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-rw-r--r--taler-kotlin-android/build.gradle2
-rw-r--r--taler-kotlin-android/src/main/AndroidManifest.xml3
-rw-r--r--taler-kotlin-android/src/main/java/net/taler/common/Amount.kt199
-rw-r--r--taler-kotlin-android/src/main/java/net/taler/common/AndroidUtils.kt1
-rw-r--r--taler-kotlin-android/src/main/java/net/taler/common/ContractTerms.kt2
-rw-r--r--taler-kotlin-android/src/main/java/net/taler/common/TalerUri.kt62
-rw-r--r--taler-kotlin-android/src/main/java/net/taler/common/Time.kt129
-rw-r--r--taler-kotlin-android/src/main/java/net/taler/common/Version.kt70
-rw-r--r--taler-kotlin-android/src/test/java/net/taler/common/AmountTest.kt221
-rw-r--r--taler-kotlin-android/src/test/java/net/taler/common/ContractTermsTest.kt1
-rw-r--r--taler-kotlin-android/src/test/java/net/taler/common/TalerUriTest.kt65
-rw-r--r--taler-kotlin-android/src/test/java/net/taler/common/TestUtils.kt40
-rw-r--r--taler-kotlin-android/src/test/java/net/taler/common/TimeTest.kt46
-rw-r--r--taler-kotlin-android/src/test/java/net/taler/common/VersionTest.kt65
14 files changed, 897 insertions, 9 deletions
diff --git a/taler-kotlin-android/build.gradle b/taler-kotlin-android/build.gradle
index e47efe9..b4590c4 100644
--- a/taler-kotlin-android/build.gradle
+++ b/taler-kotlin-android/build.gradle
@@ -58,8 +58,6 @@ android {
}
dependencies {
- api project(":multiplatform:common")
-
implementation 'androidx.appcompat:appcompat:1.4.1'
implementation 'androidx.core:core-ktx:1.7.0'
implementation "androidx.constraintlayout:constraintlayout:$constraintlayout_version"
diff --git a/taler-kotlin-android/src/main/AndroidManifest.xml b/taler-kotlin-android/src/main/AndroidManifest.xml
index c1f6146..f475748 100644
--- a/taler-kotlin-android/src/main/AndroidManifest.xml
+++ b/taler-kotlin-android/src/main/AndroidManifest.xml
@@ -18,9 +18,6 @@
xmlns:tools="http://schemas.android.com/tools">
<uses-sdk tools:overrideLibrary="com.google.zxing.client.android" />
-
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
- <uses-permission android:name="android.permission.INTERNET" />
- <uses-permission android:name="android.permission.NFC" />
</manifest>
diff --git a/taler-kotlin-android/src/main/java/net/taler/common/Amount.kt b/taler-kotlin-android/src/main/java/net/taler/common/Amount.kt
new file mode 100644
index 0000000..a36c0ab
--- /dev/null
+++ b/taler-kotlin-android/src/main/java/net/taler/common/Amount.kt
@@ -0,0 +1,199 @@
+/*
+ * 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.common
+
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.Serializer
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import kotlin.math.floor
+import kotlin.math.pow
+import kotlin.math.roundToInt
+
+public class AmountParserException(msg: String? = null, cause: Throwable? = null) : Exception(msg, cause)
+public class AmountOverflowException(msg: String? = null, cause: Throwable? = null) : Exception(msg, cause)
+
+@Serializable(with = KotlinXAmountSerializer::class)
+public data class Amount(
+ /**
+ * name of the currency using either a three-character ISO 4217 currency code,
+ * or a regional currency identifier starting with a "*" followed by at most 10 characters.
+ * ISO 4217 exponents in the name are not supported,
+ * although the "fraction" is corresponds to an ISO 4217 exponent of 6.
+ */
+ val currency: String,
+
+ /**
+ * The integer part may be at most 2^52.
+ * Note that "1" here would correspond to 1 EUR or 1 USD, depending on currency, not 1 cent.
+ */
+ val value: Long,
+
+ /**
+ * Unsigned 32 bit fractional value to be added to value representing
+ * an additional currency fraction, in units of one hundred millionth (1e-8)
+ * of the base currency value. For example, a fraction
+ * of 50_000_000 would correspond to 50 cents.
