public void CountTest()
{
// Arrange
BillRepository billRepository = new BillRepository();
billRepository.SetDbContext(testContext);
int expectedBillsCount = TestData.BillsCount;
int expectedPaidBillsCount = TestData.PaidBillsCount;
int expectedPaidWithDelayBillsCount = TestData.PaidWithDelayBillsCount;
int expectedWaitingForPaymentBillsCount = TestData.WaitingForPaymentBillsCount;
int expectedOverdueBillsCount = TestData.OverdueBillsCount;
// Act
int actualBillsCount = billRepository.Count();
int actualPaidBillsCount = billRepository.Count(b => b.PaymentStatus == Enums.PaymentStatus.Paid);
int actualPaidWithDelayBillsCount = billRepository.Count(b => b.PaymentStatus == Enums.PaymentStatus.PaidWithDelay);
int actualWaitingForPaymentBillsCount = billRepository.Count(b => b.PaymentStatus == Enums.PaymentStatus.WaitingForPayment);
int actualOverdueBillsCount = billRepository.Count(b => b.PaymentStatus == Enums.PaymentStatus.Overdue);
// Assert
Assert.Equal(expectedBillsCount, actualBillsCount);
Assert.Equal(expectedPaidBillsCount, actualPaidBillsCount);
Assert.Equal(expectedPaidWithDelayBillsCount, actualPaidWithDelayBillsCount);
Assert.Equal(expectedWaitingForPaymentBillsCount, actualWaitingForPaymentBillsCount);
Assert.Equal(expectedOverdueBillsCount, actualOverdueBillsCount);
}
