/** Test add follower. */
@Test
public void testAddFollower() {
DomainGroup group = jpaGroupMapper.findByShortName("group1");
Person fordp2 = jpaPersonMapper.findByAccountId("fordp2");
Person csagan = jpaPersonMapper.findByAccountId("csagan");
// Verify initial state
assertFalse(jpaGroupMapper.isFollowing("fordp2", "group1"));
assertFalse(jpaGroupMapper.isFollowing("csagan", "group1"));
assertEquals(0, fordp2.getFollowingCount());
assertEquals(0, fordp2.getGroupCount());
assertEquals(0, csagan.getFollowingCount());
assertEquals(1, csagan.getGroupCount());
// ford wants to follow the group
jpaGroupMapper.addFollower(fordp2.getId(), group.getId());
getEntityManager().clear();
fordp2 = jpaPersonMapper.findByAccountId("fordp2");
csagan = jpaPersonMapper.findByAccountId("csagan");
// verify new state
assertTrue(jpaGroupMapper.isFollowing("fordp2", "group1"));
// Test case insensitivity (everything should be lower cased by the mapper).
assertTrue(jpaGroupMapper.isFollowing("fordp2", "Group1"));
assertFalse(jpaGroupMapper.isFollowing("csagan", "group1"));
assertEquals(0, fordp2.getFollowingCount());
assertEquals(1, fordp2.getGroupCount());
assertEquals(0, csagan.getFollowingCount());
assertEquals(1, csagan.getGroupCount());
// csagan wants to follow the group
jpaGroupMapper.addFollower(csagan.getId(), group.getId());
getEntityManager().clear();
fordp2 = jpaPersonMapper.findByAccountId("fordp2");
csagan = jpaPersonMapper.findByAccountId("csagan");
// verify new state
assertTrue(jpaGroupMapper.isFollowing("fordp2", "group1"));
assertTrue(jpaGroupMapper.isFollowing("csagan", "group1"));
// and verify csagan's counts after the change
assertEquals(0, csagan.getFollowingCount());
assertEquals(2, csagan.getGroupCount());
}
/** Test remove follower. */
@Test
@Transactional
public void testRemoveFollower() {
DomainGroup group = jpaGroupMapper.findByShortName("group1");
Person burns = jpaPersonMapper.findByAccountId("mrburns");
assertEquals(0, burns.getFollowingCount());
assertEquals(1, burns.getGroupCount());
assertEquals(3, group.getFollowersCount());
assertTrue(jpaGroupMapper.isFollowing("mrburns", "group1"));
jpaGroupMapper.removeFollower(burns.getId(), group.getId());
getEntityManager().clear();
group = jpaGroupMapper.findByShortName("group1");
burns = jpaPersonMapper.findByAccountId("mrburns");
assertEquals(0, burns.getFollowingCount());
assertEquals(0, burns.getGroupCount());
assertEquals(2, group.getFollowersCount());
assertFalse(jpaGroupMapper.isFollowing("mrburns", "group1"));
}
/** Test addFollower when the person's already following the group. */
@Test
public void testAddFollowerWhenAlreadyFollowing() {
final long personId = 99L;
final long groupId = 1L;
Person p = jpaPersonMapper.findById(personId);
DomainGroup g = jpaGroupMapper.findById(groupId);
int initialGroupsCount = p.getGroupCount();
int initialFollowersCount = g.getFollowersCount();
// invoke SUT
jpaGroupMapper.addFollower(p.getId(), g.getId());
// clear the entity manager, reload the entities, and assert the counts haven't changed
getEntityManager().clear();
p = jpaPersonMapper.findById(personId);
g = jpaGroupMapper.findById(groupId);
assertEquals(initialGroupsCount, p.getGroupCount());
assertEquals(initialFollowersCount, g.getFollowersCount());
}