+ */
+ val fraction: Int
+) : Comparable<Amount> {
+
+ public companion object {
+
+ private const val FRACTIONAL_BASE: Int = 100000000 // 1e8
+
+ private val REGEX_CURRENCY = Regex("""^[-_*A-Za-z0-9]{1,12}$""")
+ public val MAX_VALUE: Long = 2.0.pow(52).toLong()
+ private const val MAX_FRACTION_LENGTH = 8
+ public const val MAX_FRACTION: Int = 99_999_999
+
+ public fun zero(currency: String): Amount {
+ return Amount(checkCurrency(currency), 0, 0)
+ }
+
+ public fun fromJSONString(str: String): Amount {
+ val split = str.split(":")
+ if (split.size != 2) throw AmountParserException("Invalid Amount Format")
+ return fromString(split[0], split[1])
+ }
+
+ public fun fromString(currency: String, str: String): Amount {
+ // value
+ val valueSplit = str.split(".")
+ val value = checkValue(valueSplit[0].toLongOrNull())
+ // fraction
+ val fraction: Int = if (valueSplit.size > 1) {
+ val fractionStr = valueSplit[1]
+ if (fractionStr.length > MAX_FRACTION_LENGTH)
+ throw AmountParserException("Fraction $fractionStr too long")
+ val fraction = "0.$fractionStr".toDoubleOrNull()
+ ?.times(FRACTIONAL_BASE)
+ ?.roundToInt()
+ checkFraction(fraction)
+ } else 0
+ return Amount(checkCurrency(currency), value, fraction)
+ }
+
+ public fun min(currency: String): Amount = Amount(currency, 0, 1)
+ public fun max(currency: String): Amount = Amount(currency, MAX_VALUE, MAX_FRACTION)
+
+
+ internal fun checkCurrency(currency: String): String {
+ if (!REGEX_CURRENCY.matches(currency))
+ throw AmountParserException("Invalid currency: $currency")
+ return currency
+ }
+
+ internal fun checkValue(value: Long?): Long {
+ if (value == null || value > MAX_VALUE)
+ throw AmountParserException("Value $value greater than $MAX_VALUE")
+ return value
+ }
+
+ internal fun checkFraction(fraction: Int?): Int {
+ if (fraction == null || fraction > MAX_FRACTION)
+ throw AmountParserException("Fraction $fraction greater than $MAX_FRACTION")
+ return fraction
+ }
+
+ }
+
+ public val amountStr: String
+ get() = if (fraction == 0) "$value" else {
+ var f = fraction
+ var fractionStr = ""
+ while (f > 0) {
+ fractionStr += f / (FRACTIONAL_BASE / 10)
+ f = (f * 10) % FRACTIONAL_BASE
+ }
+ "$value.$fractionStr"
+ }
+
+ public operator fun plus(other: Amount): Amount {
+ check(currency == other.currency) { "Can only subtract from same currency" }
+ val resultValue = value + other.value + floor((fraction + other.fraction).toDouble() / FRACTIONAL_BASE).toLong()
+ if (resultValue > MAX_VALUE)
+ throw AmountOverflowException()
+ val resultFraction = (fraction + other.fraction) % FRACTIONAL_BASE
+ return Amount(currency, resultValue, resultFraction)
+ }
+
+ public operator fun times(factor: Int): Amount {
+ // TODO consider replacing with a faster implementation
+ if (factor == 0) return zero(currency)
+ var result = this
+ for (i in 1 until factor) result += this
+ return result
+ }
+
+ public operator fun minus(other: Amount): Amount {
+ check(currency == other.currency) { "Can only subtract from same currency" }
+ var resultValue = value
+ var resultFraction = fraction
+ if (resultFraction < other.fraction) {
+ if (resultValue < 1L)
+ throw AmountOverflowException()
+ resultValue--
+ resultFraction += FRACTIONAL_BASE
+ }
+ check(resultFraction >= other.fraction)
+ resultFraction -= other.fraction
+ if (resultValue < other.value)
+ throw AmountOverflowException()
+ resultValue -= other.value
+ return Amount(currency, resultValue, resultFraction)
+ }
+
+ public fun isZero(): Boolean {
+ return value == 0L && fraction == 0
+ }
+
+ public fun toJSONString(): String {
+ return "$currency:$amountStr"
+ }
+
+ override fun toString(): String {
+ return "$amountStr $currency"
+ }
+
+ override fun compareTo(other: Amount): Int {
+ check(currency == other.currency) { "Can only compare amounts with the same currency" }
+ when {
+ value == other.value -> {
+ if (fraction < other.fraction) return -1
+ if (fraction > other.fraction) return 1
+ return 0
+ }
+ value < other.value -> return -1
+ else -> return 1
+ }
+ }
+
+}
+
+@Suppress("EXPERIMENTAL_API_USAGE")
+@Serializer(forClass = Amount::class)
+internal object KotlinXAmountSerializer : KSerializer<Amount> {
+ override fun serialize(encoder: Encoder, value: Amount) {
+ encoder.encodeString(value.toJSONString())
+ }
+
+ override fun deserialize(decoder: Decoder): Amount {
+ return Amount.fromJSONString(decoder.decodeString())
+ }
+}
