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package task_test
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/lxc/incus/v6/internal/server/task"
)
func TestGroup_Add(t *testing.T) {
group := &task.Group{}
ok := make(chan struct{})
f := func(context.Context) { close(ok) }
group.Add(f, task.Every(time.Second))
group.Start(context.Background())
assertRecv(t, ok)
assert.NoError(t, group.Stop(time.Second))
}
func TestGroup_StopUngracefully(t *testing.T) {
group := &task.Group{}
// Create a task function that blocks.
ok := make(chan struct{})
defer close(ok)
f := func(context.Context) {
ok <- struct{}{}
<-ok
}
group.Add(f, task.Every(time.Second))
group.Start(context.Background())
assertRecv(t, ok)
assert.EqualError(t, group.Stop(time.Millisecond), "Task(s) still running: IDs [0]")
}
// Assert that the given channel receives an object within a second.
func assertRecv(t *testing.T, ch chan struct{}) {
select {
case <-ch:
case <-time.After(time.Second):
t.Fatal("no object received")
}
}
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