public async Task GetInitialState_CurrentFlowIsSecondFlow_ThrowsException()
{
//Arrange
var initialStateContext = new InitialStateContext(
Substitute.For <IMediator>(),
Substitute.For <IProvisioningStateFactory>());
var nextStateContext = new NextStateContext(
Substitute.For <IMediator>(),
Substitute.For <IProvisioningStateFactory>(),
Substitute.For <IProvisioningState>());
var fakeProvisioningStateFlow1 = Substitute.For <IProvisioningStateFlow>();
fakeProvisioningStateFlow1
.GetNextStateAsync(nextStateContext)
.Returns((IProvisioningState)null);
var fakeProvisioningStateFlow2 = Substitute.For <IProvisioningStateFlow>();
var flow = new AggregateProvisioningStateFlow(
fakeProvisioningStateFlow1,
fakeProvisioningStateFlow2);
await flow.GetNextStateAsync(nextStateContext);
//Act
var exception = await Assert.ThrowsExceptionAsync <InvalidOperationException>(async() =>
await flow.GetInitialStateAsync(initialStateContext));
//Assert
Assert.IsNotNull(exception);
}
public async Task GetNextState_CurrentFlowIsFirstFlowAndFinished_ReturnsInitialStateOfSecondFlow()
{
//Arrange
var nextStateContext = new NextStateContext(
Substitute.For <IMediator>(),
Substitute.For <IProvisioningStateFactory>(),
Substitute.For <IProvisioningState>());
var fakeProvisioningStateFlow1 = Substitute.For <IProvisioningStateFlow>();
fakeProvisioningStateFlow1
.GetNextStateAsync(nextStateContext)
.Returns((IProvisioningState)null);
var fakeProvisioningStateFlow2 = Substitute.For <IProvisioningStateFlow>();
var fakeInitialSecondFlowState = Substitute.For <IProvisioningState>();
fakeProvisioningStateFlow2
.GetInitialStateAsync(Arg.Any <InitialStateContext>())
.Returns(fakeInitialSecondFlowState);
var flow = new AggregateProvisioningStateFlow(
fakeProvisioningStateFlow1,
fakeProvisioningStateFlow2);
//Act
var nextState = await flow.GetNextStateAsync(nextStateContext);
//Assert
Assert.AreSame(fakeInitialSecondFlowState, nextState);
}
public async Task GetNextState_CurrentFlowIsFirstFlowAndNotFinished_ReturnsNextStateOfFirstFlow()
{
//Arrange
var nextStateContext = new NextStateContext(
Substitute.For <IMediator>(),
Substitute.For <IProvisioningStateFactory>(),
Substitute.For <IProvisioningState>());
var fakeProvisioningStateFlow1 = Substitute.For <IProvisioningStateFlow>();
var fakeProvisioningStateFlow2 = Substitute.For <IProvisioningStateFlow>();
var fakeNextState = await fakeProvisioningStateFlow1.GetNextStateAsync(nextStateContext);
var flow = new AggregateProvisioningStateFlow(
fakeProvisioningStateFlow1,
fakeProvisioningStateFlow2);
//Act
var nextState = await flow.GetNextStateAsync(nextStateContext);
//Assert
Assert.AreSame(fakeNextState, nextState);
}
public async Task GetNextState_CurrentFlowIsFinalFlowAndFinished_ReturnsNull()
{
//Arrange
var nextStateContext = new NextStateContext(
Substitute.For <IMediator>(),
Substitute.For <IProvisioningStateFactory>(),
Substitute.For <IProvisioningState>());
var fakeProvisioningStateFlow1 = Substitute.For <IProvisioningStateFlow>();
fakeProvisioningStateFlow1
.GetNextStateAsync(nextStateContext)
.Returns((IProvisioningState)null);
var flow = new AggregateProvisioningStateFlow(
fakeProvisioningStateFlow1);
//Act
var nextState = await flow.GetNextStateAsync(nextStateContext);
//Assert
Assert.IsNull(nextState);
}