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websocket_server_test.go
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websocket_server_test.go
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// Copyright 2019 Aporeto Inc.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package bahamut
import (
"context"
"errors"
"fmt"
"net/http"
"net/http/httptest"
"net/url"
"strings"
"sync"
"testing"
"time"
"github.com/go-zoo/bone"
// nolint:revive // Allow dot imports for readability in tests
. "github.com/smartystreets/goconvey/convey"
"go.aporeto.io/elemental"
testmodel "go.aporeto.io/elemental/test/model"
"go.aporeto.io/wsc"
)
type mockPubSubServer struct {
PublishErr error
publications []*Publication
}
func (p *mockPubSubServer) Connect(context.Context) error { return nil }
func (p *mockPubSubServer) Disconnect() error { return nil }
func (p *mockPubSubServer) Publish(publication *Publication, opts ...PubSubOptPublish) error {
p.publications = append(p.publications, publication)
return p.PublishErr
}
func (p *mockPubSubServer) Subscribe(pubs chan *Publication, errors chan error, topic string, opts ...PubSubOptSubscribe) func() {
return nil
}
type mockSessionAuthenticator struct {
err error
action AuthAction
}
func (a *mockSessionAuthenticator) AuthenticateSession(Session) (AuthAction, error) {
return a.action, a.err
}
type mockSessionHandler struct {
sync.Mutex
shouldPublishErr error
onPushSessionInitErr error
summarizeEventErr error
summarizeEvent any
shouldDispatchErr error
relatedIdentities []string
onPushSessionStopCalled int
shouldDispatchCalled int
relatedIdentitiesCalled int
shouldPublishCalled int
onPushSessionInitCalled int
onPushSessionStartCalled int
summarizeEventCalled int
shouldDispatchOK bool
shouldPublishOK bool
onPushSessionInitOK bool
}
func (h *mockSessionHandler) OnPushSessionInit(PushSession) (bool, error) {
h.Lock()
defer h.Unlock()
h.onPushSessionInitCalled++
return h.onPushSessionInitOK, h.onPushSessionInitErr
}
func (h *mockSessionHandler) OnPushSessionStart(PushSession) {
h.Lock()
defer h.Unlock()
h.onPushSessionStartCalled++
}
func (h *mockSessionHandler) OnPushSessionStop(PushSession) {
h.Lock()
defer h.Unlock()
h.onPushSessionStopCalled++
}
func (h *mockSessionHandler) ShouldPublish(*elemental.Event) (bool, error) {
h.Lock()
defer h.Unlock()
h.shouldPublishCalled++
return h.shouldPublishOK, h.shouldPublishErr
}
func (h *mockSessionHandler) ShouldDispatch(PushSession, *elemental.Event, any) (bool, error) {
h.Lock()
defer h.Unlock()
h.shouldDispatchCalled++
return h.shouldDispatchOK, h.shouldDispatchErr
}
func (h *mockSessionHandler) RelatedEventIdentities(i string) []string {
h.Lock()
defer h.Unlock()
h.relatedIdentitiesCalled++
return h.relatedIdentities
}
func (h *mockSessionHandler) SummarizeEvent(evt *elemental.Event) (any, error) {
h.Lock()
defer h.Unlock()
h.summarizeEventCalled++
return h.summarizeEvent, h.summarizeEventErr
}
func TestWebsocketServer_newWebsocketServer(t *testing.T) {
Convey("Given I have a processor finder", t, func() {
pf := func(identity elemental.Identity) (Processor, error) {
return struct{}{}, nil
}
Convey("When I create a new websocket server with push", func() {
mux := bone.New()
cfg := config{}
cfg.pushServer.enabled = true
cfg.pushServer.publishEnabled = true
cfg.pushServer.dispatchEnabled = true
wss := newPushServer(cfg, mux, pf)
Convey("Then the websocket sever should be correctly initialized", func() {
So(wss.sessions, ShouldResemble, map[string]*wsPushSession{})
So(wss.multiplexer, ShouldEqual, mux)
So(wss.cfg, ShouldResemble, cfg)
So(wss.processorFinder, ShouldEqual, pf)
})
Convey("Then the handlers should be installed in the mux", func() {
So(len(mux.Routes), ShouldEqual, 1)
So(len(mux.Routes["GET"]), ShouldEqual, 1)
So(mux.Routes["GET"][0].Path, ShouldEqual, "/events")
})
})
Convey("When I create a new websocket server with everything disabled", func() {
mux := bone.New()
cfg := config{}
_ = newPushServer(cfg, mux, pf)
