Java Library #2229
Description
We had followed code from
https://www.coursehero.com/u/file/77382119/hashmaptxt
Code is
package com.fresco;
import java.util.*;
public class Library
{
String bookName;
String author;
Library()
{
}
@Override
public int hashCode() {
int hash = 3;
hash = 83 * hash + Objects.hashCode(this.bookName);
hash = 83 * hash + Objects.hashCode(this.author);
return hash;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final Library other = (Library) obj;
if (!Objects.equals(this.bookName, other.bookName)) {
return false;
}
if (!Objects.equals(this.author, other.author)) {
return false;
}
return true;
}
Library(String bookName,String author)
{
this.bookName=bookName;
this.author=author;
}
public static HashMap<Integer,Library> createLibraryMap(String
booksInLibrary){
String output = booksInLibrary.replace("|",":");
HashMap<Integer, Library> hmap= new HashMap<Integer, Library>();
String parts1[] = output.split(":");
for(String part : parts1){
String lib[] = part.split(",");
int bid=Integer.parseInt(lib[0]);
String bname = lib[1].trim();
String bauthor = lib[2].trim();
Library l=new Library(bname,bauthor);
hmap.put(bid,l);
}
return hmap;
}
public static HashMap<Integer,Integer> createUserMap(String borrowedUsers){
String output = borrowedUsers.replace("|",":");
HashMap<Integer,Integer> hmap1= new HashMap<Integer,Integer>();
String parts2[] = output.split(":");
for(String part : parts2){
ArrayList<String> list = new ArrayList<String>();
String user[] = part.split(",");
int bid=Integer.parseInt(user[0]);
int uid=Integer.parseInt(user[1]);
hmap1.put(bid,uid);
}
return hmap1;
}
public static String getQuery(String booksInLibrary,String
borrowedUsers,String query){
HashMap<Integer,Library> f1 = new HashMap<Integer, Library>();
f1 = createLibraryMap(booksInLibrary);
for (Map.Entry<Integer, Library> entry : f1.entrySet()) {
int key = entry.getKey();
Library values = entry.getValue();
System.out.println(key+" : "+ values.bookName+" "+values.author);
}
System.out.println();
HashMap<Integer,Integer> f2= new HashMap<Integer,Integer>();
f2 = createUserMap(borrowedUsers);
for (Map.Entry<Integer, Integer> entry : f2.entrySet()) {
int key = entry.getKey();
int values = entry.getValue();
System.out.println(key+" : "+ values);
}
System.out.println();
String parts3[] = query.split(",");
String q1 = parts3[0];
String q2 = parts3[1];
System.out.println(q1+" -- "+q2);
if(q1.equals("1")){
int vbid = Integer.parseInt(q2);
int count =0;
for (Map.Entry<Integer, Integer> entry : f2.entrySet())
{
int bid = entry.getKey();
if(vbid == bid)
{
count++;
System.out.println(bid);
System.out.println("No Stock\nIt is owned by "+f2.get(bid)
+"\n");
}
}
if(count == 0){
for (Map.Entry<Integer, Library> entry : f1.entrySet())
{
int bid = entry.getKey();
Library v = entry.getValue();
if(vbid == bid){
System.out.println("It is available\nAuthor is "+v.author);
}
}
}
}
return null;
}
public static void main(String[] args) {
String output = getQuery("125,C programming,Brian W. Kernighan|564,C++ programming,Bjarne Stroustrup|546,Java programming,James Gosling|897,Data Structure,Adam Drozdek|785,System Programming,Johnson M|265,Data Structure,Adam Drozdek|469,Data Structure,Adam Drozdek|968,Advanced Java,James Gosling","125,101|564,102|546,103|897,104|785,101","1,968");
}
}
Getting error as -
Results :
Failed tests: testGetQuery3(com.fresco.HashmapHandsonTest): expected:<1 out(..)
testGetQuery4(com.fresco.HashmapHandsonTest): expected:<1001 Adventures of Sherlock Holmes(..)
testGetQuery2(com.fresco.HashmapHandsonTest): expected:<It is available(..)
testGetQuery5(com.fresco.HashmapHandsonTest): expected:<All’s Well that Ends well(..)
testGetQuery6(com.fresco.HashmapHandsonTest): expected:<1008 JavaScript Programming(..)
testGetQuery1(com.fresco.HashmapHandsonTest): expected:<No Stock(..)
