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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.lib.wallet.exchange
import net.taler.lib.common.Amount
import net.taler.lib.common.Timestamp
import net.taler.lib.common.Timestamp.Companion.NEVER
import net.taler.lib.wallet.exchange.DenominationStatus.VerifiedBad
import net.taler.lib.wallet.exchange.DenominationStatus.VerifiedGood
import net.taler.lib.wallet.exchange.Denominations.denomination1
import net.taler.lib.wallet.exchange.Denominations.denomination10
import net.taler.lib.wallet.exchange.Denominations.denomination2
import net.taler.lib.wallet.exchange.Denominations.denomination5
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertFalse
import kotlin.test.assertTrue
class DenominationTest {
@Test
fun testGetEarliestDepositExpiry() {
// empty selection info never expires
val infoEmpty = DenominationSelectionInfo(
totalCoinValue = Amount.zero("TESTKUDOS"),
totalWithdrawCost = Amount.zero("TESTKUDOS"),
selectedDenominations = emptyList()
)
assertEquals(Timestamp(NEVER), infoEmpty.getEarliestDepositExpiry())
// earliest expiry of single denomination is that of the denomination
val info1 = infoEmpty.copy(
selectedDenominations = listOf(SelectedDenomination(1, denomination10))
)
assertEquals(denomination10.stampExpireDeposit, info1.getEarliestDepositExpiry())
// denomination that expires earlier gets selected
val info2 = infoEmpty.copy(
selectedDenominations = listOf(
SelectedDenomination(3, denomination5.copy(stampExpireDeposit = Timestamp(42))),
SelectedDenomination(2, denomination2.copy(stampExpireDeposit = Timestamp(2))),
SelectedDenomination(1, denomination1.copy(stampExpireDeposit = Timestamp(1)))
)
)
assertEquals(Timestamp(1), info2.getEarliestDepositExpiry())
// denomination that expires at all is earlier than the one that never expires
val info3 = infoEmpty.copy(
selectedDenominations = listOf(
SelectedDenomination(2, denomination2.copy(stampExpireDeposit = Timestamp(NEVER))),
SelectedDenomination(1, denomination1.copy(stampExpireDeposit = Timestamp(1)))
)
)
assertEquals(Timestamp(1), info3.getEarliestDepositExpiry())
}
@Test
fun testIsWithdrawableDenomination() {
// denomination is withdrawable
assertTrue(denomination1.isWithdrawable())
// denomination is withdrawable when VerifiedGood
assertTrue(denomination1.copy(status = VerifiedGood).isWithdrawable())
// fails with VerifiedBad
assertFalse(denomination1.copy(status = VerifiedBad).isWithdrawable())
// fails when revoked
assertFalse(denomination1.copy(isRevoked = true).isWithdrawable())
// fails when not started
assertFalse(denomination1.copy(stampStart = Timestamp(Timestamp.now().ms + 9999)).isWithdrawable())
// fails when expired
assertFalse(denomination1.copy(stampExpireWithdraw = Timestamp.now()).isWithdrawable())
// fails when almost expired
assertFalse(denomination1.copy(stampExpireWithdraw = Timestamp(Timestamp.now().ms + 5000)).isWithdrawable())
// succeeds when not quite expired
assertTrue(denomination1.copy(stampExpireWithdraw = Timestamp(Timestamp.now().ms + 51000)).isWithdrawable())
}
}
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