public When_an_action_is_performed_on_a_closed_channel_that_then_opens()
{
persistentConnection = Substitute.For <IPersistentConnection>();
channel = Substitute.For <IModel>();
var eventBus = new EventBus();
var configuration = new ConnectionConfiguration();
var shutdownArgs = new ShutdownEventArgs(
ShutdownInitiator.Peer,
AmqpException.ConnectionClosed,
"connection closed by peer");
var exception = new OperationInterruptedException(shutdownArgs);
persistentConnection.CreateModel().Returns(x => { throw exception; },
x => channel,
x => channel);
var logger = Substitute.For <IEasyNetQLogger>();
persistentChannel = new PersistentChannel(persistentConnection, logger, configuration, eventBus);
new Timer(_ => eventBus.Publish(new ConnectionCreatedEvent()), null, 10, Timeout.Infinite);
persistentChannel.InvokeChannelAction(x => x.ExchangeDeclare("MyExchange", "direct"));
}
public void Can_consume_messages_with_BasicConsumer()
{
using (IConnection connection = mqFactory.CreateConnection())
using (IModel channel = connection.CreateModel())
{
OperationInterruptedException lastEx = null;
channel.Close();
ThreadPool.QueueUserWorkItem(_ =>
{
try
{
PublishHelloRabbit(channel);
}
catch (Exception ex)
{
lastEx = ex as OperationInterruptedException;
"Caught {0}: {1}".Print(ex.GetType().Name, ex);
}
});
Thread.Sleep(1000);
Assert.That(lastEx, Is.Not.Null);
"EOF...".Print();
}
}
public When_an_action_is_performed_on_a_closed_channel_that_doesnt_open_again()
{
persistentConnection = Substitute.For <IPersistentConnection>();
var eventBus = Substitute.For <IEventBus>();
var configuration = new ConnectionConfiguration
{
Timeout = 1
};
var shutdownArgs = new ShutdownEventArgs(
ShutdownInitiator.Peer,
AmqpException.ConnectionClosed,
"connection closed by peer");
var exception = new OperationInterruptedException(shutdownArgs);
persistentConnection.When(x => x.CreateModel()).Do(x =>
{
throw exception;
});
var logger = Substitute.For <IEasyNetQLogger>();
persistentChannel = new PersistentChannel(persistentConnection, logger, configuration, eventBus);
}
public void SetUp()
{
persistentConnection = MockRepository.GenerateStub <IPersistentConnection>();
var eventBus = MockRepository.GenerateStub <IEventBus>();
var configuration = new ConnectionConfiguration
{
Timeout = 1
};
var shutdownArgs = new ShutdownEventArgs(
ShutdownInitiator.Peer,
AmqpException.ConnectionClosed,
"connection closed by peer");
var exception = new OperationInterruptedException(shutdownArgs);
persistentConnection.Stub(x => x.CreateModel()).WhenCalled(x =>
{
throw exception;
});
var logger = MockRepository.GenerateStub <IEasyNetQLogger>();
persistentChannel = new PersistentChannel(persistentConnection, logger, configuration, eventBus);
}
public void SetUp()
{
persistentConnection = MockRepository.GenerateStub <IPersistentConnection>();
channel = MockRepository.GenerateStub <IModel>();
var eventBus = new EventBus();
var configuration = new ConnectionConfiguration();
var shutdownArgs = new ShutdownEventArgs(
ShutdownInitiator.Peer,
AmqpException.ConnectionClosed,
"connection closed by peer");
var exception = new OperationInterruptedException(shutdownArgs);
var first = true;
persistentConnection.Stub(x => x.CreateModel()).WhenCalled(x =>
{
if (first)
{
first = false;
throw exception;
}
x.ReturnValue = channel;
});
var logger = MockRepository.GenerateStub <IEasyNetQLogger>();
persistentChannel = new PersistentChannel(persistentConnection, logger, configuration, eventBus);
new Timer(_ => eventBus.Publish(new ConnectionCreatedEvent())).Change(10, Timeout.Infinite);
persistentChannel.InvokeChannelAction(x => x.ExchangeDeclare("MyExchange", "direct"));
}
public void TestBindOnNonExistingExchange()
{
OperationInterruptedException exception = Assert.Throws <OperationInterruptedException>(() => _model.ExchangeBind("NonExistingQueue", "", string.Empty));
Assert.True(exception.Message.Contains("403"), $"Message doesn't contain the expected 403 part: {exception.Message}");
Assert.False(_model.IsOpen, "Channel should be closed due to the soft error");
Assert.True(_conn.IsOpen, "Connection should still be open due to the soft error only closing the channel");
}
private bool IsQueueMissing(OperationInterruptedException exception)
{
var reason = exception.ShutdownReason;
const int missingQueueReplyCode = 404;
return(reason.ReplyCode == missingQueueReplyCode);
}
public void TestConsumeOnNonExistingQueue()
{
OperationInterruptedException exception = Assert.Throws <OperationInterruptedException>(() =>
{
var consumer = new EventingBasicConsumer(_model); _model.BasicConsume("NonExistingQueue", true, consumer);
});
Assert.True(exception.Message.Contains("404"), $"Message doesn't contain the expected 404 part: {exception.Message}");