Tests run: 6, Failures: 6, Errors: 0, Skipped: 0
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
Un editable code on which result based are
package com.fresco;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
import java.util.*;
public class HashmapHandsonTest{
Library lib;
public HashmapHandsonTest() {
}
@Before
public void setUp() {
lib=new Library();
}
@Test
public void testGetQuery1() {
if(testCheck() && testCheck1()){
String actual=lib.getQuery("125,C programming,Brian W. Kernighan|564,C++ programming,Bjarne Stroustrup|546,Java programming,James Gosling|897,Data Structure,Adam Drozdek|785,System Programming,Johnson M|265,Data Structure,Adam Drozdek|469,Data Structure,Adam Drozdek|968,Advanced Java,James Gosling","125,101|564,102|546,103|897,104|785,101","1,546");
String exp="No Stock\nIt is owned by 103\n";
assertEquals(exp,actual);
}else{
assertEquals(0,1);
}
}
@Test
public void testGetQuery2() {
if(testCheck() && testCheck1()){
String actual=lib.getQuery("1001,Adventures of Sherlock Holmes,Sir Arthur Conan Doyle|1002,Adventures of Tom Sawyer,The Mark Twain|1003,Alice in the Wonderland,Lewis Carroll|1004,All’s Well that Ends well,William Shakespeare|1005,As you like it,William Shakespeare|1006,Anand Math,Bankim Chandra Chatterjee","1006,101|1003,102|1001,101","1,1005");
String exp="It is available\nAuthor is William Shakespeare\n";
assertEquals(exp,actual);
}else{
assertEquals(0,1);
}
}
@Test
public void testGetQuery3() {
if(testCheck() && testCheck1()){
String actual=lib.getQuery("125,C programming,Brian W. Kernighan|564,C++ programming,Bjarne Stroustrup|546,Java programming,James Gosling|897,Data Structure,Adam Drozdek|785,System Programming,Johnson M|265,Data Structure,Adam Drozdek|469,Data Structure,Adam Drozdek|968,Advanced Java,James Gosling","125,101|564,102|546,103|897,104|785,101","3,Data Structure");
String exp="1 out\n2 in\n";
assertEquals(exp,actual);
}else{
assertEquals(0,1);
}
}
@Test
public void testGetQuery4() {
if(testCheck() && testCheck1()){
String actual=lib.getQuery("1001,Adventures of Sherlock Holmes,Sir Arthur Conan Doyle|1002,Adventures of Tom Sawyer,The Mark Twain|1003,Alice in the Wonderland,Lewis Carroll|1004,All’s Well that Ends well,William Shakespeare|1005,As you like it,William Shakespeare|1006,Anand Math,Bankim Chandra Chatterjee","1006,101|1003,102|1001,101","2,101");
String exp="1001 Adventures of Sherlock Holmes\n1006 Anand Math\n";
assertEquals(exp,actual);
assertEquals(exp,actual);
}else{
assertEquals(0,1);
}
}
@Test
public void testGetQuery5() {
if(testCheck() && testCheck1()){
String actual=lib.getQuery("1001,Adventures of Sherlock Holmes,Sir Arthur Conan Doyle|1002,Adventures of Tom Sawyer,The Mark Twain|1003,Alice in the Wonderland,Lewis Carroll|1004,All’s Well that Ends well,William Shakespeare|1005,As you like it,William Shakespeare|1006,Anand Math,Bankim Chandra Chatterjee","1006,101|1003,102|1001,101","4,William Shakespeare");
String exp="All’s Well that Ends well\nAs you like it\n";
assertEquals(exp,actual);
}else{
assertEquals(0,1);
}
}
@Test
public void testGetQuery6() {
if(testCheck() && testCheck1()){
String actual=lib.getQuery("1001,Python Tricks,Dan Bader|1002,The Complete Software Developer's Career Guide,John Sonmez|1003,Mastering Deep Learning Fundamentals with Python,Richard Wilson|1004,Cracking the Coding Interview,Gayle Laakmann McDowell|1005,Python Programming,Joseph Mining|1006,Effective Java,Joshua Bloch|1007,Java,Nathan Clark|1008,JavaScript Programming,Brian Jenkins|1009,Functional-Light JavaScript,Kyle Simpson","1006,101|1009,102|1003,101","5,java");
String exp="1008 JavaScript Programming\n1009 Functional-Light JavaScript\n1006 Effective Java\n1007 Java\n";
assertEquals(exp,actual);
}else{
assertEquals(0,1);
}
}
public boolean testCheck() {
Library bs1=new Library("Python Tricks", "Dan Bader");
Library bs2=new Library("The Complete Software Developer's Career Guide", "John Sonmez");
Library bs3=new Library("Mastering Deep Learning Fundamentals with Python","Richard Wilson");
HashMap<Integer,Library> exp=new HashMap<>();
exp.put(1001,bs1);exp.put(1002,bs2);exp.put(1003,bs3);
HashMap<Integer,Library> actual=lib.createLibraryMap("1001,Python Tricks,Dan Bader|1002,The Complete Software Developer's Career Guide,John Sonmez|1003,Mastering Deep Learning Fundamentals with Python,Richard Wilson");
return exp.equals(actual);
}
public boolean testCheck1() {
HashMap<Integer,Integer> exp=new HashMap<>();
exp.put(125,101);exp.put(564,102);exp.put(546,103);exp.put(897,104);exp.put(785,101);
HashMap<Integer,Integer> actual=lib.createUserMap("125,101|564,102|546,103|897,104|785,101");
return exp.equals(actual);
}
}
Please suggest us