func TestOnSignalReceived(t *testing.T) {
signal := "the-signal"
ctx := deciderTestContext()
decider := Transition("some-state")
composedDecider := OnSignalReceived(signal, decider)
for _, e := range s.SWFHistoryEventTypes() {
switch e {
case swf.EventTypeWorkflowExecutionSignaled:
event := &swf.HistoryEvent{
EventType: s.S(e),
EventId: s.L(129),
WorkflowExecutionSignaledEventAttributes: &swf.WorkflowExecutionSignaledEventAttributes{
SignalName: s.S("the-signal"),
},
}
data := &TestingType{Field: "yes"}
outcome := composedDecider(ctx, event, data)
expected := decider(ctx, event, data)
if !reflect.DeepEqual(outcome, expected) {
t.Fatal("Outcomes not equal", outcome, expected)
}
default:
event := &swf.HistoryEvent{
EventType: s.S(e),
}
outcome := composedDecider(ctx, event, nil)
if !reflect.DeepEqual(outcome, ctx.Pass()) {
t.Fatal("Outcome does not equal Pass", outcome)
}
}
}
}
func testContextWithSignal(scheduledEventId int, event *swf.SignalExternalWorkflowExecutionInitiatedEventAttributes) func() *FSMContext {
return func() *FSMContext {
correlator := &EventCorrelator{}
correlator.Track(&swf.HistoryEvent{
EventId: s.I(scheduledEventId),
EventType: s.S(swf.EventTypeSignalExternalWorkflowExecutionInitiated),
SignalExternalWorkflowExecutionInitiatedEventAttributes: event,
})
return NewFSMContext(nil,
swf.WorkflowType{Name: s.S("foo"), Version: s.S("1")},
swf.WorkflowExecution{WorkflowId: s.S("id"), RunId: s.S("runid")},
correlator, "state", nil, 1)
}
}
func TestOnChildStarted(t *testing.T) {
decider := func(ctx *FSMContext, h *swf.HistoryEvent, data interface{}) Outcome {
return ctx.Goto("some-state", data, ctx.EmptyDecisions())
}
composedDecider := OnChildStarted(decider)
for _, et := range s.SWFHistoryEventTypes() {
ctx := deciderTestContext()
switch et {
case enums.EventTypeChildWorkflowExecutionStarted:
event := s.EventFromPayload(129, &swf.ChildWorkflowExecutionStartedEventAttributes{})
data := new(TestData)
outcome := composedDecider(ctx, event, data)
expected := decider(ctx, event, data)
if !reflect.DeepEqual(outcome, expected) {
t.Fatal("Outcomes not equal", outcome, expected)
}
default:
event := &swf.HistoryEvent{
EventType: s.S(et),
}
if composedDecider(ctx, event, new(TestData)).State != "" {
t.Fatal("Non nil decision")
}
}
}
}
func TestOnData(t *testing.T) {
decider := Transition("some-state")
typed := Typed(new(TestingType))
data := &TestingType{Field: "yes"}
ctx := deciderTestContext()
predicate := typed.PredicateFunc(func(data *TestingType) bool {
return data.Field == "yes"
})
composedDecider := OnData(predicate, decider)
event := &swf.HistoryEvent{
EventId: s.L(129),
EventTimestamp: aws.Time(time.Now()),
EventType: s.S(swf.EventTypeWorkflowExecutionStarted),
}
outcome := composedDecider(ctx, event, data)
expected := decider(ctx, event, data)
if !reflect.DeepEqual(outcome, expected) {
t.Fatal("Outcomes not equal", outcome, expected)
}
data.Field = "nope"
outcome = composedDecider(ctx, event, data)
if reflect.DeepEqual(outcome, expected) {
t.Fatal("Outcomes should not be equal", outcome, expected)
}
}
// DefaultCanceledState is the canceled state used in an FSM if one has not been set.
// It simply responds with a CancelWorkflow which attempts to Cancel the workflow.
// This state will only get events if you previously attempted to cancel the workflow and it failed.
