public void ParallelStateWithCatchers()
{
var stateMachine = StateMachineBuilder.StateMachine()
.StartAt("InitialState")
.State("InitialState", StateMachineBuilder.ParallelState()
.Transition(StateMachineBuilder.End())
.Branches(
StateMachineBuilder.SubStateMachine()
.Comment("Branch one")
.StartAt("BranchOneInitial")
.State("BranchOneInitial", StateMachineBuilder.SucceedState()),
StateMachineBuilder.SubStateMachine()
.Comment("Branch two")
.StartAt("BranchTwoInitial")
.State("BranchTwoInitial", StateMachineBuilder.SucceedState())
)
.Catchers(StateMachineBuilder.Catcher()
.ErrorEquals("Foo", "Bar")
.Transition(StateMachineBuilder.Next("RecoveryState"))
.ResultPath("$.result"),
StateMachineBuilder.Catcher()
.CatchAll()
.Transition(StateMachineBuilder.Next("OtherRecoveryState"))
.ResultPath("$.result")
))
.State("RecoveryState", StateMachineBuilder.SucceedState())
.State("OtherRecoveryState", StateMachineBuilder.SucceedState())
.Build();
AssertStateMachine(stateMachine, "ParallelStateWithCatchers.json");
}
public void ParallelState_ChoiceStateWithTerminalPath_IsValid()
{
AssertHasPathToTerminal(
StateMachineBuilder.StateMachine()
.StartAt("Parallel")
.State("Parallel", StateMachineBuilder.ParallelState()
.Transition(StateMachineBuilder.End())
.Branch(StateMachineBuilder.SubStateMachine()
.StartAt("Initial")
.State("Initial", StateMachineBuilder.PassState()
.Transition(StateMachineBuilder
.Next("Choice")))
.State("Choice", StateMachineBuilder.ChoiceState()
.DefaultStateName("Default")
.Choice(StateMachineBuilder.Choice()
.Transition(StateMachineBuilder
.Next("Initial"))
.Condition(StateMachineBuilder
.StringEquals("$.foo",
"bar")))
.Choice(StateMachineBuilder.Choice()
.Transition(StateMachineBuilder
.Next("Default"))
.Condition(StateMachineBuilder
.StringEquals("$.foo",
"bar"))))
.State("Default",
StateMachineBuilder
.PassState().Transition(StateMachineBuilder.End())))));
}
public void ParallelStateWithRetriers()
{
var stateMachine = StateMachineBuilder.StateMachine()
.StartAt("InitialState")
.State("InitialState", StateMachineBuilder.ParallelState()
.Transition(StateMachineBuilder.End())
.Branches(
StateMachineBuilder.SubStateMachine()
.Comment("Branch one")
.StartAt("BranchOneInitial")
.State("BranchOneInitial", StateMachineBuilder.SucceedState()),
StateMachineBuilder.SubStateMachine()
.Comment("Branch two")
.StartAt("BranchTwoInitial")
.State("BranchTwoInitial", StateMachineBuilder.SucceedState())
)
.Retriers(StateMachineBuilder.Retrier()
.ErrorEquals("Foo", "Bar")
.IntervalSeconds(10)
.BackoffRate(1.0)
.MaxAttempts(3),
StateMachineBuilder.Retrier()
.RetryOnAllErrors()
.IntervalSeconds(10)
.BackoffRate(1.0)
.MaxAttempts(3)
))
.Build();
AssertStateMachine(stateMachine, "ParallelStateWithRetriers.json");
}
public void SimpleParallelState()
{
var stateMachine = StateMachineBuilder.StateMachine()
.StartAt("InitialState")
.State("InitialState", StateMachineBuilder.ParallelState()
.Comment("My parallel state")
.InputPath("$.input")
.OutputPath("$.output")
.ResultPath("$.result")
.Parameters(JObject.FromObject(new { value = "param" }))
.ResultSelector(JObject.FromObject(new { value = "param" }))
.Transition(StateMachineBuilder.Next("NextState"))
.Branches(
StateMachineBuilder.SubStateMachine()
.Comment("Branch one")
.StartAt("BranchOneInitial")
.State("BranchOneInitial", StateMachineBuilder.SucceedState()),
StateMachineBuilder.SubStateMachine()
.Comment("Branch two")
.StartAt("BranchTwoInitial")
.State("BranchTwoInitial", StateMachineBuilder.SucceedState())
))
.State("NextState", StateMachineBuilder.SucceedState())
.Build();
AssertStateMachine(stateMachine, "SimpleParallelState.json");
}
public void ParallelStateWithNoBranches_IsNotValid()
{
Assert.Throws <ValidationException>(() =>
StateMachineBuilder.StateMachine()
.StartAt("Initial")
.State("Initial", StateMachineBuilder.ParallelState()
.Transition(StateMachineBuilder.End()))
.Build());
}
public void ParallelStateInvalidBranchState_IsNotValid()
