finished lab

pom.xml

     <artifactId>payment</artifactId>
     <version>1.0-SNAPSHOT</version>
 
+    <dependencies>
+        <!-- https://mvnrepository.com/artifact/junit/junit -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
 
 </project>

src/main/java/com/zipcoder/payment/Check.java

+package com.zipcoder.payment;
+
+public class Check implements Payment {
+    Long id;
+    String payerName;
+    String routingNumber;
+    String accountNumber;
+
+    public Check(){
+    }
+
+    public Check(Long id, String payerName, String routingNumber, String accountNumber){
+        this.id = id;
+        this.payerName = payerName;
+        this.routingNumber = routingNumber;
+        this.accountNumber = accountNumber;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getPayerName() {
+        return payerName;
+    }
+
+    public void setPayerName(String payerName) {
+        this.payerName = payerName;
+    }
+
+    public String getRoutingNumber() {
+        return routingNumber;
+    }
+
+    public void setRoutingNumber(String routingNumber) {
+        this.routingNumber = routingNumber;
+    }
+
+    public String getAccountNumber() {
+        return accountNumber;
+    }
+
+    public void setAccountNumber(String accountNumber) {
+        this.accountNumber = accountNumber;
+    }
+
+    public String getShortDescription() {
+        return ("Check " + getPayerName() + " ***" + getLast4OfAccountNumber());
+    }
+
+    public String getLast4OfAccountNumber() {
+        StringBuilder last4OfAccount = new StringBuilder();
+        for (int i = accountNumber.length()-4; i<accountNumber.length(); i++){
+            last4OfAccount.append(accountNumber.charAt(i));
+        }
+        return last4OfAccount.toString();
+    }
+
+    public int compareTo(Payment o) {
+        return this.id.compareTo(o.getId());
+    }
+}

src/main/java/com/zipcoder/payment/CreditCard.java

+package com.zipcoder.payment;
+
+public class CreditCard implements Payment {
+    Long id;
+    String payerName;
+    String number;
+    int expiredMonth;
+    int expiredYear;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(long id){
+        this.id = id;
+    }
+
+    public String getPayerName() {
+        return payerName;
+    }
+
+    public void setPayerName(String payerName) {
+        this.payerName = payerName;
+    }
+
+    public String getNumber() {
+        return number;
+    }
+
+    public void setNumber(String number) {
+        this.number = number;
+    }
+
+    public String getExpiredMonth() {
+        return String.format("%02d", expiredMonth);
+    }
+
+    public void setExpiredMonth(int expiredMonth) {
+        this.expiredMonth = expiredMonth;
+    }
+
+    public String getExpiredYear() {
+        return String.format("%02d", expiredYear);
+    }
+
+    public void setExpiredYear(int expiredYear) {
+        this.expiredYear = expiredYear;
+    }
+
+    public String getShortDescription() {
+        return ("CC " + payerName + " " + getLast4OfNumber() + " " + getExpiredMonth() + "/" + getExpiredYear());
+    }
+
+    private String getLast4OfNumber(){
+        StringBuilder last4OfNumber = new StringBuilder();
+        for (int i = number.length()-4; i<number.length(); i++){
+            last4OfNumber.append(number.charAt(i));
+        }
+        return last4OfNumber.toString();
+    }
+
+    public int compareTo(Payment o) {
+        return this.id.compareTo(o.getId());
+    }
+}

src/main/java/com/zipcoder/payment/Payment.java

+package com.zipcoder.payment;
+
+public interface Payment extends Comparable<Payment>{
+    Long getId();
+    String getPayerName();
+    String getShortDescription();
+}

src/main/java/com/zipcoder/payment/PaymentPresenter.java

 package com.zipcoder.payment;
+import java.util.Arrays;
 
 public class PaymentPresenter {
+    public String toString(Payment[] payments){
+        Arrays.sort(payments, new PaymentSortByShortDescription());
+        StringBuilder s = new StringBuilder();
+        for (Payment p : payments){
+            s.append(p.getShortDescription());
+            s.append("\n");
+        }
+        return s.toString();
+    }
 
