mirror of
https://github.com/hibiken/asynq.git
synced 2024-12-27 00:02:19 +08:00
997 lines
29 KiB
Go
997 lines
29 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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"context"
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"encoding/json"
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"fmt"
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"sort"
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"strings"
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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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"github.com/hibiken/asynq/internal/base"
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"github.com/hibiken/asynq/internal/errors"
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"github.com/hibiken/asynq/internal/log"
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"github.com/hibiken/asynq/internal/rdb"
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h "github.com/hibiken/asynq/internal/testutil"
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"github.com/hibiken/asynq/internal/timeutil"
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)
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var taskCmpOpts = []cmp.Option{
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sortTaskOpt, // sort the tasks
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cmp.AllowUnexported(Task{}), // allow typename, payload fields to be compared
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cmpopts.IgnoreFields(Task{}, "opts", "w"), // ignore opts, w fields
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}
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// fakeHeartbeater receives from starting and finished channels and do nothing.
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func fakeHeartbeater(starting <-chan *workerInfo, finished <-chan *base.TaskMessage, done <-chan struct{}) {
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for {
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select {
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case <-starting:
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case <-finished:
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case <-done:
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return
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}
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}
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}
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// fakeSyncer receives from sync channel and do nothing.
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func fakeSyncer(syncCh <-chan *syncRequest, done <-chan struct{}) {
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for {
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select {
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case <-syncCh:
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case <-done:
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return
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}
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}
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}
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// Returns a processor instance configured for testing purpose.
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func newProcessorForTest(t *testing.T, r *rdb.RDB, h Handler) *processor {
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starting := make(chan *workerInfo)
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finished := make(chan *base.TaskMessage)
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syncCh := make(chan *syncRequest)
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done := make(chan struct{})
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t.Cleanup(func() { close(done) })
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go fakeHeartbeater(starting, finished, done)
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go fakeSyncer(syncCh, done)
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p := newProcessor(processorParams{
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logger: testLogger,
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broker: r,
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baseCtxFn: context.Background,
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retryDelayFunc: DefaultRetryDelayFunc,
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taskCheckInterval: defaultTaskCheckInterval,
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isFailureFunc: defaultIsFailureFunc,
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syncCh: syncCh,
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cancelations: base.NewCancelations(),
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concurrency: 10,
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queues: defaultQueueConfig,
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strictPriority: false,
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errHandler: nil,
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shutdownTimeout: defaultShutdownTimeout,
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starting: starting,
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finished: finished,
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})
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p.handler = h
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return p
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}
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func TestProcessorSuccessWithSingleQueue(t *testing.T) {
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r := setup(t)
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defer r.Close()
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rdbClient := rdb.NewRDB(r)
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m1 := h.NewTaskMessage("task1", nil)
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m2 := h.NewTaskMessage("task2", nil)
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m3 := h.NewTaskMessage("task3", nil)
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m4 := h.NewTaskMessage("task4", nil)
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t1 := NewTask(m1.Type, m1.Payload)
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t2 := NewTask(m2.Type, m2.Payload)
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t3 := NewTask(m3.Type, m3.Payload)
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t4 := NewTask(m4.Type, m4.Payload)
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tests := []struct {
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pending []*base.TaskMessage // initial default queue state
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incoming []*base.TaskMessage // tasks to be enqueued during run
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wantProcessed []*Task // tasks to be processed at the end
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}{
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{
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pending: []*base.TaskMessage{m1},
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incoming: []*base.TaskMessage{m2, m3, m4},
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wantProcessed: []*Task{t1, t2, t3, t4},
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},
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{
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pending: []*base.TaskMessage{},
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incoming: []*base.TaskMessage{m1},
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wantProcessed: []*Task{t1},
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},
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}
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for _, tc := range tests {
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h.FlushDB(t, r) // clean up db before each test case.
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h.SeedPendingQueue(t, r, tc.pending, base.DefaultQueueName) // initialize default queue.
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// instantiate a new processor
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var mu sync.Mutex
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var processed []*Task
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handler := func(ctx context.Context, task *Task) error {
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mu.Lock()
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defer mu.Unlock()
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processed = append(processed, task)
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return nil
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}
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p := newProcessorForTest(t, rdbClient, HandlerFunc(handler))
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p.start(&sync.WaitGroup{})
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for _, msg := range tc.incoming {
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err := rdbClient.Enqueue(context.Background(), msg)
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if err != nil {
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p.shutdown()
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t.Fatal(err)
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}
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}
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time.Sleep(2 * time.Second) // wait for two second to allow all pending tasks to be processed.
