80 lines
1.4 KiB
Go
80 lines
1.4 KiB
Go
package pubsub
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import (
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"log"
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"sync"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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coretypes "github.com/tendermint/tendermint/rpc/core/types"
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)
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func TestAddTopic(t *testing.T) {
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q := NewEventBus()
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err := q.AddTopic("kek", make(<-chan coretypes.ResultEvent))
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require.NoError(t, err)
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err = q.AddTopic("lol", make(<-chan coretypes.ResultEvent))
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require.NoError(t, err)
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err = q.AddTopic("lol", make(<-chan coretypes.ResultEvent))
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require.Error(t, err)
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require.EqualValues(t, []string{"kek", "lol"}, q.Topics())
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}
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func TestSubscribe(t *testing.T) {
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q := NewEventBus()
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kekSrc := make(chan coretypes.ResultEvent)
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q.AddTopic("kek", kekSrc)
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lolSrc := make(chan coretypes.ResultEvent)
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q.AddTopic("lol", lolSrc)
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kekSubC, err := q.Subscribe("kek")
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require.NoError(t, err)
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lolSubC, err := q.Subscribe("lol")
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require.NoError(t, err)
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lol2SubC, err := q.Subscribe("lol")
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require.NoError(t, err)
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wg := new(sync.WaitGroup)
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wg.Add(4)
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go func() {
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defer wg.Done()
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msg := <-kekSubC
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log.Println("kek:", msg)
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require.EqualValues(t, 1, msg)
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}()
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go func() {
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defer wg.Done()
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msg := <-lolSubC
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log.Println("lol:", msg)
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require.EqualValues(t, 1, msg)
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}()
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go func() {
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defer wg.Done()
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msg := <-lol2SubC
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log.Println("lol2:", msg)
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require.EqualValues(t, 1, msg)
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}()
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go func() {
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defer wg.Done()
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time.Sleep(time.Second)
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close(kekSrc)
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close(lolSrc)
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}()
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wg.Wait()
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time.Sleep(time.Second)
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}
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