+    public String toStringByPayerName(Payment[] payments){
+        Arrays.sort(payments, new PaymentSortByPayer());
+        StringBuilder s = new StringBuilder();
+        for (Payment p : payments){
+            s.append(p.getShortDescription());
+            s.append("\n");
+        }
+        return s.toString();
+    }
+
+    public String toStringById(Payment[] payments){
+        Arrays.sort(payments, new PaymentSortById());
+        StringBuilder s = new StringBuilder();
+        for (Payment p : payments){
+            s.append(p.getShortDescription());
+            s.append("\n");
+        }
+        return s.toString();
+    }
 
 }

src/main/java/com/zipcoder/payment/PaymentSortById.java

+package com.zipcoder.payment;
+
+import java.util.Comparator;
+
+public class PaymentSortById implements Comparator<Payment> {
+    public int compare(Payment o1, Payment o2) {
+        return o1.getId().compareTo(o2.getId());
+    }
+}

src/main/java/com/zipcoder/payment/PaymentSortByPayer.java

+package com.zipcoder.payment;
+import java.util.Comparator;
+
+public class PaymentSortByPayer implements Comparator<Payment> {
+    public int compare(Payment o1, Payment o2) {
+        return o1.getPayerName().compareTo(o2.getPayerName());
+    }
+}

src/main/java/com/zipcoder/payment/PaymentSortByShortDescription.java

+package com.zipcoder.payment;
+
+import java.util.Comparator;
+
+public class PaymentSortByShortDescription implements Comparator<Payment> {
+    public int compare(Payment o1, Payment o2) {
+        return o1.getShortDescription().compareTo(o2.getShortDescription());
+    }
+}
+

src/main/java/com/zipcoder/payment/Paypal.java

+package com.zipcoder.payment;
+
+public class Paypal implements Payment{
+    Long id;
+    String payerName;
+    String email;
+
+    public Paypal(){
+    }
+
+    public Paypal(Long id, String payerName, String email){
+        this.id = id;
+        this.payerName = payerName;
+        this.email = email;
+    }
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public String getPayerName() {
+        return payerName;
+    }
+
+    public void setPayerName(String payerName) {
+        this.payerName=payerName;
+    }
+
+    public String getShortDescription() {
+        return ("Paypal " + payerName + " " + email);
+    }
+
+    public String getEmail() {
+        return this.email;
+    }
+
+    public void setEmail(String email) {
+        this.email = email;
+    }
+
+    public int compareTo(Payment o) {
+        return this.id.compareTo(o.getId());
+    }
+}

src/test/java/com/zipcoder/payment/CheckTest.java

+package com.zipcoder.payment;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class CheckTest {
+
+    @Test
+    public void getSetIDTest() {
+        Check check = new Check();
+        long expected = 12345;
+        check.setId(expected);
+        long actual = check.getId();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getSetPayerNameTest() {
+        Check check = new Check();
+        String expected = "John Doe";
+        check.setPayerName(expected);
+        String actual = check.getPayerName();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getSetRoutingNumberTest() {
+        Check check = new Check();
+        String expected = "00012345";
+        check.setRoutingNumber(expected);
+        String actual = check.getRoutingNumber();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getSetAccountNumberTest() {
+        Check check = new Check();
+        String expected = "123456789";
+        check.setAccountNumber(expected);
+        String actual = check.getAccountNumber();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getShortDescription() {
+        Check check = new Check();
+        String expected = "Check John Doe ***6789";
+        check.setPayerName("John Doe");
+        check.setAccountNumber("123456789");
+        String actual = check.getShortDescription();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareToPaypalTest() {
+        Paypal paypal = new Paypal();
+        paypal.setId(2);
+        Check check = new Check();
+        check.setId(1);
+        int actual = check.compareTo(paypal);
+        int expected = -1;
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareToCreditCardTest() {
+        Paypal paypal = new Paypal();
+        paypal.setId(1);
+        Check check = new Check();
+        check.setId(1);
+        int actual = check.compareTo(paypal);
+        int expected = 0;
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareToCreditCardTest2() {
+        Check check = new Check();
+        check.setId(1);
+        CreditCard creditCard = new CreditCard();
+        creditCard.setId(0);
+        int actual = check.compareTo(creditCard);
+        int expected = 1;
+        assertEquals(expected, actual);
+    }
+}

