public async Task GetAllByFilterAsync_WhenGetAllAsyncFilterTakeAndSkipAre3AndBlogsExistInTheDataStore_ThenReturnNext4To6Blogs()
{
// Arrange
IList <Blog> blogList = _blogBuilder.BuildBlogs;
_mockBlogRepository
.Setup(r => r.GetAllAsync())
.ReturnsAsync(blogList);
int expectedResult = 3;
_getAllFilterInput = new GetAllByFilterInput(skip: 3, take: 3);
// Act
var actualResult = await new BlogService(_mockBlogRepository.Object).GetAllByFilterAsync(_getAllFilterInput);
// Assert
actualResult.Count.ShouldBe(expectedResult);
actualResult.Single(four => four.BlogId == 4).ShouldNotBeNull();
actualResult.Single(five => five.BlogId == 5).ShouldNotBeNull();
actualResult.Single(six => six.BlogId == 6).ShouldNotBeNull();
}
public async Task GetAllByFilterAsync_WhenGetAllAsyncFilterSkipIs0AndTakeIs3AndBlogsExistInTheDataStore_ThenReturnFirst3Blogs()
{
// Arrange
IList <Blog> blogList = _blogBuilder.BuildBlogs;
_mockBlogRepository = _blogRepositoryBuilder.BuildBlogRepositoryMock;
_mockBlogRepository
.Setup(r => r.GetAllAsync())
.ReturnsAsync(blogList);
int expectedResult = 3;
_getAllFilterInput = new GetAllByFilterInput(skip: 0, take: 3);
// Act
var actualResult = await new BlogService(_mockBlogRepository.Object).GetAllByFilterAsync(_getAllFilterInput);
// Assert
actualResult.Count.ShouldBe(expectedResult);
actualResult.Single(first => first.BlogId == 1).ShouldNotBeNull();
actualResult.Single(second => second.BlogId == 2).ShouldNotBeNull();
actualResult.Single(third => third.BlogId == 3).ShouldNotBeNull();
}
public void GetAllByFilterAsync_WhenGetAllAsyncFilterIsNull_ThenThrowBusinessException()
{
// Arrange
_getAllFilterInput = null;
// Act & Assert
Assert.ThrowsAsync <BusinessException>(async() => await _blogService.GetAllByFilterAsync(_getAllFilterInput));
}
public async Task <IList <Blog> > GetAllByFilterAsync(GetAllByFilterInput getAllByFilterInput)
{
if (getAllByFilterInput == null)
{
// TODO: Add logger for exception message
throw new BusinessException($"Business exception occurred with message : {nameof(getAllByFilterInput)} is cannot be null");
}
IList <Blog> blogList = await _blogRepository.GetAllAsync();
return(blogList.Skip(getAllByFilterInput.Skip).Take(getAllByFilterInput.Take).ToList());
}
public async Task <ActionResult> Index(GetAllByFilterInput input)
{
if (input == null)
{
input = new GetAllByFilterInput();
}
// This will always be a constant
input.Take = ushort.Parse(AppSettings[SmartBloggerConsts.NumberBlogsToLoad]);
IList <Blog> blogs = await _blogService.GetAllByFilterAsync(input);
var blogListViewModel = new BlogListViewModel
{
Blogs = blogs
};
return(View(blogListViewModel));
}
public async Task GetAllByFilterAsync_WhenGetAllAsyncFilterSkipAndTakeValuesAre0AndBlogsExistInTheDataStore_ThenReturn0Blogs()
{
// Arrange
IList <Blog> blogList = _blogBuilder.BuildBlogs;
_mockBlogRepository = _blogRepositoryBuilder.BuildBlogRepositoryMock;
_mockBlogRepository
.Setup(r => r.GetAllAsync())
.ReturnsAsync(blogList);
int expectedResult = 0;
_getAllFilterInput = new GetAllByFilterInput(skip: 0, take: 0);
// Act
var actualResult = await new BlogService(_mockBlogRepository.Object).GetAllByFilterAsync(_getAllFilterInput);
// Assert
actualResult.Count.ShouldBe(expectedResult);
}
public async Task GetAllByFilterAsync_WhenGetAllAsyncFilterSkipIs9AndTake3AndBlogsExistInTheDataStore_ThenReturn10thBlog()
{
// Arrange
IList <Blog> blogList = _blogBuilder.BuildBlogs;
_mockBlogRepository
.Setup(r => r.GetAllAsync())
.ReturnsAsync(blogList);
int expectedResult = 1;
_getAllFilterInput = new GetAllByFilterInput(skip: 9, take: 1);
// Act
var actualResult = await new BlogService(_mockBlogRepository.Object).GetAllByFilterAsync(_getAllFilterInput);
// Assert
actualResult.Count.ShouldBe(expectedResult);
actualResult.Single(ten => ten.BlogId == 10).ShouldNotBeNull();
}