@Test
public void testGetPostsInTopic() throws Exception {
Topic topic = new Topic();
int pageNumber = 5;
Page<Post> expectedPage = new PageImpl<Post>(new ArrayList<Post>());
when(postDao.getPostsInTopic(topic, new PageRequest(pageNumber, PAGE_SIZE.STANDARD.getSize())))
.thenReturn(expectedPage);
Page<Post> actualPage = postService.getPostsInTopic(topic, pageNumber);
assertSame(expectedPage, actualPage);
}
@Test
public void testCalculatePostPage() throws Exception {
Topic topic = new Topic();
for (int i = 0; i < 3 * PAGE_SIZE.STANDARD.getSize(); i++) {
Post post = new Post();
post.setPostContent("" + i);
topic.addPost(post);
}
Post firstPost = topic.getPosts().get(0);
Post lastPost = topic.getLastPost();
int firstPostPageNumber = postService.calculatePostPage(firstPost);
int lastPostPageNumber = postService.calculatePostPage(lastPost);
assertEquals(0, firstPostPageNumber);
assertEquals(2, lastPostPageNumber);
}
