forked from ipfs/boxo
/
pubsub.go
136 lines (110 loc) · 2.43 KB
/
pubsub.go
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package tests
import (
"context"
"testing"
"time"
iface "github.com/stateless-minds/boxo/coreiface"
"github.com/stateless-minds/boxo/coreiface/options"
)
func (tp *TestSuite) TestPubSub(t *testing.T) {
tp.hasApi(t, func(api iface.CoreAPI) error {
if api.PubSub() == nil {
return errAPINotImplemented
}
return nil
})
t.Run("TestBasicPubSub", tp.TestBasicPubSub)
}
func (tp *TestSuite) TestBasicPubSub(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
apis, err := tp.MakeAPISwarm(t, ctx, 2)
if err != nil {
t.Fatal(err)
}
sub, err := apis[0].PubSub().Subscribe(ctx, "testch")
if err != nil {
t.Fatal(err)
}
done := make(chan struct{})
go func() {
defer close(done)
ticker := time.NewTicker(100 * time.Millisecond)
defer ticker.Stop()
for {
err := apis[1].PubSub().Publish(ctx, "testch", []byte("hello world"))
switch err {
case nil:
case context.Canceled:
return
default:
t.Error(err)
cancel()
return
}
select {
case <-ticker.C:
case <-ctx.Done():
return
}
}
}()
// Wait for the sender to finish before we return.
// Otherwise, we can get random errors as publish fails.
defer func() {
cancel()
<-done
}()
m, err := sub.Next(ctx)
if err != nil {
t.Fatal(err)
}
if string(m.Data()) != "hello world" {
t.Errorf("got invalid data: %s", string(m.Data()))
}
self1, err := apis[1].Key().Self(ctx)
if err != nil {
t.Fatal(err)
}
if m.From() != self1.ID() {
t.Errorf("m.From didn't match")
}
peers, err := apis[1].PubSub().Peers(ctx, options.PubSub.Topic("testch"))
if err != nil {
t.Fatal(err)
}
if len(peers) != 1 {
t.Fatalf("got incorrect number of peers: %d", len(peers))
}
self0, err := apis[0].Key().Self(ctx)
if err != nil {
t.Fatal(err)
}
if peers[0] != self0.ID() {
t.Errorf("peer didn't match")
}
peers, err = apis[1].PubSub().Peers(ctx, options.PubSub.Topic("nottestch"))
if err != nil {
t.Fatal(err)
}
if len(peers) != 0 {
t.Fatalf("got incorrect number of peers: %d", len(peers))
}
topics, err := apis[0].PubSub().Ls(ctx)
if err != nil {
t.Fatal(err)
}
if len(topics) != 1 {
t.Fatalf("got incorrect number of topics: %d", len(peers))
}
if topics[0] != "testch" {
t.Errorf("topic didn't match")
}
topics, err = apis[1].PubSub().Ls(ctx)
if err != nil {
t.Fatal(err)
}
if len(topics) != 0 {
t.Fatalf("got incorrect number of topics: %d", len(peers))
}
}