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