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import org.junit.Test
import tech.libeufin.sandbox.*
import tech.libeufin.util.execCommand
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")
// Need accounts first.
db.customerCreate(customerFoo)
db.customerCreate(customerBar)
db.bankAccountCreate(bankAccountFoo)
db.bankAccountCreate(bankAccountBar)
db.bankAccountSetMaxDebt(
"foo",
TalerAmount(100, 0)
)
db.bankAccountSetMaxDebt(
"bar",
TalerAmount(50, 0)
)
return db
}
@Test
fun bankTransactionsTest() {
val db = initDb()
var fooAccount = db.bankAccountGetFromLabel("foo")
assert(fooAccount?.hasDebt == false) // Foo has NO debit.
// Preparing the payment data.
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)
val bankAccount = BankAccount(
iban = "not used",
bic = "not used",
bankAccountLabel = "foo",
lastNexusFetchRowId = 1L,
owningCustomerId = 1L,
hasDebt = false
)
db.customerCreate(customerFoo) // Satisfies the REFERENCE
assert(db.bankAccountCreate(bankAccount))
assert(!db.bankAccountCreate(bankAccount)) // Triggers conflict.
assert(db.bankAccountGetFromLabel("foo")?.bankAccountLabel == "foo")
assert(db.bankAccountGetFromLabel("foo")?.balance?.equals(TalerAmount(0, 0)) == true)
}
}
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