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client_test.go
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client_test.go
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package river
import (
"context"
"encoding/json"
"errors"
"fmt"
"log/slog"
"os"
"strconv"
"strings"
"sync"
"testing"
"time"
"github.com/jackc/pgerrcode"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgconn"
"github.com/jackc/pgx/v5/pgxpool"
"github.com/jackc/pgx/v5/stdlib"
"github.com/robfig/cron/v3"
"github.com/stretchr/testify/require"
"github.com/tidwall/sjson"
"github.com/riverqueue/river/internal/dbunique"
"github.com/riverqueue/river/internal/maintenance"
"github.com/riverqueue/river/internal/notifier"
"github.com/riverqueue/river/internal/rivercommon"
"github.com/riverqueue/river/internal/riverinternaltest"
"github.com/riverqueue/river/internal/util/dbutil"
"github.com/riverqueue/river/riverdriver"
"github.com/riverqueue/river/riverdriver/riverdatabasesql"
"github.com/riverqueue/river/riverdriver/riverpgxv5"
"github.com/riverqueue/river/rivershared/riversharedtest"
"github.com/riverqueue/river/rivershared/startstoptest"
"github.com/riverqueue/river/rivershared/testfactory"
"github.com/riverqueue/river/rivershared/util/ptrutil"
"github.com/riverqueue/river/rivershared/util/randutil"
"github.com/riverqueue/river/rivershared/util/serviceutil"
"github.com/riverqueue/river/rivershared/util/sliceutil"
"github.com/riverqueue/river/rivertype"
)
type noOpArgs struct {
Name string `json:"name"`
}
func (noOpArgs) Kind() string { return "noOp" }
type noOpWorker struct {
WorkerDefaults[noOpArgs]
}
func (w *noOpWorker) Work(ctx context.Context, job *Job[noOpArgs]) error { return nil }
type periodicJobArgs struct{}
func (periodicJobArgs) Kind() string { return "periodic_job" }
type periodicJobWorker struct {
WorkerDefaults[periodicJobArgs]
}
func (w *periodicJobWorker) Work(ctx context.Context, job *Job[periodicJobArgs]) error {
return nil
}
type callbackFunc func(context.Context, *Job[callbackArgs]) error
func makeAwaitCallback(startedCh chan<- int64, doneCh chan struct{}) callbackFunc {
return func(ctx context.Context, job *Job[callbackArgs]) error {
client := ClientFromContext[pgx.Tx](ctx)
client.config.Logger.InfoContext(ctx, "callback job started with id="+strconv.FormatInt(job.ID, 10))
select {
case <-ctx.Done():
return ctx.Err()
case startedCh <- job.ID:
}
// await done signal, or context cancellation:
select {
case <-ctx.Done():
return ctx.Err()
case <-doneCh:
return nil
}
}
}
type callbackArgs struct {
Name string `json:"name"`
}
func (callbackArgs) Kind() string { return "callback" }
type callbackWorker struct {
WorkerDefaults[callbackArgs]
fn callbackFunc
}
func (w *callbackWorker) Work(ctx context.Context, job *Job[callbackArgs]) error {
return w.fn(ctx, job)
}
// A small wrapper around Client that gives us a struct that corrects the
// client's Stop function so that it can implement startstop.Service.
