Files
go-mana-prism/embassy_test.go
T

150 lines
3.3 KiB
Go

package prism
import (
"errors"
"git.wisehodl.dev/jay/go-honeybee"
"git.wisehodl.dev/jay/go-roots-ws"
"github.com/stretchr/testify/assert"
"sync/atomic"
"testing"
"time"
)
func TestEmbassy_Dispatch(t *testing.T) {
p := newMockPool(t)
embassy := NewEmbassy(p.ctx, p.plugin)
embassy.Dispatch(p.url)
envoy := embassy.Call(p.url)
assert.NotNil(t, envoy)
_, ok := <-p.added
assert.False(t, ok)
eventSub := envoy.SubscribeEvents()
inboxSub := envoy.SubscribeInbox([]string{"EVENT"})
gotEvent := atomic.Int64{}
gotInbox := atomic.Int64{}
eventDone := make(chan struct{})
inboxDone := make(chan struct{})
go func() {
for range eventSub {
gotEvent.Add(1)
}
close(eventDone)
}()
go func() {
for range inboxSub {
gotInbox.Add(1)
}
close(inboxDone)
}()
p.events <- honeybee.PoolEvent{
URL: p.url, Kind: honeybee.EventConnected, At: time.Now()}
p.events <- honeybee.PoolEvent{
URL: "wss://other", Kind: honeybee.EventConnected, At: time.Now()}
p.inbox <- honeybee.InboxMessage{
URL: p.url,
Data: envelope.EncloseEvent([]byte("{}")),
ReceivedAt: time.Now(),
}
p.inbox <- honeybee.InboxMessage{
URL: "wss://other",
Data: envelope.EncloseEvent([]byte("{}")),
ReceivedAt: time.Now(),
}
Eventually(t, func() bool { return gotEvent.Load() > 0 },
"should have gotten event")
Eventually(t, func() bool { return gotInbox.Load() > 0 },
"should have gotten inbox message")
Eventually(t, func() bool { return envoy.IsConnected() },
"state should have toggled")
Never(t, func() bool { return gotEvent.Load() > 1 },
"should have only gotten one event")
Never(t, func() bool { return gotInbox.Load() > 1 },
"should have only gotten one inbox message")
envoy.Send([]byte("hello"))
Eventually(t, func() bool {
select {
default:
return false
case msg := <-p.sent:
return string(msg) == "hello"
}
}, "should have sent message")
envoy.Dismiss()
_, ok = <-p.removed
assert.False(t, ok)
_, ok = <-eventDone
assert.False(t, ok)
_, ok = <-inboxDone
assert.False(t, ok)
// envoy no longer in embassy
envoy = embassy.Call(p.url)
assert.Nil(t, envoy)
}
func TestEmbassy_DialFailed_Routing(t *testing.T) {
t.Run("routed to correct subscriber with Err set", func(t *testing.T) {
p, envoy := newMockEnvoy(t)
sub := envoy.SubscribeEvents()
dialErr := errors.New("connection refused")
p.dialFail(dialErr)
var got PoolEvent
Eventually(t, func() bool {
select {
case ev := <-sub:
got = ev
return true
default:
return false
}
}, "expected EventDialFailed to be routed to subscriber")
assert.Equal(t, EventDialFailed, got.Kind)
assert.ErrorIs(t, got.Err, dialErr)
assert.Equal(t, p.url, got.URL)
})
t.Run("not routed to unrelated envoy subscriber", func(t *testing.T) {
p := newMockPool(t)
url1 := "wss://peer1"
url2 := "wss://peer2"
added := make(chan struct{}, 2)
p.plugin.Connect = func(url string, opts ...honeybee.ConnectOption) error {
added <- struct{}{}
return nil
}
emb := NewEmbassy(p.ctx, p.plugin)
emb.Dispatch(url1)
emb.Dispatch(url2)
envoy2 := emb.Call(url2)
sub2 := envoy2.SubscribeEvents()
p.dialFail(errors.New("refused"))
Never(t, func() bool {
select {
case <-sub2:
return true
default:
return false
}
}, "EventDialFailed for a different peer must not reach unrelated subscriber")
})
}