{
Assert.Throws <ValidationException>(() =>
StateMachineBuilder.StateMachine()
.StartAt("Initial")
.State("Initial", StateMachineBuilder.ParallelState()
.Branch(StateMachineBuilder.SubStateMachine()
.StartAt("InitialBranchState")
.State("InitialBranchState", StateMachineBuilder.FailState()))
.Transition(StateMachineBuilder.End()))
.Build());
}
public void ParallelStateWithInvalidTransition_IsNotValid()
{
Assert.Throws <ValidationException>(() =>
StateMachineBuilder.StateMachine()
.StartAt("Initial")
.State("Initial", StateMachineBuilder.ParallelState()
.Branch(StateMachineBuilder.SubStateMachine()
.StartAt("InitialBranchState")
.State("InitialBranchState", StateMachineBuilder.SucceedState()))
.Transition(StateMachineBuilder.Next("NoSuchState")))
.Build());
}
public void ParallelStateInvalidRetrier_IsNotValid()
{
Assert.Throws <ValidationException>(() =>
StateMachineBuilder.StateMachine()
.StartAt("Initial")
.State("Initial", StateMachineBuilder.ParallelState()
.Branch(StateMachineBuilder.SubStateMachine()
.StartAt("InitialBranchState")
.State("InitialBranchState", StateMachineBuilder.SucceedState()))
.Transition(StateMachineBuilder.End())
.Retrier(StateMachineBuilder.Retrier()
.IntervalSeconds(-1)))
.Build());
}
public void ParallelState_NoCycles()
{
AssertNoCycle(StateMachineBuilder.StateMachine()
.StartAt("Initial")
.State("Initial", StateMachineBuilder.ParallelState()
.Branch(StateMachineBuilder.SubStateMachine()
.StartAt("BranchOneStart")
.State("BranchOneStart", StateMachineBuilder.SucceedState()))
.Branch(StateMachineBuilder.SubStateMachine()
.StartAt("BranchTwoStart")
.State("BranchTwoStart", StateMachineBuilder.PassState()
.Transition(StateMachineBuilder
.Next("NextState")))
.State("NextState", StateMachineBuilder.SucceedState()))
.Transition(StateMachineBuilder.End())));
}
public void ParallelState_WithCycles_IsNotValid()
{
Assert.Throws <ValidationException>(() =>
AssertCycle(StateMachineBuilder.StateMachine()
.StartAt("Parallel")
.State("Parallel", StateMachineBuilder.ParallelState()
.Branch(StateMachineBuilder.SubStateMachine()
.StartAt("BranchOneInitial")
.State("BranchOneInitial", StateMachineBuilder
.PassState()
.Transition(StateMachineBuilder
.Next("CyclicState")))
.State("CyclicState", StateMachineBuilder
.PassState()
.Transition(StateMachineBuilder
.Next("BranchOneInitial"))))
.Transition(StateMachineBuilder.End()))));
}
public void SimpleParallelStateWithTasks()
{
var stateMachine = StateMachineBuilder.StateMachine()
.StartAt("para")
.State("para", StateMachineBuilder.ParallelState()
.Transition(StateMachineBuilder.End())
.Branches(
StateMachineBuilder.SubStateMachine()
.StartAt("t")
.State("t",
StateMachineBuilder.TaskState().Resource("t").Transition(StateMachineBuilder.End())),
StateMachineBuilder.SubStateMachine()
.StartAt("u")
.State("u",
StateMachineBuilder.TaskState().Resource("u").Transition(StateMachineBuilder.End()))
))
.Build();
AssertStateMachine(stateMachine, "SimpleParallelStateWithTasks.json");
}
public void ParallelState_WithChoiceThatHasNoTerminalPath_IsNotValid()
{
Assert.Throws <ValidationException>(() =>
AssertDoesNotHaveTerminalPath(
StateMachineBuilder.StateMachine()
.StartAt("Parallel")
.State("Parallel", StateMachineBuilder.ParallelState()
.Transition(StateMachineBuilder.End())
.Branch(StateMachineBuilder.SubStateMachine()
.StartAt("Initial")
.State("Initial",
StateMachineBuilder
.PassState()
.Transition(StateMachineBuilder
.Next("Choice")))
.State("Choice",
StateMachineBuilder
.ChoiceState()
.DefaultStateName("Default")
.Choice(StateMachineBuilder
.Choice()
.Transition(StateMachineBuilder
.Next("Initial"))
.Condition(StateMachineBuilder
.StringEquals("$.foo",
"bar")))
.Choice(StateMachineBuilder
.Choice()
.Transition(StateMachineBuilder
.Next("Default"))
.Condition(StateMachineBuilder
.StringEquals("$.foo",
"bar"))))
.State("Default",
StateMachineBuilder
.PassState()
.Transition(StateMachineBuilder
.Next("Choice")))))));
}