Implement notifications service with shared messaging and email drivers (#36)

backend/shared/messaging/internal/natsb/broker_test.go

@@ -0,0 +1,15 @@
+package natsb
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestLogsRedactNATSCredentials(t *testing.T) {
+	for _, url := range []string{"nats://secret-user:secret-password@localhost:4222", "nats://secret-token@localhost:4222", "nats://localhost:4222?token=secret-token", "invalid secret-password"} {
+		safe := buildSafePublishableNATSURL(url)
+		if strings.Contains(safe, "secret") {
+			t.Fatalf("credential leaked: %q", safe)
+		}
+	}
+}