public async Task AddDiscountToUserAsyncShouldThrowExceptionIfUserIsNull()
{
var options = new DbContextOptionsBuilder <MyCalisthenicAppDbContext>()
.UseInMemoryDatabase(databaseName: Guid.NewGuid().ToString())
.Options;
var dbContext = new MyCalisthenicAppDbContext(options);
IHttpContextAccessor httpContextAccessor = new HttpContextAccessor();
var mockMapper = new MapperConfiguration(cfg =>
{
cfg.AddProfile(new MyCalisthenicAppProfile());
});
var mapper = mockMapper.CreateMapper();
var usersService = new UsersService(httpContextAccessor, dbContext, mapper);
var coupon = new CouponViewModel
{
Coupon = CouponText,
};
var exception = await Assert.ThrowsAsync <NullReferenceException>(async() => await usersService.AddDiscountToUserAsync(coupon));
Assert.IsType <NullReferenceException>(exception);
}