type clientWithSimpleStop[TTx any] struct {
*Client[TTx]
}
func (c *clientWithSimpleStop[TTx]) Started() <-chan struct{} {
return c.baseStartStop.Started()
}
func (c *clientWithSimpleStop[TTx]) Stop() {
_ = c.Client.Stop(context.Background())
}
func newTestConfig(t *testing.T, callback callbackFunc) *Config {
t.Helper()
workers := NewWorkers()
if callback != nil {
AddWorker(workers, &callbackWorker{fn: callback})
}
AddWorker(workers, &noOpWorker{})
return &Config{
FetchCooldown: 20 * time.Millisecond,
FetchPollInterval: 50 * time.Millisecond,
Logger: riversharedtest.Logger(t),
MaxAttempts: MaxAttemptsDefault,
Queues: map[string]QueueConfig{QueueDefault: {MaxWorkers: 50}},
TestOnly: true, // disables staggered start in maintenance services
Workers: workers,
schedulerInterval: riverinternaltest.SchedulerShortInterval,
time: &riversharedtest.TimeStub{},
}
}
func newTestClient(t *testing.T, dbPool *pgxpool.Pool, config *Config) *Client[pgx.Tx] {
t.Helper()
client, err := NewClient(riverpgxv5.New(dbPool), config)
require.NoError(t, err)
return client
}
func startClient[TTx any](ctx context.Context, t *testing.T, client *Client[TTx]) {
t.Helper()
if err := client.Start(ctx); err != nil {
require.NoError(t, err)
}
t.Cleanup(func() {
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
require.NoError(t, client.Stop(ctx))
})
}
func runNewTestClient(ctx context.Context, t *testing.T, config *Config) *Client[pgx.Tx] {
t.Helper()
dbPool := riverinternaltest.TestDB(ctx, t)
client := newTestClient(t, dbPool, config)
startClient(ctx, t, client)
return client
}
func subscribe[TTx any](t *testing.T, client *Client[TTx]) <-chan *Event {
t.Helper()
subscribeChan, cancel := client.Subscribe(
EventKindJobCancelled,
EventKindJobCompleted,
EventKindJobFailed,
EventKindJobSnoozed,
EventKindQueuePaused,
EventKindQueueResumed,
)
t.Cleanup(cancel)
return subscribeChan
}
func Test_Client(t *testing.T) {
t.Parallel()
ctx := context.Background()
type testBundle struct {
config *Config
dbPool *pgxpool.Pool
}
// Alternate setup returning only client Config rather than a full Client.
setupConfig := func(t *testing.T) (*Config, *testBundle) {
t.Helper()
dbPool := riverinternaltest.TestDB(ctx, t)
config := newTestConfig(t, nil)
return config, &testBundle{
config: config,
dbPool: dbPool,
}
}
setup := func(t *testing.T) (*Client[pgx.Tx], *testBundle) {
t.Helper()
config, bundle := setupConfig(t)
return newTestClient(t, bundle.dbPool, config), bundle
}
t.Run("StartInsertAndWork", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
type JobArgs struct {
JobArgsReflectKind[JobArgs]
}
workedChan := make(chan struct{})
AddWorker(client.config.Workers, WorkFunc(func(ctx context.Context, job *Job[JobArgs]) error {
workedChan <- struct{}{}
return nil
}))
startClient(ctx, t, client)
_, err := client.Insert(ctx, &JobArgs{}, nil)
require.NoError(t, err)
riversharedtest.WaitOrTimeout(t, workedChan)
})
t.Run("Queues_Add_BeforeStart", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
type JobArgs struct {
JobArgsReflectKind[JobArgs]
}
workedChan := make(chan struct{})
AddWorker(client.config.Workers, WorkFunc(func(ctx context.Context, job *Job[JobArgs]) error {
workedChan <- struct{}{}
return nil
}))
queueName := "new_queue"
err := client.Queues().Add(queueName, QueueConfig{
MaxWorkers: 2,
})
require.NoError(t, err)
startClient(ctx, t, client)
_, err = client.Insert(ctx, &JobArgs{}, &InsertOpts{
Queue: queueName,
})
require.NoError(t, err)
riversharedtest.WaitOrTimeout(t, workedChan)
})
t.Run("Queues_Add_AfterStart", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
type JobArgs struct {
JobArgsReflectKind[JobArgs]
}
workedChan := make(chan struct{})
AddWorker(client.config.Workers, WorkFunc(func(ctx context.Context, job *Job[JobArgs]) error {
workedChan <- struct{}{}
return nil
}))
startClient(ctx, t, client)
riversharedtest.WaitOrTimeout(t, client.baseStartStop.Started())
queueName := "new_queue"
err := client.Queues().Add(queueName, QueueConfig{
MaxWorkers: 2,
})
require.NoError(t, err)
_, err = client.Insert(ctx, &JobArgs{}, &InsertOpts{
Queue: queueName,
})
require.NoError(t, err)
riversharedtest.WaitOrTimeout(t, workedChan)
})
t.Run("Queues_Add_Stress", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
var wg sync.WaitGroup
// Uses a smaller number of workers and iterations than most stress
// tests because there's quite a lot of mutex contention so that too
// many can make the test run long.
