package rdb import ( "fmt" "testing" "time" "github.com/google/go-cmp/cmp" ) func TestEnqueue(t *testing.T) { r := setup(t) tests := []struct { msg *TaskMessage }{ {msg: newTaskMessage("send_email", map[string]interface{}{"to": "exampleuser@gmail.com", "from": "noreply@example.com"})}, {msg: newTaskMessage("generate_csv", map[string]interface{}{})}, {msg: newTaskMessage("sync", nil)}, } for _, tc := range tests { flushDB(t, r) // clean up db before each test case. err := r.Enqueue(tc.msg) if err != nil { t.Errorf("(*RDB).Enqueue = %v, want nil", err) continue } res := r.client.LRange(defaultQ, 0, -1).Val() if len(res) != 1 { t.Errorf("%q has length %d, want 1", defaultQ, len(res)) continue } if diff := cmp.Diff(tc.msg, mustUnmarshal(t, res[0])); diff != "" { t.Errorf("persisted data differed from the original input (-want, +got)\n%s", diff) } } } func TestDequeue(t *testing.T) { r := setup(t) t1 := newTaskMessage("send_email", map[string]interface{}{"subject": "hello!"}) tests := []struct { enqueued []*TaskMessage want *TaskMessage err error inProgress int64 // length of "in-progress" tasks after dequeue }{ {enqueued: []*TaskMessage{t1}, want: t1, err: nil, inProgress: 1}, {enqueued: []*TaskMessage{}, want: nil, err: ErrDequeueTimeout, inProgress: 0}, } for _, tc := range tests { flushDB(t, r) // clean up db before each test case seedDefaultQueue(t, r, tc.enqueued) got, err := r.Dequeue(time.Second) if !cmp.Equal(got, tc.want) || err != tc.err { t.Errorf("(*RDB).Dequeue(time.Second) = %v, %v; want %v, %v", got, err, tc.want, tc.err) continue } if l := r.client.LLen(inProgressQ).Val(); l != tc.inProgress { t.Errorf("%q has length %d, want %d", inProgressQ, l, tc.inProgress) } } } func TestDone(t *testing.T) { r := setup(t) t1 := newTaskMessage("send_email", nil) t2 := newTaskMessage("export_csv", nil) tests := []struct { inProgress []*TaskMessage // initial state of the in-progress list target *TaskMessage // task to remove wantInProgress []*TaskMessage // final state of the in-progress list }{ { inProgress: []*TaskMessage{t1, t2}, target: t1, wantInProgress: []*TaskMessage{t2}, }, { inProgress: []*TaskMessage{t2}, target: t1, wantInProgress: []*TaskMessage{t2}, }, { inProgress: []*TaskMessage{t1}, target: t1, wantInProgress: []*TaskMessage{}, }, } for _, tc := range tests { flushDB(t, r) // clean up db before each test case seedInProgressQueue(t, r, tc.inProgress) err := r.Done(tc.target) if err != nil { t.Errorf("(*RDB).Done(task) = %v, want nil", err) continue } data := r.client.LRange(inProgressQ, 0, -1).Val() gotInProgress := mustUnmarshalSlice(t, data) if diff := cmp.Diff(tc.wantInProgress, gotInProgress, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q after calling (*RDB).Done: (-want, +got):\n%s", inProgressQ, diff) continue } } } func TestRequeue(t *testing.T) { r := setup(t) t1 := newTaskMessage("send_email", nil) t2 := newTaskMessage("export_csv", nil) tests := []struct { enqueued []*TaskMessage // initial state of the default queue inProgress []*TaskMessage // initial state of the in-progress list target *TaskMessage // task to requeue wantEnqueued []*TaskMessage // final state of the default queue wantInProgress []*TaskMessage // final state of the in-progress list }{ { enqueued: []*TaskMessage{}, inProgress: []*TaskMessage{t1, t2}, target: t1, wantEnqueued: []*TaskMessage{t1}, wantInProgress: []*TaskMessage{t2}, }, { enqueued: []*TaskMessage{t1}, inProgress: []*TaskMessage{t2}, target: t2, wantEnqueued: []*TaskMessage{t1, t2}, wantInProgress: []*TaskMessage{}, }, } for _, tc := range tests { flushDB(t, r) // clean up db before each test case seedDefaultQueue(t, r, tc.enqueued) seedInProgressQueue(t, r, tc.inProgress) err := r.Requeue(tc.target) if err != nil { t.Errorf("(*RDB).Requeue(task) = %v, want nil", err) continue } gotEnqueuedRaw := r.client.LRange(defaultQ, 0, -1).Val() gotEnqueued := mustUnmarshalSlice(t, gotEnqueuedRaw) if diff := cmp.Diff(tc.wantEnqueued, gotEnqueued, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q: (-want, +got):\n%s", defaultQ, diff) } gotInProgressRaw := r.client.LRange(inProgressQ, 0, -1).Val() gotInProgress := mustUnmarshalSlice(t, gotInProgressRaw) if diff := cmp.Diff(tc.wantInProgress, gotInProgress, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q: (-want, +got):\n%s", inProgressQ, diff) } } } func TestKill(t *testing.T) { r := setup(t) t1 := newTaskMessage("send_email", nil) t2 := newTaskMessage("reindex", nil) t3 := newTaskMessage("generate_csv", nil) errMsg := "SMTP server not responding" t1AfterKill := &TaskMessage{ ID: t1.ID, Type: t1.Type, Payload: t1.Payload, Queue: t1.Queue, Retry: t1.Retry, Retried: t1.Retried, ErrorMsg: errMsg, } now := time.Now() // TODO(hibiken): add test cases for trimming tests := []struct { inProgress []*TaskMessage dead []sortedSetEntry target *TaskMessage // task to kill wantInProgress []*TaskMessage wantDead []sortedSetEntry }{ { inProgress: []*TaskMessage{t1, t2}, dead: []sortedSetEntry{ {t3, now.Add(-time.Hour).Unix()}, }, target: t1, wantInProgress: []*TaskMessage{t2}, wantDead: []sortedSetEntry{ {t1AfterKill, now.Unix()}, {t3, now.Add(-time.Hour).Unix()}, }, }, { inProgress: []*TaskMessage{t1, t2, t3}, dead: []sortedSetEntry{}, target: t1, wantInProgress: []*TaskMessage{t2, t3}, wantDead: []sortedSetEntry{ {t1AfterKill, now.Unix()}, }, }, } for _, tc := range tests { flushDB(t, r) // clean up db before each test case seedInProgressQueue(t, r, tc.inProgress) seedDeadQueue(t, r, tc.dead) err := r.Kill(tc.target, errMsg) if err != nil { t.Errorf("(*RDB).Kill(%v, %v) = %v, want nil", tc.target, errMsg, err) continue } gotInProgressRaw := r.client.LRange(inProgressQ, 0, -1).Val() gotInProgress := mustUnmarshalSlice(t, gotInProgressRaw) if diff := cmp.Diff(tc.wantInProgress, gotInProgress, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q; (-want, +got)\n%s", inProgressQ, diff) } var gotDead []sortedSetEntry data := r.client.ZRangeWithScores(deadQ, 0, -1).Val() for _, z := range data { gotDead = append(gotDead, sortedSetEntry{ msg: mustUnmarshal(t, z.Member.