Publish ITWorx Pulse source

internal/dashboard/repository_scale_integration_test.go

@@ -0,0 +1,60 @@
+package dashboard
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"sort"
+	"testing"
+	"time"
+
+	"github.com/itworx/pulse/internal/database"
+)
+
+func TestDashboardListTargetScalePostgreSQL(t *testing.T) {
+	dsn := os.Getenv("PULSE_TEST_DATABASE_URL")
+	if dsn == "" {
+		t.Skip("PULSE_TEST_DATABASE_URL is not set")
+	}
+	ctx, cancel := context.WithTimeout(context.Background(), 90*time.Second)
+	defer cancel()
+	pool, err := database.NewPool(ctx, database.Config{URL: dsn, MaxConns: 10, MinConns: 1})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer pool.Close()
+	if err := database.Migrate(ctx, pool); err != nil {
+		t.Fatal(err)
+	}
+	actor := "00000000-0000-0000-0000-0000000003a1"
+	if _, err := pool.Exec(ctx, "INSERT INTO users (id, external_subject, display_name) VALUES ($1, $2, $3) ON CONFLICT (id) DO NOTHING", actor, actor, "M3 scale actor"); err != nil {
+		t.Fatal(err)
+	}
+	defer func() { _, _ = pool.Exec(context.Background(), "DELETE FROM dashboards WHERE slug LIKE 'm3-scale-%'") }()
+	repo := Repository{Pool: pool}
+	for i := 0; i < 150; i++ {
+		id := fmt.Sprintf("00000000-0000-0000-0000-%012x", 0x5000+i)
+		doc := Document{"schemaVersion": 2, "id": id, "slug": fmt.Sprintf("m3-scale-%03d", i), "name": fmt.Sprintf("M3 Scale %03d", i), "scope": "personal", "variables": []any{}, "widgets": []any{}, "settings": map[string]any{"refreshSeconds": 30}}
+		if _, _, err := repo.Create(ctx, actor, doc, "scale fixture"); err != nil {
+			t.Fatal(err)
+		}
+	}
+	samples := make([]time.Duration, 20)
+	for i := range samples {
+		start := time.Now()
+		items, err := repo.List(ctx, actor, 100)
+		samples[i] = time.Since(start)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if len(items) < 100 {
+			t.Fatalf("list returned %d items", len(items))
+		}
+	}
+	sort.Slice(samples, func(i, j int) bool { return samples[i] < samples[j] })
+	p95 := samples[len(samples)*95/100-1]
+	t.Logf("target-scale dashboards=150 list_limit=100 p95=%s max=%s", p95, samples[len(samples)-1])
+	if p95 > 250*time.Millisecond {
+		t.Fatalf("dashboard list p95=%s exceeds 250ms budget", p95)
+	}
+}