for i := 0; i < 3; i++ {
wg.Add(1)
workerNum := i
go func() {
defer wg.Done()
for j := 0; j < 5; j++ {
err := client.Queues().Add(fmt.Sprintf("new_queue_%d_%d_before", workerNum, j), QueueConfig{MaxWorkers: 1})
require.NoError(t, err)
err = client.Start(ctx)
if !errors.Is(err, rivercommon.ErrShutdown) {
require.NoError(t, err)
}
err = client.Queues().Add(fmt.Sprintf("new_queue_%d_%d_after", workerNum, j), QueueConfig{MaxWorkers: 1})
require.NoError(t, err)
stopped := make(chan struct{})
go func() {
defer close(stopped)
require.NoError(t, client.Stop(ctx))
}()
select {
case <-stopped:
case <-time.After(5 * time.Second):
require.FailNow(t, "Timed out waiting for service to stop")
}
}
}()
}
wg.Wait()
})
t.Run("JobCancelErrorReturned", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
type JobArgs struct {
JobArgsReflectKind[JobArgs]
}
AddWorker(client.config.Workers, WorkFunc(func(ctx context.Context, job *Job[JobArgs]) error {
return JobCancel(errors.New("a persisted internal error"))
}))
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
insertRes, err := client.Insert(ctx, &JobArgs{}, nil)
require.NoError(t, err)
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCancelled, event.Kind)
require.Equal(t, rivertype.JobStateCancelled, event.Job.State)
require.WithinDuration(t, time.Now(), *event.Job.FinalizedAt, 2*time.Second)
updatedJob, err := client.JobGet(ctx, insertRes.Job.ID)
require.NoError(t, err)
require.Equal(t, rivertype.JobStateCancelled, updatedJob.State)
require.WithinDuration(t, time.Now(), *updatedJob.FinalizedAt, 2*time.Second)
})
t.Run("JobCancelErrorReturnedWithNilErr", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
type JobArgs struct {
JobArgsReflectKind[JobArgs]
}
AddWorker(client.config.Workers, WorkFunc(func(ctx context.Context, job *Job[JobArgs]) error {
return JobCancel(nil)
}))
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
insertRes, err := client.Insert(ctx, &JobArgs{}, nil)
require.NoError(t, err)
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCancelled, event.Kind)
require.Equal(t, rivertype.JobStateCancelled, event.Job.State)
require.WithinDuration(t, time.Now(), *event.Job.FinalizedAt, 2*time.Second)
updatedJob, err := client.JobGet(ctx, insertRes.Job.ID)
require.NoError(t, err)
require.Equal(t, rivertype.JobStateCancelled, updatedJob.State)
require.WithinDuration(t, time.Now(), *updatedJob.FinalizedAt, 2*time.Second)
})
t.Run("JobSnoozeErrorReturned", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
type JobArgs struct {
JobArgsReflectKind[JobArgs]
}
AddWorker(client.config.Workers, WorkFunc(func(ctx context.Context, job *Job[JobArgs]) error {
return JobSnooze(15 * time.Minute)
}))
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
insertRes, err := client.Insert(ctx, &JobArgs{}, nil)
require.NoError(t, err)
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobSnoozed, event.Kind)
require.Equal(t, rivertype.JobStateScheduled, event.Job.State)
require.WithinDuration(t, time.Now().Add(15*time.Minute), event.Job.ScheduledAt, 2*time.Second)
updatedJob, err := client.JobGet(ctx, insertRes.Job.ID)
require.NoError(t, err)
require.Equal(t, rivertype.JobStateScheduled, updatedJob.State)
require.WithinDuration(t, time.Now().Add(15*time.Minute), updatedJob.ScheduledAt, 2*time.Second)
})
// This helper is used to test cancelling a job both _in_ a transaction and
// _outside of_ a transaction. The exact same test logic applies to each case,
// the only difference is a different cancelFunc provided by the specific
// subtest.
