public void Add_ShouldThrowArgumentNullExceptionWhenNullTagProvided()
{
var data = new FakeGalleryData();
var tagsService = new TagsService(data);
tagsService.Add(null);
}
public void Delete_ShouldReturnProperValueWhenTagIdDoesNotExist()
{
var data = new FakeGalleryData();
var tagsService = new TagsService(data);
var deletedTagId = tagsService.DeleteTagById(GlobalConstants.DefaultTagIdForTesting);
Assert.AreEqual(-1, deletedTagId);
}
public void GetById_ShouldReturnProperAmountOfTags()
{
var data = new FakeGalleryData();
var tagsService = new TagsService(data);
var newTag = new Tag();
var tagId = newTag.Id;
tagsService.Add(newTag);
var foundTags = tagsService.GetById(tagId);
Assert.AreEqual(1, foundTags.Count());
}
public void Delete_ShouldReturnProperDeletedTagId()
{
var data = new FakeGalleryData();
var tagsService = new TagsService(data);
var newTag = new Tag();
var tagId = newTag.Id;
tagsService.Add(newTag);
tagsService.DeleteTagById(tagId);
var foundTags = tagsService.GetById(tagId);
Assert.AreEqual(0, foundTags.Count());
}
public void GetById_ShouldReturnZeroWhenSuchTagIdIsNotFound()
{
var data = new FakeGalleryData();
var tagsService = new TagsService(data);
var foundTags = tagsService.GetById(GlobalConstants.DefaultTagIdForTesting);
Assert.AreEqual(0, foundTags.Count());
}