Adding transport/redis_pubsub publisher

transport/redis_pubsub/redis.go

@@ -0,0 +1,28 @@
+package redis_pubsub
+
+import (
+	"context"
+
+	redis "github.com/go-redis/redis/v8"
+)
+
+type RedisPubsub struct {
+	pipeline redis.Pipeliner
+	ctx      context.Context
+}
+
+func New(client *redis.Client) *RedisPubsub {
+	return &RedisPubsub{
+		pipeline: client.Pipeline(),
+		ctx:      client.Context(),
+	}
+}
+
+func (r *RedisPubsub) Publish(channel string, payload []byte) error {
+	return r.pipeline.Publish(r.ctx, channel, payload).Err()
+}
+
+func (r *RedisPubsub) Flush() error {
+	_, err := r.pipeline.Exec(r.ctx)
+	return err
+}

transport/redis_pubsub/redis_test.go

@@ -0,0 +1,24 @@
+package redis_pubsub
+
+import (
+	"testing"
+
+	"github.com/go-redis/redismock/v8"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestRedisPubsub(t *testing.T) {
+	client, mock := redismock.NewClientMock()
+
+	pubsub := New(client)
+
+	mock.MatchExpectationsInOrder(true)
+	mock.ExpectPublish("test", []byte("some string")).SetVal(0)
+	mock.ExpectPublish("test2", []byte("some other string")).SetVal(0)
+
+	assert.NoError(t, pubsub.Publish("test", []byte("some string")))
+	assert.NoError(t, pubsub.Publish("test2", []byte("some other string")))
+	assert.NoError(t, pubsub.Flush())
+
+	assert.NoError(t, mock.ExpectationsWereMet())
+}