Convey("Then the handlers should be installed in the mux", func() {
So(len(mux.Routes), ShouldEqual, 0)
})
})
})
}
func TestWebsockerServer_SessionRegistration(t *testing.T) {
Convey("Given I have a websocket server", t, func() {
pf := func(identity elemental.Identity) (Processor, error) {
return struct{}{}, nil
}
req, _ := http.NewRequest("GET", "bla", nil)
mux := bone.New()
cfg := config{}
h := &mockSessionHandler{}
cfg.pushServer.dispatchHandler = h
wss := newPushServer(cfg, mux, pf)
Convey("When I register a valid push session", func() {
s := newWSPushSession(req, cfg, nil, elemental.EncodingTypeJSON, elemental.EncodingTypeJSON)
wss.registerSession(s)
Convey("Then the session should correctly registered", func() {
So(len(wss.sessions), ShouldEqual, 1)
So(wss.sessions[s.Identifier()], ShouldEqual, s)
})
Convey("Then handler.onPushSessionStart should have been called", func() {
So(h.onPushSessionStartCalled, ShouldEqual, 1)
})
Convey("When I unregister it", func() {
wss.unregisterSession(s)
Convey("Then the session should correctly unregistered", func() {
So(len(wss.sessions), ShouldEqual, 0)
})
Convey("Then handler.onPushSessionStop should have been called", func() {
So(h.onPushSessionStopCalled, ShouldEqual, 1)
})
})
})
Convey("When I register a valid session with no id", func() {
s := &wsPushSession{}
Convey("Then it should panic", func() {
So(func() { wss.registerSession(s) }, ShouldPanicWith, "cannot register websocket session. empty identifier")
})
})
Convey("When I unregister a valid session with no id", func() {
s := &wsPushSession{}
Convey("Then it should panic", func() {
So(func() { wss.unregisterSession(s) }, ShouldPanicWith, "cannot unregister websocket session. empty identifier")
})
})
})
}
func TestWebsocketServer_authSession(t *testing.T) {
Convey("Given I have a websocket server", t, func() {
pf := func(identity elemental.Identity) (Processor, error) {
return struct{}{}, nil
}
req, _ := http.NewRequest("GET", "bla", nil)
mux := bone.New()
Convey("When I call authSession on when there is no authenticator configured", func() {
cfg := config{}
wss := newPushServer(cfg, mux, pf)
s := newWSPushSession(req, cfg, nil, elemental.EncodingTypeJSON, elemental.EncodingTypeJSON)
err := wss.authSession(s)
Convey("Then err should be nil", func() {
So(err, ShouldBeNil)
})
})
Convey("When I call authSession with a configured authenticator that is ok", func() {
a := &mockSessionAuthenticator{}
a.action = AuthActionOK
cfg := config{}
cfg.security.sessionAuthenticators = []SessionAuthenticator{a}
wss := newPushServer(cfg, mux, pf)
s := newWSPushSession(req, cfg, nil, elemental.EncodingTypeJSON, elemental.EncodingTypeJSON)
err := wss.authSession(s)
Convey("Then err should be nil", func() {
So(err, ShouldBeNil)
})
})
Convey("When I call authSession with a configured authenticator that is not ok", func() {
a := &mockSessionAuthenticator{}
a.action = AuthActionKO
cfg := config{}
cfg.security.sessionAuthenticators = []SessionAuthenticator{a}
wss := newPushServer(cfg, mux, pf)
s := newWSPushSession(req, cfg, nil, elemental.EncodingTypeJSON, elemental.EncodingTypeJSON)
err := wss.authSession(s)
Convey("Then err should not be nil", func() {
So(err.Error(), ShouldEqual, "error 401 (bahamut): Unauthorized: You are not authorized to start a session")
})
})
Convey("When I call authSession with a configured authenticator that returns an error", func() {
a := &mockSessionAuthenticator{}
a.action = AuthActionOK // we wan't to check that error takes precedence
a.err = errors.New("nope")
cfg := config{}
cfg.security.sessionAuthenticators = []SessionAuthenticator{a}
wss := newPushServer(cfg, mux, pf)
s := newWSPushSession(req, cfg, nil, elemental.EncodingTypeJSON, elemental.EncodingTypeJSON)
err := wss.authSession(s)
Convey("Then err should not be nil", func() {
So(err.Error(), ShouldEqual, "error 401 (bahamut): Unauthorized: nope")
})
})
})
}
func TestWebsocketServer_initPushSession(t *testing.T) {
