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Agenda
? Test?
? TDD
? Database Test
? Service Tier Test
? Web Tier Test
? Test Coverage

?? ???
???? / ?? ???
?? ???
?? ???
??? ??
?? ???

??? ??
? ?? ??? - ??? ?? , ??? ??? ???
?? ( ?? ?? ?? , ?? ?? ) ? ???
? ?? ??? – ?? ? , ??? ? , ?? ???
? ?? ?? ???
? ?? ??? – ??? api ? ?? ?? ?? ??
? , ????? ?? ???
? ???? ??? – jMeter ?? ?? ?? ??
? ?? ??? – ???? ?? ?? ?? QA ?? ?
?

Mockito
Tapestry Test
Test ?? Tools
Spring Test

?? ???
“ ?? ??? (unit test) ? ?? ???
??? ?? ??? ????? ???
? ??? . ? , ?? ???? ???
? ?? ??? ???? ???? ??
? ??? .”
wikipedia.org

Why Unit Test
? ???? ?? ??? ???? ?? ?
?
? ??? ?? ??? ???? ? ??
???? ? ????? ???? ??
? ??? ??? ?? class ? ??? ?
??? ??? ? ??
? ?? ???? ?? ???? ??? ?
? ???? ??? ? ???

Why not Unit Test
? ? ?? ?? ?? ??
? ??? ?? ???
? ??? ???? ?? ??? ??
? ??? ?? ??? ?? ??

?? ??? ??
? Isolated
– ??? ??? ? ? ????? ??? ??
? Repeatable
– ?? ????? ??? ??
– ??? ?? ?? ??
? Fast
– ??? ??? .
– ?? ??? ??? ??? ?? ? ??? ??
? Self-Documenting
– ??? ??? ???? ???? ??? ??
– ??? ??? ???? ??? ?? ??? ??

First Unit Test
Public class Calculator {
public double add(double number1, double number2) {
return number1 + number2;
}
}
import static org.junit.Assert.*;
import org.junit.Test;
public class CalculatorTest { ? 1.public class
@Test ? 2.unit test
public void test() {
Calculator calc = new Calculator();
double result = calc.add(10, 20); ? 3. ??????
assertEquals(30, result, 0); ? 4. ?? ??
}
}

Test Driven
Development(TDD)
“ ?? ??? ????? ?? . ? ??
? ????? .”

Cygnus Tier Flow
CreateServer
ServerServic
e
ServerDao
saveServer(server)
saveServer(server)
doSomething(server)
session.save(server)
ViewServer
ServerServic
e
ServerDao
getServerById(id)
getServerById(id)
session.get(Server.class, id
http://.../viewserver/{id}
Server
Web Tier :
Service Tier :
Dao Tier :
Persistent Tier :

Database Test ???
? Isolated
– DB ? ??? ??
? Repeatable
– Test ? ??? DB ? ????
? Fast
– DB ??? ????? ???
– DB ?? ??? ???? ???
? ?? ??? ??
? ?? ?? ??

Database Test ??
? Embedded DB(H2, HSQL) ??
– Fast
– ??? ?? ??? ?? ??
? DbUnit ??
– ??? ?? ?? ??
– ?? ?? ??? ??
– ?? ?? ?? ??

Database Test ??
? ???? ???? ?? ??
– DB ??? ?? ? )user, index, unique,
max
– ?? DB ?? ? ??
? ??? ????
– one-to-many ??? ??? forign ? ??
? ??? ?
– Cascade ? ? ????? ?
? ?? ??
– ?? ?? ??? ???? ?? ??? ??
?? ??? ?

Database Test Code
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("/META-INF/spring/test-applicationContext.xml")
@Transactional
@TestExecutionListeners({ DependencyInjectionTestExecutionListener.class
,
TransactionDbUnitTestExecutionListener.class,
DbUnitTestExecutionListener.class })
public class ServerDaoTest {
@Test
@DatabaseSetup("testServer.xml") ?1. ?? ???
@ExpectedDatabase(value="empty.xml", ?2. ?? ??? ??
assertionMode=DatabaseAssertionMode.NON_STRICT)
public void testDeleteServer() {
Server server = serverDao.getById(1);
serverDao.delete(server); ?3. ??? ??
serverDao.flush(); ?4. ORM ?? ???
assertThat(serverDao.findAll().size(), is(0)); ?5. delete ??
}

Service ?? Test ???
? Isolated
– ?? ??? / ?? (DAO) ? ???? ??
– ?? ??? (Agent, Mail Server, REST)
? ???? ??
? Repeatable
– Test ? ??? ?? ??? ???? ??
?
? Fast
– ??? ?? ??? ?? ??? ????

