Test Driven Development

Test Driven Development [TDD] Christiano Milfont #XPCE 2009, Fortaleza Copyleft 2009 Milfont.org Desenvolvimento guiado a testes

Test Driven Development ,[object Object],[object Object],[object Object]

Test Driven Development Standup Meeting @ 9h Pair Up Test First [Prática] Code Refactor Integrar ou Disponibilizar Ir para casa @ 17h

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object]

Test Driven Development ,[object Object],[object Object],[object Object],[object Object]

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],@Test public void createIssueFromMember() throws IllegalArgumentIssueException { member = new Member(); issue = member . createIssue ("Issue created"); Assert.assertNotNull( ISSUE_IN_NULL, issue); Assert.assertEquals( "State is not unconfirmed", Status.UNCONFIRMED, issue.getStatus()); }

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],issue = new Member() . createIssue ("Issue created"); Assert. assertNotNull ( ISSUE_IN_NULL, issue); Assert. assertEquals ( "State is not unconfirmed", Status.UNCONFIRMED, issue.getStatus());

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],type = new Type(){{ this.setId(Long.valueOf(10)); this.setName(BUG); }}; member = new Member().withType(type); issue = member.getIssueInProgress(); Assert. assertNotNull (ISSUE_IN_NULL, issue); Assert. assertNotNull ("Type is null", issue.getType()); Assert. assertTrue ("Type is not BUG", issue.getType().getId() == type.getId()); Assert. assertTrue ("Type is not BUG", issue.getType().getName() == type.getName()); Assert. assertEquals ("Type is not BUG", issue.getType().getName(), BUG);

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],@Test public void createIssueFromMemberWithNameEmpty () { ... } @Test public void setTypeInIssueFromMember () throws IllegalArgumentIssueException { … }

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],@Test public void createIssueFromMemberWithNameNull() { try { issue = new Member() .createIssue( null ); Assert.fail( "Didn't find expected exception of type " + IllegalArgumentIssueException.class.getName()); } catch (IllegalArgumentIssueException e) { Assert.assertEquals("Exception correctly catch", "Name is null or empty“, e.getMessage()); } }

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],context.checking(new Expectations() {{ oneOf (repository).persist(with(any(Issue.class))); will (new CustomAction("Add id value to issue") { public Object invoke (Invocation invocation) throws Throwable { ( (Issue) invocation.getParameter(0)). setId(Long.valueOf(1)); return null; } });}});

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],@Test public void setNullSummaryInIssueFromMember () {...} @Test public void setSummaryInIssueFromMember () {...} @Test public void setEmptySummaryInIssueFromMember () { ..}

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],... List<Issue> issues = new ArrayList<Issue>() { { this.add( new Issue(Long.valueOf(134)) ); } }... Assert.assertTrue(“blable”, issues.size()==1);

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],... List<Issue> issues = new ArrayList<Issue>() { { this.add( new Issue(Long.valueOf(134)) ); } }... Assert.assertTrue(“blable”, issues.size()==1 );

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],@RunWith(JMock.class) public class LifeCycleOfIssueInProjectTest { ... } @RunWith(JMock.class) public class ReportIssuesTest { ... }

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],context.checking(new Expectations() {{ oneOf (repository).persist(with(any(Issue.class))); will (new CustomAction("Add id value to issue") { public Object invoke (Invocation invocation) throws Throwable { ( (Issue) invocation.getParameter(0)). setId(Long.valueOf(1)); return null; } }); }});

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],context.checking(new Expectations() {{ oneOf (repository).persist(with(any(Issue.class))); will (new CustomAction("Add id value to issue") { public Object invoke (Invocation invocation) throws Throwable { ( (Issue) invocation.getParameter(0)). setId(Long.valueOf(1)); repository.issues.add( ( (Issue) invocation.getParameter(0))); return null; } }); }}); ... Assert.assertTrue( repository.size() == 12 );

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],@Test public void createIssueFromMemberWithNameNull() { try { issue = new Member() .createIssue( null ); Assert. fail ( "Didn't find expected exception of type " + IllegalArgumentIssueException.class.getName()); } catch ( IllegalArgumentIssueException e) { Assert.assertEquals(" Exception correctly catch ", " Name is null or empty “, e.getMessage() ); } }

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],... List<Issue> issues = new ArrayList<Issue>() { { this.add( new Issue(Long.valueOf(134)) ); } }... Assert.assertTrue(“blable”, issues.size()==1);

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],... IssueRepository repository = new FakeRepository(); List<Issue> issuesUnconfirmeds = repository. getIssuesUnconfirmeds(); Assert.assertTrue(“blable”, issuesUnconfirmeds != null); ... public class FakeRepository implements IssueRepository { public List<Issue> getIssuesUnconfirmeds() { return new ArrayList<Issue>(); } }

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],context.checking(new Expectations() {{ ignoring (repository).count(); will ( returnValue(42)); }}); ... Assert.assertEquals( 12 , repository.count() );

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],context.checking(new Expectations() {{ oneOf (repository).persist(with(any(Issue.class))); will (new CustomAction("Add id value to issue") { public Object invoke (Invocation invocation) throws Throwable { ( (Issue) invocation.getParameter(0)). setId(Long.valueOf(1)); repository.issues.add( ( (Issue) invocation.getParameter(0))); return null; } }); }}); ... Assert.assertTrue( repository.size() == 12 );

Test Driven Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],context.checking(new Expectations() {{ oneOf (repository).persist(with(any(Issue.class))); will (new CustomAction("Add id value to issue") { public Object invoke (Invocation invocation) throws Throwable { ( (Issue) invocation.getParameter(0)). setId(Long.valueOf(1)); return null; } }); }});

Test Driven Development ,[object Object],[object Object],[object Object],@Before public void setUp() throws Exception { Connection conn; try { ... IDatabaseConnection connection = new DatabaseConnection(conn); DatabaseOperation.INSERT.execute(connection, new FlatXmlDataSet( new FileInputStream( “ issuetrackr.xml"))); conn.close(); } catch (Exception exc) { ... } }

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