Change project layout to make easier debug / tests"

vendor/github.com/go-co-op/gocron/v2/job.go

@@ -116,7 +116,7 @@ type cronJobDefinition struct {
 	withSeconds bool
 }
 
-func (c cronJobDefinition) setup(j *internalJob, location *time.Location, _ time.Time) error {
+func (c cronJobDefinition) setup(j *internalJob, location *time.Location, now time.Time) error {
 	var withLocation string
 	if strings.HasPrefix(c.crontab, "TZ=") || strings.HasPrefix(c.crontab, "CRON_TZ=") {
 		withLocation = c.crontab
@@ -140,6 +140,9 @@ func (c cronJobDefinition) setup(j *internalJob, location *time.Location, _ time
 	if err != nil {
 		return errors.Join(ErrCronJobParse, err)
 	}
+	if cronSchedule.Next(now).IsZero() {
+		return ErrCronJobInvalid
+	}
 
 	j.jobSchedule = &cronJob{cronSchedule: cronSchedule}
 	return nil
@@ -456,6 +459,8 @@ type oneTimeJobDefinition struct {
 func (o oneTimeJobDefinition) setup(j *internalJob, _ *time.Location, now time.Time) error {
 	sortedTimes := o.startAt(j)
 	slices.SortStableFunc(sortedTimes, ascendingTime)
+	// deduplicate the times
+	sortedTimes = removeSliceDuplicatesTimeOnSortedSlice(sortedTimes)
 	// keep only schedules that are in the future
 	idx, found := slices.BinarySearchFunc(sortedTimes, now, ascendingTime)
 	if found {
@@ -469,6 +474,16 @@ func (o oneTimeJobDefinition) setup(j *internalJob, _ *time.Location, now time.T
 	return nil
 }
 
+func removeSliceDuplicatesTimeOnSortedSlice(times []time.Time) []time.Time {
+	ret := make([]time.Time, 0, len(times))
+	for i, t := range times {
+		if i == 0 || t != times[i-1] {
+			ret = append(ret, t)
+		}
+	}
+	return ret
+}
+
 // OneTimeJobStartAtOption defines when the one time job is run
 type OneTimeJobStartAtOption func(*internalJob) []time.Time