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package edu.ncsu.csc.itrust.unit;
import java.util.ArrayList;
import java.util.Scanner;
import edu.ncsu.csc.itrust.CSVParser;
import edu.ncsu.csc.itrust.exception.CSVFormatException;
import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import junit.framework.TestCase;
public class CSVParserTest extends TestCase {
public void testCSVParseHeader(){
Scanner CSVHeader=new Scanner("test1,test2,test3");
CSVParser test=null;
try{
test=new CSVParser(CSVHeader);
}catch(Exception e){
assertTrue(false);
}
ArrayList<String> header=test.getHeader();
assertEquals(3, header.size());
assertEquals("test1", header.get(0));
assertEquals("test2", header.get(1));
assertEquals("test3", header.get(2));
assertFalse(test.getErrors().hasErrors());
}
public void testCSVParseData(){
Scanner CSVHeader=new Scanner("test1,test2,test3\ntesting,testing,123");
CSVParser test=null;
try{
test=new CSVParser(CSVHeader);
}catch(Exception e){
assertTrue(false);
}
ArrayList<ArrayList<String>> data=test.getData();
assertEquals(1, data.size());
assertEquals(3, data.get(0).size());
assertEquals("testing", data.get(0).get(0));
assertEquals("testing", data.get(0).get(1));
assertEquals("123", data.get(0).get(2));
assertFalse(test.getErrors().hasErrors());
}
@SuppressFBWarnings(value="DLS_DEAD_LOCAL_STORE")
public void testEmptyCSV(){
Scanner CSVHeader=new Scanner("");
@SuppressWarnings("unused")
CSVParser test=null;
try{
test=new CSVParser(CSVHeader);
}catch(CSVFormatException e){
//CSVFormatException is good here
return;
}catch(Exception e){
//Other exceptions are bad
assertTrue(false);
}
}
public void testWrongNumberFields(){
Scanner CSVHeader=new Scanner("test1,test2,test3\ntesting,123");
CSVParser test=null;
try{
test=new CSVParser(CSVHeader);
}catch(Exception e){
assertTrue(false);
}
ArrayList<ArrayList<String>> data=test.getData();
assertEquals(0, data.size());
assertTrue(test.getErrors().hasErrors());
assertEquals("[Field number mismatch on line 2]", test.getErrors().toString());
}
public void testCSVCommaInField(){
Scanner CSVHeader=new Scanner("\"test,1\",\"test,2\",\"test,3\"");
CSVParser test=null;
try{
test=new CSVParser(CSVHeader);
}catch(Exception e){
assertTrue(false);
}
ArrayList<String> header=test.getHeader();
assertEquals(3, header.size());
assertEquals("test,1", header.get(0));
assertEquals("test,2", header.get(1));
assertEquals("test,3", header.get(2));
assertFalse(test.getErrors().hasErrors());
}
public void testCSVEndsWhileInQuote(){
Scanner CSVHeader=new Scanner("test1,test2,test3\ntesting,testing,\"123");
CSVParser test=null;
try{
test=new CSVParser(CSVHeader);
}catch(Exception e){
assertTrue(false);
}
ArrayList<ArrayList<String>> data=test.getData();
assertEquals(0, data.size());
assertEquals("[Line ended while inside quotes on line 2]", test.getErrors().toString());
}
}