cancelRunningJobTestHelper := func(t *testing.T, cancelFunc func(ctx context.Context, dbPool *pgxpool.Pool, client *Client[pgx.Tx], jobID int64) (*rivertype.JobRow, error)) { //nolint:thelper
client, bundle := setup(t)
jobStartedChan := make(chan int64)
type JobArgs struct {
JobArgsReflectKind[JobArgs]
}
AddWorker(client.config.Workers, WorkFunc(func(ctx context.Context, job *Job[JobArgs]) error {
jobStartedChan <- job.ID
<-ctx.Done()
return ctx.Err()
}))
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
riversharedtest.WaitOrTimeout(t, client.baseStartStop.Started())
insertRes, err := client.Insert(ctx, &JobArgs{}, nil)
require.NoError(t, err)
startedJobID := riversharedtest.WaitOrTimeout(t, jobStartedChan)
require.Equal(t, insertRes.Job.ID, startedJobID)
// Cancel the job:
updatedJob, err := cancelFunc(ctx, bundle.dbPool, client, insertRes.Job.ID)
require.NoError(t, err)
require.NotNil(t, updatedJob)
// Job is still actively running at this point because the query wouldn't
// modify that column for a running job:
require.Equal(t, rivertype.JobStateRunning, updatedJob.State)
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCancelled, event.Kind)
require.Equal(t, rivertype.JobStateCancelled, event.Job.State)
require.WithinDuration(t, time.Now(), *event.Job.FinalizedAt, 2*time.Second)
jobAfterCancel, err := client.JobGet(ctx, insertRes.Job.ID)
require.NoError(t, err)
require.Equal(t, rivertype.JobStateCancelled, jobAfterCancel.State)
require.WithinDuration(t, time.Now(), *jobAfterCancel.FinalizedAt, 2*time.Second)
}
t.Run("CancelRunningJob", func(t *testing.T) {
t.Parallel()
cancelRunningJobTestHelper(t, func(ctx context.Context, dbPool *pgxpool.Pool, client *Client[pgx.Tx], jobID int64) (*rivertype.JobRow, error) {
return client.JobCancel(ctx, jobID)
})
})
t.Run("CancelRunningJobInTx", func(t *testing.T) {
t.Parallel()
cancelRunningJobTestHelper(t, func(ctx context.Context, dbPool *pgxpool.Pool, client *Client[pgx.Tx], jobID int64) (*rivertype.JobRow, error) {
var (
job *rivertype.JobRow
err error
)
txErr := pgx.BeginFunc(ctx, dbPool, func(tx pgx.Tx) error {
job, err = client.JobCancelTx(ctx, tx, jobID)
return err
})
require.NoError(t, txErr)
return job, err
})
})
t.Run("CancelScheduledJob", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
type JobArgs struct {
JobArgsReflectKind[JobArgs]
}
AddWorker(client.config.Workers, WorkFunc(func(ctx context.Context, job *Job[JobArgs]) error {
return nil
}))
startClient(ctx, t, client)
insertRes, err := client.Insert(ctx, &JobArgs{}, &InsertOpts{ScheduledAt: time.Now().Add(5 * time.Minute)})
require.NoError(t, err)
// Cancel the job:
updatedJob, err := client.JobCancel(ctx, insertRes.Job.ID)
require.NoError(t, err)
require.NotNil(t, updatedJob)
require.Equal(t, rivertype.JobStateCancelled, updatedJob.State)
require.WithinDuration(t, time.Now(), *updatedJob.FinalizedAt, 2*time.Second)
})
t.Run("CancelNonExistentJob", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
startClient(ctx, t, client)
// Cancel an unknown job ID:
jobAfter, err := client.JobCancel(ctx, 0)
require.ErrorIs(t, err, ErrNotFound)
require.Nil(t, jobAfter)
// Cancel an unknown job ID, within a transaction:
err = dbutil.WithTx(ctx, client.driver.GetExecutor(), func(ctx context.Context, exec riverdriver.ExecutorTx) error {
jobAfter, err := exec.JobCancel(ctx, &riverdriver.JobCancelParams{ID: 0})
require.ErrorIs(t, err, ErrNotFound)
require.Nil(t, jobAfter)
return nil
})
require.NoError(t, err)
})
t.Run("AlternateSchema", func(t *testing.T) {
t.Parallel()
_, bundle := setup(t)
// Reconfigure the pool with an alternate schema, initialize a new pool
dbPoolConfig := bundle.dbPool.Config() // a copy of the original config
dbPoolConfig.ConnConfig.RuntimeParams["search_path"] = "alternate_schema"
dbPool, err := pgxpool.NewWithConfig(ctx, dbPoolConfig)
require.NoError(t, err)
t.Cleanup(dbPool.Close)
client, err := NewClient(riverpgxv5.New(dbPool), bundle.config)
require.NoError(t, err)
// We don't actually verify that River's functional on another schema so
// that we don't have to raise and migrate it. We cheat a little by
// configuring a different schema and then verifying that we can't find
// a `river_job` to confirm we're point there.
