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From: Nobody <fas...@us...> - 2006-09-11 03:47:43
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Update of /cvsroot/mocklib/mocklib3/input/javasrc/biz/xsoftware/examples/basic In directory sc8-pr-cvs7.sourceforge.net:/tmp/cvs-serv30309/input/javasrc/biz/xsoftware/examples/basic Modified Files: SysUnderTest.java TestExample.java CreditAuthorizationSvc.java Log Message: add more to the examples. Index: TestExample.java =================================================================== RCS file: /cvsroot/mocklib/mocklib3/input/javasrc/biz/xsoftware/examples/basic/TestExample.java,v retrieving revision 1.3 retrieving revision 1.4 diff -C2 -d -r1.3 -r1.4 *** TestExample.java 10 Sep 2006 18:44:06 -0000 1.3 --- TestExample.java 11 Sep 2006 03:47:39 -0000 1.4 *************** *** 13,18 **** /** ! * This is the class actually holding the test Examples for you to look at. * * @author Dean Hiller */ --- 13,35 ---- /** ! * This example has 3 tests. ! * ! * testBasicSunnyDay ! * ! * This verifies that the correct amount of money was ! * taken from the credit card and taken from the correct ! * user. It then verifies the correct amount of money was ! * put on the gift card ! * ! * testFailureOfAuthorization ! * ! * In this test we test that a failure from CreditAuthSvc ! * results in the correct StoreUnderTest behavior which in this ! * instance is to throw an exception to the user. * + * testFailureOfBuyingGiftCard + * + * This tests to make sure if putting money on the gift card fails that + * we will return money back to the users credit card. * @author Dean Hiller */ *************** *** 32,35 **** --- 49,57 ---- /** + * Setup for all the tests consists of created MockObjects that will simulate + * the CreditAuthorizationSvc and GiftCardAccountSvc. Then using + * dependency injection(inversion of control) pattern, these are given to + * the SysUnderTest which has no idea they are not the real thing. + * * @showcode * @see junit.framework.TestCase#setUp() *************** *** 37,43 **** --- 59,69 ---- @Override public void setUp() { + //first, create a mock CreditAuthorizationSvc mockCreditSvc = MockObjectFactory.createMock(CreditAuthorizationSvc.class); + //next, create a mock GiftCardAccountSvc mockGiftSvc = MockObjectFactory.createMock(GiftCardAccountSvc.class); + //Create the system we are going to test by passing these mock objects + //into the constructor.... CreditAuthorizationSvc credit = (CreditAuthorizationSvc)mockCreditSvc; GiftCardAccountSvc gift = (GiftCardAccountSvc)mockGiftSvc; *************** *** 46,64 **** /** ! * Test that when we purchase an item from the SysUnderTest ! * that the CreditAuthorization Svc is used to verify the ! * customer has that amount of money on his credit card. * * @see SysUnderTest#purchase * @showcode */ ! public void testBasicSysUnderTest() { String user = "user1"; double amount = 340.99; - sysUnderTest.purchase("itemA", user, amount); ! Object[] paramsToAuthorize = mockCreditSvc.expect("authorize").getAllParams(); assertEquals("User should be the same", user, paramsToAuthorize[0]); assertEquals("Amount should have been the same", new Double(amount), paramsToAuthorize[1]); } --- 72,103 ---- /** ! * This verifies that the correct amount of money was ! * taken from the credit card and taken from the correct ! * user. It then verifies the correct amount of money was ! * put on the gift card * * @see SysUnderTest#purchase * @showcode */ ! public void testBasicSunnyDay() { String user = "user1"; double amount = 340.99; ! //now, purhase a gift card with user=user and amount=amount ! sysUnderTest.buyGiftCard(user, amount); ! ! CalledMethod m1 = mockCreditSvc.expect("takeMoney"); ! Object[] paramsToAuthorize = m1.getAllParams(); ! //method signature of takeMoney = ! // public void takeMoney(String user, double usDollars); ! //This first assert verifies that the first parameter pass into that was equal to user assertEquals("User should be the same", user, paramsToAuthorize[0]); + //This next assert verifies the second parameter passed to the + //takeMoney method was the amount.... assertEquals("Amount should have been the same", new Double(amount), paramsToAuthorize[1]); + + //lastly, we also expect putMoneyOnCard to be called with