portainer/api/scheduler/scheduler_test.go

143 lines
2.7 KiB
Go

package scheduler
import (
"context"
"errors"
"fmt"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
var jobInterval = time.Second
func Test_ScheduledJobRuns(t *testing.T) {
s := NewScheduler(context.Background())
defer s.Shutdown()
ctx, cancel := context.WithTimeout(context.Background(), 2*jobInterval)
var workDone bool
s.StartJobEvery(jobInterval, func() error {
workDone = true
cancel()
return nil
})
<-ctx.Done()
assert.True(t, workDone, "value should been set in the job")
}
func Test_JobCanBeStopped(t *testing.T) {
s := NewScheduler(context.Background())
defer s.Shutdown()
ctx, cancel := context.WithTimeout(context.Background(), 2*jobInterval)
var workDone bool
jobID := s.StartJobEvery(jobInterval, func() error {
workDone = true
cancel()
return nil
})
s.StopJob(jobID)
<-ctx.Done()
assert.False(t, workDone, "job shouldn't had a chance to run")
}
func Test_JobShouldStop_UponPermError(t *testing.T) {
s := NewScheduler(context.Background())
defer s.Shutdown()
var acc int
ch := make(chan struct{})
s.StartJobEvery(jobInterval, func() error {
acc++
close(ch)
return NewPermanentError(fmt.Errorf("failed"))
})
<-time.After(3 * jobInterval)
<-ch
assert.Equal(t, 1, acc, "job stop after the first run because it returns an error")
}
func Test_JobShouldNotStop_UponError(t *testing.T) {
s := NewScheduler(context.Background())
defer s.Shutdown()
var acc int
ch := make(chan struct{})
s.StartJobEvery(jobInterval, func() error {
acc++
if acc == 2 {
close(ch)
return NewPermanentError(fmt.Errorf("failed"))
}
return errors.New("non-permanent error")
})
<-time.After(3 * jobInterval)
<-ch
assert.Equal(t, 2, acc)
}
func Test_CanTerminateAllJobs_ByShuttingDownScheduler(t *testing.T) {
s := NewScheduler(context.Background())
ctx, cancel := context.WithTimeout(context.Background(), 2*jobInterval)
var workDone bool
s.StartJobEvery(jobInterval, func() error {
workDone = true
cancel()
return nil
})
s.Shutdown()
<-ctx.Done()
assert.False(t, workDone, "job shouldn't had a chance to run")
}
func Test_CanTerminateAllJobs_ByCancellingParentContext(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 2*jobInterval)
s := NewScheduler(ctx)
var workDone bool
s.StartJobEvery(jobInterval, func() error {
workDone = true
cancel()
return nil
})
cancel()
<-ctx.Done()
assert.False(t, workDone, "job shouldn't had a chance to run")
}
func Test_StartJobEvery_Concurrently(t *testing.T) {
ctx, cancel := context.WithTimeout(context.Background(), 2*jobInterval)
s := NewScheduler(ctx)
f := func() error {
return errors.New("error")
}
go s.StartJobEvery(jobInterval, f)
s.StartJobEvery(jobInterval, f)
cancel()
<-ctx.Done()
}