getting closer

pom.xml

     <groupId>com.zipcoder</groupId>
     <artifactId>payment</artifactId>
     <version>1.0-SNAPSHOT</version>
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>RELEASE</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
 
 
 </project>

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 CreditCard() {
+    }
+
+
+    public CreditCard(String payerName, String number, int expiredMonth, int expiredYear) {
+        this.payerName = payerName;
+        this.number = number;
+        this.expiredMonth = expiredMonth;
+        this.expiredYear = expiredYear;
+    }
+
+    @Override
+    public long getId() {
+        return id;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    @Override
+    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 int getExpiredMonth() {
+        return expiredMonth;
+    }
+
+    public void setExpiredMonth(int expiredMonth) {
+        this.expiredMonth = expiredMonth;
+    }
+
+    public int getExpiredYear() {
+        return expiredYear;
+    }
+
+    public void setExpiredYear(int expiredYear) {
+        this.expiredYear = expiredYear;
+    }
+
+    public String getShortDescription() {
+
+        return "CC " + getPayerName() + " " + getLastFourDigits() + " " + getExpiredMonth() + "/" + getExpiredYear();
+    }
+
+    public String getLastFourDigits(){
+        return getNumber().substring(number.length() - 4);
+    }
+
+
+}

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

+package com.zipcoder.payment;
+
+public interface Payment {
+
+    long getId();
+
+    String getPayerName();
+
+    String getShortDescription();
+
+
+}

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

+package com.zipcoder.payment;
+
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class CreditCardTest {
+
+    @Test
+    public void getIdTest() {
+        CreditCard creditCard = new CreditCard();
+        creditCard.setId(1234L);
+
+        long expected = 1234L;
+        long actual = creditCard.getId();
+
+        assertEquals(expected, actual);
+    }
+
+
+    @Test
+    public void getPayerNameTest() {
+        CreditCard creditCard = new CreditCard();
+        creditCard.setPayerName("Kris Blassingame");
+
+        String expected = "Kris Blassingame";
+        String actual = creditCard.getPayerName();
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getNumberTest(){
+        CreditCard creditCard = new CreditCard();
+        creditCard.setNumber("1234567890123456");
+
+        String expected = "1234567890123456";
+        String actual = creditCard.getNumber();
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getExpiredMonthTest(){
+        CreditCard creditCard = new CreditCard();
+        creditCard.setExpiredMonth(06);
+
+        int expected = 06;
+        int actual = creditCard.getExpiredMonth();
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getExpiredYearTest(){
+        CreditCard creditCard = new CreditCard();
+        creditCard.setExpiredYear(2020);
+
+        int expected = 2020;
+        int actual = creditCard.getExpiredYear();
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getShortDescriptionTest(){
+        CreditCard creditCard = new CreditCard("Kris Blassingame", "1234567890987654", 6, 2020);
+
+        String expected = "CC Kris Blassingame 7654 6/2020";
+        String actual = creditCard.getShortDescription();
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void getLastFourDigitsTest(){
+        CreditCard creditCard = new CreditCard();
+
+        String expected = "7654";
+        creditCard.setNumber("123456789098 7654");
+
+        assertEquals(expected, creditCard.getLastFourDigits());
+    }
+}