From fdd6641a6b9957125b2c60c5f2327ec639f29308 Mon Sep 17 00:00:00 2001
From: Robin Munn <rmunn@pobox.com>
Date: Mon, 26 Aug 2024 08:45:09 +0700
Subject: [PATCH] Only print Mongo container ID if it exists

---
 src/LfMerge.Core.Tests/SRTestEnvironment.cs | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/LfMerge.Core.Tests/SRTestEnvironment.cs b/src/LfMerge.Core.Tests/SRTestEnvironment.cs
index a344a255..682af308 100644
--- a/src/LfMerge.Core.Tests/SRTestEnvironment.cs
+++ b/src/LfMerge.Core.Tests/SRTestEnvironment.cs
@@ -97,9 +97,11 @@ protected override void Dispose(bool disposing)
 				if (CleanUpTestData) {
 					StopMongo();
 				} else {
-					Console.WriteLine($"Leaving Mongo container {MongoContainerId} around to examine data on failed test.");
-					Console.WriteLine($"It is listening on {Settings.MongoDbHostNameAndPort}");
-					Console.WriteLine($"To delete it, run `docker stop {MongoContainerId} ; docker rm {MongoContainerId}`.");
+					if (MongoContainerId is not null) {
+						Console.WriteLine($"Leaving Mongo container {MongoContainerId} around to examine data on failed test.");
+						Console.WriteLine($"It is listening on {Settings.MongoDbHostNameAndPort}");
+						Console.WriteLine($"To delete it, run `docker stop {MongoContainerId} ; docker rm {MongoContainerId}`.");
+					}
 				}
 			}
 			base.Dispose(disposing);