76 lines
1.3 KiB
Go
76 lines
1.3 KiB
Go
package testing
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import (
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"context"
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"fmt"
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"sync"
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"sync/atomic"
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"testing"
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"time"
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"forge.cadoles.com/arcad/edge/pkg/bus"
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"github.com/pkg/errors"
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)
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const (
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testAddress bus.Address = "testAddress"
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)
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func TestPublishSubscribe(t *testing.T, b bus.Bus) {
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
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defer cancel()
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t.Log("subscribe")
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envelopes, err := b.Subscribe(ctx, testAddress)
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if err != nil {
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t.Fatal(errors.WithStack(err))
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}
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expectedTotal := 5
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var wg sync.WaitGroup
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wg.Add(expectedTotal)
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go func() {
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count := expectedTotal
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for i := 0; i < count; i++ {
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env := bus.NewEnvelope(testAddress, fmt.Sprintf("message %d", i))
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if err := b.Publish(env); err != nil {
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t.Error(errors.WithStack(err))
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}
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t.Logf("published %d", i)
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}
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}()
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var count int32 = 0
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go func() {
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t.Log("range for received envelopes")
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for env := range envelopes {
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t.Logf("received msg %d", atomic.LoadInt32(&count))
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atomic.AddInt32(&count, 1)
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if e, g := testAddress, env.Address(); e != g {
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t.Errorf("env.Address(): expected '%v', got '%v'", e, g)
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}
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wg.Done()
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}
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}()
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wg.Wait()
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b.Unsubscribe(testAddress, envelopes)
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if e, g := int32(expectedTotal), count; e != g {
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t.Errorf("envelopes received count: expected '%v', got '%v'", e, g)
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}
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}
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