public void ExpectInitialStateToBeFirst()
{
var state1 = new Mock<IFlowSate>();
var state2 = new Mock<IFlowSate>();
var flowstates = new IFlowSate[] { state1.Object, state2.Object };
var factory = CreateFactory();
var provider = new StateProvider(flowstates, factory);
var result = provider.GetNext();
Assert.Equal(state1.Object, result);
}
public void ExpectNextGivenStateIfCurrentCopmpleted()
{
var state1 = new Mock<IFlowSate>();
var state2 = new Mock<IFlowSate>();
var flowstates = new IFlowSate[] { state1.Object, state2.Object };
var factory = CreateFactory();
var provider = new StateProvider(flowstates, factory);
state1.Setup(s => s.Completed).Returns(true);
var result = provider.GetNext();
Assert.Equal(state2.Object, result);
}
public void ExpectExceptionIfProviderHasNoMoreNextStates()
{
var state1 = new Mock<IFlowSate>();
var state2 = new Mock<IFlowSate>();
var flowstates = new IFlowSate[] { state1.Object, state2.Object };
var factory = CreateFactory();
var provider = new StateProvider(flowstates, factory);
state1.Setup(s => s.Completed).Returns(true);
state2.Setup(s => s.Completed).Returns(true);
Assert.Throws<InvalidOperationException>(() => provider.GetNext());
}