func (f *FSM) DefaultCanceledState() *FSMState {
return &FSMState{
Name: CanceledState,
Decider: func(fsm *FSMContext, h *swf.HistoryEvent, data interface{}) Outcome {
f.log("state=complete at=attempt-cancel event=%s", h)
return fsm.CancelWorkflow(data, s.S("default-canceled-state"))
},
}
}
func TestFailWorkflow(t *testing.T) {
// arrange
data := &TestingType{"Some data"}
fsmContext := NewFSMContext(nil,
swf.WorkflowType{Name: s.S("foo"), Version: s.S("1")},
swf.WorkflowExecution{WorkflowId: s.S("id"), RunId: s.S("runid")},
nil, "state", nil, 1)
details := "Some failure message"
// act
failDecider := FailWorkflow(s.S(details))
outcome := failDecider(fsmContext, nil, data)
// assert
assert.Equal(t, data, outcome.Data, "Expected data to be passed into failed outcome")
failDecision := FindDecision(outcome.Decisions, failWorkflowPredicate)
assert.NotNil(t, failDecision, "Expected to find a fail workflow decision in the outcome")
assert.Equal(t, details, *failDecision.FailWorkflowExecutionDecisionAttributes.Details,
"Expected details in the fail decision to match what was passed in")
}
func TestOnActivityFailedTimedOutCanceled(t *testing.T) {
activity := "test-activity"
decider := Transition("some-state")
composedDecider := OnActivityFailedTimedOutCanceled(activity, decider)
ctx := testContextWithActivity(123, &swf.ActivityTaskScheduledEventAttributes{
ActivityId: s.S("the-id"),
ActivityType: &swf.ActivityType{
Name: s.S(activity),
Version: s.S("1"),
},
},
)
for _, e := range s.SWFHistoryEventTypes() {
switch e {
case swf.EventTypeActivityTaskFailed, swf.EventTypeActivityTaskTimedOut, swf.EventTypeActivityTaskCanceled:
event := &swf.HistoryEvent{
EventType: s.S(e),
EventId: s.L(129),
ActivityTaskCanceledEventAttributes: &swf.ActivityTaskCanceledEventAttributes{ScheduledEventId: s.L(123)},
ActivityTaskFailedEventAttributes: &swf.ActivityTaskFailedEventAttributes{ScheduledEventId: s.L(123)},
ActivityTaskTimedOutEventAttributes: &swf.ActivityTaskTimedOutEventAttributes{ScheduledEventId: s.L(123)},
}
data := &TestingType{Field: "yes"}
outcome := composedDecider(ctx(), event, data)
expected := decider(ctx(), event, data)
if !reflect.DeepEqual(outcome, expected) {
t.Fatal("Outcomes not equal", outcome, expected)
}
default:
event := &swf.HistoryEvent{
EventType: s.S(e),
}
outcome := composedDecider(ctx(), event, nil)
if !reflect.DeepEqual(outcome, ctx().Pass()) {
t.Fatal("Outcome does not equal Pass", outcome)
}
}
}
}
func TestFSMWhenStartingNewWorkflowExpectsPreprocScheduled(t *testing.T) {
// arrange
// {"CustomerId": 1, "SimulationResultId": 172, "S3SimulationFolder": "Customer_1/simulation172_2016-01-22"}
simulationStateManager := &simulationStateManager{}
simulationStateManager.FSM = simulationStateManager.setupFSM()
events := []*swf.HistoryEvent{
&swf.HistoryEvent{EventType: sugar.S("DecisionTaskStarted"), EventId: sugar.I(3)},
&swf.HistoryEvent{EventType: sugar.S("DecisionTaskScheduled"), EventId: sugar.I(2)},
sugar.EventFromPayload(1, &swf.WorkflowExecutionStartedEventAttributes{
Input: fsm.StartFSMWorkflowInput(simulationStateManager.FSM, testData),
}),
}
firstDecisionTask := testDecisionTask(0, events)
// act
_, decisions, _, err := simulationStateManager.Tick(firstDecisionTask)
// assert
assert.Nil(t, err, "Should be no errors")
assert.NotNil(t, decisions, "Should have returned some decisions")
assert.True(t, Find(decisions, scheduleActivityPredicateFunc("preproc")), "Should have scheduled preproc")
}
func TestFSMWhenInPreprocStateAndPreprocFailsExpectsWorkflowFailed(t *testing.T) {
// arrange
simulationStateManager := &simulationStateManager{}
simulationStateManager.FSM = simulationStateManager.setupFSM()
serializedState := &fsm.SerializedState{}
serializedState.StateName = "preproc"
serializedState.StateData = simulationStateManager.FSM.Serialize(testData)
serializedState.StateVersion = 1
markerRecordedEvent := sugar.EventFromPayload(5, &swf.MarkerRecordedEventAttributes{
