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/*
* This file is part of LibEuFin.
* Copyright (C) 2024 Taler Systems S.A.
* LibEuFin is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3, or
* (at your option) any later version.
* LibEuFin is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
* Public License for more details.
* You should have received a copy of the GNU Affero General Public
* License along with LibEuFin; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>
*/
import org.junit.Test
import tech.libeufin.common.TalerAmount
import kotlin.test.assertEquals
class AmountTest {
@Test
fun parse() {
assertEquals(TalerAmount("EUR:4"), TalerAmount(4L, 0, "EUR"))
assertEquals(TalerAmount("EUR:0.02"), TalerAmount(0L, 2000000, "EUR"))
assertEquals(TalerAmount("EUR:4.12"), TalerAmount(4L, 12000000, "EUR"))
assertEquals(TalerAmount("LOCAL:4444.1000"), TalerAmount(4444L, 10000000, "LOCAL"))
assertEquals(TalerAmount("EUR:${TalerAmount.MAX_VALUE}.99999999"), TalerAmount(TalerAmount.MAX_VALUE, 99999999, "EUR"))
assertException("Invalid amount format") {TalerAmount("")}
assertException("Invalid amount format") {TalerAmount("EUR")}
assertException("Invalid amount format") {TalerAmount("eur:12")}
assertException("Invalid amount format") {TalerAmount(" EUR:12")}
assertException("Invalid amount format") {TalerAmount("EUR:1.")}
assertException("Invalid amount format") {TalerAmount("EUR:.1")}
assertException("Invalid amount format") {TalerAmount("AZERTYUIOPQSD:12")}
assertException("Value specified in amount is too large") {TalerAmount("EUR:${Long.MAX_VALUE}")}
assertException("Invalid amount format") {TalerAmount("EUR:4.000000000")}
assertException("Invalid amount format") {TalerAmount("EUR:4.4a")}
}
@Test
fun parseRoundTrip() {
for (amount in listOf("EUR:4", "EUR:0.02", "EUR:4.12")) {
assertEquals(amount, TalerAmount(amount).toString())
}
}
fun assertException(msg: String, lambda: () -> Unit) {
try {
lambda()
throw Exception("Expected failure")
} catch (e: Exception) {
assert(e.message!!.startsWith(msg)) { "${e.message}" }
}
}
}
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