public async Task FindAllByMerchantId_WhenMerchantHasntTransactions_ShouldReturnNull(
Guid merchantId, List <Transaction> transactions, TransactionFinder sut)
{
transactions = new List <Transaction>();
sut.TransactionRepository.FindAllByMerchantIdAsync(Arg.Is(merchantId)).Returns(transactions);
var result = await sut.FindAllByMerchantIdAsync(merchantId);
result.Should().BeNull();
}
public async Task FindByIdAndMerchantId_WhenTransactionDoesntExistsForMerchant_ShouldReturnNull(
Guid transactionId, Guid merchantId, Transaction transaction, TransactionFinder sut)
{
transaction = null;
sut.TransactionRepository.FindByIdAndMerchantIdAsync(
Arg.Is(transactionId), Arg.Is(merchantId)).Returns(transaction);
var result = await sut.FindByIdAndMerchantIdAsync(transactionId, merchantId);
result.Should().BeNull();
}
public async Task FindAllByMerchantId_WhenMerchantHasTransactions_ShouldReturnTransactionDtoList(
Guid merchantId, List <Transaction> transactions, TransactionFinder sut)
{
sut.TransactionRepository.FindAllByMerchantIdAsync(
Arg.Is(merchantId)).Returns(transactions);
var result = await sut.FindAllByMerchantIdAsync(merchantId);
result.Should().NotBeNullOrEmpty();
result.Should().BeOfType(typeof(List <TransactionDto>));
}
public async Task FindByIdAndMerchantId_WhenTransactionExistsForMerchant_ShouldReturnTransactionDto(
Guid transactionId, Guid merchantId, Transaction transaction, TransactionFinder sut)
{
sut.TransactionRepository.FindByIdAndMerchantIdAsync(
Arg.Is(transactionId), Arg.Is(merchantId)).Returns(transaction);
var result = await sut.FindByIdAndMerchantIdAsync(transactionId, merchantId);
result.Should().NotBeNull();
result.Should().BeOfType(typeof(TransactionDto));
result.Should().BeEquivalentTo(transaction.ConvertToTransactionDto());
}