diff --git a/taler-kotlin-android/src/main/java/net/taler/common/AndroidUtils.kt b/taler-kotlin-android/src/main/java/net/taler/common/AndroidUtils.kt
index 4ac2e73..d86e744 100644
--- a/taler-kotlin-android/src/main/java/net/taler/common/AndroidUtils.kt
+++ b/taler-kotlin-android/src/main/java/net/taler/common/AndroidUtils.kt
@@ -49,7 +49,6 @@ import androidx.navigation.fragment.findNavController
import com.github.pedrovgs.lynx.LynxActivity
import com.github.pedrovgs.lynx.LynxConfig
import net.taler.lib.android.ErrorBottomSheet
-import net.taler.lib.common.Version
fun View.fadeIn(endAction: () -> Unit = {}) {
if (visibility == VISIBLE && alpha == 1f) return
diff --git a/taler-kotlin-android/src/main/java/net/taler/common/ContractTerms.kt b/taler-kotlin-android/src/main/java/net/taler/common/ContractTerms.kt
index fb30692..910cc36 100644
--- a/taler-kotlin-android/src/main/java/net/taler/common/ContractTerms.kt
+++ b/taler-kotlin-android/src/main/java/net/taler/common/ContractTerms.kt
@@ -20,8 +20,6 @@ import android.os.Build
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable
import net.taler.common.TalerUtils.getLocalizedString
-import net.taler.lib.common.Amount
-import net.taler.lib.common.Timestamp
@Serializable
data class ContractTerms(
diff --git a/taler-kotlin-android/src/main/java/net/taler/common/TalerUri.kt b/taler-kotlin-android/src/main/java/net/taler/common/TalerUri.kt
new file mode 100644
index 0000000..a1b7225
--- /dev/null
+++ b/taler-kotlin-android/src/main/java/net/taler/common/TalerUri.kt
@@ -0,0 +1,62 @@
+/*
+ * 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.common
+
+import java.util.Locale
+
+public object TalerUri {
+
+ private const val SCHEME = "taler://"
+ private const val SCHEME_INSECURE = "taler+http://"
+ private const val AUTHORITY_PAY = "pay"
+ private const val AUTHORITY_WITHDRAW = "withdraw"
+ private const val AUTHORITY_REFUND = "refund"
+ private const val AUTHORITY_TIP = "tip"
+
+ public data class WithdrawUriResult(
+ val bankIntegrationApiBaseUrl: String,
+ val withdrawalOperationId: String
+ )
+
+ /**
+ * Parses a withdraw URI and returns a bank status URL or null if the URI was invalid.
+ */
+ public fun parseWithdrawUri(uri: String): WithdrawUriResult? {
+ val (resultScheme, prefix) = when {
+ uri.startsWith(SCHEME, ignoreCase = true) -> {
+ Pair("https://", "${SCHEME}${AUTHORITY_WITHDRAW}/")
+ }
+ uri.startsWith(SCHEME_INSECURE, ignoreCase = true) -> {
+ Pair("http://", "${SCHEME_INSECURE}${AUTHORITY_WITHDRAW}/")
+ }
+ else -> return null
+ }
+ if (!uri.startsWith(prefix)) return null
+ val parts = uri.let {
+ (if (it.endsWith("/")) it.dropLast(1) else it).substring(prefix.length).split('/')
+ }
+ if (parts.size < 2) return null
+ val host = parts[0].lowercase(Locale.ROOT)
+ val pathSegments = parts.slice(1 until parts.size - 1).joinToString("/")
+ val withdrawId = parts.last()
+ if (withdrawId.isBlank()) return null
+ val url = "${resultScheme}${host}/${pathSegments}"
+
+ return WithdrawUriResult(url, withdrawId)
+ }
+
+}
diff --git a/taler-kotlin-android/src/main/java/net/taler/common/Time.kt b/taler-kotlin-android/src/main/java/net/taler/common/Time.kt
new file mode 100644
index 0000000..61bbce8
--- /dev/null
+++ b/taler-kotlin-android/src/main/java/net/taler/common/Time.kt
@@ -0,0 +1,129 @@
+/*
+ * 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.common
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.json.JsonElement
+import kotlinx.serialization.json.JsonPrimitive
+import kotlinx.serialization.json.JsonTransformingSerializer
+import kotlinx.serialization.json.contentOrNull
+import kotlinx.serialization.json.jsonPrimitive
+import kotlinx.serialization.json.longOrNull
+import kotlin.math.max
+
+@Serializable
+data class Timestamp(
+ @SerialName("t_ms")
+ @Serializable(NeverSerializer::class)
+ val old_ms: Long? = null,
+ @SerialName("t_s")
+ @Serializable(NeverSerializer::class)
+ private val s: Long? = null,
+) : Comparable<Timestamp> {
+
+ constructor(ms: Long) : this(ms, null)
+
+ companion object {
+ private const val NEVER: Long = -1
+ fun now(): Timestamp = Timestamp(System.currentTimeMillis())
+ fun never(): Timestamp = Timestamp(NEVER)
+ }
+
+ val ms: Long = if (s != null) {
+ s * 1000L
+ } else if (old_ms !== null) {
+ old_ms
+ } else {
+ throw Exception("timestamp didn't have t_s or t_ms")
+ }
+
+
+ /**
+ * Returns a copy of this [Timestamp] rounded to seconds.