_, err = client.Insert(ctx, &noOpArgs{}, nil)
var pgErr *pgconn.PgError
require.ErrorAs(t, err, &pgErr)
require.Equal(t, pgerrcode.UndefinedTable, pgErr.Code)
// PgError has SchemaName and TableName properties, but unfortunately
// neither contain a useful value in this case.
require.Equal(t, `relation "river_job" does not exist`, pgErr.Message)
})
t.Run("WithWorkerMiddleware", func(t *testing.T) {
t.Parallel()
_, bundle := setup(t)
middlewareCalled := false
type privateKey string
middleware := &overridableJobMiddleware{
workFunc: func(ctx context.Context, job *rivertype.JobRow, doInner func(ctx context.Context) error) error {
ctx = context.WithValue(ctx, privateKey("middleware"), "called")
middlewareCalled = true
return doInner(ctx)
},
}
bundle.config.WorkerMiddleware = []rivertype.WorkerMiddleware{middleware}
AddWorker(bundle.config.Workers, WorkFunc(func(ctx context.Context, job *Job[callbackArgs]) error {
require.Equal(t, "called", ctx.Value(privateKey("middleware")))
return nil
}))
driver := riverpgxv5.New(bundle.dbPool)
client, err := NewClient(driver, bundle.config)
require.NoError(t, err)
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
result, err := client.Insert(ctx, callbackArgs{}, nil)
require.NoError(t, err)
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, result.Job.ID, event.Job.ID)
require.True(t, middlewareCalled)
})
t.Run("WithWorkerMiddlewareOnWorker", func(t *testing.T) {
t.Parallel()
_, bundle := setup(t)
middlewareCalled := false
type privateKey string
worker := &workerWithMiddleware[callbackArgs]{
workFunc: func(ctx context.Context, job *Job[callbackArgs]) error {
require.Equal(t, "called", ctx.Value(privateKey("middleware")))
return nil
},
middlewareFunc: func(job *Job[callbackArgs]) []rivertype.WorkerMiddleware {
require.Equal(t, "middleware_test", job.Args.Name, "JSON should be decoded before middleware is called")
return []rivertype.WorkerMiddleware{
&overridableJobMiddleware{
workFunc: func(ctx context.Context, job *rivertype.JobRow, doInner func(ctx context.Context) error) error {
ctx = context.WithValue(ctx, privateKey("middleware"), "called")
middlewareCalled = true
return doInner(ctx)
},
},
}
},
}
AddWorker(bundle.config.Workers, worker)
driver := riverpgxv5.New(bundle.dbPool)
client, err := NewClient(driver, bundle.config)
require.NoError(t, err)
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
result, err := client.Insert(ctx, callbackArgs{Name: "middleware_test"}, nil)
require.NoError(t, err)
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, result.Job.ID, event.Job.ID)
require.True(t, middlewareCalled)
})
t.Run("PauseAndResumeSingleQueue", func(t *testing.T) {
t.Parallel()
config, bundle := setupConfig(t)
client := newTestClient(t, bundle.dbPool, config)
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
insertRes1, err := client.Insert(ctx, &noOpArgs{}, nil)
require.NoError(t, err)
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, insertRes1.Job.ID, event.Job.ID)
require.NoError(t, client.QueuePause(ctx, QueueDefault, nil))
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, &Event{Kind: EventKindQueuePaused, Queue: &rivertype.Queue{Name: QueueDefault}}, event)
insertRes2, err := client.Insert(ctx, &noOpArgs{}, nil)
require.NoError(t, err)
select {
case <-subscribeChan:
t.Fatal("expected job 2 to not start on paused queue")
case <-time.After(500 * time.Millisecond):
}
require.NoError(t, client.QueueResume(ctx, QueueDefault, nil))
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, &Event{Kind: EventKindQueueResumed, Queue: &rivertype.Queue{Name: QueueDefault}}, event)
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, insertRes2.Job.ID, event.Job.ID)
})
t.Run("PauseAndResumeMultipleQueues", func(t *testing.T) {
t.Parallel()
config, bundle := setupConfig(t)
config.Queues["alternate"] = QueueConfig{MaxWorkers: 10}
client := newTestClient(t, bundle.dbPool, config)
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
insertRes1, err := client.Insert(ctx, &noOpArgs{}, nil)
