From 6f0060ec813625adaa11ee5b8cfd4b58aeb71a23 Mon Sep 17 00:00:00 2001
From: Kenneth Skovhede <kenneth@hexad.dk>
Date: Wed, 11 Jun 2025 16:34:57 +0200
Subject: [PATCH] Add tests for ControllerMultiLogTarget

---
 .../UnitTest/ControllerMultiLogTargetTests.cs | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 Duplicati/UnitTest/ControllerMultiLogTargetTests.cs

diff --git a/Duplicati/UnitTest/ControllerMultiLogTargetTests.cs b/Duplicati/UnitTest/ControllerMultiLogTargetTests.cs
new file mode 100644
index 000000000..707a4ae72
--- /dev/null
+++ b/Duplicati/UnitTest/ControllerMultiLogTargetTests.cs
@@ -0,0 +1,60 @@
+using System.Collections.Generic;
+using NUnit.Framework;
+using Duplicati.Library.Main;
+using Duplicati.Library.Logging;
+using Duplicati.Library.Utility;
+
+namespace Duplicati.UnitTest
+{
+    [TestFixture]
+    public class ControllerMultiLogTargetTests
+    {
+        private class TestDestination : ILogDestination
+        {
+            public readonly List<LogEntry> Entries = new();
+            public void WriteMessage(LogEntry entry) => Entries.Add(entry);
+        }
+
+        private class DenyAllFilter : IFilter
+        {
+            public bool Empty => false;
+            public bool Matches(string entry, out bool result, out IFilter match)
+            {
+                result = false;
+                match = this;
+                return true;
+            }
+            public string GetFilterHash() => string.Empty;
+        }
+
+        [Test]
+        [Category("ControllerMultiLogTarget")]
+        public void WarningIsConvertedToInformationWhenSuppressed()
+        {
+            var dest = new TestDestination();
+            using var logger = new ControllerMultiLogTarget(dest, LogMessageType.Information, null, new HashSet<string> { "ID1" });
+            var entry = new LogEntry("msg", System.Array.Empty<object>(), LogMessageType.Warning, "tag", "ID1", null);
+            logger.WriteMessage(entry);
+            Assert.AreEqual(1, dest.Entries.Count);
+            Assert.AreEqual(LogMessageType.Information, dest.Entries[0].Level);
+        }
+
+        [Test]
+        [Category("ControllerMultiLogTarget")]
+        public void FiltersAreRespectedAndNullTargetIsIgnored()
+        {
+            var dest1 = new TestDestination();
+            using var logger = new ControllerMultiLogTarget(dest1, LogMessageType.Information, null, null);
+
+            var dest2 = new TestDestination();
+            logger.AddTarget(dest2, LogMessageType.Information, new DenyAllFilter());
+            logger.AddTarget(null, LogMessageType.Error, null); // should be ignored
+
+            var entry = new LogEntry("msg", System.Array.Empty<object>(), LogMessageType.Information, "tag", "id", null);
+            logger.WriteMessage(entry);
+
+            Assert.AreEqual(1, dest1.Entries.Count);
+            Assert.AreEqual(0, dest2.Entries.Count);
+        }
+    }
+}