+ */
+ fun truncateSeconds(): Timestamp {
+ if (ms == NEVER) return Timestamp(ms)
+ return Timestamp((ms / 1000L) * 1000L)
+ }
+
+ operator fun minus(other: Timestamp): Duration = when {
+ ms == NEVER -> Duration(Duration.FOREVER)
+ other.ms == NEVER -> throw Error("Invalid argument for timestamp comparision")
+ ms < other.ms -> Duration(0)
+ else -> Duration(ms - other.ms)
+ }
+
+ operator fun minus(other: Duration): Timestamp = when {
+ ms == NEVER -> this
+ other.ms == Duration.FOREVER -> Timestamp(0)
+ else -> Timestamp(max(0, ms - other.ms))
+ }
+
+ override fun compareTo(other: Timestamp): Int {
+ return if (ms == NEVER) {
+ if (other.ms == NEVER) 0
+ else 1
+ } else {
+ if (other.ms == NEVER) -1
+ else ms.compareTo(other.ms)
+ }
+ }
+
+}
+
+@Serializable
+data class Duration(
+ @SerialName("d_ms")
+ @Serializable(ForeverSerializer::class) val old_ms: Long? = null,
+ @SerialName("d_s")
+ @Serializable(ForeverSerializer::class)
+ private val s: Long? = null,
+) {
+ val ms: Long = if (s != null) {
+ s * 1000L
+ } else if (old_ms !== null) {
+ old_ms
+ } else {
+ throw Exception("duration didn't have d_s or d_ms")
+ }
+
+ constructor(ms: Long) : this(ms, null)
+
+ companion object {
+ internal const val FOREVER: Long = -1
+ fun forever(): Duration = Duration(FOREVER)
+ }
+}
+
+internal abstract class MinusOneSerializer(private val keyword: String) :
+ JsonTransformingSerializer<Long>(Long.serializer()) {
+
+ override fun transformDeserialize(element: JsonElement): JsonElement {
+ return if (element.jsonPrimitive.contentOrNull == keyword) return JsonPrimitive(-1)
+ else super.transformDeserialize(element)
+ }
+
+ override fun transformSerialize(element: JsonElement): JsonElement {
+ return if (element.jsonPrimitive.longOrNull == -1L) return JsonPrimitive(keyword)
+ else element
+ }
+}
+
+internal object NeverSerializer : MinusOneSerializer("never")
+internal object ForeverSerializer : MinusOneSerializer("forever")
diff --git a/taler-kotlin-android/src/main/java/net/taler/common/Version.kt b/taler-kotlin-android/src/main/java/net/taler/common/Version.kt
new file mode 100644
index 0000000..f46913e
--- /dev/null
+++ b/taler-kotlin-android/src/main/java/net/taler/common/Version.kt
@@ -0,0 +1,70 @@
+/*
+ * 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.common
+
+import kotlin.math.sign
+
+/**
+ * Semantic versioning, but libtool-style.
+ * See https://www.gnu.org/software/libtool/manual/html_node/Libtool-versioning.html
+ */
+public data class Version(
+ val current: Int,
+ val revision: Int,
+ val age: Int
+) {
+ public companion object {
+ public fun parse(v: String): Version? {
+ val elements = v.split(":")
+ if (elements.size != 3) return null
+ val (currentStr, revisionStr, ageStr) = elements
+ val current = currentStr.toIntOrNull()
+ val revision = revisionStr.toIntOrNull()
+ val age = ageStr.toIntOrNull()
+ if (current == null || revision == null || age == null) return null
+ return Version(current, revision, age)
+ }
+ }
+
+ /**
+ * Compare two libtool-style versions.
+ *
+ * Returns a [VersionMatchResult] or null if the given version was null.
