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package client
import (
"encoding/json"
"sync"
"testing"
"github.com/stretchr/testify/assert"
)
func TestSubscriptionFullQueue(t *testing.T) {
bufSize := 100
sub := newSubscription(1, bufSize)
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
defer sub.stop()
for i := 0; i < bufSize+10; i++ {
b, err := json.Marshal(i)
assert.Nil(t, err)
err = sub.notify(b)
if i > bufSize {
if assert.Error(t, err) {
assert.ErrorIs(t, err, queueIsFullErr)
}
}
}
}()
wg.Wait()
}
func TestSubscriptionRecv(t *testing.T) {
bufSize := 100
sub := newSubscription(1, bufSize)
var wg sync.WaitGroup
wg.Add(1)
go func() {
defer wg.Done()
for i := 0; i < bufSize; i++ {
b, err := json.Marshal(i)
assert.Nil(t, err)
err = sub.notify(b)
assert.Nil(t, err)
}
}()
wg.Add(1)
go func() {
defer wg.Done()
i := 0
for nt := range sub.Recv() {
var v int
err := json.Unmarshal(nt, &v)
assert.Nil(t, err)
assert.Equal(t, v, i)
i += 1
if i == bufSize {
break
}
}
}()
wg.Wait()
}
func TestSubscriptionStop(t *testing.T) {
sub := newSubscription(1, 10)
sub.stop()
_, ok := <-sub.Recv()
assert.False(t, ok)
b, err := json.Marshal(1)
assert.Nil(t, err)
err = sub.notify(b)
if assert.Error(t, err) {
assert.ErrorIs(t, err, subscriptionIsClosedErr)
}
}
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