harness-drone/pubsub/hub_test.go
2021-07-22 18:56:41 +02:00

58 lines
951 B
Go

// Copyright 2019 Drone.IO Inc. All rights reserved.
// Use of this source code is governed by the Drone Non-Commercial License
// that can be found in the LICENSE file.
// +build !oss
package pubsub
import (
"context"
"sync"
"testing"
"github.com/drone/drone/core"
)
func TestBus(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
p := newHub()
events, errc := p.Subscribe(ctx)
got, err := p.Subscribers()
if err != nil {
t.Errorf("Test failed with an error: %s", err.Error())
return
}
if want := 1; got != want {
t.Errorf("Want %d subscribers, got %d", want, got)
}
w := sync.WaitGroup{}
w.Add(1)
go func() {
p.Publish(ctx, new(core.Message))
p.Publish(ctx, new(core.Message))
p.Publish(ctx, new(core.Message))
w.Done()
}()
w.Wait()
w.Add(3)
go func() {
for {
select {
case <-errc:
return
case <-events:
w.Done()
}
}
}()
w.Wait()
cancel()
}