public async Task when_unsubscribing_existing_subscriptions_then_subscriptions_are_deleted_and_ack_is_sent()
{
var sessionRepository = new Mock <IRepository <ClientSession> > ();
var clientId = Guid.NewGuid().ToString();
var packetId = (ushort)new Random().Next(0, ushort.MaxValue);
var topic = "foo/bar/test";
var qos = MqttQualityOfService.AtLeastOnce;
var session = new ClientSession {
ClientId = clientId,
Clean = false,
Subscriptions = new List <ClientSubscription> {
new ClientSubscription {
ClientId = clientId, MaximumQualityOfService = qos, TopicFilter = topic
}
}
};
var updatedSession = default(ClientSession);
sessionRepository.Setup(r => r.Get(It.IsAny <Expression <Func <ClientSession, bool> > > ())).Returns(session);
sessionRepository.Setup(r => r.Update(It.IsAny <ClientSession> ())).Callback <ClientSession> (s => updatedSession = s);
var unsubscribe = new Unsubscribe(packetId, topic);
var channel = new Mock <IMqttChannel <IPacket> > ();
var response = default(IPacket);
channel.Setup(c => c.SendAsync(It.IsAny <IPacket> ()))
.Callback <IPacket> (p => response = p)
.Returns(Task.Delay(0));
var connectionProvider = new Mock <IConnectionProvider> ();
connectionProvider
.Setup(p => p.GetConnection(It.Is <string> (c => c == clientId)))
.Returns(channel.Object);
var flow = new ServerUnsubscribeFlow(sessionRepository.Object);
await flow.ExecuteAsync(clientId, unsubscribe, channel.Object)
.ConfigureAwait(continueOnCapturedContext: false);
Assert.NotNull(response);
Assert.Equal(0, updatedSession.Subscriptions.Count);
var unsubscribeAck = response as UnsubscribeAck;
Assert.NotNull(unsubscribeAck);
Assert.Equal(packetId, unsubscribeAck.PacketId);
}
public async Task when_unsubscribing_existing_subscriptions_then_subscriptions_are_deleted_and_ack_is_sent()
{
Mock <IRepository <ClientSession> > sessionRepository = new Mock <IRepository <ClientSession> >();
string clientId = Guid.NewGuid().ToString();
ushort packetId = (ushort)new Random().Next(0, ushort.MaxValue);
string topic = "foo/bar/test";
MqttQualityOfService qos = MqttQualityOfService.AtLeastOnce;
ClientSession session = new ClientSession(clientId, clean: false)
{
Subscriptions = new List <ClientSubscription> {
new ClientSubscription {
ClientId = clientId, MaximumQualityOfService = qos, TopicFilter = topic
}
}
};
ClientSession updatedSession = default;
sessionRepository.Setup(r => r.Read(It.IsAny <string>())).Returns(session);
sessionRepository.Setup(r => r.Update(It.IsAny <ClientSession>())).Callback <ClientSession>(s => updatedSession = s);
Unsubscribe unsubscribe = new Unsubscribe(packetId, topic);
Mock <IMqttChannel <IPacket> > channel = new Mock <IMqttChannel <IPacket> >();
IPacket response = default;
channel.Setup(c => c.SendAsync(It.IsAny <IPacket>()))
.Callback <IPacket>(p => response = p)
.Returns(Task.Delay(0));
Mock <IConnectionProvider> connectionProvider = new Mock <IConnectionProvider>();
connectionProvider
.Setup(p => p.GetConnection(It.Is <string>(c => c == clientId)))
.Returns(channel.Object);
ServerUnsubscribeFlow flow = new ServerUnsubscribeFlow(sessionRepository.Object);
await flow.ExecuteAsync(clientId, unsubscribe, channel.Object);
Assert.NotNull(response);
0.Should().Be(updatedSession.Subscriptions.Count);
UnsubscribeAck unsubscribeAck = response as UnsubscribeAck;
Assert.NotNull(unsubscribeAck);
packetId.Should().Be(unsubscribeAck.PacketId);
}
public async Task when_unsubscribing_not_existing_subscriptions_then_ack_is_sent()
{
var sessionRepository = new Mock <IRepository <ClientSession> > ();
var clientId = Guid.NewGuid().ToString();
var packetId = (ushort)new Random().Next(0, ushort.MaxValue);
var session = new ClientSession {
ClientId = clientId,
Clean = false
};
sessionRepository.Setup(r => r.Get(It.IsAny <Expression <Func <ClientSession, bool> > > ())).Returns(session);
var unsubscribe = new Unsubscribe(packetId, "foo/bar");
var channel = new Mock <IMqttChannel <IPacket> > ();
var response = default(IPacket);
channel.Setup(c => c.SendAsync(It.IsAny <IPacket> ()))
.Callback <IPacket> (p => response = p)
.Returns(Task.Delay(0));
var connectionProvider = new Mock <IConnectionProvider> ();
connectionProvider
.Setup(p => p.GetConnection(It.Is <string> (c => c == clientId)))
.Returns(channel.Object);
var flow = new ServerUnsubscribeFlow(sessionRepository.Object);
await flow.ExecuteAsync(clientId, unsubscribe, channel.Object)
.ConfigureAwait(continueOnCapturedContext: false);
sessionRepository.Verify(r => r.Delete(It.IsAny <Expression <Func <ClientSession, bool> > > ()), Times.Never);
Assert.NotNull(response);
var unsubscribeAck = response as UnsubscribeAck;
Assert.NotNull(unsubscribeAck);
Assert.Equal(packetId, unsubscribeAck.PacketId);
}
public async Task when_unsubscribing_not_existing_subscriptions_then_ack_is_sent()
{
Mock <IRepository <ClientSession> > sessionRepository = new Mock <IRepository <ClientSession> >();
string clientId = Guid.NewGuid().ToString();
ushort packetId = (ushort)new Random().Next(0, ushort.MaxValue);
ClientSession session = new ClientSession(clientId, clean: false);
sessionRepository.Setup(r => r.Read(It.IsAny <string>())).Returns(session);
Unsubscribe unsubscribe = new Unsubscribe(packetId, "foo/bar");
Mock <IMqttChannel <IPacket> > channel = new Mock <IMqttChannel <IPacket> >();
IPacket response = default;
channel.Setup(c => c.SendAsync(It.IsAny <IPacket>()))
.Callback <IPacket>(p => response = p)
.Returns(Task.Delay(0));
Mock <IConnectionProvider> connectionProvider = new Mock <IConnectionProvider>();
connectionProvider
.Setup(p => p.GetConnection(It.Is <string>(c => c == clientId)))
.Returns(channel.Object);
ServerUnsubscribeFlow flow = new ServerUnsubscribeFlow(sessionRepository.Object);
await flow.ExecuteAsync(clientId, unsubscribe, channel.Object);
sessionRepository.Verify(r => r.Delete(It.IsAny <string>()), Times.Never);
Assert.NotNull(response);
UnsubscribeAck unsubscribeAck = response as UnsubscribeAck;
Assert.NotNull(unsubscribeAck);
packetId.Should().Be(unsubscribeAck.PacketId);
}