Convey("Given I have a websocket server", t, func() {
pf := func(identity elemental.Identity) (Processor, error) {
return struct{}{}, nil
}
req, _ := http.NewRequest("GET", "bla", nil)
mux := bone.New()
Convey("When I call initSession on when there is no session handler configured", func() {
cfg := config{}
wss := newPushServer(cfg, mux, pf)
s := newWSPushSession(req, cfg, nil, elemental.EncodingTypeJSON, elemental.EncodingTypeJSON)
err := wss.initPushSession(s)
Convey("Then err should be nil", func() {
So(err, ShouldBeNil)
})
})
Convey("When I call initSession on when there is a session handler that is ok", func() {
h := &mockSessionHandler{}
h.onPushSessionInitOK = true
cfg := config{}
cfg.pushServer.dispatchHandler = h
wss := newPushServer(cfg, mux, pf)
s := newWSPushSession(req, cfg, nil, elemental.EncodingTypeJSON, elemental.EncodingTypeJSON)
err := wss.initPushSession(s)
Convey("Then err should be nil", func() {
So(err, ShouldBeNil)
})
})
Convey("When I call initSession on when there is a session handler that is not ok", func() {
h := &mockSessionHandler{}
h.onPushSessionInitOK = false
cfg := config{}
cfg.pushServer.dispatchHandler = h
wss := newPushServer(cfg, mux, pf)
s := newWSPushSession(req, cfg, nil, elemental.EncodingTypeJSON, elemental.EncodingTypeJSON)
err := wss.initPushSession(s)
Convey("Then err should not be nil", func() {
So(err.Error(), ShouldEqual, "error 403 (bahamut): Forbidden: You are not authorized to initiate a push session")
})
})
Convey("When I call initSession on when there is a session handler that returns an error", func() {
h := &mockSessionHandler{}
h.onPushSessionInitOK = true // we wan't to check that error takes precedence
h.onPushSessionInitErr = errors.New("nope")
cfg := config{}
cfg.pushServer.dispatchHandler = h
wss := newPushServer(cfg, mux, pf)
s := newWSPushSession(req, cfg, nil, elemental.EncodingTypeJSON, elemental.EncodingTypeJSON)
err := wss.initPushSession(s)
Convey("Then err should not be nil", func() {
So(err.Error(), ShouldEqual, "error 403 (bahamut): Forbidden: nope")
})
})
})
}
func TestWebsocketServer_pushEvents(t *testing.T) {
Convey("Given I have a websocket server", t, func() {
pf := func(identity elemental.Identity) (Processor, error) {
return struct{}{}, nil
}
mux := bone.New()
Convey("When I call pushEvents when no service is configured", func() {
cfg := config{}
wss := newPushServer(cfg, mux, pf)
wss.pushEvents(nil)
Convey("Then nothing special should happen", func() {})
})
Convey("When I call pushEvents with a service is configured but no sessions handler", func() {
srv := &mockPubSubServer{}
cfg := config{}
cfg.pushServer.service = srv
cfg.pushServer.enabled = true
cfg.pushServer.publishEnabled = true
cfg.pushServer.dispatchEnabled = true
wss := newPushServer(cfg, mux, pf)
evtin := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
wss.pushEvents(evtin)
Convey("Then I should find one publication", func() {
evtout := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
evtout.Timestamp = evtin.Timestamp
r, _ := elemental.Encode(elemental.EncodingTypeMSGPACK, evtout)
So(len(srv.publications), ShouldEqual, 1)
So(string(srv.publications[0].Data), ShouldResemble, string(r))
})
})
Convey("When I call pushEvents with a service is configured and sessions handler that is ok to push", func() {
srv := &mockPubSubServer{}
h := &mockSessionHandler{}
h.shouldPublishOK = true
cfg := config{}
cfg.pushServer.service = srv
cfg.pushServer.enabled = true
cfg.pushServer.publishEnabled = true
cfg.pushServer.dispatchEnabled = true
cfg.pushServer.publishHandler = h
wss := newPushServer(cfg, mux, pf)
evtin := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
wss.pushEvents(evtin)
Convey("Then I should find one publication", func() {
evtout := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
evtout.Timestamp = evtin.Timestamp
r, _ := elemental.Encode(elemental.EncodingTypeMSGPACK, evtout)
So(len(srv.publications), ShouldEqual, 1)