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if l := r.LLen(context.Background(), base.ActiveKey(base.DefaultQueueName)).Val(); l != 0 {
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t.Errorf("%q has %d tasks, want 0", base.ActiveKey(base.DefaultQueueName), l)
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}
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p.shutdown()
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mu.Lock()
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if diff := cmp.Diff(tc.wantProcessed, processed, taskCmpOpts...); diff != "" {
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t.Errorf("mismatch found in processed tasks; (-want, +got)\n%s", diff)
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}
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mu.Unlock()
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}
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}
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func TestProcessorSuccessWithMultipleQueues(t *testing.T) {
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var (
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r = setup(t)
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rdbClient = rdb.NewRDB(r)
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m1 = h.NewTaskMessage("task1", nil)
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m2 = h.NewTaskMessage("task2", nil)
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m3 = h.NewTaskMessageWithQueue("task3", nil, "high")
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m4 = h.NewTaskMessageWithQueue("task4", nil, "low")
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t1 = NewTask(m1.Type, m1.Payload)
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t2 = NewTask(m2.Type, m2.Payload)
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t3 = NewTask(m3.Type, m3.Payload)
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t4 = NewTask(m4.Type, m4.Payload)
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)
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defer r.Close()
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tests := []struct {
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pending map[string][]*base.TaskMessage
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queues []string // list of queues to consume the tasks from
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wantProcessed []*Task // tasks to be processed at the end
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}{
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{
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pending: map[string][]*base.TaskMessage{
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"default": {m1, m2},
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"high": {m3},
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"low": {m4},
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},
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queues: []string{"default", "high", "low"},
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wantProcessed: []*Task{t1, t2, t3, t4},
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},
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}
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for _, tc := range tests {
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// Set up test case.
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h.FlushDB(t, r)
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h.SeedAllPendingQueues(t, r, tc.pending)
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// Instantiate a new processor.
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var mu sync.Mutex
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var processed []*Task
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handler := func(ctx context.Context, task *Task) error {
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mu.Lock()
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defer mu.Unlock()
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processed = append(processed, task)
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return nil
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}
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p := newProcessorForTest(t, rdbClient, HandlerFunc(handler))
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p.queueConfig = map[string]int{
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"default": 2,
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"high": 3,
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"low": 1,
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}
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p.start(&sync.WaitGroup{})
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// Wait for two second to allow all pending tasks to be processed.
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time.Sleep(2 * time.Second)
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// Make sure no messages are stuck in active list.
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for _, qname := range tc.queues {
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if l := r.LLen(context.Background(), base.ActiveKey(qname)).Val(); l != 0 {
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t.Errorf("%q has %d tasks, want 0", base.ActiveKey(qname), l)
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}
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}
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p.shutdown()
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mu.Lock()
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if diff := cmp.Diff(tc.wantProcessed, processed, taskCmpOpts...); diff != "" {
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t.Errorf("mismatch found in processed tasks; (-want, +got)\n%s", diff)
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}
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mu.Unlock()
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}
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}
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// https://github.com/hibiken/asynq/issues/166
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func TestProcessTasksWithLargeNumberInPayload(t *testing.T) {
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r := setup(t)
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defer r.Close()
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rdbClient := rdb.NewRDB(r)
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m1 := h.NewTaskMessage("large_number", h.JSON(map[string]interface{}{"data": 111111111111111111}))
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t1 := NewTask(m1.Type, m1.Payload)
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tests := []struct {
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pending []*base.TaskMessage // initial default queue state
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wantProcessed []*Task // tasks to be processed at the end
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}{
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{
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pending: []*base.TaskMessage{m1},
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wantProcessed: []*Task{t1},
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},
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}
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for _, tc := range tests {
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h.FlushDB(t, r) // clean up db before each test case.
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h.SeedPendingQueue(t, r, tc.pending, base.DefaultQueueName) // initialize default queue.
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var mu sync.Mutex
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var processed []*Task
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handler := func(ctx context.Context, task *Task) error {
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mu.Lock()
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defer mu.Unlock()
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var payload map[string]int
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if err := json.Unmarshal(task.Payload(), &payload); err != nil {
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t.Errorf("coult not decode payload: %v", err)
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}
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if data, ok := payload["data"]; ok {
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t.Logf("data == %d", data)
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} else {
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t.Errorf("could not get data from payload")
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}
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processed = append(processed, task)
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return nil
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}
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p := newProcessorForTest(t, rdbClient, HandlerFunc(handler))
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p.start(&sync.WaitGroup{})
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time.Sleep(2 * time.Second) // wait for two second to allow all pending tasks to be processed.