MarkerName: sugar.S(fsm.StateMarker),
Details: sugar.S(simulationStateManager.FSM.Serialize(serializedState)),
})
events := []*swf.HistoryEvent{
&swf.HistoryEvent{EventType: sugar.S("DecisionTaskStarted"), EventId: sugar.I(9)},
&swf.HistoryEvent{EventType: sugar.S("DecisionTaskScheduled"), EventId: sugar.I(8)},
sugar.EventFromPayload(7, &swf.ActivityTaskFailedEventAttributes{
ScheduledEventId: sugar.I(6),
}),
sugar.EventFromPayload(6, &swf.ActivityTaskScheduledEventAttributes{
ActivityId: sugar.S(testActivityInfo.ActivityId),
ActivityType: testActivityInfo.ActivityType,
}),
markerRecordedEvent,
}
first := testDecisionTask(5, events)
// act
_, decisions, _, err := simulationStateManager.Tick(first)
// assert
assert.Nil(t, err, "Should be no errors")
assert.NotNil(t, decisions, "Should have returned some decisions")
assert.True(t, Find(decisions, workflowCancelledPredicate), "Should have failed the workflow because preproc failed")
}
func DecisionsToEvents(decisions []*swf.Decision) []*swf.HistoryEvent {
var events []*swf.HistoryEvent
for _, d := range decisions {
if scheduleActivityPredicate(d) {
event := &swf.HistoryEvent{
EventType: sugar.S("ActivityTaskCompleted"),
EventId: sugar.I(7),
ActivityTaskCompletedEventAttributes: &swf.ActivityTaskCompletedEventAttributes{
ScheduledEventId: sugar.I(6),
},
}
events = append(events, event)
event = &swf.HistoryEvent{
EventType: sugar.S("ActivityTaskScheduled"),
EventId: sugar.I(6),
ActivityTaskScheduledEventAttributes: &swf.ActivityTaskScheduledEventAttributes{
ActivityId: sugar.S(testActivityInfo.ActivityId),
ActivityType: testActivityInfo.ActivityType,
},
}
events = append(events, event)
}
if stateMarkerPredicate(d) {
event := &swf.HistoryEvent{
EventType: sugar.S("MarkerRecorded"),
EventId: sugar.I(5),
MarkerRecordedEventAttributes: &swf.MarkerRecordedEventAttributes{
MarkerName: sugar.S(fsm.StateMarker),
Details: d.RecordMarkerDecisionAttributes.Details,
},
}
events = append(events, event)
}
}
return events
}
func (s *simulationStateManager) startWorkflowExecution() error {
_, err := s.swfAPI.StartWorkflowExecution(&swf.StartWorkflowExecutionInput{
Domain: sugar.S(config.Viper.GetString("env")),
WorkflowId: sugar.S(uuid.NewV4().String()),
ExecutionStartToCloseTimeout: sugar.S("120"),
TaskStartToCloseTimeout: sugar.S("120"),
ChildPolicy: sugar.S(swf.ChildPolicyTerminate),
//you will have previously regiestered a WorkflowType that this FSM will work.
WorkflowType: &swf.WorkflowType{Name: sugar.S(config.Workflow.Name), Version: sugar.S(config.Workflow.Version)},
Input: fsm.StartFSMWorkflowInput(s.FSM, &StateData{SimulationResultID: 10, CustomerID: 1, S3SimulationFolder: "folder/test"}),
})
if err != nil {
panic(err)
}
return nil
}
func TestFSMWhenInPreprocStateAndPreprocSuccessfullyCompletesExpectsWorkflowComplete(t *testing.T) {
// arrange
simulationStateManager := &simulationStateManager{}
simulationStateManager.FSM = simulationStateManager.setupFSM()
serializedState := &fsm.SerializedState{}
serializedState.StateName = "preproc"
serializedState.StateData = simulationStateManager.FSM.Serialize(testData)
serializedState.StateVersion = 1
markerRecordedEvent := sugar.EventFromPayload(5, &swf.MarkerRecordedEventAttributes{
MarkerName: sugar.S(fsm.StateMarker),
Details: sugar.S(simulationStateManager.FSM.Serialize(serializedState)),
})
preprocResult := `{"CustomerId":1,"SimulationResultId":172,"S3SimulationFolder":"Customer_1/simulation172_2016-01-22","FileLocation":"Customer_1/simulation172_2016-01-22/b308147a-a73c-493f-bf10-478219419057_scanpattern.zip","ZoxFileLocation":"Customer_1/simulation172_2016-01-22/035c0f01-d53a-4b36-bbaa-21650a0e2a64_voxel.zip","CoarseZoxFileLocation":"Customer_1/simulation172_2016-01-22/035c0f01-d53a-4b36-bbaa-21650a0e2a64_voxel.zip","MediumZoxFileLocation":"Customer_1/simulation172_2016-01-22/035c0f01-d53a-4b36-bbaa-21650a0e2a64_voxel.zip","FineZoxFileLocation":"Customer_1/simulation172_2016-01-22/035c0f01-d53a-4b36-bbaa-21650a0e2a64_voxel.zip","sizeX":0.001,"sizeY":0.001,"sizeZ":0.001}`
