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import org.junit.Test
import tech.libeufin.sandbox.*
import tech.libeufin.util.execCommand
import java.util.UUID
class DatabaseTest {
private val customerFoo = Customer(
login = "foo",
passwordHash = "hash",
name = "Foo",
phone = "+00",
email = "foo@b.ar",
cashoutPayto = "payto://external-IBAN",
cashoutCurrency = "KUDOS"
)
private val customerBar = Customer(
login = "bar",
passwordHash = "hash",
name = "Bar",
phone = "+00",
email = "foo@b.ar",
cashoutPayto = "payto://external-IBAN",
cashoutCurrency = "KUDOS"
)
private val bankAccountFoo = BankAccount(
iban = "FOO-IBAN-XYZ",
bic = "FOO-BIC",
bankAccountLabel = "foo",
lastNexusFetchRowId = 1L,
owningCustomerId = 1L,
hasDebt = false
)
private val bankAccountBar = BankAccount(
iban = "BAR-IBAN-ABC",
bic = "BAR-BIC",
bankAccountLabel = "bar",
lastNexusFetchRowId = 1L,
owningCustomerId = 2L,
hasDebt = false
)
fun initDb(): Database {
execCommand(
listOf(
"libeufin-bank-dbinit",
"-d",
"libeufincheck",
"-r"
),
throwIfFails = true
)
val db = Database("jdbc:postgresql:///libeufincheck")
return db
}
@Test
fun bankTransactionsTest() {
val db = initDb()
assert(db.customerCreate(customerFoo))
assert(db.customerCreate(customerBar))
assert(db.bankAccountCreate(bankAccountFoo))
assert(db.bankAccountCreate(bankAccountBar))
var fooAccount = db.bankAccountGetFromLabel("foo")
assert(fooAccount?.hasDebt == false) // Foo has NO debit.
// Preparing the payment data.
db.bankAccountSetMaxDebt(
"foo",
TalerAmount(100, 0)
)
db.bankAccountSetMaxDebt(
"bar",
TalerAmount(50, 0)
)
val fooPaysBar = BankInternalTransaction(
creditorAccountId = 2,
debtorAccountId = 1,
subject = "test",
amount = TalerAmount(10, 0),
accountServicerReference = "acct-svcr-ref",
endToEndId = "end-to-end-id",
paymentInformationId = "pmtinfid",
transactionDate = 100000L
)
val firstSpending = db.bankTransactionCreate(fooPaysBar) // Foo pays Bar and goes debit.
assert(firstSpending == Database.BankTransactionResult.SUCCESS)
fooAccount = db.bankAccountGetFromLabel("foo")
// Foo: credit -> debit
assert(fooAccount?.hasDebt == true) // Asserting Foo's debit.
// Now checking that more spending doesn't get Foo out of debit.
val secondSpending = db.bankTransactionCreate(fooPaysBar)
assert(secondSpending == Database.BankTransactionResult.SUCCESS)
fooAccount = db.bankAccountGetFromLabel("foo")
// Checking that Foo's debit is two times the paid amount
// Foo: debit -> debit
assert(fooAccount?.balance?.value == 20L
&& fooAccount.balance?.frac == 0
&& fooAccount.hasDebt
)
// Asserting Bar has a positive balance and what Foo paid so far.
var barAccount = db.bankAccountGetFromLabel("bar")
val barBalance: TalerAmount? = barAccount?.balance
assert(
barAccount?.hasDebt == false
&& barBalance?.value == 20L && barBalance.frac == 0
)
// Bar pays so that its balance remains positive.
val barPaysFoo = BankInternalTransaction(
creditorAccountId = 1,
debtorAccountId = 2,
subject = "test",
amount = TalerAmount(10, 0),
accountServicerReference = "acct-svcr-ref",
endToEndId = "end-to-end-id",
paymentInformationId = "pmtinfid",
transactionDate = 100000L
)
val barPays = db.bankTransactionCreate(barPaysFoo)
assert(barPays == Database.BankTransactionResult.SUCCESS)
barAccount = db.bankAccountGetFromLabel("bar")
val barBalanceTen: TalerAmount? = barAccount?.balance
// Bar: credit -> credit
assert(barAccount?.hasDebt == false && barBalanceTen?.value == 10L && barBalanceTen.frac == 0)
// Bar pays again to let Foo return in credit.
val barPaysAgain = db.bankTransactionCreate(barPaysFoo)
assert(barPaysAgain == Database.BankTransactionResult.SUCCESS)
// Refreshing the two accounts.
barAccount = db.bankAccountGetFromLabel("bar")
fooAccount = db.bankAccountGetFromLabel("foo")
// Foo should have returned to zero and no debt, same for Bar.
