public void When_Chain_AddLinkByAttribute_ExpectResults()
{
var chain = GenericChain <int> .Create(0, new Configuration(stopOnFailure : true));
chain
.AddDecoratedLink("MyCustomLink")
.OnCompleted(data => Assert.AreEqual(1, data))
.Run();
}
public void When_Chain_IsCreatedWithStringPayload_ExpectRetainValue()
{
var chain = GenericChain <string> .Create("my payload");
chain
.AddLink(data => data.Payload += " with more data")
.AddLink(data => data.Payload += " that should remain")
.AddLink(data => data.Payload += " across calls")
.OnCompleted(data => Assert.AreEqual("my payload with more data that should remain across calls", data))
.Run();
}
public void When_Chain_IsCreated_ExpectExecution()
{
var chain = GenericChain <PayloadType> .Create();
chain
.AddLink(data => data.Payload.Sum = 0)
.AddLink(data => data.Payload.Sum += 10)
.AddLink(data => data.Payload.Sum += 20)
.OnCompleted(data => Assert.AreEqual(30, data.Sum))
.Run();
}
public void When_Chain_UsesCustomLinkType_ExpectResults()
{
var chain = GenericChain <int> .Create(0);
chain
.AddLink(new MyOwnAction())
.AddLink(new MyOwnAction())
.AddLink(new MyOwnAction())
.OnCompleted(data => Assert.AreEqual(3, data))
.Run();
}
public void When_Chain_FailAndStopOnFailureIsSet_OnCompleted_IsNotExecuted()
{
var chain = GenericChain <int> .Create(0, new Configuration(stopOnFailure : true));
chain
.AddLink(data => data.Payload = 10)
.AddLink(data => throw new Exception())
.OnCompleted(data => Assert.Fail())
.Run();
Assert.IsTrue(true);
}
public void When_Chain_IsCanceled_ExpectResults()
{
var chain = GenericChain <int> .Create(0);
chain
.AddLink(data => data.Payload = 10)
.AddLink(data => data.Payload += 1)
.AddLink(data => data.Cancel = true)
.AddLink(data => data.Payload += 1)
.OnCompleted(data => Assert.AreEqual(11, data))
.Run();
}
public void When_Chain_IsCreatedWithPayload_ExpectRetainInstance()
{
var myLocalPayload = new PayloadType
{
Sum = 20
};
var chain = GenericChain <PayloadType> .Create(myLocalPayload);
chain
.AddLink(data => data.Payload.Sum += 10)
.AddLink(data => data.Payload.Sum += 10)
.AddLink(data => data.Payload.Sum += 20)
.OnCompleted(data => Assert.AreEqual(60, data.Sum))
.Run();
Assert.AreEqual(60, myLocalPayload.Sum);
}
public void When_Chain_Fail_ExpectError()
{
var chain = GenericChain <int> .Create(0, new Configuration(stopOnFailure : true));
chain
.AddLink(data => data.Payload = 10)
.AddLink(data => {
data.Payload += 1;
throw new Exception("Chain exception");
})
.OnError((data, ex) =>
{
Assert.AreEqual(11, data);
Assert.AreEqual("Chain exception", ex.Message);
throw ex;
})
.Run();
}
public void When_Chain_FailAndRepeat_ExpectResults()
{
var chain = GenericChain <int> .Create(0,
new Configuration(
stopOnFailure : false,
repeatTimesOnFailure : 3
)
);
chain
.AddLink(data => data.Payload = 10)
.AddLink(data => {
data.Payload += 1;
//force exception
throw new Exception();
})
.OnCompleted(data => Assert.AreEqual(13, data))
.Run();
}
public void When_Chain_IsCreatedWithAbstract_ExpectException()
{
GenericChain <AbstractType> .Create();
}
