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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| // Copyright 2020 The go-zeromq Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package zmq4_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "reflect" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/go-zeromq/zmq4" | ||
| "golang.org/x/sync/errgroup" | ||
| "golang.org/x/xerrors" | ||
| ) | ||
|
|
||
| var ( | ||
| xpubsubs = []testCaseXPubSub{ | ||
| { | ||
| name: "tcp-xpub-sub", | ||
| endpoint: must(EndPoint("tcp")), | ||
| xpub: zmq4.NewXPub(bkg), | ||
| sub0: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub0"))), | ||
| sub1: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub1"))), | ||
| sub2: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub2"))), | ||
| }, | ||
| { | ||
| name: "ipc-xpub-sub", | ||
| endpoint: "ipc://ipc-xpub-sub", | ||
| xpub: zmq4.NewXPub(bkg), | ||
| sub0: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub0"))), | ||
| sub1: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub1"))), | ||
| sub2: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub2"))), | ||
| }, | ||
| { | ||
| name: "inproc-xpub-sub", | ||
| endpoint: "inproc://inproc-xpub-sub", | ||
| xpub: zmq4.NewXPub(bkg), | ||
| sub0: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub0"))), | ||
| sub1: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub1"))), | ||
| sub2: zmq4.NewSub(bkg, zmq4.WithID(zmq4.SocketIdentity("sub2"))), | ||
| }, | ||
| } | ||
| ) | ||
|
|
||
| type testCaseXPubSub struct { | ||
| name string | ||
| skip bool | ||
| endpoint string | ||
| xpub zmq4.Socket | ||
| sub0 zmq4.Socket | ||
| sub1 zmq4.Socket | ||
| sub2 zmq4.Socket | ||
| } | ||
|
|
||
| func TestXPubSub(t *testing.T) { | ||
| var ( | ||
| topics = []string{"", "MSG", "msg"} | ||
| wantNumMsgs = []int{3, 1, 1} | ||
| msg0 = zmq4.NewMsgString("anything") | ||
| msg1 = zmq4.NewMsgString("MSG 1") | ||
| msg2 = zmq4.NewMsgString("msg 2") | ||
| msgs = [][]zmq4.Msg{ | ||
| 0: {msg0, msg1, msg2}, | ||
| 1: {msg1}, | ||
| 2: {msg2}, | ||
| } | ||
| ) | ||
|
|
||
| for i := range xpubsubs { | ||
| tc := xpubsubs[i] | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| defer tc.xpub.Close() | ||
| defer tc.sub0.Close() | ||
| defer tc.sub1.Close() | ||
| defer tc.sub2.Close() | ||
|
|
||
| if tc.skip { | ||
| t.Skipf(tc.name) | ||
| } | ||
| //t.Parallel() | ||
|
|
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| ep := tc.endpoint | ||
| cleanUp(ep) | ||
|
|
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| ctx, timeout := context.WithTimeout(context.Background(), 20*time.Second) | ||
| defer timeout() | ||
|
|
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| nmsgs := []int{0, 0, 0} | ||
| subs := []zmq4.Socket{tc.sub0, tc.sub1, tc.sub2} | ||
|
|
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| var wg1 sync.WaitGroup | ||
| var wg2 sync.WaitGroup | ||
| wg1.Add(len(subs)) | ||
| wg2.Add(len(subs)) | ||
|
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| grp, ctx := errgroup.WithContext(ctx) | ||
| grp.Go(func() error { | ||
|
|
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| err := tc.xpub.Listen(ep) | ||
| if err != nil { | ||
| return xerrors.Errorf("could not listen: %w", err) | ||
| } | ||
|
|
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| if addr := tc.xpub.Addr(); addr == nil { | ||
| return xerrors.Errorf("listener with nil Addr") | ||
| } | ||
|
|
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| wg1.Wait() | ||
| wg2.Wait() | ||
|
|
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| time.Sleep(1 * time.Second) | ||
|
|
||
| for _, msg := range msgs[0] { | ||
| err = tc.xpub.Send(msg) | ||
| if err != nil { | ||
| return xerrors.Errorf("could not send message %v: %w", msg, err) | ||
| } | ||
| } | ||
|
|
||
| return err | ||
| }) | ||
|
|
||
| for isub := range subs { | ||
| func(isub int, sub zmq4.Socket) { | ||
| grp.Go(func() error { | ||
| var err error | ||
| err = sub.Dial(ep) | ||
| if err != nil { | ||
| return xerrors.Errorf("could not dial: %w", err) | ||
| } | ||
|
|
||
| if addr := sub.Addr(); addr != nil { | ||
| return xerrors.Errorf("dialer with non-nil Addr") | ||
| } | ||
|
|
||
| wg1.Done() | ||
| wg1.Wait() | ||
|
|
||
| err = sub.SetOption(zmq4.OptionSubscribe, topics[isub]) | ||
| if err != nil { | ||
| return xerrors.Errorf("could not subscribe to topic %q: %w", topics[isub], err) | ||
| } | ||
|
|
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| wg2.Done() | ||
| wg2.Wait() | ||
|
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| msgs := msgs[isub] | ||
| for imsg, want := range msgs { | ||
| msg, err := sub.Recv() | ||
| if err != nil { | ||
| return xerrors.Errorf("could not recv message %v: %w", want, err) | ||
| } | ||
| if !reflect.DeepEqual(msg, want) { | ||
| return xerrors.Errorf("sub[%d][msg=%d]: got = %v, want= %v", isub, imsg, msg, want) | ||
| } | ||
| nmsgs[isub]++ | ||
| } | ||
|
|
||
| return err | ||
| }) | ||
| }(isub, subs[isub]) | ||
| } | ||
|
|
||
| if err := grp.Wait(); err != nil { | ||
| t.Fatalf("error: %+v", err) | ||
| } | ||
|
|
||
| if err := ctx.Err(); err != nil && err != context.Canceled { | ||
| t.Fatalf("error: %+v", err) | ||
| } | ||
|
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| for i, want := range wantNumMsgs { | ||
| if want != nmsgs[i] { | ||
| t.Errorf("xsub[%d]: got %d messages, want %d msgs=%v", i, nmsgs[i], want, nmsgs) | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } |