public void HandleShouldCallBasicAck()
{
// Arrange
var sender = new object();
var basicDeliverEventArgs = new BasicDeliverEventArgs
{
BasicProperties = new BasicProperties
{
Type = "SomeCommand",
Timestamp = new AmqpTimestamp(new DateTime(2019, 6, 4).Ticks),
},
Body = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(new ReplayEventsCommand
{
EventType = "DomainEvent",
RoutingKey = "Test.*",
ReplayExchangeName = "AuditLog.TestExchange"
})),
RoutingKey = "TestQueue",
};
var eventReplayerMock = new Mock <IEventReplayer>();
var repositoryMock = new Mock <IAuditLogRepository <LogEntry, long> >();
var repository = repositoryMock.Object;
var eventReplayer = eventReplayerMock.Object;
var routingKeyMatcherMock = new Mock <IRoutingKeyMatcher>();
var routingKeyMatcher = routingKeyMatcherMock.Object;
var eventBusMock = new Mock <IEventBus>();
var eventBus = eventBusMock.Object;
var modelMock = new Mock <IModel>();
var model = modelMock.Object;
eventBusMock.Setup(mock => mock.Model).Returns(model);
var commandListener = new AuditLogCommandListener(repository, eventReplayer, routingKeyMatcher, eventBus);
repositoryMock.Setup(mock => mock.FindBy(It.IsAny <LogEntryCriteria>()))
.Returns(new List <LogEntry>
{
new LogEntry
{
Timestamp = new DateTime(2019, 5, 8).Ticks,
RoutingKey = "Test.*",
EventJson = "{'title': 'Some title'}",
EventType = "DomainEvent"
},
new LogEntry
{
Timestamp = new DateTime(2019, 7, 2).Ticks,
RoutingKey = "Test.#",
EventJson = "{'title': 'Some title'}",
EventType = "DomainEvent"
}
});
// Act
commandListener.Handle(sender, basicDeliverEventArgs);
// Assert
modelMock.Verify(mock => mock.BasicAck(It.IsAny <ulong>(), false));
}
public void ReplayEventsReturnsReplayEventResponse500()
{
// Arrange
var result = new ReplayEventsResponse();
var sender = new object();
var basicDeliverEventArgs = new BasicDeliverEventArgs
{
BasicProperties = new BasicProperties
{
Type = "SomeCommand",
Timestamp = new AmqpTimestamp(new DateTime(2019, 6, 4).Ticks),
},
Body = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(new ReplayEventsCommand
{
EventType = "DomainEvent",
RoutingKey = "Test.*"
})),
RoutingKey = "TestQueue"
};
var eventReplayerMock = new Mock <IEventReplayer>();
var repositoryMock = new Mock <IAuditLogRepository <LogEntry, long> >();
var repository = repositoryMock.Object;
var eventReplayer = eventReplayerMock.Object;
var routingKeyMatcherMock = new Mock <IRoutingKeyMatcher>();
var routingKeyMatcher = routingKeyMatcherMock.Object;
var eventBusMock = new Mock <IEventBus>();
var eventBus = eventBusMock.Object;
var modelMock = new Mock <IModel>();
var model = modelMock.Object;
eventBusMock.Setup(mock => mock.Model).Returns(model);
eventBusMock.Setup(mock => mock.PublishCommand(It.IsAny <ReplayEventsResponse>()))
.Callback((DomainCommand response) => result = response as ReplayEventsResponse);
var commandListener = new AuditLogCommandListener(repository, eventReplayer, routingKeyMatcher, eventBus);
repositoryMock.Setup(mock => mock.FindBy(It.IsAny <LogEntryCriteria>()))
.Throws(new Exception());
// Act
commandListener.Handle(sender, basicDeliverEventArgs);
// Assert
Assert.AreEqual(StatusCodes.Status500InternalServerError, result.Code);
Assert.AreEqual("Internal Error", result.Status);
}
public void ReplayEventCallsFindByOnRepositoryWithRightCriteria()
{
// Arrange
var logEntryCriteria = new LogEntryCriteria();
var sender = new object();
var basicDeliverEventArgs = new BasicDeliverEventArgs
{
BasicProperties = new BasicProperties
{
Type = "SomeCommand",
Timestamp = new AmqpTimestamp(new DateTime(2019, 6, 4).Ticks),
},
Body = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(new ReplayEventsCommand
{
EventType = "DomainEvent",
RoutingKey = "Test.*"
})),
RoutingKey = "TestQueue"
};
var eventReplayerMock = new Mock <IEventReplayer>();
var repositoryMock = new Mock <IAuditLogRepository <LogEntry, long> >();
var repository = repositoryMock.Object;
var eventReplayer = eventReplayerMock.Object;
var routingKeyMatcherMock = new Mock <IRoutingKeyMatcher>();
var routingKeyMatcher = routingKeyMatcherMock.Object;
var eventBusMock = new Mock <IEventBus>();
var eventBus = eventBusMock.Object;
var modelMock = new Mock <IModel>();
var model = modelMock.Object;
eventBusMock.Setup(mock => mock.Model).Returns(model);
var commandListener = new AuditLogCommandListener(repository, eventReplayer, routingKeyMatcher, eventBus);
