SubjectRepositoryTest.java

package no.niths.infrastructure.school;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import no.niths.common.config.HibernateConfig;
import no.niths.common.config.TestAppConfig;
import no.niths.domain.school.Subject;
import no.niths.infrastructure.school.interfaces.SubjectRepository;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.transaction.TransactionConfiguration;
import org.springframework.transaction.annotation.Transactional;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { TestAppConfig.class, HibernateConfig.class })
@Transactional
@TransactionConfiguration(transactionManager = "transactionManager",defaultRollback=true) 
public class SubjectRepositoryTest {

    @Autowired
    private SubjectRepository repo;

    @Test(expected = IllegalArgumentException.class)    
    public void whenInsertNull_persistenceShouldFail() {
        repo.create(null);
    }

    @Test
    public void whenCreateSubject_subjectShouldBePersisted() {
        int size = repo.getAll(null).size();

        Subject subject = new Subject();
        subject.setSubjectCode("PG111");
        repo.create(subject);

        assertEquals(size + 1, repo.getAll(null).size());
    }

    @Test
    public void whenGetById_SubjectShouldBeReturned() {
        int size = repo.getAll(null).size();

        Subject subject = new Subject();
        subject.setName("Java 1");
        subject.setSubjectCode("PG111");
        repo.create(subject);

        assertEquals(size + 1, repo.getAll(null).size());
        
        Subject result = repo.getById(subject.getId());
        assertEquals(result, subject);
        
        result = repo.getById(new Long(999));
        assertNull(result);
    }
    
    @Test
    public void whenUpdateSubject_SubjectShouldBeUpdatet() {
        int size = repo.getAll(null).size();
        
        Subject subject = new Subject();
        subject.setName("Java 1");
        subject.setSubjectCode("PG111");
        repo.create(subject);
        
        assertEquals(size + 1, repo.getAll(null).size());
        
        subject.setSubjectCode("PG211");
        repo.update(subject);
        
        assertEquals("PG211", repo.getById(subject.getId()).getSubjectCode());
        
    }
    
    @Test
    public void whenGetAll_allShouldBeReturnedt() {
        int size = repo.getAll(null).size();
        
        Subject subject1 = new Subject();
        subject1.setName("Java 1");
        repo.create(subject1);
        Subject subject2 = new Subject();
        subject2.setName("Java 2");
        repo.create(subject2);
        Subject subject3 = new Subject();
        subject3.setName("Java 3");
        repo.create(subject3);

        assertEquals(size + 3, repo.getAll(null).size());

        assertEquals(size + 1, repo.getAll(subject1).size());
    }
}