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if l := r.LLen(context.Background(), base.ActiveKey(base.DefaultQueueName)).Val(); l != 0 {
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t.Errorf("%q has %d tasks, want 0", base.ActiveKey(base.DefaultQueueName), l)
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}
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p.shutdown()
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mu.Lock()
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if diff := cmp.Diff(tc.wantProcessed, processed, taskCmpOpts...); diff != "" {
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t.Errorf("mismatch found in processed tasks; (-want, +got)\n%s", diff)
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}
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mu.Unlock()
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}
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}
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func TestProcessorRetry(t *testing.T) {
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r := setup(t)
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defer r.Close()
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rdbClient := rdb.NewRDB(r)
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m1 := h.NewTaskMessage("send_email", nil)
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m1.Retried = m1.Retry // m1 has reached its max retry count
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m2 := h.NewTaskMessage("gen_thumbnail", nil)
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m3 := h.NewTaskMessage("reindex", nil)
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m4 := h.NewTaskMessage("sync", nil)
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errMsg := "something went wrong"
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wrappedSkipRetry := fmt.Errorf("%s:%w", errMsg, SkipRetry)
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wrappedRevokeTask := fmt.Errorf("%s:%w", errMsg, RevokeTask)
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tests := []struct {
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desc string // test description
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pending []*base.TaskMessage // initial default queue state
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delay time.Duration // retry delay duration
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handler Handler // task handler
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wait time.Duration // wait duration between starting and stopping processor for this test case
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wantErrMsg string // error message the task should record
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wantRetry []*base.TaskMessage // tasks in retry queue at the end
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wantArchived []*base.TaskMessage // tasks in archived queue at the end
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wantErrCount int // number of times error handler should be called
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}{
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{
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desc: "Should automatically retry errored tasks",
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pending: []*base.TaskMessage{m1, m2, m3, m4},
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delay: time.Minute,
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handler: HandlerFunc(func(ctx context.Context, task *Task) error {
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return errors.New(errMsg)
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}),
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wait: 2 * time.Second,
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wantErrMsg: errMsg,
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wantRetry: []*base.TaskMessage{m2, m3, m4},
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wantArchived: []*base.TaskMessage{m1},
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wantErrCount: 4,
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},
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{
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desc: "Should skip retry errored tasks",
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pending: []*base.TaskMessage{m1, m2},
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delay: time.Minute,
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handler: HandlerFunc(func(ctx context.Context, task *Task) error {
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return SkipRetry // return SkipRetry without wrapping
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}),
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wait: 2 * time.Second,
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wantErrMsg: SkipRetry.Error(),
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wantRetry: []*base.TaskMessage{},
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wantArchived: []*base.TaskMessage{m1, m2},
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wantErrCount: 2, // ErrorHandler should still be called with SkipRetry error
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},
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{
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desc: "Should skip retry errored tasks (with error wrapping)",
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pending: []*base.TaskMessage{m1, m2},
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delay: time.Minute,
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handler: HandlerFunc(func(ctx context.Context, task *Task) error {
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return wrappedSkipRetry
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}),
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wait: 2 * time.Second,
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wantErrMsg: wrappedSkipRetry.Error(),
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wantRetry: []*base.TaskMessage{},
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wantArchived: []*base.TaskMessage{m1, m2},
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wantErrCount: 2, // ErrorHandler should still be called with SkipRetry error
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},
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{
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desc: "Should revoke task",
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pending: []*base.TaskMessage{m1, m2},
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delay: time.Minute,
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handler: HandlerFunc(func(ctx context.Context, task *Task) error {
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return RevokeTask // return RevokeTask without wrapping
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}),
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wait: 2 * time.Second,
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wantErrMsg: RevokeTask.Error(),
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wantRetry: []*base.TaskMessage{},
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wantArchived: []*base.TaskMessage{},
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wantErrCount: 2, // ErrorHandler should still be called with RevokeTask error
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},
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{
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desc: "Should revoke task (with error wrapping)",
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pending: []*base.TaskMessage{m1, m2},
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delay: time.Minute,
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handler: HandlerFunc(func(ctx context.Context, task *Task) error {
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return wrappedRevokeTask
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}),
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wait: 2 * time.Second,
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wantErrMsg: wrappedRevokeTask.Error(),
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wantRetry: []*base.TaskMessage{},
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wantArchived: []*base.TaskMessage{},
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wantErrCount: 2, // ErrorHandler should still be called with RevokeTask error
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},
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}
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for _, tc := range tests {
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h.FlushDB(t, r) // clean up db before each test case.
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h.SeedPendingQueue(t, r, tc.pending, base.DefaultQueueName) // initialize default queue.
