mirror of
https://github.com/hibiken/asynq.git
synced 2024-11-15 20:08:46 +08:00
129 lines
3.2 KiB
Go
129 lines
3.2 KiB
Go
// Copyright 2020 Kentaro Hibino. All rights reserved.
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// Use of this source code is governed by a MIT license
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// that can be found in the LICENSE file.
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package asynq
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import (
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"sync"
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"testing"
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"time"
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"github.com/google/go-cmp/cmp"
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"github.com/google/go-cmp/cmp/cmpopts"
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h "github.com/hibiken/asynq/internal/asynqtest"
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"github.com/hibiken/asynq/internal/base"
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"github.com/hibiken/asynq/internal/rdb"
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"github.com/hibiken/asynq/internal/testbroker"
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)
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func TestHeartbeater(t *testing.T) {
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r := setup(t)
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rdbClient := rdb.NewRDB(r)
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tests := []struct {
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interval time.Duration
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host string
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pid int
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queues map[string]int
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concurrency int
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}{
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{time.Second, "localhost", 45678, map[string]int{"default": 1}, 10},
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}
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timeCmpOpt := cmpopts.EquateApproxTime(10 * time.Millisecond)
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ignoreOpt := cmpopts.IgnoreUnexported(base.ServerInfo{})
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ignoreFieldOpt := cmpopts.IgnoreFields(base.ServerInfo{}, "ServerID")
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for _, tc := range tests {
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h.FlushDB(t, r)
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state := base.NewServerState(tc.host, tc.pid, tc.concurrency, tc.queues, false)
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hb := newHeartbeater(testLogger, rdbClient, state, tc.interval)
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var wg sync.WaitGroup
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hb.start(&wg)
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want := &base.ServerInfo{
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Host: tc.host,
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PID: tc.pid,
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Queues: tc.queues,
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Concurrency: tc.concurrency,
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Started: time.Now(),
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Status: "running",
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}
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// allow for heartbeater to write to redis
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time.Sleep(tc.interval * 2)
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ss, err := rdbClient.ListServers()
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if err != nil {
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t.Errorf("could not read server info from redis: %v", err)
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hb.terminate()
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continue
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}
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if len(ss) != 1 {
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t.Errorf("(*RDB).ListServers returned %d process info, want 1", len(ss))
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hb.terminate()
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continue
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}
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if diff := cmp.Diff(want, ss[0], timeCmpOpt, ignoreOpt, ignoreFieldOpt); diff != "" {
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t.Errorf("redis stored process status %+v, want %+v; (-want, +got)\n%s", ss[0], want, diff)
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hb.terminate()
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continue
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}
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// status change
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state.SetStatus(base.StatusStopped)
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// allow for heartbeater to write to redis
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time.Sleep(tc.interval * 2)
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want.Status = "stopped"
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ss, err = rdbClient.ListServers()
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if err != nil {
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t.Errorf("could not read process status from redis: %v", err)
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hb.terminate()
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continue
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}
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if len(ss) != 1 {
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t.Errorf("(*RDB).ListProcesses returned %d process info, want 1", len(ss))
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hb.terminate()
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continue
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}
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if diff := cmp.Diff(want, ss[0], timeCmpOpt, ignoreOpt, ignoreFieldOpt); diff != "" {
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t.Errorf("redis stored process status %+v, want %+v; (-want, +got)\n%s", ss[0], want, diff)
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hb.terminate()
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continue
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}
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hb.terminate()
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}
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}
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func TestHeartbeaterWithRedisDown(t *testing.T) {
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// Make sure that heartbeater goroutine doesn't panic
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// if it cannot connect to redis.
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defer func() {
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if r := recover(); r != nil {
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t.Errorf("panic occurred: %v", r)
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}
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}()
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r := rdb.NewRDB(setup(t))
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testBroker := testbroker.NewTestBroker(r)
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ss := base.NewServerState("localhost", 1234, 10, map[string]int{"default": 1}, false)
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hb := newHeartbeater(testLogger, testBroker, ss, time.Second)
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testBroker.Sleep()
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var wg sync.WaitGroup
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hb.start(&wg)
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// wait for heartbeater to try writing data to redis
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time.Sleep(2 * time.Second)
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hb.terminate()
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}
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