So(string(srv.publications[0].Data), ShouldResemble, string(r))
})
})
Convey("When I call pushEvents with a service is configured and sessions handler that is not ok to push", func() {
srv := &mockPubSubServer{}
h := &mockSessionHandler{}
h.shouldPublishOK = false
cfg := config{}
cfg.pushServer.service = srv
cfg.pushServer.enabled = true
cfg.pushServer.publishEnabled = true
cfg.pushServer.dispatchEnabled = true
cfg.pushServer.publishHandler = h
wss := newPushServer(cfg, mux, pf)
wss.pushEvents(elemental.NewEvent(elemental.EventCreate, testmodel.NewList()))
Convey("Then I should find one publication", func() {
So(len(srv.publications), ShouldEqual, 0)
})
})
Convey("When I call pushEvents with a service is configured and sessions handler that returns an error", func() {
srv := &mockPubSubServer{}
h := &mockSessionHandler{}
h.shouldPublishOK = true // we want to be sure error takes precedence
h.shouldPublishErr = errors.New("nop")
cfg := config{}
cfg.pushServer.service = srv
cfg.pushServer.enabled = true
cfg.pushServer.publishEnabled = true
cfg.pushServer.dispatchEnabled = true
cfg.pushServer.publishHandler = h
wss := newPushServer(cfg, mux, pf)
wss.pushEvents(elemental.NewEvent(elemental.EventCreate, testmodel.NewList()))
Convey("Then I should find one publication", func() {
So(len(srv.publications), ShouldEqual, 0)
})
})
Convey("When I call pushEvents on a server w/ NATS subject hierarchies enabled", func() {
srv := &mockPubSubServer{}
h := &mockSessionHandler{}
h.shouldPublishOK = true
cfg := config{}
cfg.pushServer.service = srv
cfg.pushServer.enabled = true
cfg.pushServer.publishEnabled = true
cfg.pushServer.dispatchEnabled = true
cfg.pushServer.subjectHierarchiesEnabled = true
cfg.pushServer.topic = "events"
cfg.pushServer.publishHandler = h
wss := newPushServer(cfg, mux, pf)
testEvent := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
wss.pushEvents(testEvent)
Convey("Then I should find one publication sent to the correct topic", func() {
eventOut := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
eventOut.Timestamp = testEvent.Timestamp
r, err := elemental.Encode(elemental.EncodingTypeMSGPACK, eventOut)
So(err, ShouldBeNil)
So(len(srv.publications), ShouldEqual, 1)
pub := srv.publications[0]
So(string(pub.Data), ShouldResemble, string(r))
So(pub.Topic, ShouldEqual, fmt.Sprintf("%s.%s.%s",
cfg.pushServer.topic,
testmodel.ListIdentity.Name,
elemental.EventCreate))
})
})
})
}
func TestWebsocketServer_start(t *testing.T) {
pf := func(identity elemental.Identity) (Processor, error) {
return struct{}{}, nil
}
makePubsub := func(ctx context.Context, idprefix string) (*pushServer, *mockSessionHandler, *wsPushSession, *wsPushSession) {
pubsub := NewLocalPubSubClient()
if err := pubsub.Connect(context.Background()); err != nil {
panic(err)
}
pushHandler := &mockSessionHandler{}
mux := bone.New()
cfg := config{}
cfg.pushServer.service = pubsub
cfg.pushServer.enabled = true
cfg.pushServer.publishEnabled = true
cfg.pushServer.dispatchEnabled = true
cfg.pushServer.subjectHierarchiesEnabled = true
cfg.pushServer.dispatchHandler = pushHandler
wss := newPushServer(cfg, mux, pf)
go wss.start(ctx)
s1 := newWSPushSession(
(&http.Request{URL: &url.URL{}}).WithContext(ctx),
config{},
wss.unregisterSession,
elemental.EncodingTypeMSGPACK,
elemental.EncodingTypeMSGPACK,
)
conn1 := wsc.NewMockWebsocket(ctx)
s1.setConn(conn1)
s1.id = idprefix + "s1"
go s1.listen()
s2 := newWSPushSession(
(&http.Request{URL: &url.URL{}}).WithContext(ctx),
config{},
wss.unregisterSession,
elemental.EncodingTypeMSGPACK,
elemental.EncodingTypeMSGPACK,
)
conn2 := wsc.NewMockWebsocket(ctx)
s2.setConn(conn2)
s2.id = "s2"
go s2.listen()
wss.registerSession(s1)
wss.registerSession(s2)
return wss, pushHandler, s1, s2
}
Convey("Given a session is in an error state, it should not receive any events", t, func() {
// verify that the session that is NOT in an error state DOES get the event and the one
// that IS in the error state, DOES NOT get it.