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// instantiate a new processor
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delayFunc := func(n int, e error, t *Task) time.Duration {
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return tc.delay
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}
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var (
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mu sync.Mutex // guards n
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n int // number of times error handler is called
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)
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errHandler := func(ctx context.Context, t *Task, err error) {
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mu.Lock()
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defer mu.Unlock()
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n++
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}
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p := newProcessorForTest(t, rdbClient, tc.handler)
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p.errHandler = ErrorHandlerFunc(errHandler)
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p.retryDelayFunc = delayFunc
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p.start(&sync.WaitGroup{})
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runTime := time.Now() // time when processor is running
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time.Sleep(tc.wait) // FIXME: This makes test flaky.
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p.shutdown()
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cmpOpt := h.EquateInt64Approx(int64(tc.wait.Seconds())) // allow up to a wait-second difference in zset score
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gotRetry := h.GetRetryEntries(t, r, base.DefaultQueueName)
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var wantRetry []base.Z // Note: construct wantRetry here since `LastFailedAt` and ZSCORE is relative to each test run.
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for _, msg := range tc.wantRetry {
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wantRetry = append(wantRetry,
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base.Z{
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Message: h.TaskMessageAfterRetry(*msg, tc.wantErrMsg, runTime),
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Score: runTime.Add(tc.delay).Unix(),
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})
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}
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if diff := cmp.Diff(wantRetry, gotRetry, h.SortZSetEntryOpt, cmpOpt); diff != "" {
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t.Errorf("%s: mismatch found in %q after running processor; (-want, +got)\n%s", tc.desc, base.RetryKey(base.DefaultQueueName), diff)
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}
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gotArchived := h.GetArchivedEntries(t, r, base.DefaultQueueName)
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var wantArchived []base.Z // Note: construct wantArchived here since `LastFailedAt` and ZSCORE is relative to each test run.
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for _, msg := range tc.wantArchived {
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wantArchived = append(wantArchived,
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base.Z{
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Message: h.TaskMessageWithError(*msg, tc.wantErrMsg, runTime),
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Score: runTime.Unix(),
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})
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}
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if diff := cmp.Diff(wantArchived, gotArchived, h.SortZSetEntryOpt, cmpOpt); diff != "" {
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t.Errorf("%s: mismatch found in %q after running processor; (-want, +got)\n%s", tc.desc, base.ArchivedKey(base.DefaultQueueName), diff)
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}
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if l := r.LLen(context.Background(), base.ActiveKey(base.DefaultQueueName)).Val(); l != 0 {
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t.Errorf("%s: %q has %d tasks, want 0", base.ActiveKey(base.DefaultQueueName), tc.desc, l)
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}
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if n != tc.wantErrCount {
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t.Errorf("error handler was called %d times, want %d", n, tc.wantErrCount)
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}
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}
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}
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func TestProcessorMarkAsComplete(t *testing.T) {
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r := setup(t)
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defer r.Close()
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rdbClient := rdb.NewRDB(r)
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msg1 := h.NewTaskMessage("one", nil)
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msg2 := h.NewTaskMessage("two", nil)
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msg3 := h.NewTaskMessageWithQueue("three", nil, "custom")
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msg1.Retention = 3600
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msg3.Retention = 7200
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handler := func(ctx context.Context, task *Task) error { return nil }
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tests := []struct {
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pending map[string][]*base.TaskMessage
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completed map[string][]base.Z
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queueCfg map[string]int
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wantPending map[string][]*base.TaskMessage
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wantCompleted func(completedAt time.Time) map[string][]base.Z
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}{
