Merge pull request #157 from cschleiden/cschleiden/cancel-only-real-timers

Only cancel workflow timers

Author: cschleiden

.github/workflows/go.yml

@@ -40,7 +40,7 @@ jobs:
     - name: Tests
       run: |
         go install github.com/jstemmer/go-junit-report/v2@latest
-        go test -race -count 1 -v ./... 2>&1 | go-junit-report -set-exit-code -iocopy -out "${{ github.workspace }}/report.xml"
+        go test -timeout 120s -race -count 1 -v ./... 2>&1 | go-junit-report -set-exit-code -iocopy -out "${{ github.workspace }}/report.xml"
 
 
     - name: Test Summary

tester/tester.go

@@ -558,7 +558,7 @@ func (wt *workflowTester[TResult]) scheduleTimer(instance *core.WorkflowInstance
 
 func (wt *workflowTester[TResult]) cancelTimer(instance *core.WorkflowInstance, event history.Event) {
 	for i, t := range wt.timers {
-		if t.Instance.InstanceID == instance.InstanceID && t.ScheduleEventID == event.ScheduleEventID {
+		if t.Instance != nil && t.Instance.InstanceID == instance.InstanceID && t.ScheduleEventID == event.ScheduleEventID {
 			wt.timers = append(wt.timers[:i], wt.timers[i+1:]...)
 			break
 		}