+ */
+ public fun compare(other: Version?): VersionMatchResult? {
+ if (other == null) return null
+ val compatible = current - age <= other.current &&
+ current >= other.current - other.age
+ val currentCmp = sign((current - other.current).toDouble()).toInt()
+ return VersionMatchResult(compatible, currentCmp)
+ }
+
+ /**
+ * Result of comparing two libtool versions.
+ */
+ public data class VersionMatchResult(
+ /**
+ * Is the first version compatible with the second?
+ */
+ val compatible: Boolean,
+ /**
+ * Is the first version older (-1), newer (+1) or identical (0)?
+ */
+ val currentCmp: Int
+ )
+
+}
diff --git a/taler-kotlin-android/src/test/java/net/taler/common/AmountTest.kt b/taler-kotlin-android/src/test/java/net/taler/common/AmountTest.kt
new file mode 100644
index 0000000..3343b52
--- /dev/null
+++ b/taler-kotlin-android/src/test/java/net/taler/common/AmountTest.kt
@@ -0,0 +1,221 @@
+/*
+ * 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.common
+
+import kotlin.random.Random
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertTrue
+import org.junit.Assert.assertFalse
+import org.junit.Test
+
+class AmountTest {
+
+ companion object {
+ fun getRandomAmount() = getRandomAmount(getRandomString(1, Random.nextInt(1, 12)))
+ fun getRandomAmount(currency: String): Amount {
+ val value = Random.nextLong(0, Amount.MAX_VALUE)
+ val fraction = Random.nextInt(0, Amount.MAX_FRACTION)
+ return Amount(currency, value, fraction)
+ }
+ }
+
+ @Test
+ fun testFromJSONString() {
+ var str = "TESTKUDOS:23.42"
+ var amount = Amount.fromJSONString(str)
+ assertEquals(str, amount.toJSONString())
+ assertEquals("TESTKUDOS", amount.currency)
+ assertEquals(23, amount.value)
+ assertEquals((0.42 * 1e8).toInt(), amount.fraction)
+ assertEquals("23.42 TESTKUDOS", amount.toString())
+
+ str = "EUR:500000000.00000001"
+ amount = Amount.fromJSONString(str)
+ assertEquals(str, amount.toJSONString())
+ assertEquals("EUR", amount.currency)
+ assertEquals(500000000, amount.value)
+ assertEquals(1, amount.fraction)
+ assertEquals("500000000.00000001 EUR", amount.toString())
+
+ str = "EUR:1500000000.00000003"
+ amount = Amount.fromJSONString(str)
+ assertEquals(str, amount.toJSONString())
+ assertEquals("EUR", amount.currency)
+ assertEquals(1500000000, amount.value)
+ assertEquals(3, amount.fraction)
+ assertEquals("1500000000.00000003 EUR", amount.toString())
+ }
+
+ @Test
+ fun testFromJSONStringAcceptsMaxValuesRejectsAbove() {
+ val maxValue = 4503599627370496
+ val str = "TESTKUDOS123:$maxValue.99999999"
+ val amount = Amount.fromJSONString(str)
+ assertEquals(str, amount.toJSONString())
+ assertEquals("TESTKUDOS123", amount.currency)
+ assertEquals(maxValue, amount.value)
+ assertEquals("$maxValue.99999999 TESTKUDOS123", amount.toString())
+
+ // longer currency not accepted
+ assertThrows<AmountParserException>("longer currency was accepted") {
+ Amount.fromJSONString("TESTKUDOS1234:$maxValue.99999999")
+ }
+
+ // max value + 1 not accepted
+ assertThrows<AmountParserException>("max value + 1 was accepted") {
+ Amount.fromJSONString("TESTKUDOS123:${maxValue + 1}.99999999")
+ }
+
+ // max fraction + 1 not accepted
+ assertThrows<AmountParserException>("max fraction + 1 was accepted") {
+ Amount.fromJSONString("TESTKUDOS123:$maxValue.999999990")
+ }
+ }
+
+ @Test
+ fun testFromJSONStringRejections() {
+ assertThrows<AmountParserException> {
+ Amount.fromJSONString("TESTKUDOS:0,5")
+ }
+ assertThrows<AmountParserException> {
+ Amount.fromJSONString("+TESTKUDOS:0.5")
+ }
+ assertThrows<AmountParserException> {
+ Amount.fromJSONString("0.5")
+ }
+ assertThrows<AmountParserException> {