src/test/java/com/zipcoder/payment/CreditCardTest.java

+package com.zipcoder.payment;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class CreditCardTest {
+
+    @Test
+    public void getSetIDTest() {
+        CreditCard creditCard = new CreditCard();
+        long expected = 12345;
+        creditCard.setId(expected);
+        long actual = creditCard.getId();
+        assertEquals(expected, actual);
+    }
+    @Test
+    public void getSetPayerNameTest() {
+        CreditCard creditCard = new CreditCard();
+        String expected = "John Doe";
+        creditCard.setPayerName(expected);
+        String actual = creditCard.getPayerName();
+        assertEquals(expected, actual);
+    }
+    @Test
+    public void getSetNumberTest() {
+        CreditCard creditCard = new CreditCard();
+        String expected = "1234567890123456";
+        creditCard.setNumber(expected);
+        String actual = creditCard.getNumber();
+        assertEquals(expected, actual);
+    }
+    @Test
+    public void getSetExpiredMonthTest() {
+        CreditCard creditCard = new CreditCard();
+        int expectedInt = 01;
+        String expected = "01";
+        creditCard.setExpiredMonth(expectedInt);
+        String actual = creditCard.getExpiredMonth();
+        assertEquals(expected, actual);
+    }
+    @Test
+    public void getSetExpiredYearTest() {
+        CreditCard creditCard = new CreditCard();
+        int expectedInt = 20;
+        String expected = "20";
+        creditCard.setExpiredYear(expectedInt);
+        String actual = creditCard.getExpiredYear();
+        assertEquals(expected, actual);
+    }
+    @Test
+    public void getShortDescriptionTest() {
+        CreditCard creditCard = new CreditCard();
+        creditCard.setPayerName("John Doe");
+        creditCard.setNumber("1234567890123456");
+        creditCard.setExpiredMonth(01);
+        creditCard.setExpiredYear(20);
+        String actual = creditCard.getShortDescription();
+        String expected = "CC John Doe 3456 01/20";
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareToCheckTest() {
+        CreditCard creditCard = new CreditCard();
+        creditCard.setId(1);
+        Check check = new Check();
+        check.setId(2);
+        int actual = creditCard.compareTo(check);
+        int expected = -1;
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareToPaypalTest() {
+        Paypal paypal = new Paypal();
+        paypal.setId(1);
+        CreditCard creditCard = new CreditCard();
+        creditCard.setId(1);
+        int actual = creditCard.compareTo(paypal);
+        int expected = 0;
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareToPaypalTest2() {
+        Paypal paypal = new Paypal();
+        paypal.setId(0);
+        CreditCard creditCard = new CreditCard();
+        creditCard.setId(1);
+        int actual = creditCard.compareTo(paypal);
+        int expected = 1;
+        assertEquals(expected, actual);
+    }
+}

src/test/java/com/zipcoder/payment/PaymentPresenterTest.java

 package com.zipcoder.payment;
 
