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asynq/scheduler_test.go
Ken Hibino 97316d6766 Fix flaky tests
Some tests were failing due to mismatch in Score in ZSetEntry.
Changed ZSetEntry Score to float64 type so that we can use
cmpopts.EquateApprox to allow for margin when comparing.
2020-01-11 10:09:15 -08:00

92 lines
3.2 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 (
"testing"
"time"
"github.com/google/go-cmp/cmp"
h "github.com/hibiken/asynq/internal/asynqtest"
"github.com/hibiken/asynq/internal/base"
"github.com/hibiken/asynq/internal/rdb"
)
func TestScheduler(t *testing.T) {
r := setup(t)
rdbClient := rdb.NewRDB(r)
const pollInterval = time.Second
s := newScheduler(rdbClient, pollInterval)
t1 := h.NewTaskMessage("gen_thumbnail", nil)
t2 := h.NewTaskMessage("send_email", nil)
t3 := h.NewTaskMessage("reindex", nil)
t4 := h.NewTaskMessage("sync", nil)
now := time.Now()
tests := []struct {
initScheduled []h.ZSetEntry // scheduled queue initial state
initRetry []h.ZSetEntry // retry queue initial state
initQueue []*base.TaskMessage // default queue initial state
wait time.Duration // wait duration before checking for final state
wantScheduled []*base.TaskMessage // schedule queue final state
wantRetry []*base.TaskMessage // retry queue final state
wantQueue []*base.TaskMessage // default queue final state
}{
{
initScheduled: []h.ZSetEntry{
{Msg: t1, Score: float64(now.Add(time.Hour).Unix())},
{Msg: t2, Score: float64(now.Add(-2 * time.Second).Unix())},
},
initRetry: []h.ZSetEntry{
{Msg: t3, Score: float64(time.Now().Add(-500 * time.Millisecond).Unix())},
},
initQueue: []*base.TaskMessage{t4},
wait: pollInterval * 2,
wantScheduled: []*base.TaskMessage{t1},
wantRetry: []*base.TaskMessage{},
wantQueue: []*base.TaskMessage{t2, t3, t4},
},
{
initScheduled: []h.ZSetEntry{
{Msg: t1, Score: float64(now.Unix())},
{Msg: t2, Score: float64(now.Add(-2 * time.Second).Unix())},
{Msg: t3, Score: float64(now.Add(-500 * time.Millisecond).Unix())},
},
initRetry: []h.ZSetEntry{},
initQueue: []*base.TaskMessage{t4},
wait: pollInterval * 2,
wantScheduled: []*base.TaskMessage{},
wantRetry: []*base.TaskMessage{},
wantQueue: []*base.TaskMessage{t1, t2, t3, t4},
},
}
for _, tc := range tests {
h.FlushDB(t, r) // clean up db before each test case.
h.SeedScheduledQueue(t, r, tc.initScheduled) // initialize scheduled queue
h.SeedRetryQueue(t, r, tc.initRetry) // initialize retry queue
h.SeedEnqueuedQueue(t, r, tc.initQueue) // initialize default queue
s.start()
time.Sleep(tc.wait)
s.terminate()
gotScheduled := h.GetScheduledMessages(t, r)
if diff := cmp.Diff(tc.wantScheduled, gotScheduled, h.SortMsgOpt); diff != "" {
t.Errorf("mismatch found in %q after running scheduler: (-want, +got)\n%s", base.ScheduledQueue, diff)
}
gotRetry := h.GetRetryMessages(t, r)
if diff := cmp.Diff(tc.wantRetry, gotRetry, h.SortMsgOpt); diff != "" {
t.Errorf("mismatch found in %q after running scheduler: (-want, +got)\n%s", base.RetryQueue, diff)
}
gotEnqueued := h.GetEnqueuedMessages(t, r)
if diff := cmp.Diff(tc.wantQueue, gotEnqueued, h.SortMsgOpt); diff != "" {
t.Errorf("mismatch found in %q after running scheduler: (-want, +got)\n%s", base.DefaultQueue, diff)
}
}
}