require.NoError(t, err)
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, insertRes1.Job.ID, event.Job.ID)
// Pause only the default queue:
require.NoError(t, client.QueuePause(ctx, QueueDefault, nil))
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, &Event{Kind: EventKindQueuePaused, Queue: &rivertype.Queue{Name: QueueDefault}}, event)
insertRes2, err := client.Insert(ctx, &noOpArgs{}, nil)
require.NoError(t, err)
select {
case <-subscribeChan:
t.Fatal("expected job 2 to not start on paused queue")
case <-time.After(500 * time.Millisecond):
}
// alternate queue should still be running:
insertResAlternate1, err := client.Insert(ctx, &noOpArgs{}, &InsertOpts{Queue: "alternate"})
require.NoError(t, err)
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, insertResAlternate1.Job.ID, event.Job.ID)
// Pause all queues:
require.NoError(t, client.QueuePause(ctx, rivercommon.AllQueuesString, nil))
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, &Event{Kind: EventKindQueuePaused, Queue: &rivertype.Queue{Name: "alternate"}}, event)
insertResAlternate2, err := client.Insert(ctx, &noOpArgs{}, &InsertOpts{Queue: "alternate"})
require.NoError(t, err)
select {
case <-subscribeChan:
t.Fatal("expected alternate job 2 to not start on paused queue")
case <-time.After(500 * time.Millisecond):
}
// Resume only the alternate queue:
require.NoError(t, client.QueueResume(ctx, "alternate", nil))
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, &Event{Kind: EventKindQueueResumed, Queue: &rivertype.Queue{Name: "alternate"}}, event)
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, insertResAlternate2.Job.ID, event.Job.ID)
// Resume all queues:
require.NoError(t, client.QueueResume(ctx, rivercommon.AllQueuesString, nil))
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, &Event{Kind: EventKindQueueResumed, Queue: &rivertype.Queue{Name: QueueDefault}}, event)
event = riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, insertRes2.Job.ID, event.Job.ID)
})
t.Run("PauseAndResumeSingleQueueTx", func(t *testing.T) {
t.Parallel()
config, bundle := setupConfig(t)
client := newTestClient(t, bundle.dbPool, config)
queue := testfactory.Queue(ctx, t, client.driver.GetExecutor(), nil)
tx, err := bundle.dbPool.Begin(ctx)
require.NoError(t, err)
t.Cleanup(func() { tx.Rollback(ctx) })
require.NoError(t, client.QueuePauseTx(ctx, tx, queue.Name, nil))
queueRes, err := client.QueueGetTx(ctx, tx, queue.Name)
require.NoError(t, err)
require.WithinDuration(t, time.Now(), *queueRes.PausedAt, 2*time.Second)
// Not paused outside transaction.
queueRes, err = client.QueueGet(ctx, queue.Name)
require.NoError(t, err)
require.Nil(t, queueRes.PausedAt)
require.NoError(t, client.QueueResumeTx(ctx, tx, queue.Name, nil))
queueRes, err = client.QueueGetTx(ctx, tx, queue.Name)
require.NoError(t, err)
require.Nil(t, queueRes.PausedAt)
})
t.Run("PausedBeforeStart", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
jobStartedChan := make(chan int64)
type JobArgs struct {
JobArgsReflectKind[JobArgs]
}
AddWorker(client.config.Workers, WorkFunc(func(ctx context.Context, job *Job[JobArgs]) error {
jobStartedChan <- job.ID
return nil
}))
// Ensure queue record exists:
queue := testfactory.Queue(ctx, t, client.driver.GetExecutor(), nil)
// Pause only the default queue:
require.NoError(t, client.QueuePause(ctx, queue.Name, nil))
startClient(ctx, t, client)
_, err := client.Insert(ctx, &JobArgs{}, &InsertOpts{Queue: queue.Name})
require.NoError(t, err)
select {
case <-jobStartedChan:
t.Fatal("expected job to not start on paused queue")
case <-time.After(500 * time.Millisecond):
}
})
t.Run("PollOnlyDriver", func(t *testing.T) {
t.Parallel()
config, bundle := setupConfig(t)
bundle.config.PollOnly = true
stdPool := stdlib.OpenDBFromPool(bundle.dbPool)
t.Cleanup(func() { require.NoError(t, stdPool.Close()) })
client, err := NewClient(riverdatabasesql.New(stdPool), config)
require.NoError(t, err)
client.testSignals.Init()
// Notifier should not have been initialized at all.
