feat: notification service

pkg/notificationintent/publisher_test.go

@@ -0,0 +1,44 @@
+package notificationintent
+
+import (
+	"context"
+	"testing"
+
+	"github.com/alicebob/miniredis/v2"
+	"github.com/redis/go-redis/v9"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPublisherPublishAppendsIntentToDefaultStream(t *testing.T) {
+	t.Parallel()
+
+	redisServer := miniredis.RunT(t)
+	redisClient := redis.NewClient(&redis.Options{Addr: redisServer.Addr()})
+	t.Cleanup(func() {
+		require.NoError(t, redisClient.Close())
+	})
+
+	publisher, err := NewPublisher(PublisherConfig{Client: redisClient})
+	require.NoError(t, err)
+
+	intent, err := NewGameTurnReadyIntent(defaultMetadata(), []string{"user-1"}, GameTurnReadyPayload{
+		GameID:     "game-1",
+		GameName:   "Nebula Clash",
+		TurnNumber: 54,
+	})
+	require.NoError(t, err)
+
+	entryID, err := publisher.Publish(context.Background(), intent)
+	require.NoError(t, err)
+	require.NotEmpty(t, entryID)
+
+	messages, err := redisClient.XRange(context.Background(), DefaultIntentsStream, "-", "+").Result()
+	require.NoError(t, err)
+	require.Len(t, messages, 1)
+	require.Equal(t, entryID, messages[0].ID)
+	require.Equal(t, NotificationTypeGameTurnReady.String(), messages[0].Values[fieldNotificationType])
+	require.Equal(t, ProducerGameMaster.String(), messages[0].Values[fieldProducer])
+	require.Equal(t, AudienceKindUser.String(), messages[0].Values[fieldAudienceKind])
+	require.Equal(t, `["user-1"]`, messages[0].Values[fieldRecipientUserIDs])
+	require.Equal(t, `{"game_id":"game-1","game_name":"Nebula Clash","turn_number":54}`, messages[0].Values[fieldPayloadJSON])
+}