repositoryMock.Setup(mock => mock.FindBy(It.IsAny <LogEntryCriteria>()))
.Callback((LogEntryCriteria criteria) => logEntryCriteria = criteria);
// Act
commandListener.Handle(sender, basicDeliverEventArgs);
//
Assert.AreEqual("DomainEvent", logEntryCriteria.EventType);
Assert.AreEqual("Test.*", logEntryCriteria.RoutingKey);
Assert.AreEqual(null, logEntryCriteria.FromTimestamp);
Assert.AreEqual(null, logEntryCriteria.ToTimestamp);
}
public void ShouldImplementICommandListener()
{
// Arrange
var eventReplayerMock = new Mock <IEventReplayer>();
var repositoryMock = new Mock <IAuditLogRepository <LogEntry, long> >();
var repository = repositoryMock.Object;
var eventReplayer = eventReplayerMock.Object;
var routingKeyMatcherMock = new Mock <IRoutingKeyMatcher>();
var routingKeyMatcher = routingKeyMatcherMock.Object;
var eventBusMock = new Mock <IEventBus>();
var eventBus = eventBusMock.Object;
var modelMock = new Mock <IModel>();
var model = modelMock.Object;
eventBusMock.Setup(mock => mock.Model).Returns(model);
// Act
var commandListener = new AuditLogCommandListener(repository, eventReplayer, routingKeyMatcher, eventBus);
// Assert
Assert.IsInstanceOfType(commandListener, typeof(ICommandListener));
}
public void ReplayEventsReturnsReplayEventsResponse()
{
// Arrange
var sender = new object();
var basicDeliverEventArgs = new BasicDeliverEventArgs
{
BasicProperties = new BasicProperties
{
Type = "SomeCommand",
Timestamp = new AmqpTimestamp(new DateTime(2019, 6, 4).Ticks),
},
Body = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(new ReplayEventsCommand
{
EventType = "DomainEvent",
RoutingKey = "Test.*"
})),
RoutingKey = "TestQueue"
};
var eventReplayerMock = new Mock <IEventReplayer>();
var repositoryMock = new Mock <IAuditLogRepository <LogEntry, long> >();
var repository = repositoryMock.Object;
var eventReplayer = eventReplayerMock.Object;
var routingKeyMatcherMock = new Mock <IRoutingKeyMatcher>();
var routingKeyMatcher = routingKeyMatcherMock.Object;
var eventBusMock = new Mock <IEventBus>();
var eventBus = eventBusMock.Object;
var modelMock = new Mock <IModel>();
var model = modelMock.Object;
eventBusMock.Setup(mock => mock.Model).Returns(model);
var commandListener = new AuditLogCommandListener(repository, eventReplayer, routingKeyMatcher, eventBus);
// Act
commandListener.Handle(sender, basicDeliverEventArgs);
// Assert
eventBusMock.Verify(mock => mock.PublishCommand(It.IsAny <ReplayEventsResponse>()));
}
public static void Main(string[] args)
{
var logLevel = Environment.GetEnvironmentVariable("LOG_LEVEL") ??
throw new InvalidEnvironmentException(
"Environment variable [LOG_LEVEL] was not provided.");
Enum.TryParse(logLevel, true, out LogLevel result);
var loggerFactory = LoggerFactory.Create(builder => builder.SetMinimumLevel(result).AddConsole());
AuditLogLoggerFactory.LoggerFactory = loggerFactory;
var logger = loggerFactory.CreateLogger("Program");
try
{
var connectionString = Environment.GetEnvironmentVariable("CONNECTION_STRING") ??
throw new InvalidEnvironmentException(
"Environment variable [CONNECTION_STRING] was not provided.");
var options = new DbContextOptionsBuilder <AuditLogContext>()
.UseMySql(connectionString)
.Options;
using var context = new AuditLogContext(options);
var createdAndSeeded = false;
const int waitTime = 1000;
while (!createdAndSeeded)
{
try
{
context.Database.EnsureCreated();
createdAndSeeded = true;
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
Thread.Sleep(waitTime);
}
}
var repository = new AuditLogRepository(context);
var routingKeyMatcher = new RoutingKeyMatcher();
var eventListener = new AuditLogEventListener(repository);
var eventBusBuilder = new EventBusBuilder().FromEnvironment();
using var eventBus = eventBusBuilder.CreateEventBus(new ConnectionFactory
{
HostName = eventBusBuilder.HostName,
Port = eventBusBuilder.Port,
UserName = eventBusBuilder.UserName,
Password = eventBusBuilder.Password
});
var eventReplayer = new EventReplayer(eventBus);
var commandListener =
new AuditLogCommandListener(repository, eventReplayer, routingKeyMatcher, eventBus);
eventBus.AddEventListener(eventListener, "#");
eventBus.AddCommandListener(commandListener, "AuditLog");
logger.LogTrace("Host started, audit logger ready to log");
_stopEvent.WaitOne();
}
catch (Exception e)
{
logger.LogError($"Error occured while running the client with message: {e.Message}");
}
}
