public async Task CompositeRuntimeState_WithoutCancellationAndEventTransitions_ExecutesAllSubStates()
{
var tracker = new TestTracker();
var tcs2 = new TaskCompletionSource <object>();
var state1 = new SimpleRuntimeState(
"state1",
tracker.StateEnterAction,
tracker.StateExecutionAction,
tracker.StateExitAction,
tracker.StateCanceledAction);
var state2 = new SimpleRuntimeState(
"state2",
tracker.StateEnterAction,
async s =>
{
await tracker.StateExecutionAction(s);
tcs2.SetResult(null);
},
tracker.StateExitAction,
tracker.StateCanceledAction);
var state3 = new SimpleRuntimeState(
"state3",
tracker.StateEnterAction,
tracker.StateExecutionAction,
tracker.StateExitAction,
tracker.StateCanceledAction);
var compositeState = new CompositeRuntimeState(
"composite",
tracker.StateEnterAction,
tracker.StateExitAction,
tracker.StateCanceledAction,
new RuntimeTransition("T1", state1, tracker.TransitionAction, null));
state1.AddEventTransition("E1", new RuntimeTransition("T2", state2, tracker.TransitionAction, null));
state2.AddEventTransition("E2", new RuntimeTransition("T3", state3, tracker.TransitionAction, null));
var task = compositeState.ExecuteAsync(CancellationToken.None);
Assert.False(task.IsCompleted);
var handled = await compositeState.PublishEventAsync("E1");
Assert.True(handled);
Assert.False(task.IsCompleted);
await tcs2.Task;
handled = await compositeState.PublishEventAsync("E2");
Assert.True(handled);
await task;
Assert.Equal(">composite;@composite->state1;>state1;*state1;!state1;@state1->state2;>state2;*state2;!state2;@state2->state3;>state3;*state3;<state3;<composite;", tracker.ToString());
}
public async Task ExecuteAsync_WithCancellationWithoutTransitions_CompletesImmediatellyAndRunsCanceledActionAndThrowsOperationCanceledException()
{
using (var cts = new CancellationTokenSource())
{
var tcs = new TaskCompletionSource <object>();
var tracker = new TestTracker();
var state = new SimpleRuntimeState(
"test",
tracker.StateEnterAction,
async s =>
{
await tracker.StateExecutionAction(s);
await tcs.Task;
},
tracker.StateExitAction,
tracker.StateCanceledAction);
var task = state.ExecuteAsync(cts.Token);
cts.Cancel();
tcs.SetResult(null);
await Assert.ThrowsAsync <OperationCanceledException>(async() => await task);
Assert.Equal(">test;*test;!test;", tracker.ToString());
}
}
public async Task ParallelAllRuntimeState_WithoutCancellationAndEventTransitions_ExecutesAllSubStates()
{
var tracker = new TestTracker();
var tcs1 = new TaskCompletionSource <object>(TaskCreationOptions.None);
var tcs2 = new TaskCompletionSource <object>(TaskCreationOptions.None);
var tcs3 = new TaskCompletionSource <object>(TaskCreationOptions.None);
var state1 = new SimpleRuntimeState(
"state1",
tracker.StateEnterAction,
async s =>
{
await tracker.StateExecutionAction(s);
await tcs1.Task;
},
tracker.StateExitAction,
tracker.StateCanceledAction);
var state2 = new SimpleRuntimeState(
"state2",
tracker.StateEnterAction,
async s =>
{
await tracker.StateExecutionAction(s);
await tcs2.Task;
},
tracker.StateExitAction,
tracker.StateCanceledAction);
var state3 = new SimpleRuntimeState(
"state3",
tracker.StateEnterAction,
async s =>
{
await tracker.StateExecutionAction(s);
await tcs3.Task;
},
tracker.StateExitAction,
tracker.StateCanceledAction);
var parallelState = new ParallelAllRuntimeState(
"parallel",
tracker.StateEnterAction,
tracker.StateExitAction,
tracker.StateCanceledAction,
new RuntimeStateBase[] { state1, state2, state3 });
var task = parallelState.ExecuteAsync(CancellationToken.None);
tcs2.TrySetResult(null);
tcs3.TrySetResult(null);
tcs1.TrySetResult(null);
await task;
var tracking = tracker.ToString();
Assert.EndsWith("<parallel;", tracking);
var endingIndex = tracking.IndexOf("<");
Assert.True(tracking.IndexOf("<state1;", endingIndex) > 0);
Assert.True(tracking.IndexOf("<state2;", endingIndex) > 0);
Assert.True(tracking.IndexOf("<state3;", endingIndex) > 0);
}