public async void GetPotentialWinnersAsyncTest()
{
// Setup
var options = new DbContextOptionsBuilder <LuckyDrawContext>()
.UseInMemoryDatabase(databaseName: "GetPotentialWinnersAsyncTest")
.Options;
// Arrange
using (var context = new LuckyDrawContext(options))
{
await context.Prizes.AddRangeAsync(Prizes);
await context.Employees.AddRangeAsync(Employees);
await context.SaveChangesAsync();
}
// Assert
using (var context = new LuckyDrawContext(options))
{
var service = new LuckyDrawService(context);
var existingWinners = await service.GetExistingWinnerAsync();
var potentialWinners = await service.GetPotentialWinnersAsync(existingWinners, 5);
Assert.Equal(5, potentialWinners.Count);
Assert.DoesNotContain("Employee1", potentialWinners.Select(s => s.WWID));
}
}
public async void GetNextLuckyDrawAsync()
{
// Setup
var options = new DbContextOptionsBuilder <LuckyDrawContext>()
.UseInMemoryDatabase(databaseName: "GetNextPrizeAsyncTest")
.Options;
LuckyDrawResult LuckyDrawResult = new LuckyDrawResult();
// Arrange
using (var context = new LuckyDrawContext(options))
{
await context.Prizes.AddRangeAsync(Prizes);
await context.Employees.AddRangeAsync(Employees);
await context.SaveChangesAsync();
var service = new LuckyDrawService(context);
LuckyDrawResult = await service.GetNextLuckyDrawAsync(10);
}
// Assert
using (var context = new LuckyDrawContext(options))
{
var service = new LuckyDrawService(context);
var existingWinners = await service.GetExistingWinnerAsync();
var potentialWinners = await service.GetPotentialWinnersAsync(existingWinners, 10);
Assert.DoesNotContain(LuckyDrawResult.Winner.WWID, potentialWinners.Select(s => s.WWID));
Assert.Equal(8, potentialWinners.Count);
Assert.Equal(LuckyDrawResult.Winner.WWID, context.Prizes.First(f => f.PrizeID == LuckyDrawResult.Prize.PrizeID).WWID);
Assert.Equal(3, context.Prizes.Where(w => w.WWID == null).Count());
}
}