+ Amount.fromJSONString(":0.5")
+ }
+ assertThrows<AmountParserException> {
+ Amount.fromJSONString("EUR::0.5")
+ }
+ assertThrows<AmountParserException> {
+ Amount.fromJSONString("EUR:.5")
+ }
+ }
+
+ @Test
+ fun testAddition() {
+ assertEquals(
+ Amount.fromJSONString("EUR:2"),
+ Amount.fromJSONString("EUR:1") + Amount.fromJSONString("EUR:1")
+ )
+ assertEquals(
+ Amount.fromJSONString("EUR:3"),
+ Amount.fromJSONString("EUR:1.5") + Amount.fromJSONString("EUR:1.5")
+ )
+ assertEquals(
+ Amount.fromJSONString("EUR:500000000.00000002"),
+ Amount.fromJSONString("EUR:500000000.00000001") + Amount.fromJSONString("EUR:0.00000001")
+ )
+ assertThrows<AmountOverflowException>("addition didn't overflow") {
+ Amount.fromJSONString("EUR:4503599627370496.99999999") + Amount.fromJSONString("EUR:0.00000001")
+ }
+ assertThrows<AmountOverflowException>("addition didn't overflow") {
+ Amount.fromJSONString("EUR:4000000000000000") + Amount.fromJSONString("EUR:4000000000000000")
+ }
+ }
+
+ @Test
+ fun testTimes() {
+ assertEquals(
+ Amount.fromJSONString("EUR:2"),
+ Amount.fromJSONString("EUR:2") * 1
+ )
+ assertEquals(
+ Amount.fromJSONString("EUR:2"),
+ Amount.fromJSONString("EUR:1") * 2
+ )
+ assertEquals(
+ Amount.fromJSONString("EUR:4.5"),
+ Amount.fromJSONString("EUR:1.5") * 3
+ )
+ assertEquals(Amount.fromJSONString("EUR:0"), Amount.fromJSONString("EUR:1.11") * 0)
+ assertEquals(Amount.fromJSONString("EUR:1.11"), Amount.fromJSONString("EUR:1.11") * 1)
+ assertEquals(Amount.fromJSONString("EUR:2.22"), Amount.fromJSONString("EUR:1.11") * 2)
+ assertEquals(Amount.fromJSONString("EUR:3.33"), Amount.fromJSONString("EUR:1.11") * 3)
+ assertEquals(Amount.fromJSONString("EUR:4.44"), Amount.fromJSONString("EUR:1.11") * 4)
+ assertEquals(Amount.fromJSONString("EUR:5.55"), Amount.fromJSONString("EUR:1.11") * 5)
+ assertEquals(
+ Amount.fromJSONString("EUR:1500000000.00000003"),
+ Amount.fromJSONString("EUR:500000000.00000001") * 3
+ )
+ assertThrows<AmountOverflowException>("times didn't overflow") {
+ Amount.fromJSONString("EUR:4000000000000000") * 2
+ }
+ }
+
+ @Test
+ fun testSubtraction() {
+ assertEquals(
+ Amount.fromJSONString("EUR:0"),
+ Amount.fromJSONString("EUR:1") - Amount.fromJSONString("EUR:1")
+ )
+ assertEquals(
+ Amount.fromJSONString("EUR:1.5"),
+ Amount.fromJSONString("EUR:3") - Amount.fromJSONString("EUR:1.5")
+ )
+ assertEquals(
+ Amount.fromJSONString("EUR:500000000.00000001"),
+ Amount.fromJSONString("EUR:500000000.00000002") - Amount.fromJSONString("EUR:0.00000001")
+ )
+ assertThrows<AmountOverflowException>("subtraction didn't underflow") {
+ Amount.fromJSONString("EUR:23.42") - Amount.fromJSONString("EUR:42.23")
+ }
+ assertThrows<AmountOverflowException>("subtraction didn't underflow") {
+ Amount.fromJSONString("EUR:0.5") - Amount.fromJSONString("EUR:0.50000001")
+ }
+ }
+
+ @Test
+ fun testIsZero() {
+ assertTrue(Amount.zero("EUR").isZero())
+ assertTrue(Amount.fromJSONString("EUR:0").isZero())
+ assertTrue(Amount.fromJSONString("EUR:0.0").isZero())
+ assertTrue(Amount.fromJSONString("EUR:0.00000").isZero())
+ assertTrue((Amount.fromJSONString("EUR:1.001") - Amount.fromJSONString("EUR:1.001")).isZero())
+
+ assertFalse(Amount.fromJSONString("EUR:0.00000001").isZero())
+ assertFalse(Amount.fromJSONString("EUR:1.0").isZero())
+ assertFalse(Amount.fromJSONString("EUR:0001.0").isZero())
+ }
+
+ @Test
+ fun testComparision() {
+ assertTrue(Amount.fromJSONString("EUR:0") <= Amount.fromJSONString("EUR:0"))
+ assertTrue(Amount.fromJSONString("EUR:0") <= Amount.fromJSONString("EUR:0.00000001"))
+ assertTrue(Amount.fromJSONString("EUR:0") < Amount.fromJSONString("EUR:0.00000001"))