(string)), score: int64(z.Score), }) } cmpOpt := cmp.AllowUnexported(sortedSetEntry{}) if diff := cmp.Diff(tc.wantDead, gotDead, cmpOpt, sortZSetEntryOpt); diff != "" { t.Errorf("mismatch found in %q after calling (*RDB).Kill: (-want, +got):\n%s", deadQ, diff) } } } func TestRestoreUnfinished(t *testing.T) { r := setup(t) t1 := newTaskMessage("send_email", nil) t2 := newTaskMessage("export_csv", nil) t3 := newTaskMessage("sync_stuff", nil) tests := []struct { inProgress []*TaskMessage enqueued []*TaskMessage wantInProgress []*TaskMessage wantEnqueued []*TaskMessage }{ { inProgress: []*TaskMessage{t1, t2, t3}, enqueued: []*TaskMessage{}, wantInProgress: []*TaskMessage{}, wantEnqueued: []*TaskMessage{t1, t2, t3}, }, { inProgress: []*TaskMessage{}, enqueued: []*TaskMessage{t1, t2, t3}, wantInProgress: []*TaskMessage{}, wantEnqueued: []*TaskMessage{t1, t2, t3}, }, { inProgress: []*TaskMessage{t2, t3}, enqueued: []*TaskMessage{t1}, wantInProgress: []*TaskMessage{}, wantEnqueued: []*TaskMessage{t1, t2, t3}, }, } for _, tc := range tests { flushDB(t, r) // clean up db before each test case seedInProgressQueue(t, r, tc.inProgress) seedDefaultQueue(t, r, tc.enqueued) if err := r.RestoreUnfinished(); err != nil { t.Errorf("(*RDB).RestoreUnfinished() = %v, want nil", err) continue } gotInProgressRaw := r.client.LRange(inProgressQ, 0, -1).Val() gotInProgress := mustUnmarshalSlice(t, gotInProgressRaw) if diff := cmp.Diff(tc.wantInProgress, gotInProgress, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q (-want, +got)\n%s", inProgressQ, diff) } gotEnqueuedRaw := r.client.LRange(defaultQ, 0, -1).Val() gotEnqueued := mustUnmarshalSlice(t, gotEnqueuedRaw) if diff := cmp.Diff(tc.wantEnqueued, gotEnqueued, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q (-want, +got)\n%s", defaultQ, diff) } } } func TestCheckAndEnqueue(t *testing.T) { r := setup(t) t1 := newTaskMessage("send_email", nil) t2 := newTaskMessage("generate_csv", nil) t3 := newTaskMessage("gen_thumbnail", nil) secondAgo := time.Now().Add(-time.Second) hourFromNow := time.Now().Add(time.Hour) tests := []struct { scheduled []sortedSetEntry retry []sortedSetEntry wantQueued []*TaskMessage wantScheduled []*TaskMessage wantRetry []*TaskMessage }{ { scheduled: []sortedSetEntry{ {t1, secondAgo.Unix()}, {t2, secondAgo.Unix()}}, retry: []sortedSetEntry{ {t3, secondAgo.Unix()}}, wantQueued: []*TaskMessage{t1, t2, t3}, wantScheduled: []*TaskMessage{}, wantRetry: []*TaskMessage{}, }, { scheduled: []sortedSetEntry{ {t1, hourFromNow.Unix()}, {t2, secondAgo.Unix()}}, retry: []sortedSetEntry{ {t3, secondAgo.Unix()}}, wantQueued: []*TaskMessage{t2, t3}, wantScheduled: []*TaskMessage{t1}, wantRetry: []*TaskMessage{}, }, { scheduled: []sortedSetEntry{ {t1, hourFromNow.Unix()}, {t2, hourFromNow.Unix()}}, retry: []sortedSetEntry{ {t3, hourFromNow.Unix()}}, wantQueued: []*TaskMessage{}, wantScheduled: []*TaskMessage{t1, t2}, wantRetry: []*TaskMessage{t3}, }, } for _, tc := range tests { flushDB(t, r) // clean up db before each test case seedScheduledQueue(t, r, tc.scheduled) seedRetryQueue(t, r, tc.retry) err := r.CheckAndEnqueue() if err != nil { t.Errorf("(*RDB).CheckScheduled() = %v, want nil", err) continue } queued := r.client.LRange(defaultQ, 0, -1).Val() gotQueued := mustUnmarshalSlice(t, queued) if diff := cmp.Diff(tc.wantQueued, gotQueued, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q; (-want, +got)\n%s", defaultQ, diff) } scheduled := r.client.ZRange(scheduledQ, 0, -1).Val() gotScheduled := mustUnmarshalSlice(t, scheduled) if diff := cmp.Diff(tc.wantScheduled, gotScheduled, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q; (-want, +got)\n%s", scheduledQ, diff) } retry := r.client.ZRange(retryQ, 0, -1).Val() gotRetry := mustUnmarshalSlice(t, retry) if diff := cmp.Diff(tc.wantRetry, gotRetry, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q; (-want, +got)\n%s", retryQ, diff) } } } func TestSchedule(t *testing.T) { r := setup(t) tests := []struct { msg *TaskMessage processAt time.Time }{ { newTaskMessage("send_email", map[string]interface{}{"subject": "hello"}), time.Now().Add(15 * time.Minute), }, } for _, tc := range tests { flushDB(t, r) // clean up db before each test case desc := fmt.Sprintf("(*RDB).Schedule(%v, %v)", tc.msg, tc.processAt) err := r.Schedule(tc.msg, tc.processAt) if err != nil { t.Errorf("%s = %v, want nil", desc, err) continue } res := r.client.ZRangeWithScores(scheduledQ, 0, -1).Val() if len(res) != 1 { t.Errorf("%s inserted %d items to %q, want 1 items inserted", desc, len(res), scheduledQ) continue } if res[0].Score != float64(tc.processAt.Unix()) { t.Errorf("%s inserted an item with score %f, want %f", desc, res[0].Score, float64(tc.processAt.Unix())) continue } } } func TestRetry(t *testing.T) { r := setup(t) t1 := newTaskMessage("send_email", map[string]interface{}{"subject": "Hola!"}) t2 := newTaskMessage("gen_thumbnail", map[string]interface{}{"path": "some/path/to/image.jpg"}) t3 := newTaskMessage("reindex", nil) t1.Retried = 10 errMsg := "SMTP server is not responding" t1AfterRetry := &TaskMessage{ ID: t1.ID, Type: t1.Type, Payload: t1.Payload, Queue: t1.Queue, Retry: t1.Retry, Retried: t1.Retried + 1, ErrorMsg: errMsg, } now := time.Now() tests := []struct { inProgress []*TaskMessage retry []sortedSetEntry msg *TaskMessage processAt time.Time errMsg string wantInProgress []*TaskMessage wantRetry []sortedSetEntry }{ { inProgress: []*TaskMessage{t1, t2}, retry: []sortedSetEntry{ {t3, now.Add(time.Minute).Unix()}, }, msg: t1, processAt: now.Add(5 * time.Minute), errMsg: errMsg, wantInProgress: []*TaskMessage{t2}, wantRetry: []sortedSetEntry{ {t1AfterRetry, now.Add(5 * time.Minute).Unix()}, {t3, now.Add(time.Minute).Unix()}, }, }, } for _, tc := range tests { flushDB(t, r) seedInProgressQueue(t, r, tc.inProgress) seedRetryQueue(t, r, tc.retry) err := r.Retry(tc.msg, tc.processAt, tc.errMsg) if err != nil { t.Errorf("(*RDB).Retry = %v, want nil", err) continue } gotInProgressRaw := r.client.LRange(inProgressQ, 0, -1).Val() gotInProgress := mustUnmarshalSlice(t, gotInProgressRaw) if diff := cmp.Diff(tc.wantInProgress, gotInProgress, sortMsgOpt); diff != "" { t.Errorf("mismatch found in %q; (-want, +got)\n%s", inProgressQ, diff) } gotRetryRaw := r.client.ZRangeWithScores(retryQ, 0, -1).Val() var gotRetry []sortedSetEntry for _, z := range gotRetryRaw { gotRetry = append(gotRetry, sortedSetEntry{ msg: mustUnmarshal(t, z.Member.(string)), score: int64(z.Score), }) } cmpOpt := cmp.AllowUnexported(sortedSetEntry{}) if diff := cmp.Diff(tc.wantRetry, gotRetry, cmpOpt, sortZSetEntryOpt); diff != "" { t.Errorf("mismatch found in %q; (-want, +got)\n%s", retryQ, diff) } } }