public void WorksWhenMessageReferenceIsOfTheSupertype()
{
// arrange
var data = new CounterpartData {
Dcid = 800
};
var calledHandlers = new List <string>();
var fixture = new SagaFixture <CounterpartData>(new CounterpartUpdater(calledHandlers));
fixture.AddSagaData(data);
CounterpartChanged messageSupertype1 = new CounterpartCreated {
Dcid = 800
};
CounterpartChanged messageSupertype2 = new CounterpartUpdated {
Dcid = 800
};
// act
// assert
fixture.Handle(messageSupertype1);
fixture.Handle(messageSupertype2);
calledHandlers.ShouldBe(new List <string>
{
"CounterpartCreated",
"CounterpartUpdated",
});
}
public void GetsHumanReadableExceptionWhenSomethingGoesWrong()
{
// arrange
var data = new List <SomeSagaData> {
new SomeSagaData {
SagaDataId = 23
}
};
var fixture = new SagaFixture <SomeSagaData>(new SomeSaga());
fixture.AddSagaData(data);
// act
var exception = Assert.Throws <ApplicationException>(() => fixture.Handle(new SomePoisonMessage {
SagaDataId = 23
}));
Console.WriteLine(exception.ToString());
// assert
exception.Message.ShouldContain("Oh no, something bad happened while processing message with saga data id 23");
}
public void CanUseSagaDataProvidedInVariousWays(string howToProvideSagaData)
{
// arrange
const string recognizableText = "this, I can recognize!";
var someSagaData = new SomeSagaData {
SagaDataId = 10, JustSomeText = recognizableText
};
SagaFixture <SomeSagaData> fixture;
switch (howToProvideSagaData)
{
//case "in the list":
// fixture = new SagaFixture<SomeSagaData>(new SomeSaga(), new List<SomeSagaData> { someSagaData });
// break;
case "after the fact":
fixture = new SagaFixture <SomeSagaData>(new SomeSaga());
fixture.AddSagaData(someSagaData);
break;
default:
throw new ArgumentException(string.Format("Don't know how to provide saga data like this: {0}", howToProvideSagaData), "howToProvideSagaData");
}
// act
fixture.Handle(new SomeMessage {
SagaDataId = 10
});
// assert
var availableSagaData = fixture.AvailableSagaData;
availableSagaData.Count().ShouldBe(1);
var sagaDataClone = availableSagaData.Single(d => d.SagaDataId == 10);
sagaDataClone.JustSomeText.ShouldBe(recognizableText);
}