#363: Fixed OpenCover file handling (not unique tracked methods)

Author: danielpalme

src/Readme.txt

@@ -65,6 +65,7 @@ CHANGELOG
 
 4.6.5.0
 
+    * Fix: #363: Fixed OpenCover file handling (not unique tracked methods)
     * Fix: #371: Fixed order of metrics
 
 4.6.4.0

src/ReportGenerator.Core/Parser/OpenCoverParser.cs

@@ -73,8 +73,26 @@ public ParserResult Parse(XContainer report)
                 .Where(m => m.Attribute("skippedDueTo") == null)
                 .ToArray();
             var files = report.Descendants("File").ToArray();
-            var trackedMethods = report.Descendants("TrackedMethod")
-                .ToDictionary(t => t.Attribute("uid").Value, t => t.Attribute("name").Value);
+
+            var trackedMethods = new Dictionary<string, string>();
+
+            foreach (var trackedMethodElement in report.Descendants("TrackedMethod"))
+            {
+                if (trackedMethods.ContainsKey(trackedMethodElement.Attribute("uid").Value))
+                {
+                    Logger.WarnFormat(
+                        Resources.ErrorNotUniqueTrackedMethodUid,
+                        trackedMethodElement.Attribute("name").Value);
+
+                    trackedMethods.Clear();
+
+                    break;
+                }
+                else
+                {
+                    trackedMethods.Add(trackedMethodElement.Attribute("uid").Value, trackedMethodElement.Attribute("name").Value);
+                }
+            }
 
             var assemblyNames = modules
                 .Select(m => m.Element("ModuleName").Value)

src/ReportGenerator.Core/Properties/Resources.Designer.cs

@@ -183,6 +183,9 @@
   <data name="ErrorInvalidDotCoverReport" xml:space="preserve">
     <value>The dotCover report does not contain line coverage data. Use the dotCover command line parameter '/ReportType=DetailedXML' to capture line coverage.</value>
   </data>
+  <data name="ErrorNotUniqueTrackedMethodUid" xml:space="preserve">
+    <value>The 'uid' of tracked method '{0}' is not unique. Ignoring tracked methods.</value>
+  </data>
   <data name="ErrorPartCover" xml:space="preserve">
     <value>PartCover is no longer supported. If you want to generate coverage reports based on PartCover, please use version 3.x of ReportGenerator.</value>
   </data>