feat: game lobby service

lobby/internal/app/bootstrap_test.go

@@ -0,0 +1,72 @@
+package app
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"galaxy/lobby/internal/config"
+
+	"github.com/alicebob/miniredis/v2"
+	"github.com/stretchr/testify/require"
+)
+
+func TestPingRedisSucceedsAgainstMiniredis(t *testing.T) {
+	t.Parallel()
+
+	server := miniredis.RunT(t)
+
+	redisCfg := config.RedisConfig{
+		Addr:             server.Addr(),
+		OperationTimeout: time.Second,
+	}
+	client := newRedisClient(redisCfg)
+	t.Cleanup(func() { _ = client.Close() })
+
+	require.NoError(t, pingRedis(context.Background(), redisCfg, client))
+}
+
+func TestPingRedisReturnsErrorWhenClosed(t *testing.T) {
+	t.Parallel()
+
+	server := miniredis.RunT(t)
+
+	redisCfg := config.RedisConfig{
+		Addr:             server.Addr(),
+		OperationTimeout: time.Second,
+	}
+	client := newRedisClient(redisCfg)
+	require.NoError(t, client.Close())
+
+	err := pingRedis(context.Background(), redisCfg, client)
+	require.Error(t, err)
+}
+
+func TestPingRedisNilClient(t *testing.T) {
+	t.Parallel()
+
+	err := pingRedis(context.Background(), config.RedisConfig{OperationTimeout: time.Second}, nil)
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "nil client")
+}
+
+func TestInstrumentRedisClientNilClient(t *testing.T) {
+	t.Parallel()
+
+	err := instrumentRedisClient(nil, nil)
+	require.Error(t, err)
+	require.Contains(t, err.Error(), "nil client")
+}
+
+func TestInstrumentRedisClientNilTelemetryIsNoop(t *testing.T) {
+	t.Parallel()
+
+	server := miniredis.RunT(t)
+	client := newRedisClient(config.RedisConfig{
+		Addr:             server.Addr(),
+		OperationTimeout: time.Second,
+	})
+	t.Cleanup(func() { _ = client.Close() })
+
+	require.NoError(t, instrumentRedisClient(client, nil))
+}