events := []*swf.HistoryEvent{
&swf.HistoryEvent{EventType: sugar.S("DecisionTaskStarted"), EventId: sugar.I(9)},
&swf.HistoryEvent{EventType: sugar.S("DecisionTaskScheduled"), EventId: sugar.I(8)},
sugar.EventFromPayload(7, &swf.ActivityTaskCompletedEventAttributes{
ScheduledEventId: sugar.I(6),
Result: sugar.S(preprocResult),
}),
sugar.EventFromPayload(6, &swf.ActivityTaskScheduledEventAttributes{
ActivityId: sugar.S(testActivityInfo.ActivityId),
ActivityType: testActivityInfo.ActivityType,
}),
markerRecordedEvent,
}
first := testDecisionTask(5, events)
// act
_, decisions, _, err := simulationStateManager.Tick(first)
// assert
assert.Nil(t, err, "Should be no errors")
assert.NotNil(t, decisions, "Should have returned some decisions")
assert.True(t, Find(decisions, workflowCompletedPredicate), "Should have completed the workflow")
workflowCopmletedDecision := FindDecision(decisions, workflowCompletedPredicate)
assert.Equal(t, preprocResult, *workflowCopmletedDecision.CompleteWorkflowExecutionDecisionAttributes.Result, "Should have passed the result from preproc onto next decision")
}
func deciderTestContext() *FSMContext {
return NewFSMContext(nil,
swf.WorkflowType{Name: s.S("foo"), Version: s.S("1")},
swf.WorkflowExecution{WorkflowID: s.S("id"), RunID: s.S("runid")},
nil, "state", nil, 1)
}
package simulationworkflow
import (
// "github.com/3dsim/workflow/logger"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/swf"
"github.com/sclasen/swfsm/fsm"
"github.com/sclasen/swfsm/sugar"
"github.com/stretchr/testify/assert"
"time"
"testing"
)
var testActivityInfo = fsm.ActivityInfo{ActivityId: "activityId", ActivityType: &swf.ActivityType{Name: sugar.S("activity"), Version: sugar.S("activityVersion")}}
var testWorkflowExecution = &swf.WorkflowExecution{WorkflowId: sugar.S("workflow-id"), RunId: sugar.S("run-id")}
var testWorkflowType = &swf.WorkflowType{Name: sugar.S("workflow-name"), Version: sugar.S("workflow-version")}
var testData = &StateData{
CustomerID: 1,
S3SimulationFolder: "Customer_1/simulation172_2016-01-22",
SimulationResultID: 172,
}
func TestFSMWhenStartingNewWorkflowExpectsPreprocScheduled(t *testing.T) {
// arrange
// {"CustomerId": 1, "SimulationResultId": 172, "S3SimulationFolder": "Customer_1/simulation172_2016-01-22"}
simulationStateManager := &simulationStateManager{}
simulationStateManager.FSM = simulationStateManager.setupFSM()
decisions := f.EmptyDecisions()
switch *lastEvent.EventType {
case swf.EventTypeActivityTaskCompleted:
logger.Log.Info("Previous scheduled activity completed successfully")
decision := &swf.Decision{}
decision.DecisionType = aws.String(swf.DecisionTypeCompleteWorkflowExecution)
decision.CompleteWorkflowExecutionDecisionAttributes = &swf.CompleteWorkflowExecutionDecisionAttributes{
Result: lastEvent.ActivityTaskCompletedEventAttributes.Result,
}
decisions = append(decisions, decision)
case swf.EventTypeActivityTaskFailed:
logger.Log.Error("Activity task failed", "lastEvent", lastEvent)
decision := &swf.Decision{}
decision.DecisionType = aws.String(swf.DecisionTypeFailWorkflowExecution)
decision.FailWorkflowExecutionDecisionAttributes = &swf.FailWorkflowExecutionDecisionAttributes{
Reason: sugar.S("Preproc failed"),
}
decisions = append(decisions, decision)
}
//if the event was unexpected just stay here
return f.Stay(stateData, decisions)
}
func (s *simulationStateManager) startWorkflowExecution() error {
_, err := s.swfAPI.StartWorkflowExecution(&swf.StartWorkflowExecutionInput{
Domain: sugar.S(config.Viper.GetString("env")),
WorkflowId: sugar.S(uuid.NewV4().String()),
ExecutionStartToCloseTimeout: sugar.S("120"),
TaskStartToCloseTimeout: sugar.S("120"),
ChildPolicy: sugar.S(swf.ChildPolicyTerminate),
//you will have previously regiestered a WorkflowType that this FSM will work.
