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