algorithm/Java
1
0
Fork 0
mirror of https://github.com/TheAlgorithms/Java.git synced 2025-07-27 06:23:08 +08:00
Code Issues Packages Projects Releases Wiki Activity

CSVFile

Browse Source 
This class implements a data structure for handling of CSV-files.
This commit is contained in:
Christian Bender
2017-12-15 22:34:16 +01:00
committed by GitHub
parent dcf7f8f657
commit bd45b3b891
8 changed files with 25879 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

125
Data Structures/CSVFile/src/TestCSVFile.java Normal file
View File

@ -0,0 +1,125 @@
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
import java.io.File;
import java.util.ArrayList;
public class TestCSVFile {
@Test
public void testConstructor1() {
CSVFile testObj = new CSVFile("testData.csv",',');
assertEquals(testObj.getElementDouble(1, 1),65.78331, 0.001);
assertEquals(testObj.getElementString(1, 1),"65.78331");
assertEquals(testObj.getElementString(0, 1),"\"Height(Inches)\"");
assertEquals(testObj.getNumberOfRows(),25029);
}
@Test
public void testConstructor2() {
CSVFile testObj = new CSVFile(',');
testObj.addRow("1, 65.78331, 112.9925");
testObj.addRow("12, 67.62333, 114.143");
testObj.addRow("6, 68.69784, 123.3024");
// testObj.commit("testData2.csv");
// testObj.commit(new File("testData2.csv"));
}
@Test
public void testConstructor3() {
CSVFile testObj = new CSVFile(new File("testData.csv"),',');
assertEquals(testObj.getElementDouble(1, 1),65.78331, 0.001);
assertEquals(testObj.getElementString(1, 1),"65.78331");
assertEquals(testObj.getElementString(0, 1),"\"Height(Inches)\"");
}
@Test
public void testIsPunctuation() {
assertTrue(CSVFile.isPunctuation(':'));
}
@Test
public void testCompile() {
ArrayList<String> columns = new ArrayList<String>();
columns.add("2");
columns.add("71.51521");
columns.add("136.4873");
assertEquals(CSVFile.compile("2, 71.51521, 136.4873", ','),columns);
columns.clear();
// test successful
columns.add("\"Index\"");
columns.add("\"Height(Inches)\"");
columns.add("\"Weight(Pounds)\"");
assertEquals(CSVFile.compile("\"Index\", \"Height(Inches)\", "
+ "\"Weight(Pounds)\"", ','),columns);
}
@Test
public void testAddRowCommit() {
// CSVFile testObj = new CSVFile("testData.csv",',');
// testObj.addRow("1,1,1");
// testObj.addRow("1,2,3");
// testObj.commit();
// test successful
}
@Test
public void testFindRow() {
CSVFile testObj = new CSVFile("testData.csv",',');
ArrayList<String> columns = new ArrayList<String>();
columns.add("2");
columns.add("71.51521");
columns.add("136.4873");
assertEquals(testObj.findRow("71.51521"),columns);
}
@Test
public void testContains() {
CSVFile testObj = new CSVFile("testData.csv",',');
ArrayList<String> columns = new ArrayList<String>();
columns.add("2");
columns.add("71.51521");
columns.add("136.4873");
assertTrue(testObj.contains("71.51521"));
assertFalse(testObj.contains("9889678"));
}
@Test
public void testGetColumn() {
CSVFile testObj = new CSVFile("testData2.csv",',');
CSVFile testObj2 = new CSVFile("testData3.csv",',');
ArrayList<String> columns = new ArrayList<String>();
columns.add("height");
columns.add("65.78331");
columns.add("67.62333");
assertEquals(testObj.getColumn(1),columns);
columns.clear();
columns.add("65.78331");
columns.add("67.62333");
assertEquals(testObj.getColumn("height"),columns);
columns.clear();
assertEquals(testObj2.getColumn("height"),columns);
}
@Test
public void testRemoving() {
CSVFile testObj = new CSVFile("testData4.csv",',');
//testObj.removeRow("68.69784");
// testObj.removeRow(0);
// testObj.updateFile(new File("testData4.csv"));
// test successful
}
}