Section 3 in progress

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

@@ -2,5 +2,4 @@ package com.zipcoder.payment;
 
 public class PaymentPresenter {
 
-
 }

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

@@ -1,7 +1,5 @@
 package com.zipcoder.payment;
-
 import org.junit.Test;
-
 import static org.junit.Assert.*;
 
 public class PayPalTest {

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

@@ -1,4 +1,67 @@
 package com.zipcoder.payment;
 
-public class PaymentPresenterTest {
+import org.junit.Test;
+import static org.junit.Assert.*;
+
+
+public class PaymentPresenterTest1 {
+
+    @Test
+    public void toString1() {
+        Payment[] payments = new payment.Payment[0];
+        PaymentPresenter presenter = new PaymentPresenter();
+        String expected = "";
+
+        String actual = presenter.toString(payments);
+
+        assertEquals(expected, actual);
+    }
+
+    @Test
+    public void toString2(){
+        Payment[] payments = new com.zipcoder.payment.Payment[2];
+        Payment payPal = new PayPayl(4L, "Tia Mowry", "tia@mowry.com");
+        Payment check = new Check(81L, "Tia Mowry", "11432543", "134344551")
+
+        payment[0] = payPal;
+        payment[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 toStringByPayerName() {
+        Payment[] payments = new com.zipcoder.payment.Payment[2];
+        Payment paypal = new PayPayl(4L, "Tamara Mowry", "tamara@mowry.com");
+        Payment check = new Check(81L, "Tia Mowry", "11432543", "134344551")
+
+        payment[0] = paypal;
+        payment[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 com.zipcoder.payment.Payment[2];
+        Payment paypal = new PayPayl(120L, "Tamara Mowry", "tamara@mowry.com");
+        Payment check = new Check(81L, "Tia Mowry", "11432543", "134344551")
+
+        payment[0] = paypal;
+        payment[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);
+    }
 }