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{
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pending: map[string][]*base.TaskMessage{
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"default": {msg1, msg2},
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"custom": {msg3},
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},
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completed: map[string][]base.Z{
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"default": {},
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"custom": {},
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},
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queueCfg: map[string]int{
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"default": 1,
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"custom": 1,
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},
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wantPending: map[string][]*base.TaskMessage{
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"default": {},
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"custom": {},
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},
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wantCompleted: func(completedAt time.Time) map[string][]base.Z {
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return map[string][]base.Z{
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"default": {{Message: h.TaskMessageWithCompletedAt(*msg1, completedAt), Score: completedAt.Unix() + msg1.Retention}},
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"custom": {{Message: h.TaskMessageWithCompletedAt(*msg3, completedAt), Score: completedAt.Unix() + msg3.Retention}},
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}
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},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
h.FlushDB(t, r)
|
|
h.SeedAllPendingQueues(t, r, tc.pending)
|
|
h.SeedAllCompletedQueues(t, r, tc.completed)
|
|
|
|
p := newProcessorForTest(t, rdbClient, HandlerFunc(handler))
|
|
p.queueConfig = tc.queueCfg
|
|
|
|
p.start(&sync.WaitGroup{})
|
|
runTime := time.Now() // time when processor is running
|
|
time.Sleep(2 * time.Second)
|
|
p.shutdown()
|
|
|
|
for qname, want := range tc.wantPending {
|
|
gotPending := h.GetPendingMessages(t, r, qname)
|
|
if diff := cmp.Diff(want, gotPending, cmpopts.EquateEmpty()); diff != "" {
|
|
t.Errorf("diff found in %q pending set; want=%v, got=%v\n%s", qname, want, gotPending, diff)
|
|
}
|
|
}
|
|
|
|
for qname, want := range tc.wantCompleted(runTime) {
|
|
gotCompleted := h.GetCompletedEntries(t, r, qname)
|
|
if diff := cmp.Diff(want, gotCompleted, cmpopts.EquateEmpty()); diff != "" {
|
|
t.Errorf("diff found in %q completed set; want=%v, got=%v\n%s", qname, want, gotCompleted, diff)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Test a scenario where the worker server cannot communicate with redis due to a network failure
|
|
// and the lease expires
|
|
func TestProcessorWithExpiredLease(t *testing.T) {
|
|
r := setup(t)
|
|
defer r.Close()
|
|
rdbClient := rdb.NewRDB(r)
|
|
|
|
m1 := h.NewTaskMessage("task1", nil)
|
|
|
|
tests := []struct {
|
|
pending []*base.TaskMessage
|
|
handler Handler
|
|
wantErrCount int
|
|
}{
|
|
{
|
|
pending: []*base.TaskMessage{m1},
|
|
handler: HandlerFunc(func(ctx context.Context, task *Task) error {
|
|
// make sure the task processing time exceeds lease duration
|
|
// to test expired lease.
|
|
time.Sleep(rdb.LeaseDuration + 10*time.Second)
|
|
return nil
|
|
}),
|
|
wantErrCount: 1, // ErrorHandler should still be called with ErrLeaseExpired
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
h.FlushDB(t, r)
|
|
h.SeedPendingQueue(t, r, tc.pending, base.DefaultQueueName)
|
|
|
|
starting := make(chan *workerInfo)
|
|
finished := make(chan *base.TaskMessage)
|
|
syncCh := make(chan *syncRequest)
|
|
done := make(chan struct{})
|
|
t.Cleanup(func() { close(done) })
|
|
// fake heartbeater which notifies lease expiration
|
|
go func() {
|
|
for {
|
|
select {
|
|
case w := <-starting:
|
|
// simulate expiration by resetting to some time in the past
|
|
w.lease.Reset(time.Now().Add(-5 * time.Second))
|
|
if !w.lease.NotifyExpiration() {
|
|
panic("Failed to notifiy lease expiration")
|
|
}
|
|
case <-finished:
|
|
// do nothing
|
|
case <-done:
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
go fakeSyncer(syncCh, done)
|
|
p := newProcessor(processorParams{
|
|
logger: testLogger,
|
|
broker: rdbClient,
|
|
baseCtxFn: context.Background,
|
|
taskCheckInterval: defaultTaskCheckInterval,
|
|
retryDelayFunc: DefaultRetryDelayFunc,
|
|
isFailureFunc: defaultIsFailureFunc,
|
|
syncCh: syncCh,
|
|
cancelations: base.NewCancelations(),
|
|
concurrency: 10,
|
|
queues: defaultQueueConfig,
|
|
strictPriority: false,
|
|
errHandler: nil,
|
|
shutdownTimeout: defaultShutdownTimeout,
|
|
starting: starting,
|
|
finished: finished,
|
|
})
|
|
p.handler = tc.handler
|
|
var (
|
|
mu sync.Mutex // guards n and errs
|
|
n int // number of times error handler is called
|
|
errs []error // error passed to error handler
|
|
)
|
|
p.errHandler = ErrorHandlerFunc(func(ctx context.Context, t *Task, err error) {
|
|
mu.Lock()
|
|
defer mu.Unlock()
|
|
n++
|
|
errs = append(errs, err)
|
|
})
|
|
|
|
p.start(&sync.WaitGroup{})
|
|
time.Sleep(4 * time.Second)
|
|
p.shutdown()
|
|
|
|
if n != tc.wantErrCount {
|
|
t.Errorf("Unexpected number of error count: got %d, want %d", n, tc.wantErrCount)
|
|
continue
|
|
}
|
|
for i := 0; i < tc.wantErrCount; i++ {
|
|
if !errors.Is(errs[i], ErrLeaseExpired) {
|
|
t.Errorf("Unexpected error was passed to ErrorHandler: got %v want %v", errs[i], ErrLeaseExpired)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestProcessorQueues(t *testing.T) {
|
|
sortOpt := cmp.Transformer("SortStrings", func(in []string) []string {
|
|
out := append([]string(nil), in...) // Copy input to avoid mutating it
|
|
sort.Strings(out)
|
|
return out
|
|
})
|
|
|
|
tests := []struct {
|
|
queueCfg map[string]int
|
|
want []string
|
|
}{
|
|
{
|
|
queueCfg: map[string]int{
|
|
"high": 6,
|
|
"default": 3,
|
|
"low": 1,
|
|
},
|
|
want: []string{"high", "default", "low"},
|
|
},
|
|
{
|
|
queueCfg: map[string]int{
|
|
"default": 1,
|
|
},
|
|
want: []string{"default"},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
// Note: rdb and handler not needed for this test.
