Refactor CsvExporterTests.cs to include sub-totals and total line count

CodeLineCounter.Tests/CsvExporterTests.cs

@@ -69,6 +69,31 @@ public void ExportToCsv_NullData_ThrowsNullReferenceException()
             Assert.Throws<NullReferenceException>(() => CsvExporter.ExportToCsv(filePath, namespaceMetrics, projectTotals, totalLines, duplicationCodes, additionalInfo));
         }
 
+        [Fact]
+        public void ExportCodeDuplicationsToCsv_ShouldCallSerializeWithCorrectParameters()
+        {
+            // Arrange
+            var filePath = "test4.csv";
+            var duplications = new List<DuplicationCode>
+            {
+                new DuplicationCode { CodeHash = "hash1", FilePath = "file1.cs", MethodName = "method1", StartLine = 10, NbLines = 20 },
+                new DuplicationCode { CodeHash = "hash2", FilePath = "file2.cs", MethodName = "method2", StartLine = 8, NbLines = 10 }
+            };
+
+
+            // Act
+            CsvExporter.ExportCodeDuplicationsToCsv(filePath, duplications);
+
+            // Assert
+            Assert.True(File.Exists(filePath));
+            var lines = File.ReadAllLines(filePath);
+            Assert.Equal(3, lines.Length); 
+
+            // Cleanup
+            File.Delete(filePath);
+
+        }
+
         private List<NamespaceMetrics> GetSampleNamespaceMetrics()
         {
             return new List<NamespaceMetrics>

CodeLineCounter/Program.cs

@@ -68,7 +68,7 @@ private static void AnalyzeAndExportSolution(string solutionPath, bool verbose)
 
             Parallel.Invoke(
                 () => CsvExporter.ExportToCsv(csvFilePath, metrics.ToList(), projectTotals, totalLines, duplicationMap, solutionPath),
-                () => CsvExporter.ExportCodeDuplicationsToCsv(duplicationCsvFilePath, duplicationMap, solutionPath)
+                () => CsvExporter.ExportCodeDuplicationsToCsv(duplicationCsvFilePath, duplicationMap)
             );
 
             Console.WriteLine($"The data has been exported to {csvFilePath}");

CodeLineCounter/Utils/CsvExporter.cs

@@ -50,7 +50,7 @@ public static void ExportToCsv(string filePath, List<NamespaceMetrics> metrics,
         }
 
 
-        public static void ExportCodeDuplicationsToCsv(string filePath, List<DuplicationCode> duplications, string? solutionPath)
+        public static void ExportCodeDuplicationsToCsv(string filePath, List<DuplicationCode> duplications)
         {
             CsvHandler.Serialize(duplications, filePath);
         }