the correct amount... + CalledMethod m2 = mockGiftSvc.expect("putMoneyOnCard"); + assertEquals("Money on gift card should be correct", amount, m2.getAllParams()[1]); } *************** *** 72,92 **** */ public void testFailureOfAuthorization() { ! mockCreditSvc.addThrowException(new RuntimeException("test robustness of StoreUnderTest"), "authorize"); String user = "user1"; double amount = 340.99; try { ! sysUnderTest.purchase("itemA", user, amount); ! fail("Expecting exactly the IllegalStateException for some odd reason(didn't want to define my own)"); ! } catch(PurchaseException e) {} } /** ! * Test that ! * <ol> ! * <li>Money is taken from users credit account</li> ! * <li>Put money on card, but cause failure</li> ! * <li>Assert that money is put back in users credit account</li> ! * </ol> * * @see SysUnderTest#buyGiftCard --- 111,130 ---- */ public void testFailureOfAuthorization() { ! //we want to tell mockCreditSvc to simulate a failure ! //by throwing an exception on the takeMoney method call ! mockCreditSvc.addThrowException(new IllegalStateException("cause failure"), "takeMoney"); String user = "user1"; double amount = 340.99; try { ! //in this case, we just expect an exception and nothing else... ! sysUnderTest.buyGiftCard(user, amount); ! fail("Expecting exactly the exact exception thrown here, but that didn't happen"); ! } catch(IllegalStateException e) {} } /** ! * This tests to make sure if putting money on the gift card fails that ! * we will return money back to the users credit card. * * @see SysUnderTest#buyGiftCard *************** *** 94,97 **** --- 132,136 ---- */ public void testFailureOfBuyingGiftCard() { + //Now, we want to simulate a failure that should cause recovery to occur.... mockGiftSvc.addThrowException(new RuntimeException("cause failure in subsystem"), "putMoneyOnCard"); *************** *** 99,109 **** double amount = 40.01; try { sysUnderTest.buyGiftCard(user, amount); fail("Should have thrown exception"); } catch(PurchaseException e) {} ! //make sure takeMoney then return money was called which would happen ! //in a failure case. Also could have made takeMoney ignored instead so ! //we didn't test the takeMoney and just tested returnMoney. CalledMethod[] methods = mockCreditSvc.expect("takeMoney", "returnMoney"); CalledMethod takeMoney = methods[0]; --- 138,148 ---- double amount = 40.01; try { + //Now call the system which should recover sysUnderTest.buyGiftCard(user, amount); fail("Should have thrown exception"); } catch(PurchaseException e) {} ! //make sure takeMoney then return money was called which should happen ! //in our failure case. CalledMethod[] methods = mockCreditSvc.expect("takeMoney", "returnMoney"); CalledMethod takeMoney = methods[0]; Index: CreditAuthorizationSvc.java =================================================================== RCS file: /cvsroot/mocklib/mocklib3/input/javasrc/biz/xsoftware/examples/basic/CreditAuthorizationSvc.java,v retrieving revision 1.1 retrieving revision 1.2 diff -C2 -d -r1.1 -r1.2 *** CreditAuthorizationSvc.java 10 Sep 2006 18:25:52 -0000 1.1 --- CreditAuthorizationSvc.java 11 Sep 2006 03:47:39 -0000 1.2 *************** *** 14,23 **** public interface CreditAuthorizationSvc { - /** - * @param user - * @param usDollars - */ - public void authorize(String user, double usDollars); - public void takeMoney(String user, double usDollars); public void returnMoney(String user, double usDollars); --- 14,17 ---- Index: SysUnderTest.java =================================================================== RCS file: /cvsroot/mocklib/mocklib3/input/javasrc/biz/xsoftware/examples/basic/SysUnderTest.java,v retrieving revision 1.1 retrieving revision 1.2 diff -C2 -d -r1.1 -r1.2 *** SysUnderTest.java 10 Sep 2006 18:25:52 -0000 1.1 --- SysUnderTest.java 11 Sep 2006 03:47:39 -0000 1.2 *************** *** 27,43 **** * @showcode */ - public void purchase(String item, String user, double usDollars) { - try { - creditSvc.authorize(user, usDollars); - } catch(RuntimeException e) { - throw new PurchaseException(e); - } - - //if authorize succeeded, go delete an item from the - //Inventory as we successfully sold it. - } - /** - * @showcode - */ public void buyGiftCard(String user, double usDollars) { creditSvc.takeMoney(user, usDollars); --- 27,30 ---- |
