Cybersecurity-Projects/PROJECTS/advanced/monitor-the-situation-dashb.../backend/internal/redisring/ring_test.go

88 lines
2.4 KiB
Go

// ©AngelaMos | 2026
// ring_test.go
package redisring_test
import (
"context"
"fmt"
"testing"
"time"
goredis "github.com/redis/go-redis/v9"
"github.com/stretchr/testify/require"
tcredis "github.com/testcontainers/testcontainers-go/modules/redis"
"github.com/carterperez-dev/monitor-the-situation/backend/internal/redisring"
)
func setupRedis(t *testing.T) *goredis.Client {
t.Helper()
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
defer cancel()
rc, err := tcredis.Run(ctx, "redis:7-alpine")
require.NoError(t, err)
t.Cleanup(func() { _ = rc.Terminate(context.Background()) })
uri, err := rc.ConnectionString(ctx)
require.NoError(t, err)
opt, err := goredis.ParseURL(uri)
require.NoError(t, err)
c := goredis.NewClient(opt)
t.Cleanup(func() { _ = c.Close() })
return c
}
func TestRing_PushAndRecentRoundtrips(t *testing.T) {
c := setupRedis(t)
r := redisring.New(c, redisring.Config{Retention: 24 * time.Hour})
ctx := context.Background()
now := time.Now().UTC()
for i := 0; i < 5; i++ {
ts := now.Add(-time.Duration(i) * time.Minute)
require.NoError(t, r.Push(ctx, "test:key", ts.UnixMilli(), []byte(fmt.Sprintf(`{"i":%d}`, i))))
}
got, err := r.Recent(ctx, "test:key", 3)
require.NoError(t, err)
require.Len(t, got, 3)
}
func TestRing_RetentionPrunesOldEntries(t *testing.T) {
c := setupRedis(t)
r := redisring.New(c, redisring.Config{Retention: 1 * time.Hour})
ctx := context.Background()
now := time.Now().UTC()
for i := 0; i < 5; i++ {
old := now.Add(-2 * time.Hour).Add(-time.Duration(i) * time.Minute)
require.NoError(t, r.Push(ctx, "test:key", old.UnixMilli(), []byte(fmt.Sprintf(`old-%d`, i))))
}
require.NoError(t, r.Push(ctx, "test:key", now.UnixMilli(), []byte("now")))
got, err := r.Recent(ctx, "test:key", 100)
require.NoError(t, err)
require.Len(t, got, 1)
require.Equal(t, "now", string(got[0]))
}
func TestRing_RangeReturnsItemsWithinScoreWindow(t *testing.T) {
c := setupRedis(t)
r := redisring.New(c, redisring.Config{Retention: 24 * time.Hour})
ctx := context.Background()
now := time.Now().UTC()
for i := 0; i < 10; i++ {
ts := now.Add(-time.Duration(i) * time.Minute)
require.NoError(t, r.Push(ctx, "test:key", ts.UnixMilli(), []byte(fmt.Sprintf("i=%d", i))))
}
from := now.Add(-3 * time.Minute).UnixMilli()
to := now.UnixMilli()
got, err := r.Range(ctx, "test:key", from, to)
require.NoError(t, err)
require.Len(t, got, 4, "expected items in [now-3m, now] inclusive")
}