// Foo: debit -> credit
assert(fooAccount?.hasDebt == false && barAccount?.hasDebt == false)
assert(fooAccount?.balance?.equals(TalerAmount(0, 0)) == true)
assert(barAccount?.balance?.equals(TalerAmount(0, 0)) == true)
// Bringing Bar to debit.
val barPaysMore = db.bankTransactionCreate(barPaysFoo)
assert(barPaysAgain == Database.BankTransactionResult.SUCCESS)
barAccount = db.bankAccountGetFromLabel("bar")
fooAccount = db.bankAccountGetFromLabel("foo")
// Bar: credit -> debit
assert(fooAccount?.hasDebt == false && barAccount?.hasDebt == true)
assert(fooAccount?.balance?.equals(TalerAmount(10, 0)) == true)
assert(barAccount?.balance?.equals(TalerAmount(10, 0)) == true)
}
@Test
fun customerCreationTest() {
val db = initDb()
assert(db.customerGetFromLogin("foo") == null)
db.customerCreate(customerFoo)
assert(db.customerGetFromLogin("foo")?.name == "Foo")
// Trigger conflict.
assert(!db.customerCreate(customerFoo))
}
@Test
fun configTest() {
val db = initDb()
assert(db.configGet("bar") == null)
assert(db.configGet("bar") == null)
db.configSet("foo", "bar")
assert(db.configGet("foo") == "bar")
}
@Test
fun bankAccountTest() {
val db = initDb()
assert(db.bankAccountGetFromLabel("foo") == null)
assert(db.customerCreate(customerFoo))
assert(db.bankAccountCreate(bankAccountFoo))
assert(!db.bankAccountCreate(bankAccountFoo)) // Triggers conflict.
assert(db.bankAccountGetFromLabel("foo")?.bankAccountLabel == "foo")
assert(db.bankAccountGetFromLabel("foo")?.balance?.equals(TalerAmount(0, 0)) == true)
}
@Test
fun withdrawalTest() {
val db = initDb()
val uuid = UUID.randomUUID()
assert(db.customerCreate(customerFoo))
assert(db.bankAccountCreate(bankAccountFoo))
// insert new.
assert(db.talerWithdrawalCreate(
uuid,
1L,
TalerAmount(1, 0)
))
// get it.
val op = db.talerWithdrawalGet(uuid)
assert(op?.walletBankAccount == 1L && op.withdrawalUuid == uuid)
// Setting the details.
assert(db.talerWithdrawalSetDetails(
uuid,
"exchange-payto",
ByteArray(32)
))
val opSelected = db.talerWithdrawalGet(uuid)
assert(opSelected?.selectionDone == true && !opSelected.confirmationDone)
assert(db.talerWithdrawalConfirm(uuid))
// Finally confirming the operation (means customer wired funds to the exchange.)
assert(db.talerWithdrawalGet(uuid)?.confirmationDone == true)
}
// Only testing the interaction between Kotlin and the DBMS. No actual logic tested.
@Test
fun historyTest() {
val db = initDb()
val res = db.bankTransactionGetForHistoryPage(
10L,
1L,
fromMs = 0,
toMs = Long.MAX_VALUE
)
assert(res.isEmpty())
}
@Test
fun cashoutTest() {
val db = initDb()
val op = Cashout(
cashoutUuid = UUID.randomUUID(),
amountDebit = TalerAmount(1, 0),
amountCredit = TalerAmount(2, 0),
bankAccount = 1L,
buyAtRatio = 3,
buyInFee = TalerAmount(0, 22),
sellAtRatio = 2,
sellOutFee = TalerAmount(0, 44),
cashoutAddress = "IBAN",
cashoutCurrency = "KUDOS",
creationTime = 3L,
subject = "31st",
tanChannel = TanChannel.sms,
tanCode = "secret",
)
assert(db.customerCreate(customerFoo))
assert(db.bankAccountCreate(bankAccountFoo))
assert(db.customerCreate(customerBar))
assert(db.bankAccountCreate(bankAccountBar))
assert(db.cashoutCreate(op))
val fromDb = db.cashoutGetFromUuid(op.cashoutUuid)
assert(fromDb?.subject == op.subject && fromDb.tanConfirmationTime == null)
assert(db.cashoutDelete(op.cashoutUuid) == Database.CashoutDeleteResult.SUCCESS)
assert(db.cashoutCreate(op))
db.bankAccountSetMaxDebt(
"foo",
TalerAmount(100, 0)
)
assert(db.bankTransactionCreate(BankInternalTransaction(
creditorAccountId = 2,
debtorAccountId = 1,
subject = "backing the cash-out",
amount = TalerAmount(10, 0),
accountServicerReference = "acct-svcr-ref",
endToEndId = "end-to-end-id",
paymentInformationId = "pmtinfid",
transactionDate = 100000L
)) == Database.BankTransactionResult.SUCCESS)
// Confirming the cash-out
assert(db.cashoutConfirm(op.cashoutUuid, 1L, 1L))
// Checking the confirmation took place.
assert(db.cashoutGetFromUuid(op.cashoutUuid)?.tanConfirmationTime != null)
// Deleting the operation.
assert(db.cashoutDelete(op.cashoutUuid) == Database.CashoutDeleteResult.CONFLICT_ALREADY_CONFIRMED)
assert(db.cashoutGetFromUuid(op.cashoutUuid) != null) // previous didn't delete.
}
}
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