feat: backend core - auth, user, role, permission, device, webhook, monitoring, cache, repository, service, middleware, API handlers

internal/cache/redis_cache_integration_test.go

@@ -0,0 +1,98 @@
+package cache_test
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/alicebob/miniredis/v2"
+
+	"github.com/user-management-system/internal/cache"
+)
+
+func TestRedisCache_EnabledRoundTrip(t *testing.T) {
+	redisServer := miniredis.RunT(t)
+
+	l2 := cache.NewRedisCacheWithConfig(cache.RedisCacheConfig{
+		Enabled: true,
+		Addr:    redisServer.Addr(),
+	})
+	t.Cleanup(func() {
+		_ = l2.Close()
+	})
+
+	ctx := context.Background()
+	if err := l2.Set(ctx, "login_attempt:user:7", 3, time.Minute); err != nil {
+		t.Fatalf("set redis value failed: %v", err)
+	}
+
+	value, err := l2.Get(ctx, "login_attempt:user:7")
+	if err != nil {
+		t.Fatalf("get redis value failed: %v", err)
+	}
+
+	count, ok := value.(int64)
+	if !ok || count != 3 {
+		t.Fatalf("expected int64(3), got (%T) %v", value, value)
+	}
+
+	exists, err := l2.Exists(ctx, "login_attempt:user:7")
+	if err != nil {
+		t.Fatalf("exists failed: %v", err)
+	}
+	if !exists {
+		t.Fatal("expected redis key to exist")
+	}
+
+	if err := l2.Delete(ctx, "login_attempt:user:7"); err != nil {
+		t.Fatalf("delete failed: %v", err)
+	}
+	exists, err = l2.Exists(ctx, "login_attempt:user:7")
+	if err != nil {
+		t.Fatalf("exists after delete failed: %v", err)
+	}
+	if exists {
+		t.Fatal("expected redis key to be deleted")
+	}
+}
+
+func TestCacheManager_ReadsThroughRedisL2(t *testing.T) {
+	redisServer := miniredis.RunT(t)
+
+	l1 := cache.NewL1Cache()
+	l2 := cache.NewRedisCacheWithConfig(cache.RedisCacheConfig{
+		Enabled: true,
+		Addr:    redisServer.Addr(),
+	})
+	t.Cleanup(func() {
+		_ = l2.Close()
+	})
+
+	ctx := context.Background()
+	if err := l2.Set(ctx, "email_daily:user@example.com:2026-03-18", 4, time.Minute); err != nil {
+		t.Fatalf("seed redis value failed: %v", err)
+	}
+
+	manager := cache.NewCacheManager(l1, l2)
+	value, ok := manager.Get(ctx, "email_daily:user@example.com:2026-03-18")
+	if !ok {
+		t.Fatal("expected cache manager to read from redis l2")
+	}
+
+	count, ok := value.(int64)
+	if !ok || count != 4 {
+		t.Fatalf("expected int64(4), got (%T) %v", value, value)
+	}
+
+	if err := l2.Delete(ctx, "email_daily:user@example.com:2026-03-18"); err != nil {
+		t.Fatalf("delete redis seed failed: %v", err)
+	}
+
+	value, ok = manager.Get(ctx, "email_daily:user@example.com:2026-03-18")
+	if !ok {
+		t.Fatal("expected cache manager to rehydrate l1 after redis read")
+	}
+	if count, ok := value.(int64); !ok || count != 4 {
+		t.Fatalf("expected l1 to retain int64(4), got (%T) %v", value, value)
+	}
+}