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asynq/scheduler_test.go
2022-04-11 16:55:43 -07:00

157 lines
3.3 KiB
Go

// Copyright 2020 Kentaro Hibino. All rights reserved.
// Use of this source code is governed by a MIT license
// that can be found in the LICENSE file.
package asynq
import (
"sync"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/hibiken/asynq/internal/base"
"github.com/hibiken/asynq/internal/testutil"
)
func TestSchedulerRegister(t *testing.T) {
tests := []struct {
cronspec string
task *Task
opts []Option
wait time.Duration
queue string
want []*base.TaskMessage
}{
{
cronspec: "@every 3s",
task: NewTask("task1", nil),
opts: []Option{MaxRetry(10)},
wait: 10 * time.Second,
queue: "default",
want: []*base.TaskMessage{
{
Type: "task1",
Payload: nil,
Retry: 10,
Timeout: int64(defaultTimeout.Seconds()),
Queue: "default",
},
{
Type: "task1",
Payload: nil,
Retry: 10,
Timeout: int64(defaultTimeout.Seconds()),
Queue: "default",
},
{
Type: "task1",
Payload: nil,
Retry: 10,
Timeout: int64(defaultTimeout.Seconds()),
Queue: "default",
},
},
},
}
r := setup(t)
for _, tc := range tests {
scheduler := NewScheduler(getRedisConnOpt(t), nil)
if _, err := scheduler.Register(tc.cronspec, tc.task, tc.opts...); err != nil {
t.Fatal(err)
}
if err := scheduler.Start(); err != nil {
t.Fatal(err)
}
time.Sleep(tc.wait)
scheduler.Shutdown()
got := testutil.GetPendingMessages(t, r, tc.queue)
if diff := cmp.Diff(tc.want, got, testutil.IgnoreIDOpt); diff != "" {
t.Errorf("mismatch found in queue %q: (-want,+got)\n%s", tc.queue, diff)
}
}
}
func TestSchedulerWhenRedisDown(t *testing.T) {
var (
mu sync.Mutex
counter int
)
errorHandler := func(task *Task, opts []Option, err error) {
mu.Lock()
counter++
mu.Unlock()
}
// Connect to non-existent redis instance to simulate a redis server being down.
scheduler := NewScheduler(
RedisClientOpt{Addr: ":9876"},
&SchedulerOpts{EnqueueErrorHandler: errorHandler},
)
task := NewTask("test", nil)
if _, err := scheduler.Register("@every 3s", task); err != nil {
t.Fatal(err)
}
if err := scheduler.Start(); err != nil {
t.Fatal(err)
}
// Scheduler should attempt to enqueue the task three times (every 3s).
time.Sleep(10 * time.Second)
scheduler.Shutdown()
mu.Lock()
if counter != 3 {
t.Errorf("EnqueueErrorHandler was called %d times, want 3", counter)
}
mu.Unlock()
}
func TestSchedulerUnregister(t *testing.T) {
tests := []struct {
cronspec string
task *Task
opts []Option
wait time.Duration
queue string
}{
{
cronspec: "@every 3s",
task: NewTask("task1", nil),
opts: []Option{MaxRetry(10)},
wait: 10 * time.Second,
queue: "default",
},
}
r := setup(t)
for _, tc := range tests {
scheduler := NewScheduler(getRedisConnOpt(t), nil)
entryID, err := scheduler.Register(tc.cronspec, tc.task, tc.opts...)
if err != nil {
t.Fatal(err)
}
if err := scheduler.Unregister(entryID); err != nil {
t.Fatal(err)
}
if err := scheduler.Start(); err != nil {
t.Fatal(err)
}
time.Sleep(tc.wait)
scheduler.Shutdown()
got := testutil.GetPendingMessages(t, r, tc.queue)
if len(got) != 0 {
t.Errorf("%d tasks were enqueued, want zero", len(got))
}
}
}