fix: lesson_17 implemented businesscheckingAccount test

Author: txtran224

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/BusinessCheckingAccount.java

@@ -14,7 +14,6 @@ private boolean hasBusinessOwner(Set<Customer> owners) {
     return owners.stream().anyMatch(Customer::isBusiness);
   }
 
-
   @Override
   public String toString() {
     return "BusinessCheckingAccount{"

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/CheckingAccount.java

@@ -1,8 +1,8 @@
 package com.codedifferently.lesson17.bank;
 
+import com.codedifferently.lesson17.bank.exceptions.InsufficientFundsException;
 import java.util.Set;
 
-import com.codedifferently.lesson17.bank.exceptions.InsufficientFundsException;
 /** Represents a checking account. */
 public class CheckingAccount {
 

lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/bank/BusinessCheckingAccountTest.java

@@ -0,0 +1,36 @@
+package com.codedifferently.lesson17.bank;
+
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+public class BusinessCheckingAccountTest {
+  private Customer regularCustomer;
+  private BusinessOwner BusinessCustomer;
+  private Set<Customer> owners;
+
+  @BeforeEach
+  void setUp() {
+    regularCustomer = new Customer(UUID.randomUUID(), "james");
+    BusinessCustomer = new BusinessOwner(UUID.randomUUID(), "john", "long johns");
+    owners = new HashSet<>();
+  }
+
+  @Test
+  void hasBusinessOwnerTest() {
+    owners.add(regularCustomer);
+
+    IllegalArgumentException thrown =
+        assertThrows(
+            IllegalArgumentException.class,
+            () -> new BusinessCheckingAccount("12354", owners, 100.00),
+            "Expect Constructor to throw but did not");
+
+    assertTrue(thrown.getMessage().contains("requires at least one business owner"));
+  }
+}

lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/bank/SavingsAccountTest.java

@@ -1,17 +1,16 @@
 package com.codedifferently.lesson17.bank;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
 import java.util.HashSet;
 import java.util.Set;
 import java.util.UUID;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
-public class 
-SavingsAccountTest {
-      private SavingsAccount classUnderTest;
-    private Set<Customer> owners;
+public class SavingsAccountTest {
+  private SavingsAccount classUnderTest;
+  private Set<Customer> owners;
 
   @BeforeEach
   void setUp() {
@@ -20,9 +19,13 @@ void setUp() {
     owners.add(new Customer(UUID.randomUUID(), "Jane Smith"));
     classUnderTest = new SavingsAccount("123456789", owners, 100.0);
   }
-@Test
-void toStringTest() {
+
+  @Test
+  void toStringTest() {
+    // arrange
     String expected = "SavingsAccount{accountNumber='123456789', balance=100.0, isActive=true}";
+
+    // assert
     assertEquals(expected, classUnderTest.toString());
-}
+  }
 }