SLVS-1592 Update TaintStore with taints from SLCore (#5821)

src/Core/ThreadHandlingExtensions.cs

@@ -27,10 +27,10 @@ public static Task RunOnBackgroundThread(this IThreadHandling threadHandling, Ac
         syncMethod();
         return Task.CompletedTask;
     });
-        
-    public static Task RunOnBackgroundThread(this IThreadHandling threadHandling, Func<Task> asyncMethod) => Task.FromResult(threadHandling.RunOnBackgroundThread(async () =>
+
+    public static Task RunOnBackgroundThread(this IThreadHandling threadHandling, Func<Task> asyncMethod) => threadHandling.RunOnBackgroundThread(async () =>
     {
         await asyncMethod();
         return 0;
-    }));
+    });
 }

src/IssueViz.Security.UnitTests/Taint/TaintIssuesConfigurationScopeMonitorTests.cs

@@ -0,0 +1,63 @@
+/*
+ * SonarLint for Visual Studio
+ * Copyright (C) 2016-2024 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+using SonarLint.VisualStudio.IssueVisualization.Security.Taint;
+using SonarLint.VisualStudio.SLCore.State;
+
+namespace SonarLint.VisualStudio.IssueVisualization.Security.UnitTests.Taint;
+
+[TestClass]
+public class TaintIssuesConfigurationScopeMonitorTests
+{
+    private TaintIssuesConfigurationScopeMonitor testSubject;
+    private IActiveConfigScopeTracker activeConfigScopeTracker;
+    private ITaintIssuesSynchronizer taintIssuesSynchronizer;
+
+    [TestInitialize]
+    public void TestInitialize()
+    {
+        activeConfigScopeTracker = Substitute.For<IActiveConfigScopeTracker>();
+        taintIssuesSynchronizer = Substitute.For<ITaintIssuesSynchronizer>();
+        testSubject = new TaintIssuesConfigurationScopeMonitor(activeConfigScopeTracker, taintIssuesSynchronizer);
+    }
+
+    [TestMethod]
+    public void Ctor_SubscribesToConfigurationScopeEvents() =>
+        activeConfigScopeTracker.Received().CurrentConfigurationScopeChanged += Arg.Any<EventHandler>();
+
+    [TestMethod]
+    public void Dispose_UnsubscribesToConfigurationScopeEvents()
+    {
+        testSubject.Dispose();
+
+        activeConfigScopeTracker.Received().CurrentConfigurationScopeChanged -= Arg.Any<EventHandler>();
+    }
+
+    [TestMethod]
+    public void ConfigScopeChangedEvent_CallsTaintSynchronizer()
+    {
+        var configurationScope = new ConfigurationScope("config scope");
+        activeConfigScopeTracker.Current.Returns(configurationScope);
+
+        activeConfigScopeTracker.CurrentConfigurationScopeChanged += Raise.Event<EventHandler>();
+
+        taintIssuesSynchronizer.Received(1).UpdateTaintVulnerabilitiesAsync(configurationScope);
+    }
+}