny <int>()))
.ReturnsAsync(new PingResult(false, 0));
var mockMediator = new Mock <IMediator>();
var validator = new NullValidator <RefreshServiceStatus>();
var command = new RefreshServiceStatus(service.Id, 10);
var sut = new RefreshServiceStatusHandler(mockDbContext.Object, mockPinger.Object, mockMediator.Object, validator);
await sut.Handle(command);
mockPinger.Verify(m => m.PingAsync(service.Endpoints.ElementAt(0).Address, command.Timeout), Times.Once());
mockRepo.Verify(m => m.UpsertOneAsync(It.IsAny <Expression <Func <Mongo.Infrastructure.Entities.Service, bool> > >(),
It.Is <Mongo.Infrastructure.Entities.Service>(r => r.Active == false && !r.Endpoints.Any(es => es.Active))),
Times.Once());
}
public async Task should_update_endpoint_roundtrip_time()
{
var endpoint = new Mongo.Infrastructure.Entities.ServiceEndpoint()
{
Address = "localhost1",
Protocol = "dolor",
Active = false,
RoundtripTime = long.MaxValue
};
var service = new Mongo.Infrastructure.Entities.Service()
{
Id = Guid.NewGuid(),
Active = false,
Name = "lorem",
Endpoints = new[] {
endpoint
}
};
var mockRepo = RepositoryUtils.MockRepository <Mongo.Infrastructure.Entities.Service>(service);
var mockDbContext = new Mock <IDbContext>();
mockDbContext.Setup(db => db.Services).Returns(mockRepo.Object);
var mockPinger = new Mock <IPinger>();
mockPinger.Setup(p => p.PingAsync(It.IsAny <string>(), It.IsAny <int>()))
.ReturnsAsync(new PingResult(true, 42));
var mockMediator = new Mock <IMediator>();
var validator = new NullValidator <RefreshServiceStatus>();
var command = new RefreshServiceStatus(service.Id, 10);
var sut = new RefreshServiceStatusHandler(mockDbContext.Object, mockPinger.Object, mockMediator.Object, validator);
await sut.Handle(command);
mockRepo.Verify(m => m.UpsertOneAsync(It.IsAny <Expression <Func <Mongo.Infrastructure.Entities.Service, bool> > >(),
It.Is <Mongo.Infrastructure.Entities.Service>(r => r.Endpoints.Any(es => es.RoundtripTime == 42))),
Times.Once());
}