public void AddPost_when_adding_an_tag_with_a_blank_tagname_should_throw_exception()
{
//Arrange
SetupMocks();
Post post = new Post
{
Id = 0
};
post.AddTag(new Tag());
//Act
service.AddPost(post);
//Assert
tagRepositoryMock.Verify(x => x.GetTagByName(It.IsAny<string>()), Times.Never());
postRepositoryMock.Verify(x => x.AddPost(It.IsAny<Post>()), Times.Never());
}
public void AddPost_when_adding_a_tag_that_already_exists_should_use_the_same_instance_of_the_tag()
{
//Arrange
SetupMocks();
Tag newTag1 = new Tag { Id = 0, TagName = ".net" };
Tag newTag2 = new Tag { Id = 0, TagName = "misc" };
Post post = new Post();
post.AddTag(newTag1);
post.AddTag(newTag2);
//Act
service.AddPost(post);
//Assert
Assert.IsNotNull(_AddedPost,"The post was not saved");
Assert.AreEqual(2, _AddedPost.Tags.Count);
Tag tag1 = _AddedPost.Tags.Where(t => t.TagName == ".net").FirstOrDefault();
Tag tag2 = _AddedPost.Tags.Where(t => t.TagName == "misc").FirstOrDefault();
Assert.IsNotNull(tag1);
Assert.IsNotNull(tag2);
Assert.AreEqual(1, tag1.Id);
Assert.AreEqual(2, tag2.Id);
}
private void ProcessTagsInPost(Post post)
{
if (post.Tags == null || post.Tags.Count == 0)
throw new ConstraintViolationException("Every post should have at least one tag attached to it");
IList<Tag> tags = new List<Tag>(post.Tags);
foreach (var tag in tags)
{
if (string.IsNullOrEmpty(tag.TagName))
throw new ConstraintViolationException("Tags should not be empty");
//tag.Id = 0;
if (tag.Id == 0)
{
if (tag.DateCreated < DateTime.Now)
tag.DateCreated = DateTime.Now;
tag.NormalizedTagName = StringUtility.GetNormalizedText(tag.TagName, '_');
post.Tags.Remove(tag);
Tag tagFromRepo = tagRepository.GetTagByName(tag.TagName);
post.AddTag(tagFromRepo ?? tag);
}
}
}