feat(store): goose-миграции схемы + seed default tenant, тест на testcontainers

internal/store/testhelper_test.go

@@ -0,0 +1,39 @@
+package store
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/testcontainers/testcontainers-go"
+	"github.com/testcontainers/testcontainers-go/modules/postgres"
+	"github.com/testcontainers/testcontainers-go/wait"
+)
+
+// startPostgres spins up an ephemeral PostgreSQL, applies migrations,
+// and returns its DSN. Container is terminated on test cleanup.
+func startPostgres(t *testing.T) string {
+	t.Helper()
+	ctx := context.Background()
+	container, err := postgres.Run(ctx, "postgres:16-alpine",
+		postgres.WithDatabase("dns_ar_test"),
+		postgres.WithUsername("test"),
+		postgres.WithPassword("test"),
+		testcontainers.WithWaitStrategy(
+			wait.ForLog("database system is ready to accept connections").
+				WithOccurrence(2).WithStartupTimeout(60*time.Second)),
+	)
+	if err != nil {
+		t.Fatalf("start postgres: %v", err)
+	}
+	t.Cleanup(func() { _ = testcontainers.TerminateContainer(container) })
+
+	dsn, err := container.ConnectionString(ctx, "sslmode=disable")
+	if err != nil {
+		t.Fatalf("dsn: %v", err)
+	}
+	if err := Migrate(ctx, dsn); err != nil {
+		t.Fatalf("migrate: %v", err)
+	}
+	return dsn
+}