Assert.False(_model.IsOpen, "Channel should be closed due to the soft error");
Assert.True(_conn.IsOpen, "Connection should still be open due to the soft error only closing the channel");
}
/// <summary>
/// 显示异常
/// </summary>
public string Show(OperationInterruptedException ex)
{
switch (ex.ShutdownReason.ReplyCode)
{
case 404:
return("队列未找到，请先启动生产者");
default:
return(ex.ShutdownReason.ReplyText);
}
}
private static bool NeedRethrow(OperationInterruptedException exception)
{
try
{
var amqpException = AmqpExceptionGrammar.ParseExceptionString(exception.Message);
return(amqpException.Code != AmqpException.ConnectionClosed);
}
catch (ParseException)
{
return(true);
}
}
public When_an_action_is_performed_on_a_closed_channel_that_doesnt_open_again()
{
var persistentConnection = Substitute.For <IPersistentConnection>();
var eventBus = Substitute.For <IEventBus>();
var shutdownArgs = new ShutdownEventArgs(
ShutdownInitiator.Peer,
AmqpErrorCodes.ConnectionClosed,
"connection closed by peer"
);
var exception = new OperationInterruptedException(shutdownArgs);
persistentConnection.When(x => x.CreateModel()).Do(x => throw exception);
persistentChannel = new PersistentChannel(new PersistentChannelOptions(), persistentConnection, eventBus);
}
public void Can_consume_messages_with_BasicConsumer()
{
RabbitMqConfig.UsingChannel(channel => {
OperationInterruptedException lastEx = null;
channel.Close();
void CallBack()
{
try {
PublishHelloRabbit(channel);
} catch (Exception ex) {
lastEx = ex as OperationInterruptedException;
Console.WriteLine("Caught {0}: {1}", ex.GetType().Name, ex);
}
}
ExecUtils.ExecMultiThreading(1, CallBack);
Assert.That(lastEx, Is.Not.Null);
});
}
public void QueueDeclare(string exchange, string queue = "", string exchangeType = "fanout", bool durable = false,
int messageTtl = 0, int messageMaxLen = 0, int autoDeleteTime = 0, string routingKey = null,
string deadExchange = "", string deadRoutingKey = "")
{
if (string.IsNullOrEmpty(exchange))
{
throw new ArgumentException("Exchange名不能为空", nameof(exchange));
}
using (IModel channel = GetChannel())
{
OperationInterruptedException declareExp = null;
try
{
channel.ExchangeDeclare(exchange, exchangeType, durable);
}
catch (OperationInterruptedException exp)
{
// Exchange已经存在，重新定义参数不相同时，会报错，错误信息举例：
// "The AMQP operation was interrupted: AMQP close-reason, initiated by Peer, code=406,
// text =\"PRECONDITION_FAILED - inequivalent arg 'type' for exchange 'xxx' in vhost '/': received 'fanout' but current is 'topic'\",
// classId =40, methodId=10, cause="
declareExp = exp;
}
if (!string.IsNullOrEmpty(queue))
{
QueueBind(channel, exchange, queue, durable, messageTtl, messageMaxLen,
autoDeleteTime, routingKey, deadExchange, deadRoutingKey);
}
if (declareExp != null)
{
// Exchange存在时，允许绑定后，再抛出此异常
throw declareExp;
}
}
}
public void SetUp()
{
persistentConnection = MockRepository.GenerateStub <IPersistentConnection>();
channel = MockRepository.GenerateStub <IModel>();
var eventBus = new EventBus();
var configuration = new ConnectionConfiguration();
var shutdownArgs = new ShutdownEventArgs(
ShutdownInitiator.Peer,
AmqpException.ConnectionClosed,
"connection closed by peer");
var exception = new OperationInterruptedException(shutdownArgs);
persistentConnection.Stub(x => x.CreateModel()).Throw(exception).Repeat.Once();
persistentConnection.Stub(x => x.CreateModel()).Return(channel).Repeat.Any();
var logger = MockRepository.GenerateStub <IEasyNetQLogger>();
persistentChannel = new PersistentChannel(persistentConnection, logger, configuration, eventBus);
new Timer(_ => eventBus.Publish(new ConnectionCreatedEvent())).Change(10, Timeout.Infinite);
persistentChannel.InvokeChannelAction(x => x.ExchangeDeclare("MyExchange", "direct"), DateTime.UtcNow);
}
public When_an_action_is_performed_on_a_closed_channel_that_then_opens()
{
var persistentConnection = Substitute.For <IPersistentConnection>();
channel = Substitute.For <IModel, IRecoverable>();
var eventBus = new EventBus();
var shutdownArgs = new ShutdownEventArgs(
ShutdownInitiator.Peer,
AmqpErrorCodes.ConnectionClosed,
"connection closed by peer"
);
var exception = new OperationInterruptedException(shutdownArgs);
persistentConnection.CreateModel().Returns(
x => throw exception, x => channel, x => channel
);
var persistentChannel = new PersistentChannel(
new PersistentChannelOptions(), persistentConnection, eventBus
);
persistentChannel.InvokeChannelAction(x => x.ExchangeDeclare("MyExchange", "direct"));
}
internal static bool Is404(this OperationInterruptedException ex)
{
return(ex.Message.Contains("code=404"));
}
public static bool HasReplyCode(this OperationInterruptedException exception, int code) => exception.ShutdownReason != null && exception.ShutdownReason.ReplyCode == code;
