public async Task AddTransfer_WithInvalidArguments_ShouldFail()
{
var addTransactionCommandFaker = new Common.Fakers.AddTransactionCommandFaker();
await Assert.ThrowsAsync <ArgumentException>(async() =>
await transactionRepository.Add(
addTransactionCommandFaker
.RuleFor(ta => ta.CreditsChange, 0m)
.Generate()));
}
public async Task AddTransfer_ToUnknownAccount_ShouldFail()
{
var addTransactionCommandFaker = new Common.Fakers.AddTransactionCommandFaker()
.RuleFor(ta => ta.UserId, UserId)
.RuleFor(ta => ta.AccountId, Account.ExternalId);
var addTransactionCommand = addTransactionCommandFaker.Generate();
await Assert.ThrowsAsync <AccountNotFoundException>(async() =>
await transactionRepository.Add(addTransactionCommand));
}
public async Task AddTransfer_BetweenSameAccounts_ShouldFail()
{
var addTransactionCommandFaker = new Common.Fakers.AddTransactionCommandFaker()
.RuleFor(ta => ta.UserId, UserId)
.RuleFor(ta => ta.AccountId, Account.ExternalId)
.RuleFor(ta => ta.OtherAccountId, Account.ExternalId);
var addTransactionCommand = addTransactionCommandFaker.Generate();
await Assert.ThrowsAsync <TransactionBetweenSameAccountsException>(async() =>
await transactionRepository.Add(addTransactionCommand));
}
public async Task AddTransfer_TakingCreditsFromOtherAccount_ShouldFail()
{
var addTransactionCommandFaker = new Common.Fakers.AddTransactionCommandFaker()
.RuleFor(ta => ta.UserId, UserId)
.RuleFor(ta => ta.AccountId, Account.ExternalId)
.RuleFor(ta => ta.OtherAccountId, OtherAccount.ExternalId)
.RuleFor(ta => ta.CreditsChange, f => f.Random.Money(+1m, +50m));
var addTransactionCommand = addTransactionCommandFaker.Generate();
await Assert.ThrowsAsync <DebetFromOtherAccountNotAllowedException>(async() =>
await transactionRepository.Add(addTransactionCommand));
}
public async Task Add_ShouldSucceed()
{
var addTransactionCommandFaker = new Common.Fakers.AddTransactionCommandFaker();
var addTransactionCommand = addTransactionCommandFaker.Generate();
var mockTransactionRepository = new Mock <ITransactionRepository>();
TransactionCommandHandler transactionCommandHandler = new TransactionCommandHandler(mockTransactionRepository.Object);
await transactionCommandHandler.HandleAsync(addTransactionCommand);
mockTransactionRepository.Verify(tr => tr.Add(It.Is <AddTransactionCommand>(ta => ta.IsDeepEqual(addTransactionCommand))));
mockTransactionRepository.VerifyNoOtherCalls();
}
public async Task AddTransfer_BelowMinimumCredits_ShouldFail()
{
var addTransactionCommandFaker = new Common.Fakers.AddTransactionCommandFaker()
.RuleFor(ta => ta.UserId, UserId)
.RuleFor(ta => ta.AccountId, Account.ExternalId)
.RuleFor(ta => ta.OtherAccountId, OtherAccount.ExternalId)
.RuleFor(ta => ta.CreditsChange, f =>
f.Random.Money(-Account.Credits + Account.MinimumCredits - 0.01m, -Account.Credits + Account.MinimumCredits - 50m));
var addTransactionCommand = addTransactionCommandFaker.Generate();
await Assert.ThrowsAsync <AccountCreditsInsufficientException>(async() =>
await transactionRepository.Add(addTransactionCommand));
}
public async Task AddTransfer_WithSameTransactionId_ShouldFail()
{
var addTransactionCommandFaker = new Common.Fakers.AddTransactionCommandFaker()
.RuleFor(ta => ta.UserId, UserId)
.RuleFor(ta => ta.AccountId, Account.ExternalId)
.RuleFor(ta => ta.OtherAccountId, OtherAccount.ExternalId);
var transaction1 = addTransactionCommandFaker.Generate();
var transaction2 = addTransactionCommandFaker
.RuleFor(ta => ta.TransactionId, transaction1.TransactionId)
.Generate();
await transactionRepository.Add(transaction1);
await Assert.ThrowsAsync <DatabaseException>(async() =>
await transactionRepository.Add(transaction2));
}
public async Task AddTransfer_ShouldSucceed()
{
var addTransactionCommandFaker = new Common.Fakers.AddTransactionCommandFaker()
.RuleFor(ta => ta.UserId, UserId)
.RuleFor(ta => ta.AccountId, Account.ExternalId)
.RuleFor(ta => ta.OtherAccountId, OtherAccount.ExternalId);
var addTransactionCommand = addTransactionCommandFaker.Generate();
await transactionRepository.Add(addTransactionCommand);
var account2 = await dbContext.Accounts.FindAsync(Account.Id);
Assert.Equal(addTransactionCommand.DateTimeUtc, account2.LastChangeUtc);
Assert.Equal(Account.Credits + addTransactionCommand.CreditsChange, account2.Credits);
var transaction = await dbContext.Transactions
.Where(t => t.AccountId == account2.Id)
.OrderByDescending(t => t.Id)
.FirstAsync();
Assert.Equal(addTransactionCommand.CreditsChange, transaction.CreditsChange);
Assert.Equal(Account.Credits + addTransactionCommand.CreditsChange, transaction.CreditsNew);
Assert.Equal(addTransactionCommand.TransactionId, transaction.ExternalId);
Assert.Equal(addTransactionCommand.Description, transaction.Description);
Assert.Equal(addTransactionCommand.DateTimeUtc, transaction.DateTimeUtc);
var otherAccount2 = await dbContext.Accounts.FindAsync(OtherAccount.Id);
Assert.Equal(addTransactionCommand.DateTimeUtc, otherAccount2.LastChangeUtc);
Assert.Equal(OtherAccount.Credits - addTransactionCommand.CreditsChange, otherAccount2.Credits);
var otherTransaction = await dbContext.Transactions
.Where(t => t.AccountId == otherAccount2.Id)
.OrderByDescending(t => t.Id)
.FirstAsync();
Assert.Equal(-addTransactionCommand.CreditsChange, otherTransaction.CreditsChange);
Assert.Equal(OtherAccount.Credits - addTransactionCommand.CreditsChange, otherTransaction.CreditsNew);
Assert.Equal(addTransactionCommand.TransactionId, otherTransaction.ExternalId);
Assert.Equal(addTransactionCommand.Description, otherTransaction.Description);
Assert.Equal(addTransactionCommand.DateTimeUtc, otherTransaction.DateTimeUtc);
Assert.Equal(transaction.Id, otherTransaction.PrimaryTransactionId);
}