feat: use postgres

integration/internal/harness/notificationservice.go

@@ -0,0 +1,55 @@
+package harness
+
+import (
+	"context"
+	"testing"
+)
+
+// NotificationServicePersistence captures the per-test persistence
+// dependencies of the Notification Service binary: a PostgreSQL container
+// hosting the `notification` schema owned by the `notificationservice` role,
+// and the Redis credentials that point the service at the caller-supplied
+// master address.
+type NotificationServicePersistence struct {
+	// Postgres exposes the started container so tests that need direct SQL
+	// access to the notification schema (verifying side effects, seeding
+	// fixtures) can read or write through it.
+	Postgres *PostgresRuntime
+
+	// Env carries the environment entries that must be passed to the
+	// notification-service process. It is safe to merge into the caller's
+	// existing env map, or to use as-is and append further NOTIFICATION_*
+	// knobs in place.
+	Env map[string]string
+}
+
+// StartNotificationServicePersistence brings up one isolated PostgreSQL
+// container, provisions the `notification` schema with the
+// `notificationservice` role, and returns the environment entries that wire
+// the notification-service binary at that container plus the supplied Redis
+// master address.
+//
+// The returned password (`integration`) matches the architectural rule that
+// Redis traffic is password-protected; miniredis accepts arbitrary password
+// values when its own RequireAuth is not engaged, so the same value works
+// against both miniredis and the real `tcredis` runtime.
+//
+// Cleanup of the container is handled by the underlying
+// StartPostgresContainer through `t.Cleanup`; callers do not need to defer
+// anything.
+func StartNotificationServicePersistence(t testing.TB, redisMasterAddr string) NotificationServicePersistence {
+	t.Helper()
+
+	rt := StartPostgresContainer(t)
+	if err := rt.EnsureRoleAndSchema(context.Background(), "notification", "notificationservice", "notificationservice"); err != nil {
+		t.Fatalf("ensure notification schema/role: %v", err)
+	}
+
+	env := WithPostgres(rt, "NOTIFICATION", "notification", "notificationservice")
+	env["NOTIFICATION_REDIS_MASTER_ADDR"] = redisMasterAddr
+	env["NOTIFICATION_REDIS_PASSWORD"] = "integration"
+	return NotificationServicePersistence{
+		Postgres: rt,
+		Env:      env,
+	}
+}