Example code:
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package main.com.bankapp; /** * Created by rpchurchill on 9/3/2015. */ public class bankAccountClass { //HashSet<Object> accountList; String firstName, lastName; double balance; private EmailNotifier emailNotifier; private daoBankAcctDatabase bankDB; public bankAccountClass() { setBalance(0.0); setFirstName(""); setLastName(""); } public bankAccountClass(String first, String last, double initbal) { setFirstName(first); setLastName(last); setBalance(initbal); } public bankAccountClass(String first, String last, double initbal, EmailNotifier emailNotify) { setFirstName(first); setLastName(last); setBalance(initbal); emailNotifier = emailNotify; } public bankAccountClass(String first, String last, double initbal, daoBankAcctDatabase acctDB) { setFirstName(first); setLastName(last); setBalance(initbal); bankDB = acctDB; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public void setLastName(String lastName) { this.lastName = lastName; } public void setBalance(double balance) { this.balance = balance; } public String getLastName() { return lastName; } public double getBalance() { return balance; } public void deposit(double depamount) { setBalance(getBalance() + depamount); } //TODO figure out hoow to throw and test for excepptions public void withdrawal(double wdamount) { //throws acctOverdraftException { if (wdamount > getBalance()) { // throw new acctOverdraftException() emailNotifier.sendMessage("fred", "barney", "wilma", "betty"); } else deposit(-wdamount); } public double sumDeposits(int days) { double[] deposits; double sum = 0.0; deposits = bankDB.getDepositsFromDatabase(days); for (double d : deposits) { sum += d; } return sum; } } |
Example tests for above:
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package test.unit.com.bankapp; import junit.framework.Assert; import main.com.bankapp.EmailNotifier; import main.com.bankapp.bankAccountClass; import main.com.bankapp.daoBankAcctDatabase; import org.junit.Test; import static org.mockito.Mockito.*; /** * Created by rpchurchill on 9/3/2015. */ public class bankAccountClassTest { @Test //does account exist public void acctExists() { bankAccountClass account = new bankAccountClass("Fred","Flintstone",0.0); Assert.assertNotNull(account); Assert.assertEquals(0.0, account.getBalance(), 0.00000001); Assert.assertEquals("Fred", account.getFirstName()); Assert.assertEquals("Flintstone",account.getLastName()); } @Test public void acctDepositSimple() { bankAccountClass account = new bankAccountClass("Fred","Flintstone",0.0); account.deposit(100.0); Assert.assertEquals(account.getBalance(), 100.0, 0.00000001); } @Test public void acctDepositCents() { bankAccountClass account = new bankAccountClass("Fred","Flintstone",0.0); account.deposit(43.42); Assert.assertEquals(account.getBalance(), 43.42, 0.00000001); } @Test public void acctDepositModifyExisting() { bankAccountClass account = new bankAccountClass("Fred","Flintstone",0.0); account.deposit(250.24); account.deposit(100.0); Assert.assertEquals(account.getBalance(), 350.24, 0.00000001); } @Test public void acctDepositModifyExisting1() { bankAccountClass account = new bankAccountClass("Fred","Flintstone",100.0); account.deposit(25); Assert.assertEquals(account.getBalance(), 125.0, 0.00000001); account = new bankAccountClass("Fred","Flintstone",23.42); account.deposit(100); Assert.assertEquals(account.getBalance(), 123.42, 0.00000001); account = new bankAccountClass("Fred","Flintstone",12.41); account.deposit(55.00); Assert.assertEquals(account.getBalance(), 67.41, 0.00000001); account = new bankAccountClass("Fred","Flintstone",67.89); account.deposit(10.25); Assert.assertEquals(account.getBalance(), 78.14, 0.00000001); } @Test public void acctDepositModifyMultiple() { bankAccountClass account = new bankAccountClass("Fred","Flintstone",0.0); account.deposit(45.45); account.deposit(50.00); account.deposit(12.73); Assert.assertEquals(account.getBalance(), 108.18, 0.00000001); } @Test public void acctWithdrawal() { bankAccountClass account = new bankAccountClass("Fred","Flintstone",100.0); //try { account.withdrawal(50.00); //} //catch (acctOverdraftException e) {} Assert.assertEquals(account.getBalance(), 50.0, 0.00000001); } @Test public void acctWithdrawalMultiple() { bankAccountClass account = new bankAccountClass("Fred","Flintstone",45.45); //try { account.withdrawal(25.00); //} //catch (acctOverdraftException e) {} account.deposit(50.00); //try { account.withdrawal(10.25); //} //catch (acctOverdraftException e) {} account.deposit(12.73); Assert.assertEquals(account.getBalance(), 72.93, 0.00000001); } /* @Test //(expected = acctOverdraftException.class) public void acctWithdrawalOverdraft() { bankAccountClass account = new bankAccountClass("Fred","Flintstone",25.00); //try { account.withdrawal(50.00); //} //catch (acctOverdraftException e) {} } */ @Test public void acctEmailSentOnOverdraft() { EmailNotifier mockEmailNotifier = mock(EmailNotifier.class); bankAccountClass account = new bankAccountClass("Fred","Flintstone",25.00,mockEmailNotifier); account.withdrawal(50.00); verify(mockEmailNotifier).sendMessage("fred", "barney", "wilma", "betty"); Assert.assertEquals(account.getBalance(), 25.00, 0.0000001); } @Test public void acctDepositsFromDatabase() { daoBankAcctDatabase mockDB = mock(daoBankAcctDatabase.class); //List<Double> deposits = new ArrayList<Double>(); //deposits.add(11.12); //deposits.add(22.23); //deposits.add(33.34); double [] deposits = new double[3]; deposits[0] = 11.12; deposits[1] = 22.23; deposits[2] = 33.34; doReturn(deposits).when(mockDB).getDepositsFromDatabase(30); bankAccountClass account = new bankAccountClass("Fred","Flintstone",0.00,mockDB); //verify(mockDB.getDepositsFromDatabase(30)); Assert.assertEquals(account.sumDeposits(30),66.69,0.0000001); } } |