two/pkg/worker/queue_test.go
GnomeZworc cdbb5012b1
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f-29: stop: add a proper stop
Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
2026-08-18 00:41:01 +02:00

179 lines
3 KiB
Go

package worker
import (
"sync"
"sync/atomic"
"testing"
"time"
)
func TestNew_ReturnsQueue(t *testing.T) {
q := New(10)
if q == nil {
t.Fatal("New devrait retourner une queue non-nil")
}
}
func TestQueue_SingleTaskExecuted(t *testing.T) {
q := New(1)
q.Start(1)
var done atomic.Bool
var wg sync.WaitGroup
wg.Add(1)
q.Submit(func() {
done.Store(true)
wg.Done()
})
wg.Wait()
if !done.Load() {
t.Error("la tâche n'a pas été exécutée")
}
}
func TestQueue_AllTasksExecuted(t *testing.T) {
const n = 50
q := New(n)
q.Start(1)
var count atomic.Int32
var wg sync.WaitGroup
wg.Add(n)
for range n {
q.Submit(func() {
count.Add(1)
wg.Done()
})
}
wg.Wait()
if count.Load() != n {
t.Errorf("attendu %d exécutions, obtenu %d", n, count.Load())
}
}
func TestQueue_MultipleWorkers(t *testing.T) {
const n = 100
q := New(n)
q.Start(4)
var count atomic.Int32
var wg sync.WaitGroup
wg.Add(n)
for range n {
q.Submit(func() {
count.Add(1)
wg.Done()
})
}
wg.Wait()
if count.Load() != n {
t.Errorf("attendu %d exécutions, obtenu %d", n, count.Load())
}
}
func TestQueue_SubmitBlocksWhenFull(t *testing.T) {
q := New(1)
// Remplit le buffer sans worker
q.Submit(func() {})
submitted := make(chan struct{})
go func() {
q.Submit(func() {}) // doit bloquer jusqu'à ce qu'un worker consomme
close(submitted)
}()
select {
case <-submitted:
t.Error("Submit aurait dû bloquer sur une queue pleine")
case <-time.After(50 * time.Millisecond):
// comportement attendu : goroutine bloquée
}
// Démarre un worker pour débloquer
q.Start(1)
select {
case <-submitted:
// Submit a pu avancer
case <-time.After(time.Second):
t.Error("Submit aurait dû se débloquer après démarrage d'un worker")
}
}
func TestStop_AttendLesTachesEnCours(t *testing.T) {
q := New(10)
q.Start(2)
var mu sync.Mutex
done := 0
for range 5 {
q.Submit(func() {
time.Sleep(20 * time.Millisecond)
mu.Lock()
done++
mu.Unlock()
})
}
q.Stop()
mu.Lock()
defer mu.Unlock()
if done != 5 {
t.Errorf("Stop devrait attendre les 5 tâches, %d terminées", done)
}
}
func TestStop_RejetteLesTachesSuivantes(t *testing.T) {
q := New(10)
q.Start(1)
q.Stop()
executed := make(chan struct{}, 1)
q.Submit(func() { executed <- struct{}{} })
select {
case <-executed:
t.Error("une tâche soumise après Stop ne doit pas être exécutée")
case <-time.After(100 * time.Millisecond):
}
}
func TestStop_Idempotent(t *testing.T) {
q := New(10)
q.Start(1)
q.Stop()
q.Stop()
}
func TestStop_SansTacheEnCours(t *testing.T) {
q := New(10)
q.Start(3)
done := make(chan struct{})
go func() { q.Stop(); close(done) }()
select {
case <-done:
case <-time.After(2 * time.Second):
t.Fatal("Stop n'a pas rendu la main sur une file vide")
}
}
func TestSubmit_ConcurrentAvecStop(t *testing.T) {
q := New(100)
q.Start(4)
var wg sync.WaitGroup
for range 20 {
wg.Add(1)
go func() {
defer wg.Done()
q.Submit(func() {})
}()
}
q.Stop()
wg.Wait()
}