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
pushServer, pushHandler, s1, s2 := makePubsub(ctx, "")
// let's put session 1 in an error state
s1.setErrorState(true)
conn1 := s1.conn.(wsc.MockWebsocket)
conn2 := s2.conn.(wsc.MockWebsocket)
pushHandler.shouldDispatchOK = true
evt := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
evt.Timestamp = time.Now().Add(time.Second)
pub := NewPublication("")
if err := pub.Encode(evt); err != nil {
panic(err)
}
pushServer.publications <- pub
var msg1 []byte
var msg2 []byte
var l sync.Mutex
finished := make(chan struct{})
go func() {
defer close(finished)
for {
select {
case data := <-conn1.LastWrite():
l.Lock()
msg1 = data
l.Unlock()
case data := <-conn2.LastWrite():
l.Lock()
msg2 = data
l.Unlock()
case <-time.After(1 * time.Second):
return
}
}
}()
<-finished
// note: session one was in an error state so it should NOT have received the message hence the nil assertion
So(msg1, ShouldBeNil)
So(msg2, ShouldNotBeNil)
})
Convey("Given I push an event that is filtered out by one session", t, func() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
pushServer, pushHandler, s1, s2 := makePubsub(ctx, "")
conn1 := s1.conn.(wsc.MockWebsocket)
conn2 := s2.conn.(wsc.MockWebsocket)
filter := elemental.NewPushConfig()
filter.FilterIdentity("something-else")
s1.setCurrentPushConfig(filter)
filter = elemental.NewPushConfig()
filter.FilterIdentity("list")
s2.setCurrentPushConfig(filter)
pushHandler.shouldDispatchOK = true
evt := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
evt.Timestamp = time.Now().Add(time.Second)
pub := NewPublication("")
if err := pub.Encode(evt); err != nil {
panic(err)
}
pushServer.publications <- pub
var msg1 []byte
var msg2 []byte
var l sync.Mutex
finished := make(chan struct{})
go func() {
defer close(finished)
for {
select {
case data := <-conn1.LastWrite():
l.Lock()
msg1 = data
l.Unlock()
case data := <-conn2.LastWrite():
l.Lock()
msg2 = data
l.Unlock()
case <-time.After(1 * time.Second):
return
}
}
}()
<-finished
So(msg1, ShouldBeNil)
So(msg2, ShouldNotBeNil)
})
Convey("Given I push an event that is filtered out but related by one session", t, func() {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
pushServer, pushHandler, s1, s2 := makePubsub(ctx, "")
conn1 := s1.conn.(wsc.MockWebsocket)
conn2 := s2.conn.(wsc.MockWebsocket)
pushHandler.relatedIdentities = []string{"something-else"}
filter := elemental.NewPushConfig()
filter.FilterIdentity("something-else")
s1.setCurrentPushConfig(filter)
pushHandler.shouldDispatchOK = true
evt := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
evt.Timestamp = time.Now().Add(time.Second)
pub := NewPublication("")
if err := pub.Encode(evt); err != nil {
panic(err)
}
pushServer.publications <- pub
var msg1 []byte
var msg2 []byte
var l sync.Mutex
finished := make(chan struct{})
go func() {
defer close(finished)
for {
select {
case data := <-conn1.LastWrite():
l.Lock()
msg1 = data
l.Unlock()
case data := <-conn2.LastWrite():
l.Lock()
msg2 = data
l.Unlock()
case <-time.After(1 * time.Second):
return
}
}
}()
<-finished
So(msg1, ShouldNotBeNil)
So(msg2, ShouldNotBeNil)
})
Convey("Given I push an event and the handler is ok then both sessions should receive the event", t, func() {
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()
pushServer, pushHandler, s1, s2 := makePubsub(ctx, "toto")
conn1 := s1.conn.(wsc.MockWebsocket)
conn2 := s2.conn.(wsc.MockWebsocket)
pushHandler.shouldDispatchOK = true
evt := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
pub := NewPublication("")
if err := pub.Encode(evt); err != nil {
panic(err)
}
