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asynq/heartbeat_test.go
2020-02-22 08:56:51 -08:00

104 lines
2.4 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/google/go-cmp/cmp/cmpopts"
h "github.com/hibiken/asynq/internal/asynqtest"
"github.com/hibiken/asynq/internal/base"
"github.com/hibiken/asynq/internal/rdb"
)
func TestHeartbeater(t *testing.T) {
r := setup(t)
rdbClient := rdb.NewRDB(r)
tests := []struct {
interval time.Duration
host string
pid int
queues map[string]int
concurrency int
}{
{time.Second, "localhost", 45678, map[string]int{"default": 1}, 10},
}
timeCmpOpt := cmpopts.EquateApproxTime(10 * time.Millisecond)
ignoreOpt := cmpopts.IgnoreUnexported(base.ProcessInfo{})
for _, tc := range tests {
h.FlushDB(t, r)
state := base.NewProcessState(tc.host, tc.pid, tc.concurrency, tc.queues, false)
hb := newHeartbeater(rdbClient, state, tc.interval)
var wg sync.WaitGroup
hb.start(&wg)
want := &base.ProcessInfo{
Host: tc.host,
PID: tc.pid,
Queues: tc.queues,
Concurrency: tc.concurrency,
Started: time.Now(),
Status: "running",
}
// allow for heartbeater to write to redis
time.Sleep(tc.interval * 2)
ps, err := rdbClient.ListProcesses()
if err != nil {
t.Errorf("could not read process status from redis: %v", err)
hb.terminate()
continue
}
if len(ps) != 1 {
t.Errorf("(*RDB).ListProcesses returned %d process info, want 1", len(ps))
hb.terminate()
continue
}
if diff := cmp.Diff(want, ps[0], timeCmpOpt, ignoreOpt); diff != "" {
t.Errorf("redis stored process status %+v, want %+v; (-want, +got)\n%s", ps[0], want, diff)
hb.terminate()
continue
}
// status change
state.SetStatus(base.StatusStopped)
// allow for heartbeater to write to redis
time.Sleep(tc.interval * 2)
want.Status = "stopped"
ps, err = rdbClient.ListProcesses()
if err != nil {
t.Errorf("could not read process status from redis: %v", err)
hb.terminate()
continue
}
if len(ps) != 1 {
t.Errorf("(*RDB).ListProcesses returned %d process info, want 1", len(ps))
hb.terminate()
continue
}
if diff := cmp.Diff(want, ps[0], timeCmpOpt, ignoreOpt); diff != "" {
t.Errorf("redis stored process status %+v, want %+v; (-want, +got)\n%s", ps[0], want, diff)
hb.terminate()
continue
}
hb.terminate()
}
}