|
|
p := newProcessorForTest(t, nil, nil)
|
|
p.queueConfig = tc.queueCfg
|
|
|
|
got := p.queues()
|
|
if diff := cmp.Diff(tc.want, got, sortOpt); diff != "" {
|
|
t.Errorf("with queue config: %v\n(*processor).queues() = %v, want %v\n(-want,+got):\n%s",
|
|
tc.queueCfg, got, tc.want, diff)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestProcessorWithStrictPriority(t *testing.T) {
|
|
var (
|
|
r = setup(t)
|
|
|
|
rdbClient = rdb.NewRDB(r)
|
|
|
|
m1 = h.NewTaskMessageWithQueue("task1", nil, "critical")
|
|
m2 = h.NewTaskMessageWithQueue("task2", nil, "critical")
|
|
m3 = h.NewTaskMessageWithQueue("task3", nil, "critical")
|
|
m4 = h.NewTaskMessageWithQueue("task4", nil, base.DefaultQueueName)
|
|
m5 = h.NewTaskMessageWithQueue("task5", nil, base.DefaultQueueName)
|
|
m6 = h.NewTaskMessageWithQueue("task6", nil, "low")
|
|
m7 = h.NewTaskMessageWithQueue("task7", nil, "low")
|
|
|
|
t1 = NewTask(m1.Type, m1.Payload)
|
|
t2 = NewTask(m2.Type, m2.Payload)
|
|
t3 = NewTask(m3.Type, m3.Payload)
|
|
t4 = NewTask(m4.Type, m4.Payload)
|
|
t5 = NewTask(m5.Type, m5.Payload)
|
|
t6 = NewTask(m6.Type, m6.Payload)
|
|
t7 = NewTask(m7.Type, m7.Payload)
|
|
)
|
|
defer r.Close()
|
|
|
|
tests := []struct {
|
|
pending map[string][]*base.TaskMessage // initial queues state
|
|
queues []string // list of queues to consume tasks from
|
|
wait time.Duration // wait duration between starting and stopping processor for this test case
|
|
wantProcessed []*Task // tasks to be processed at the end
|
|
}{
|
|
{
|
|
pending: map[string][]*base.TaskMessage{
|
|
base.DefaultQueueName: {m4, m5},
|
|
"critical": {m1, m2, m3},
|
|
"low": {m6, m7},
|
|
},
|
|
queues: []string{base.DefaultQueueName, "critical", "low"},
|
|
wait: time.Second,
|
|
wantProcessed: []*Task{t1, t2, t3, t4, t5, t6, t7},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
h.FlushDB(t, r) // clean up db before each test case.
|
|
for qname, msgs := range tc.pending {
|
|
h.SeedPendingQueue(t, r, msgs, qname)
|
|
}
|
|
|
|
// instantiate a new processor
|
|
var mu sync.Mutex
|
|
var processed []*Task
|
|
handler := func(ctx context.Context, task *Task) error {
|
|
mu.Lock()
|
|
defer mu.Unlock()
|
|
processed = append(processed, task)
|
|
return nil
|
|
}
|
|
queueCfg := map[string]int{
|
|
base.DefaultQueueName: 2,
|
|
"critical": 3,
|
|
"low": 1,
|
|
}
|
|
starting := make(chan *workerInfo)
|
|
finished := make(chan *base.TaskMessage)
|
|
syncCh := make(chan *syncRequest)
|
|
done := make(chan struct{})
|
|
defer func() { close(done) }()
|
|
go fakeHeartbeater(starting, finished, done)
|
|
go fakeSyncer(syncCh, done)
|
|
p := newProcessor(processorParams{
|
|
logger: testLogger,
|
|
broker: rdbClient,
|
|
baseCtxFn: context.Background,
|
|
taskCheckInterval: defaultTaskCheckInterval,
|
|
retryDelayFunc: DefaultRetryDelayFunc,
|
|
isFailureFunc: defaultIsFailureFunc,
|
|
syncCh: syncCh,
|
|
cancelations: base.NewCancelations(),
|
|
concurrency: 1, // Set concurrency to 1 to make sure tasks are processed one at a time.