pushServer.publications <- pub
var msg1 []byte
var msg2 []byte
var l sync.Mutex
finished := make(chan struct{})
go func() {
for {
if len(msg1) > 0 && len(msg2) > 0 {
close(finished)
return
}
select {
case data := <-conn1.LastWrite():
l.Lock()
msg1 = data
l.Unlock()
case data := <-conn2.LastWrite():
l.Lock()
msg2 = data
l.Unlock()
case <-ctx.Done():
panic("test: no response in time")
}
}
}()
<-finished
d1, _ := elemental.Encode(elemental.EncodingTypeMSGPACK, evt)
l.Lock()
So(msg1, ShouldResemble, d1)
So(msg2, ShouldResemble, d1)
l.Unlock()
})
Convey("Given I push an event and the handler is not ok then no session should receive the event", t, func() {
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()
pushServer, pushHandler, s1, s2 := makePubsub(ctx, "")
conn1 := s1.conn.(wsc.MockWebsocket)
conn2 := s2.conn.(wsc.MockWebsocket)
pushHandler.shouldDispatchOK = false
evt := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
pub := NewPublication("")
if err := pub.Encode(evt); err != nil {
panic(err)
}
pushServer.publications <- pub
var msg1 []byte
var msg2 []byte
var l sync.Mutex
finished := make(chan struct{})
go func() {
defer close(finished)
for {
select {
case data := <-conn1.LastWrite():
l.Lock()
msg1 = data
l.Unlock()
case data := <-conn2.LastWrite():
l.Lock()
msg2 = data
l.Unlock()
case <-time.After(1 * time.Second):
return
}
}
}()
<-finished
l.Lock()
So(msg1, ShouldBeNil)
So(msg2, ShouldBeNil)
l.Unlock()
})
Convey("Given I push an event that is that older than session connection time", t, func() {
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()
pushServer, pushHandler, s1, s2 := makePubsub(ctx, "")
conn1 := s1.conn.(wsc.MockWebsocket)
conn2 := s2.conn.(wsc.MockWebsocket)
pushHandler.shouldDispatchOK = true
evt := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
evt.Timestamp = time.Now().Add(-time.Hour)
pub := NewPublication("")
if err := pub.Encode(evt); err != nil {
panic(err)
}
pushServer.publications <- pub
var msg1 []byte
var msg2 []byte
var l sync.Mutex
finished := make(chan struct{})
go func() {
defer close(finished)
for {
select {
case data := <-conn1.LastWrite():
l.Lock()
msg1 = data
l.Unlock()
case data := <-conn2.LastWrite():
l.Lock()
msg2 = data
l.Unlock()
case <-time.After(1 * time.Second):
return
}
}
}()
<-finished
l.Lock()
So(msg1, ShouldBeNil)
So(msg2, ShouldBeNil)
l.Unlock()
})
Convey("Given I push an event and the handler returns an error then then both sessions should receive no event", t, func() {
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()
pushServer, pushHandler, s1, s2 := makePubsub(ctx, "")
conn1 := s1.conn.(wsc.MockWebsocket)
conn2 := s2.conn.(wsc.MockWebsocket)
pushHandler.shouldDispatchOK = true
pushHandler.shouldDispatchErr = errors.New("nope")
evt := elemental.NewEvent(elemental.EventCreate, testmodel.NewList())
pub := NewPublication("")
if err := pub.Encode(evt); err != nil {
panic(err)
}
pushServer.publications <- pub
var msg1 []byte
var msg2 []byte
var l sync.Mutex
finished := make(chan struct{})
go func() {
defer close(finished)
for {
select {
case data := <-conn1.LastWrite():
l.Lock()
msg1 = data
l.Unlock()
case data := <-conn2.LastWrite():
l.Lock()
msg2 = data
l.Unlock()
case <-time.After(1 * time.Second):
return
}
}
}()
<-finished
l.Lock()
So(msg1, ShouldBeNil)
So(msg2, ShouldBeNil)
l.Unlock()
})
Convey("Given I dispatcher returns an error then both sessions should receive no event", t, func() {
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
defer cancel()
pushServer, pushHandler, s1, s2 := makePubsub(ctx, "")
conn1 := s1.conn.(wsc.MockWebsocket)
conn2 := s2.conn.(wsc.MockWebsocket)