+ assertTrue(Amount.fromJSONString("EUR:0") < Amount.fromJSONString("EUR:1"))
+ assertEquals(Amount.fromJSONString("EUR:0"), Amount.fromJSONString("EUR:0"))
+ assertEquals(Amount.fromJSONString("EUR:42"), Amount.fromJSONString("EUR:42"))
+ assertEquals(
+ Amount.fromJSONString("EUR:42.00000001"),
+ Amount.fromJSONString("EUR:42.00000001")
+ )
+ assertTrue(Amount.fromJSONString("EUR:42.00000001") >= Amount.fromJSONString("EUR:42.00000001"))
+ assertTrue(Amount.fromJSONString("EUR:42.00000002") >= Amount.fromJSONString("EUR:42.00000001"))
+ assertTrue(Amount.fromJSONString("EUR:42.00000002") > Amount.fromJSONString("EUR:42.00000001"))
+ assertTrue(Amount.fromJSONString("EUR:0.00000002") > Amount.fromJSONString("EUR:0.00000001"))
+ assertTrue(Amount.fromJSONString("EUR:0.00000001") > Amount.fromJSONString("EUR:0"))
+ assertTrue(Amount.fromJSONString("EUR:2") > Amount.fromJSONString("EUR:1"))
+
+ assertThrows<IllegalStateException>("could compare amounts with different currencies") {
+ Amount.fromJSONString("EUR:0.5") < Amount.fromJSONString("USD:0.50000001")
+ }
+ }
+
+}
diff --git a/taler-kotlin-android/src/test/java/net/taler/common/ContractTermsTest.kt b/taler-kotlin-android/src/test/java/net/taler/common/ContractTermsTest.kt
index 3a2cdb4..f7b83a9 100644
--- a/taler-kotlin-android/src/test/java/net/taler/common/ContractTermsTest.kt
+++ b/taler-kotlin-android/src/test/java/net/taler/common/ContractTermsTest.kt
@@ -18,7 +18,6 @@ package net.taler.common
import kotlinx.serialization.decodeFromString
import kotlinx.serialization.json.Json
-import net.taler.lib.common.Timestamp
import org.junit.Assert.assertEquals
import org.junit.Test
diff --git a/taler-kotlin-android/src/test/java/net/taler/common/TalerUriTest.kt b/taler-kotlin-android/src/test/java/net/taler/common/TalerUriTest.kt
new file mode 100644
index 0000000..128f707
--- /dev/null
+++ b/taler-kotlin-android/src/test/java/net/taler/common/TalerUriTest.kt
@@ -0,0 +1,65 @@
+/*
+ * 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.common
+
+import net.taler.common.TalerUri.parseWithdrawUri
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Test
+
+class TalerUriTest {
+
+ @Test
+ fun testParseWithdrawUri() {
+ // correct parsing
+ var uri = "taler://withdraw/bank.example.com/12345"
+ var expected = TalerUri.WithdrawUriResult("https://bank.example.com/", "12345")
+ assertEquals(expected, parseWithdrawUri(uri))
+
+ // correct parsing with insecure http
+ uri = "taler+http://withdraw/bank.example.org/foo"
+ expected = TalerUri.WithdrawUriResult("http://bank.example.org/", "foo")
+ assertEquals(expected, parseWithdrawUri(uri))
+
+ // correct parsing with long path
+ uri = "taler://withdraw/bank.example.com/foo/bar/23/42/1337/1234567890"
+ expected =
+ TalerUri.WithdrawUriResult("https://bank.example.com/foo/bar/23/42/1337", "1234567890")
+ assertEquals(expected, parseWithdrawUri(uri))
+
+ // rejects incorrect scheme
+ uri = "talerx://withdraw/bank.example.com/12345"
+ assertNull(parseWithdrawUri(uri))
+
+ // rejects incorrect authority
+ uri = "taler://withdrawx/bank.example.com/12345"
+ assertNull(parseWithdrawUri(uri))
+
+ // rejects incorrect authority with insecure http
+ uri = "taler+http://withdrawx/bank.example.com/12345"
+ assertNull(parseWithdrawUri(uri))
+
+ // rejects empty withdrawalId
+ uri = "taler://withdraw/bank.example.com//"
+ assertNull(parseWithdrawUri(uri))
+
+ // rejects empty path and withdrawalId
+ uri = "taler://withdraw/bank.example.com////"
+ assertNull(parseWithdrawUri(uri))
+ }
+
+}
diff --git a/taler-kotlin-android/src/test/java/net/taler/common/TestUtils.kt b/taler-kotlin-android/src/test/java/net/taler/common/TestUtils.kt
