Struggling to Create Maintainable Unit Tests?
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Learn how to create maintainable unit tests by using jMock with Test Data Builders.
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Struggling to Create Maintainable Unit Tests?
- 3. Protocol => Mocks Data => Builders
- 5. Define Maintainable Unit Test
- 12. Mocks Builders
- 16. Examples
- 18. Domain Model
- 19. public void should_recognize_pediatric_patient() { // setup Patient sut = aPatient ().age(17).build(); // exercise and verify assertTrue (sut.isPediatric()); assertTrue (!sut.isAdult()); }
- 20. public void should_recognize_pediatric_patient() { // setup Patient sut = aPatient ().age(17).build(); // exercise and verify assertTrue (sut.isPediatric()); assertTrue (!sut.isAdult()); }
- 21. public void should_recognize_pediatric_patient() { // setup Patient sut = aPatient ().age(17).build(); // exercise and verify assertTrue (sut.isPediatric()); assertTrue (!sut.isAdult()); } aPatient ().dob(april(1, 1992)).build();
- 23. public class CareTeamMembershipService implements ICareTeamMembershipService { private CareTeamMembershipDao careTeamMembershipDao ; public void addMember(Patient patient, CareTeam careTeam) { if (!patient.isRegisteredAt(careTeam.getFacility())) { throw new CareTeamAdminException(); } if (!patient.meets(careTeam.getMembershipCriteria())) { throw new CareTeamAdminException(); } careTeamMembershipDao .create( patient.getId(), careTeam.getId()); } }
- 24. private final CareTeamMembershipDao careTeamMembershipDao = context .mock(CareTeamMembershipDao. class ); private final ICareTeamMembershipService sut = createCareTeamMembershipService(); public void should_permit_add_for_appropriate_care_team() { // setup final Facility jacobi = aFacility ().build(); final Patient patient = aPatient ().at(jacobi).age(18) .with(Diagnosis. DIABETES ).build(); final CareTeam careTeam = anAdultCareTeam ().at(jacobi) .with(Diagnosis. DIABETES ).build(); // verify context .checking( new Expectations() {{ one( careTeamMembershipDao ).create( patient.getId(), careTeam.getId()); }}); // exercise sut .addMember(patient, careTeam); }
- 25. private final CareTeamMembershipDao careTeamMembershipDao = context .mock(CareTeamMembershipDao. class ); private final ICareTeamMembershipService sut = createCareTeamMembershipService(); // verify @Test (expected=CareTeamAdminException. class ) public void should_disallow_add_adult_to_pediatric_care_team() { // setup final Facility jacobi = aFacility ().build(); final Patient patient = aPatient ().at(jacobi).age(18) . with (Diagnosis. DIABETES ).build(); final CareTeam careTeam = aPediatricCareTeam ().at(jacobi) .with(Diagnosis. DIABETES ).build(); // exercise sut .addMember(patient, careTeam); }
- 27. When to Use Mocks
- 28. Mocks Builders
- 29. Protocol Data
- 30. Protocol => Mocks Data => Builders
- 36. Credits Obstacle Race http://www.flickr.com/photos/foxypar4/1004464889/ Einstein Blackboard Writing Generator http://generator.kitt.net/2006/12/ einstein-blackboard-writing-generator.html Holy Grail http://www.flickr.com/photos/ spiritual_marketplace/2207966935/