Added comments

Author: AlfredStenwin

src/main/java/listeners/MethodInterceptor.java

@@ -14,8 +14,13 @@
 import utilities.filereaders.CsvReaderUtility;
 
 /* 
- * TestNG listener to get the list of tests to run. 
- */
+ * MethodInterceptor implements the IMethodInterceptor listener from TestNG. The intercept method returns
+ * a list of test that should be executed according to the data read from RUN_SETUP_CSV file. 
+ * If columns 'name', 'execute' or 'description' is altered in RunSetup.csv file, it should also be updated 
+ * in getListOfTestCasesToRun method. If the column name in RunSetup.csv file does not match with the names 
+ * used here, it will lead to none of the test cases being run.
+ * 
+ * */ 
 public class MethodInterceptor implements IMethodInterceptor{
 
 	List<IMethodInstance> testList = new ArrayList<>();

src/main/java/utilities/filereaders/CsvReaderUtility.java

@@ -11,6 +11,12 @@
 import com.fasterxml.jackson.dataformat.csv.CsvMapper;
 import com.fasterxml.jackson.dataformat.csv.CsvSchema;
 
+/*
+ * Simple csv reader using Jackson library to read mainly the RunSetup.csv file. Models are not used 
+ * to prevent frequent updating in the pojo class/models when the structure of the RunSetup file might 
+ * change according to the preferences of the test execution. 
+ * */
+
 public final class CsvReaderUtility  {
 
 	private CsvReaderUtility() {}

src/test/resources/RunSetup.csv

@@ -2,3 +2,5 @@ testid,name,description,execute
 1,navigateToHomepage,Navigate to home page,true
 2,navigateToUserSignupPage,Navigate to user signup page,true
 3,registerNewUser,Register new user,true
+
+#name, description and execute header names should not be altered