public async void GetNextMessage()
{
using (TestHostContext tc = CreateTestContext())
using (var tokenSource = new CancellationTokenSource())
{
Tracing trace = tc.GetTrace();
// Arrange.
var expectedSession = new TaskAgentSession();
PropertyInfo sessionIdProperty = expectedSession.GetType().GetProperty("SessionId", BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
Assert.NotNull(sessionIdProperty);
sessionIdProperty.SetValue(expectedSession, Guid.NewGuid());
_agentServer
.Setup(x => x.CreateAgentSessionAsync(
_settings.PoolId,
It.Is <TaskAgentSession>(y => y != null),
tokenSource.Token))
.Returns(Task.FromResult(expectedSession));
_capabilitiesManager.Setup(x => x.GetCapabilitiesAsync(_settings, It.IsAny <CancellationToken>())).Returns(Task.FromResult(new Dictionary <string, string>()));
_credMgr.Setup(x => x.LoadCredentials()).Returns(new Common.VssCredentials());
// Act.
MessageListener listener = new MessageListener();
listener.Initialize(tc);
bool result = await listener.CreateSessionAsync(tokenSource.Token);
Assert.True(result);
Assert.Equal(expectedSession, listener.Session);
var arMessages = new TaskAgentMessage[]
{
new TaskAgentMessage
{
Body = "somebody1",
MessageId = 4234,
MessageType = JobRequestMessageTypes.AgentJobRequest
},
new TaskAgentMessage
{
Body = "somebody2",
MessageId = 4235,
MessageType = JobCancelMessage.MessageType
},
null, //should be skipped by GetNextMessageAsync implementation
null,
new TaskAgentMessage
{
Body = "somebody3",
MessageId = 4236,
MessageType = JobRequestMessageTypes.AgentJobRequest
}
};
var messages = new Queue <TaskAgentMessage>(arMessages);
_agentServer
.Setup(x => x.GetAgentMessageAsync(
_settings.PoolId, expectedSession.SessionId, It.IsAny <long?>(), tokenSource.Token))
.Returns(async(Int32 poolId, Guid sessionId, Int64? lastMessageId, CancellationToken cancellationToken) =>
{
await Task.Yield();
return(messages.Dequeue());
});
TaskAgentMessage message1 = await listener.GetNextMessageAsync(tokenSource.Token);
TaskAgentMessage message2 = await listener.GetNextMessageAsync(tokenSource.Token);
TaskAgentMessage message3 = await listener.GetNextMessageAsync(tokenSource.Token);
Assert.Equal(arMessages[0], message1);
Assert.Equal(arMessages[1], message2);
Assert.Equal(arMessages[4], message3);
//Assert
_agentServer
.Verify(x => x.GetAgentMessageAsync(
_settings.PoolId, expectedSession.SessionId, It.IsAny <long?>(), tokenSource.Token), Times.Exactly(arMessages.Length));
}
}