require.Nil(t, client.notifier)
insertRes, err := client.Insert(ctx, &noOpArgs{}, nil)
require.NoError(t, err)
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
// Despite no notifier, the client should still be able to elect itself
// leader.
client.testSignals.electedLeader.WaitOrTimeout()
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, insertRes.Job.ID, event.Job.ID)
require.Equal(t, rivertype.JobStateCompleted, event.Job.State)
})
t.Run("PollOnlyOption", func(t *testing.T) {
t.Parallel()
config, bundle := setupConfig(t)
bundle.config.PollOnly = true
client := newTestClient(t, bundle.dbPool, config)
client.testSignals.Init()
// Notifier should not have been initialized at all.
require.Nil(t, client.notifier)
insertRes, err := client.Insert(ctx, &noOpArgs{}, nil)
require.NoError(t, err)
subscribeChan := subscribe(t, client)
startClient(ctx, t, client)
// Despite no notifier, the client should still be able to elect itself
// leader.
client.testSignals.electedLeader.WaitOrTimeout()
event := riversharedtest.WaitOrTimeout(t, subscribeChan)
require.Equal(t, EventKindJobCompleted, event.Kind)
require.Equal(t, insertRes.Job.ID, event.Job.ID)
require.Equal(t, rivertype.JobStateCompleted, event.Job.State)
})
t.Run("StartStopStress", func(t *testing.T) {
t.Parallel()
client, _ := setup(t)
clientWithStop := &clientWithSimpleStop[pgx.Tx]{Client: client}
startstoptest.StressErr(ctx, t, clientWithStop, rivercommon.ErrShutdown)
})
}
type workerWithMiddleware[T JobArgs] struct {
WorkerDefaults[T]
workFunc func(context.Context, *Job[T]) error
middlewareFunc func(*Job[T]) []rivertype.WorkerMiddleware
}
func (w *workerWithMiddleware[T]) Work(ctx context.Context, job *Job[T]) error {
return w.workFunc(ctx, job)
}
func (w *workerWithMiddleware[T]) Middleware(job *Job[T]) []rivertype.WorkerMiddleware {
return w.middlewareFunc(job)
}
func Test_Client_Stop(t *testing.T) {
t.Parallel()
ctx := context.Background()
// Performs continual job insertion on a number of background goroutines.
// Returns a `finish` function that should be deferred to stop insertion and
// safely stop goroutines.
doParallelContinualInsertion := func(ctx context.Context, t *testing.T, client *Client[pgx.Tx]) func() {
t.Helper()
ctx, cancel := context.WithCancel(ctx)
var wg sync.WaitGroup
for i := 0; i < 10; i++ {
wg.Add(1)
go func() {
defer wg.Done()
for {
select {
case <-ctx.Done():
return
default:
}
_, err := client.Insert(ctx, callbackArgs{}, nil)
// A cancelled context may produce a variety of underlying
// errors in pgx, so rather than comparing the return error,
// first check if context is cancelled, and ignore an error
// return if it is.
if ctx.Err() != nil {
return
}
require.NoError(t, err)
// Sleep a brief time between inserts.
serviceutil.CancellableSleep(ctx, randutil.DurationBetween(client.baseService.Rand, 1*time.Microsecond, 10*time.Millisecond))
}
}()
}
return func() {
cancel()
wg.Wait()
}
}
t.Run("no jobs in progress", func(t *testing.T) {
t.Parallel()
client := runNewTestClient(ctx, t, newTestConfig(t, nil))
// Should shut down quickly:
ctx, cancel := context.WithTimeout(ctx, time.Second)
defer cancel()
require.NoError(t, client.Stop(ctx))
})
t.Run("jobs in progress, completing promptly", func(t *testing.T) {
t.Parallel()
require := require.New(t)
doneCh := make(chan struct{})
startedCh := make(chan int64)