|
|
queues: queueCfg,
|
|
strictPriority: true,
|
|
errHandler: nil,
|
|
shutdownTimeout: defaultShutdownTimeout,
|
|
starting: starting,
|
|
finished: finished,
|
|
})
|
|
p.handler = HandlerFunc(handler)
|
|
|
|
p.start(&sync.WaitGroup{})
|
|
time.Sleep(tc.wait)
|
|
// Make sure no tasks are stuck in active list.
|
|
for _, qname := range tc.queues {
|
|
if l := r.LLen(context.Background(), base.ActiveKey(qname)).Val(); l != 0 {
|
|
t.Errorf("%q has %d tasks, want 0", base.ActiveKey(qname), l)
|
|
}
|
|
}
|
|
p.shutdown()
|
|
|
|
if diff := cmp.Diff(tc.wantProcessed, processed, taskCmpOpts...); diff != "" {
|
|
t.Errorf("mismatch found in processed tasks; (-want, +got)\n%s", diff)
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
func TestProcessorPerform(t *testing.T) {
|
|
tests := []struct {
|
|
desc string
|
|
handler HandlerFunc
|
|
task *Task
|
|
wantErr bool
|
|
}{
|
|
{
|
|
desc: "handler returns nil",
|
|
handler: func(ctx context.Context, t *Task) error {
|
|
return nil
|
|
},
|
|
task: NewTask("gen_thumbnail", h.JSON(map[string]interface{}{"src": "some/img/path"})),
|
|
wantErr: false,
|
|
},
|
|
{
|
|
desc: "handler returns error",
|
|
handler: func(ctx context.Context, t *Task) error {
|
|
return fmt.Errorf("something went wrong")
|
|
},
|
|
task: NewTask("gen_thumbnail", h.JSON(map[string]interface{}{"src": "some/img/path"})),
|
|
wantErr: true,
|
|
},
|
|
{
|
|
desc: "handler panics",
|
|
handler: func(ctx context.Context, t *Task) error {
|
|
panic("something went terribly wrong")
|
|
},
|
|
task: NewTask("gen_thumbnail", h.JSON(map[string]interface{}{"src": "some/img/path"})),
|
|
wantErr: true,
|
|
},
|
|
}
|
|
// Note: We don't need to fully initialized the processor since we are only testing
|
|
// perform method.
|
|
p := newProcessorForTest(t, nil, nil)
|
|
|
|
for _, tc := range tests {
|
|
p.handler = tc.handler
|
|
got := p.perform(context.Background(), tc.task)
|
|
if !tc.wantErr && got != nil {
|
|
t.Errorf("%s: perform() = %v, want nil", tc.desc, got)
|
|
continue
|
|
}
|
|
if tc.wantErr && got == nil {
|
|
t.Errorf("%s: perform() = nil, want non-nil error", tc.desc)
|
|
continue
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestGCD(t *testing.T) {
|
|
tests := []struct {
|
|
input []int
|
|
want int
|
|
}{
|
|
{[]int{6, 2, 12}, 2},
|
|
{[]int{3, 3, 3}, 3},
|
|
{[]int{6, 3, 1}, 1},
|
|
{[]int{1}, 1},
|
|
{[]int{1, 0, 2}, 1},
|
|
{[]int{8, 0, 4}, 4},
|
|
{[]int{9, 12, 18, 30}, 3},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
got := gcd(tc.input...)
