public async Task Get_Books_By_Are_Not_Available()
{
using (var context = GetContextWithData())
{
var handler = new GetBooksQueryHandler(context);
var result = await handler.Handle(new GetBooksQuery { IsAvailable = false }, CancellationToken.None);
Assert.IsType <GetBooksModel>(result);
Assert.Equal(context.Books.OrderBy(b => b.Title).ToList().First(b => !b.IsAvailable).Title, result.Books.First().Title);
}
}
public async Task Get_Books_By_Lender()
{
using (var context = GetContextWithData())
{
var handler = new GetBooksQueryHandler(context);
var lenderId = context.Persons.First(p => p.Name == "Hamed").Id;
var result = await handler.Handle(new GetBooksQuery { LenderId = lenderId }, CancellationToken.None);
Assert.IsType <GetBooksModel>(result);
Assert.Equal(context.Books.First(b => b.Lender.Id == lenderId).Title, result.Books.First().Title);
}
}
public async Task Get_Books_By_Title()
{
using (var context = GetContextWithData())
{
var handler = new GetBooksQueryHandler(context);
const string title = "Open";
var result = await handler.Handle(new GetBooksQuery { Title = title }, CancellationToken.None);
Assert.IsType <GetBooksModel>(result);
Assert.Equal(context.Books.First(b => b.Title == title).Title, result.Books.First().Title);
}
}
public async Task Get_All_Books()
{
using (var context = GetContextWithData())
{
var handler = new GetBooksQueryHandler(context);
var result = await handler.Handle(new GetBooksQuery(), CancellationToken.None);
Assert.IsType <GetBooksModel>(result);
Assert.Equal(context.Books.Count(), result.Books.Count());
Assert.Equal(context.Books.OrderBy(b => b.Title).First().Title,
result.Books.OrderBy(b => b.Title).First().Title);
}
}
public void QueryHandler_Exception_Test()
{
#region preparation
ApplicationContext _Context = new ApplicationContext();
string errorType = GetBooksQueryError.Set_InternalServerError("").ErrorType;
string errorDetail_part = "Value cannot be null";
#endregion
#region test error
Result <GetBooksQueryResult, GetBooksQueryError> result =
new GetBooksQueryHandler(_Context).Handle(null);
Assert.AreEqual(errorType, result.Error.ErrorType);
Assert.IsTrue(result.Error.ErrorDetail.Contains(errorDetail_part));
#endregion
}
public async Task Get_Books_By_Category()
{
using (var context = GetContextWithData())
{
var handler = new GetBooksQueryHandler(context);
var categoryId = context.Categories.First().Id;
var result = await handler.Handle(new GetBooksQuery { CategoryIds = new List <Guid> {
categoryId
} },
CancellationToken.None);
Assert.IsType <GetBooksModel>(result);
Assert.Equal(
context.BookCategories.Where(bc => bc.CategoryId == categoryId).Select(b => b.Book)
.OrderBy(b => b.Title).First().Title, result.Books.First().Title);
}
}