+import org.junit.Test;
+import static org.junit.Assert.*;
+
 public class PaymentPresenterTest {
+
+    @Test
+    public void toStringTest(){
+        Payment[] payments = new Payment[0];
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "";
+
+        String actual = presenter.toString(payments);
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void toStringMultiplePaymentsTest(){
+        Payment[] payments = new Payment[2];
+        Payment paypal = new Paypal(4L, "Tia Mowry", "tia@mowry.com");
+        Payment check = new Check(81L, "Tia Mowry", "11432543", "134344551");
+
+        payments[0] = paypal;
+        payments[1] = check;
+
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "Check Tia Mowry ***4551\nPaypal Tia Mowry tia@mowry.com\n";
+
+        String actual = presenter.toString(payments);
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void toStringByPayerNameTest(){
+        Payment[] payments = new Payment[2];
+        Payment paypal = new Paypal(4L, "Tamara Mowry", "tamara@mowry.com");
+        Payment check = new Check(81L, "Tia Mowry", "11432543", "134344551");
+
+        payments[0] = paypal;
+        payments[1] = check;
+
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "Paypal Tamara Mowry tamara@mowry.com\nCheck Tia Mowry ***4551\n";
+
+        String actual = presenter.toStringByPayerName(payments);
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void toStringById(){
+        Payment[] payments = new Payment[2];
+        Payment paypal = new Paypal(81L, "Tamara Mowry", "tamara@mowry.com");
+        Payment check = new Check(120L, "Tia Mowry", "11432543", "134344551");
+
+        payments[0] = paypal;
+        payments[1] = check;
+
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "Paypal Tamara Mowry tamara@mowry.com\nCheck Tia Mowry ***4551\n";
+
+        String actual = presenter.toStringById(payments);
+        assertEquals(expected, actual);
+    }
+
 }

src/test/java/com/zipcoder/payment/PaymentSortByPayerTest.java

+package com.zipcoder.payment;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class PaymentSortByPayerTest {
+
+    @Test
+    public void compareBeforePayment() {
+        PaymentSortByPayer paymentSortByPayer = new PaymentSortByPayer();
+        Payment o1 = new CreditCard();
+        ((CreditCard) o1).setId(1);
+        Payment o2 = new CreditCard();
+        ((CreditCard) o2).setId(2);
+        int actual = paymentSortByPayer.compare(o1, o2);
+        int expected = -1;
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareSimultaneousPayment() {
+        PaymentSortByPayer paymentSortByPayer = new PaymentSortByPayer();
+        Payment o1 = new CreditCard();
+        ((CreditCard) o1).setId(1);
+        Payment o2 = new CreditCard();
+        ((CreditCard) o2).setId(1);
+        int actual = paymentSortByPayer.compare(o1, o2);
+        int expected = 0;
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareAfterPayment() {
+        PaymentSortByPayer paymentSortByPayer = new PaymentSortByPayer();
+        Payment o1 = new CreditCard();
+        ((CreditCard) o1).setId(1);
+        Payment o2 = new CreditCard();
+        ((CreditCard) o2).setId(0);
+        int actual = paymentSortByPayer.compare(o1, o2);
+        int expected = 1;
+        assertEquals(expected, actual);
+    }
+}

src/test/java/com/zipcoder/payment/PaypalTest.java

+package com.zipcoder.payment;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+public class PaypalTest {
+
+    @Test
+    public void getSetId() {
+        Paypal paypal = new Paypal();
+        long expected = 12345;
+        paypal.setId(expected);
+        long actual = paypal.getId();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getSetPayerName() {
+        Paypal paypal = new Paypal();
+        String expected = "John Doe";
+        paypal.setPayerName(expected);
+        String actual = paypal.getPayerName();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getSetEmail() {
+        Paypal paypal = new Paypal();
+        String expected = "johndoe@alias.com";
+        paypal.setEmail(expected);
+        String actual = paypal.getEmail();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getShortDescription() {
+        Paypal paypal = new Paypal();
+        paypal.setPayerName("John Doe");
+        paypal.setEmail("johndoe@alias.com");
+        String expected = "Paypal John Doe johndoe@alias.com";
+        String actual = paypal.getShortDescription();
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareToCheckTest() {
+        Paypal paypal = new Paypal();
+        paypal.setId(1);
+        Check check = new Check();
+        check.setId(2);
+        int actual = paypal.compareTo(check);
+        int expected = -1;
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareToCheckTest2() {
+        Paypal paypal = new Paypal();
+        paypal.setId(1);
+        Check check = new Check();
+        check.setId(1);
+        int actual = paypal.compareTo(check);
+        int expected = 0;
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void compareToCreditCardTest() {
+        Paypal paypal = new Paypal();
+        paypal.setId(1);
+        CreditCard creditCard = new CreditCard();
+        creditCard.setId(0);
+        int actual = paypal.compareTo(creditCard);
+        int expected = 1;
+        assertEquals(expected, actual);
+    }
+}