|
|
if got != tc.want {
|
|
t.Errorf("gcd(%v) = %d, want %d", tc.input, got, tc.want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestNormalizeQueues(t *testing.T) {
|
|
tests := []struct {
|
|
input map[string]int
|
|
want map[string]int
|
|
}{
|
|
{
|
|
input: map[string]int{
|
|
"high": 100,
|
|
"default": 20,
|
|
"low": 5,
|
|
},
|
|
want: map[string]int{
|
|
"high": 20,
|
|
"default": 4,
|
|
"low": 1,
|
|
},
|
|
},
|
|
{
|
|
input: map[string]int{
|
|
"default": 10,
|
|
},
|
|
want: map[string]int{
|
|
"default": 1,
|
|
},
|
|
},
|
|
{
|
|
input: map[string]int{
|
|
"critical": 5,
|
|
"default": 1,
|
|
},
|
|
want: map[string]int{
|
|
"critical": 5,
|
|
"default": 1,
|
|
},
|
|
},
|
|
{
|
|
input: map[string]int{
|
|
"critical": 6,
|
|
"default": 3,
|
|
"low": 0,
|
|
},
|
|
want: map[string]int{
|
|
"critical": 2,
|
|
"default": 1,
|
|
"low": 0,
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
got := normalizeQueues(tc.input)
|
|
if diff := cmp.Diff(tc.want, got); diff != "" {
|
|
t.Errorf("normalizeQueues(%v) = %v, want %v; (-want, +got):\n%s",
|
|
tc.input, got, tc.want, diff)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestProcessorComputeDeadline(t *testing.T) {
|
|
now := time.Now()
|
|
p := processor{
|
|
logger: log.NewLogger(nil),
|
|
clock: timeutil.NewSimulatedClock(now),
|
|
}
|
|
|
|
tests := []struct {
|
|
desc string
|
|
msg *base.TaskMessage
|
|
want time.Time
|
|
}{
|
|
{
|
|
desc: "message with only timeout specified",
|
|
msg: &base.TaskMessage{
|
|
Timeout: int64((30 * time.Minute).Seconds()),
|
|
},
|
|
want: now.Add(30 * time.Minute),
|
|
},
|
|
{
|
|
desc: "message with only deadline specified",
|
|
msg: &base.TaskMessage{
|
|
Deadline: now.Add(24 * time.Hour).Unix(),
|
|
},
|
|
want: now.Add(24 * time.Hour),
|
|
},
|
|
{
|
|
desc: "message with both timeout and deadline set (now+timeout < deadline)",
|
|
msg: &base.TaskMessage{
|
|
Deadline: now.Add(24 * time.Hour).Unix(),
|
|
Timeout: int64((30 * time.Minute).Seconds()),
|
|
},
|
|
want: now.Add(30 * time.Minute),
|
|
},
|
|
{
|
|
desc: "message with both timeout and deadline set (now+timeout > deadline)",
|
|
msg: &base.TaskMessage{
|
|
Deadline: now.Add(10 * time.Minute).Unix(),
|
|
Timeout: int64((30 * time.Minute).Seconds()),
|
|
},
|
|
want: now.Add(10 * time.Minute),
|
|
},
|
|
{
|
|
desc: "message with both timeout and deadline set (now+timeout == deadline)",
|
|
msg: &base.TaskMessage{
|
|
Deadline: now.Add(30 * time.Minute).Unix(),
|
|
Timeout: int64((30 * time.Minute).Seconds()),
|
|
},
|
|
want: now.Add(30 * time.Minute),
|
|
},
|
|
{
|
|
desc: "message without timeout and deadline",
|
|
msg: &base.TaskMessage{},
|
|
want: now.Add(defaultTimeout),
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
got := p.computeDeadline(tc.msg)
|
|
// Compare the Unix epoch with seconds granularity
|
|
if got.Unix() != tc.want.Unix() {
|
|
t.Errorf("%s: got=%v, want=%v", tc.desc, got.Unix(), tc.want.Unix())
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestReturnPanicError(t *testing.T) {
|
|
|
|
task := NewTask("gen_thumbnail", h.JSON(map[string]interface{}{"src": "some/img/path"}))
|
|
|
|
tests := []struct {
|
|
name string
|
|
handler HandlerFunc
|
|
IsPanicError bool
|
|
}{
|
|
{
|
|
name: "should return panic error when occurred panic recovery",
|
|
handler: func(ctx context.Context, t *Task) error {
|
|
panic("something went terribly wrong")
|
|
},
|
|
IsPanicError: true,
|
|
},
|
|
{
|
|
name: "should return normal error when don't occur panic recovery",
|
|
handler: func(ctx context.Context, t *Task) error {
|
|
return fmt.Errorf("something went terribly wrong")
|
|
},
|
|
IsPanicError: false,
|
|
},
|
|
}
|
|
|
|
for _, tc := range tests {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
p := processor{
|
|
logger: log.NewLogger(nil),
|
|
handler: tc.handler,
|
|
}
|
|
got := p.perform(context.Background(), task)
|
|
if tc.IsPanicError != IsPanicError(got) {
|
|
t.Errorf("%s: got=%t, want=%t", tc.name, IsPanicError(got), tc.IsPanicError)
|
|
}
|
|
if tc.IsPanicError && !strings.HasPrefix(got.Error(), "panic error cause by:") {
|
|
t.Error("wrong text msg for panic error")
|
|
}
|
|
})
|
|
}
|
|
}
|