new file mode 100644
index 0000000..b0f191d
--- /dev/null
+++ b/taler-kotlin-android/src/test/java/net/taler/common/TestUtils.kt
@@ -0,0 +1,40 @@
+/*
+ * 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.common
+
+import kotlin.random.Random
+import org.junit.Assert.assertTrue
+import org.junit.Assert.fail
+
+private val charPool: List<Char> = ('a'..'z') + ('A'..'Z') + ('0'..'9')
+fun getRandomString(minLength: Int = 1, maxLength: Int = Random.nextInt(0, 1337)) =
+ (minLength..maxLength)
+ .map { Random.nextInt(0, charPool.size) }
+ .map(charPool::get)
+ .joinToString("")
+
+inline fun <reified T : Throwable> assertThrows(
+ msg: String? = null,
+ function: () -> Any
+) {
+ try {
+ function.invoke()
+ fail(msg)
+ } catch (e: Exception) {
+ assertTrue(e is T)
+ }
+}
diff --git a/taler-kotlin-android/src/test/java/net/taler/common/TimeTest.kt b/taler-kotlin-android/src/test/java/net/taler/common/TimeTest.kt
new file mode 100644
index 0000000..beda621
--- /dev/null
+++ b/taler-kotlin-android/src/test/java/net/taler/common/TimeTest.kt
@@ -0,0 +1,46 @@
+/*
+ * 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.common
+
+import kotlinx.serialization.json.Json.Default.decodeFromString
+import kotlinx.serialization.json.Json.Default.encodeToString
+import kotlin.random.Random
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+// TODO test other functionality of Timestamp and Duration
+class TimeTest {
+
+ @Test
+ fun testSerialize() {
+ for (i in 0 until 42) {
+ val t = Random.nextLong()
+ assertEquals("""{"t_ms":$t}""", encodeToString(Timestamp.serializer(), Timestamp(t)))
+ }
+ assertEquals("""{"t_ms":"never"}""", encodeToString(Timestamp.serializer(), Timestamp.never()))
+ }
+
+ @Test
+ fun testDeserialize() {
+ for (i in 0 until 42) {
+ val t = Random.nextLong()
+ assertEquals(Timestamp(t), decodeFromString(Timestamp.serializer(), """{ "t_ms": $t }"""))
+ }
+ assertEquals(Timestamp.never(), decodeFromString(Timestamp.serializer(), """{ "t_ms": "never" }"""))
+ }
+
+}
diff --git a/taler-kotlin-android/src/test/java/net/taler/common/VersionTest.kt b/taler-kotlin-android/src/test/java/net/taler/common/VersionTest.kt
new file mode 100644
index 0000000..d8d7149
--- /dev/null
+++ b/taler-kotlin-android/src/test/java/net/taler/common/VersionTest.kt
@@ -0,0 +1,65 @@
+/*
+ * 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.common
+import org.junit.Assert.assertEquals
+import org.junit.Assert.assertNull
+import org.junit.Test
+
+
+class VersionTest {
+
+ @Test
+ fun testParse() {
+ assertNull(Version.parse(""))
+ assertNull(Version.parse("foo"))
+ assertNull(Version.parse("foo:bar:foo"))
+ assertNull(Version.parse("0:0:0:"))
+ assertNull(Version.parse("0:0:"))
+ assertEquals(Version(0, 0, 0), Version.parse("0:0:0"))
+ assertEquals(Version(1, 2, 3), Version.parse("1:2:3"))
+ assertEquals(Version(1337, 42, 23), Version.parse("1337:42:23"))
+ }
+
+ @Test
+ fun testComparision() {
+ assertEquals(
+ Version.VersionMatchResult(true, 0),
+ Version.parse("0:0:0")!!.compare(Version.parse("0:0:0"))
+ )
+ assertEquals(
+ Version.VersionMatchResult(true, -1),
+ Version.parse("0:0:0")!!.compare(Version.parse("1:0:1"))
+ )
+ assertEquals(
+ Version.VersionMatchResult(true, -1),
+ Version.parse("0:0:0")!!.compare(Version.parse("1:5:1"))
+ )
+ assertEquals(
+ Version.VersionMatchResult(false, -1),
+ Version.parse("0:0:0")!!.compare(Version.parse("1:5:0"))
+ )
+ assertEquals(
+ Version.VersionMatchResult(false, 1),
+ Version.parse("1:0:0")!!.compare(Version.parse("0:5:0"))
+ )
+ assertEquals(
+ Version.VersionMatchResult(true, 0),
+ Version.parse("1:0:1")!!.compare(Version.parse("1:5:1"))
+ )
+ }
+
+}