Service ?? Test ??
? Stub ?? ??
– Stub ?? ?? ??? ???? ????
?? (Agent ????? )
– ?? ??? stub ??? ????
– Stub ??? ???? ?? ??
? Mock ?? ??
– Mock ?? ?? ??? ??? ??? ??
? ???

Service ?? Test ??
? Mock ?? ??
– Mock ?? ?? ??? ???? ??
– ?? ??? ???? ???? .
– Mock Framework ??? ??? ??
? Mockito, EasyMock, Jmock

Service ?? Test ??
@Service
public class ServerServiceImpl implements ServerService {
@Autowired
ServerDao serverDao;
@Transactional
public Server discoveryServer(String ipAddress) {
Server server = serverDao.findServerByIpAddress(ipAddress);
if(server != null) {
throw new ServerDuplicatedException("Duplicated ipAddres=" + ipAddress);
}
Server newServer = new Server();
newServer.setIpAddress(ipAddress);
serverDao.save(newServer);
return newServer;
}

Service ?? Test ??
@RunWith(MockitoJUnitRunner.class) ? 1. mockito ?? ??
public class ServerServiceTest {
@InjectMocks ? 2. mock ??
ServerService serverService = new ServerServiceImpl();
@Mock ? 3. mock ?? ??
ServerDao serverDao;
@Test
public void testDiscoveryServer() {
String ipAddress = "127.0.0.1";
//stub ?4. mock ?? ??
when(serverDao.findServerByIpAddress(ipAddress)).thenReturn(null);
//run
Server server=serverService.discoveryServer(ipAddress); ? 5. ?? ??? ??
//assert
assertThat(server.getIpAddress(), equalTo(ipAddress)); ? 6. ??? ?? ?? ?
?
verify(serverDao).findServerByIpAddress(ipAddress); ? 7. mock ?? ?? ??
verify(serverDao).save(server); ? 8. mock ?? ?? ??
}

Service ?? Test ??
@Test(expected=ServerDuplicatedException.class) ? 1. ?? ?? ? ??
public void testDiscoveryServerDuplicated() {
String ipAddress = "127.0.0.1";
Server existServer = new Server();
when(serverDao.findServerByIpAddress(ipAddress)).thenReturn(existServer); ? 2.
mock ??
Server server = serverService.discoveryServer(ipAddress); ? 3. ??? ?
?? ??
}

Web ?? test ???
? ??? ??? ?? ??? ?? ? ??
– template ?? , javascript ?
? ??? / ????? ??? ? ???? ?
??? ???
? ???? validate ?? ??? ??? ?
?? ?? ???
? Isolate
– ??? ??? ???? ?? ?? ????
???
? Fast
– ? ?????? ?? ? ?? ??? ??

Web ?? ??? ??
? ??? ??? mock ??? ??
? Tapestry Test framework ??
– PageTester.renderPage()
– PageTester.clickLink()
? Selenium ??? ??

Web ?? ??? ??
public class ViewServerTest {
PageTester tester;
@Before ? 1. test setUp
public void setUp() {
String appPackage = "com.nkia.cygnus.management.server";
String appName = "development";
tester = new PageTester(appPackage, appName, "src/main/webapp",
TestAppModule.class);
}
@Test
public void testExistServer() {
ServerService serverService = tester.getService(ServerService.class); ? 2.
MockServerServic
when(serverService.getServerById(1)).thenReturn(newServer()); ? 3. Mock ?
? ??
Document doc = tester.renderPage("server/ViewServer/1"); ? 4. ?? ??? ???
assertThat(doc.toString(),
containsString("View Server - testserver123456")); ? 4. ?? ??
??

Web ?? ??? ??
// link test
@Test
public void testDeleteNotExistServer() {
ServerService serverService = tester.getService(ServerService.class); ? 1. Mock
??
when(serverService.findServersAll()).thenReturn(newServerList()); ? 2. Mock ?
? ??
when(serverService.getServerById(1)).thenReturn(null);
Document doc = tester.renderPage("server/ServerPage"); ? 3. page rendering
Element delete = doc.getElementById("delete"); ? 4. link ?? ??
assertThat(delete, notNullValue()); ? 5. link ?? ??
Document linkDoc = tester.clickLink(delete); ? 5. link ??
assertThat(linkDoc.toString(),
containsString("Server not found. id = 1")); ? 5. link ??
??
}

Test ???? ???
? ??? ?? ??? ???? ??
? Cobertura ??
? ??? ???? ??? ??? ?? ??
? ??? ? ??? ? ? ?? ?? ??
– http://cms.nkia.net:8088/projects/cygnus/cygnu
? ??? ??? ?? - McCabe's
cyclomatic complexity)?
– http://blog.wisedog.net/110

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