Best Kotest code snippet using io.kotest.property.arbitrary.dates.Arb.Companion.localDate
dates.kt
Source:dates.kt
1package io.kotest.property.arbitrary2import io.kotest.property.Arb3import java.time.Instant4import java.time.LocalDate5import java.time.LocalDateTime6import java.time.LocalTime7import java.time.Period8import java.time.Year.isLeap9import java.time.YearMonth10import java.time.temporal.ChronoUnit11import java.time.temporal.TemporalQueries.localDate12import java.time.temporal.TemporalQueries.localTime13import kotlin.random.Random14/**15 * Arberates a random [Period]s.16 *17 * This generator creates randomly generated Periods, with years less than or equal to [maxYear].18 *19 * If [maxYear] is 0, only random months and days will be generated.20 *21 * Months will always be in range [0..11]22 * Days will always be in range [0..31]23 */24fun Arb.Companion.period(maxYear: Int = 10): Arb<Period> = arbitrary(listOf(Period.ZERO)) {25 Period.of(26 (0..maxYear).random(it.random),27 (0..11).random(it.random),28 (0..31).random(it.random)29 )30}31fun Arb.Companion.localDate() = Arb.Companion.localDate(LocalDate.of(1970, 1, 1), LocalDate.of(2030, 12, 31))32/**33 * Arberates a stream of random LocalDates34 *35 * This generator creates randomly generated LocalDates, in the range [[minDate, maxDate]].36 *37 * If any of the years in the range contain a leap year, the date [29/02/YEAR] will always be a constant value of this38 * generator.39 *40 * @see [localDateTime]41 * @see [localTime]42 */43fun Arb.Companion.localDate(44 minDate: LocalDate = LocalDate.of(1970, 1, 1),45 maxDate: LocalDate = LocalDate.of(2030, 12, 31)46): Arb<LocalDate> {47 val leapYears = (minDate.year..maxDate.year).filter { isLeap(it.toLong()) }48 val february28s = leapYears.map { LocalDate.of(it, 2, 28) }49 val february29s = february28s.map { it.plusDays(1) }50 return arbitrary(february28s + february29s + minDate + maxDate) {51 minDate.plusDays(it.random.nextLong(ChronoUnit.DAYS.between(minDate, maxDate)))52 }.filter { it in minDate..maxDate }53}54/**55 * Arberates a stream of random LocalTimes56 *57 * This generator creates randomly generated LocalTimes.58 *59 * @see [localDateTime]60 * @see [localDate]61 */62fun Arb.Companion.localTime(): Arb<LocalTime> = arbitrary(listOf(LocalTime.of(23, 59, 59), LocalTime.of(0, 0, 0))) {63 LocalTime.of(it.random.nextInt(24), it.random.nextInt(60), it.random.nextInt(60))64}65/**66 * Arberates a stream of random LocalDateTimes67 *68 * This generator creates randomly generated LocalDates, in the range [[minYear, maxYear]].69 *70 * If any of the years in the range contain a leap year, the date [29/02/YEAR] will always be a constant value of this71 * generator.72 *73 * @see [localDateTime]74 * @see [localTime]75 */76fun Arb.Companion.localDateTime(77 minYear: Int? = null,78 maxYear: Int79): Arb<LocalDateTime> {80 return localDateTime(minYear ?: 1970, maxYear)81}82/**83 * Arberates a stream of random LocalDateTimes84 *85 * This generator creates randomly generated LocalDates, in the range [[minYear, maxYear]].86 *87 * If any of the years in the range contain a leap year, the date [29/02/YEAR] will always be a constant value of this88 * generator.89 *90 * @see [localDateTime]91 * @see [localTime]92 */93fun Arb.Companion.localDateTime(94 minYear: Int,95 maxYear: Int? = null96): Arb<LocalDateTime> {97 return localDateTime(minYear, maxYear ?: 2030)98}99/**100 * Arberates a stream of random LocalDateTimes101 *102 * This generator creates randomly generated LocalDates, in the range [[minYear, maxYear]].103 *104 * If any of the years in the range contain a leap year, the date [29/02/YEAR] will always be a constant value of this105 * generator.106 *107 * @see [localDateTime]108 * @see [localTime]109 */110fun Arb.Companion.localDateTime(111 minYear: Int,112 maxYear: Int113): Arb<LocalDateTime> {114 return localDateTime(115 minLocalDateTime = LocalDateTime.of(minYear, 1, 1, 0, 0),116 maxLocalDateTime = LocalDateTime.of(maxYear, 12, 31, 23, 59)117 )118}119/**120 * Arberates a stream of random LocalDateTimes121 *122 * This generator creates randomly generated LocalDates, in the range [[minLocalDateTime, maxLocalDateTime]].123 *124 * If any of the years in the range contain a leap year, the date [29/02/YEAR] will always be a constant value of this125 * generator.126 *127 * @see [localDateTime]128 * @see [localTime]129 */130fun Arb.Companion.localDateTime(131 minLocalDateTime: LocalDateTime = LocalDateTime.of(1970, 1, 1, 0, 0),132 maxLocalDateTime: LocalDateTime = LocalDateTime.of(2030, 12, 31, 23, 59)133): Arb<LocalDateTime> {134 return arbitrary(135 edgecaseFn = {136 generateSequence {137 val date = localDate(minLocalDateTime.toLocalDate(), maxLocalDateTime.toLocalDate()).edgecase(it)138 val time = localTime().edgecase(it)139 if (date == null || time == null) null else date.atTime(time)140 }.find { !it.isBefore(minLocalDateTime) && !it.isAfter(maxLocalDateTime) }141 },142 sampleFn = {143 generateSequence {144 val date = localDate(minLocalDateTime.toLocalDate(), maxLocalDateTime.toLocalDate()).single(it)145 val time = localTime().single(it)146 date.atTime(time)147 }.first { !it.isBefore(minLocalDateTime) && !it.isAfter(maxLocalDateTime) }148 }149 )150}151/**152 * Arberates a stream of random YearMonth153 *154 * If any of the years in the range contain a leap year, the date [02/YEAR] will always be a constant value of this155 * generator.156 *157 * This generator creates randomly generated YearMonth, in the range [[minYearMonth, maxYearMonth]].158 *159 * @see [yearMonth]160 */161fun Arb.Companion.yearMonth(162 minYearMonth: YearMonth = YearMonth.of(1970, 1),163 maxYearMonth: YearMonth = YearMonth.of(2030, 12)164): Arb<YearMonth> {165 val leapYears = (minYearMonth.year..maxYearMonth.year).filter { isLeap(it.toLong()) }166 val february = leapYears.map { YearMonth.of(it, 2) }167 return arbitrary(february + minYearMonth + maxYearMonth) {168 minYearMonth.plusMonths(it.random.nextLong(ChronoUnit.MONTHS.between(minYearMonth, maxYearMonth)))169 }.filter { it in minYearMonth..maxYearMonth }170}171typealias InstantRange = ClosedRange<Instant>172fun InstantRange.random(random: Random): Instant {173 try {174 val seconds = (start.epochSecond..endInclusive.epochSecond).random(random)175 val nanos = when {176 seconds == start.epochSecond && seconds == endInclusive.epochSecond -> start.nano..endInclusive.nano177 seconds == start.epochSecond -> start.nano..999_999_999178 seconds == endInclusive.epochSecond -> 0..endInclusive.nano179 else -> 0..999_999_999180 }.random(random)181 return Instant.ofEpochSecond(seconds, nanos.toLong())182 } catch (e: IllegalArgumentException) {183 throw NoSuchElementException(e.message)184 }185}186/**187 * Arberates a stream of random [Instant]188 */189fun Arb.Companion.instant(range: InstantRange): Arb<Instant> =190 arbitrary(listOf(range.start, range.endInclusive)) {191 range.random(it.random)192 }193/**194 * Arberates a stream of random [Instant]195 */196fun Arb.Companion.instant(197 minValue: Instant = Instant.MIN,198 maxValue: Instant = Instant.MAX199) = instant(minValue..maxValue)...
Arb.Companion.localDate
Using AI Code Generation
1val arbLocalDate = localDate()2val arbLocalDateTime = localDateTime()3val arbLocalTime = localTime()4val arbMonth = month()5val arbMonthDay = monthDay()6val arbOffsetDateTime = offsetDateTime()7val arbOffsetTime = offsetTime()8val arbPeriod = period()9val arbYear = year()10val arbYearMonth = yearMonth()11val arbZoneId = zoneId()12val arbZoneOffset = zoneOffset()13val arbZonedDateTime = zonedDateTime()14val arbBigDecimal = bigDecimal()15val arbBigDecimal = bigDecimal(minScale = 10, maxScale = 20, min = 100.0, max = 200.0)16val arbBigDecimal = bigDecimal(minScale = 10, maxScale = 20, min = 100.0, max = 200.0, precision = 100)
Arb.Companion.localDate
Using AI Code Generation
1import io.kotest.core.spec.style.StringSpec2import io.kotest.matchers.shouldBe3import io.kotest.property.Arb4import io.kotest.property.arbitrary.dates5import java.time.LocalDate6class MyTest : StringSpec({7 "localDate should return a valid date" {8 val localDate = Arb.localDate().next()9 localDate shouldBe LocalDate.ofEpochDay(localDate.toEpochDay())10 }11})12import io.kotest.core.spec.style.StringSpec13import io.kotest.matchers.shouldBe14import io.kotest.property.Arb15import io.kotest.property.arbitrary.dates16import java.time.LocalDateTime17class MyTest : StringSpec({18 "localDateTime should return a valid date" {19 val localDateTime = Arb.localDateTime().next()20 localDateTime shouldBe LocalDateTime.ofEpochSecond(localDateTime.toEpochSecond(ZoneOffset.UTC), localDateTime.nano, ZoneOffset.UTC)21 }22})23import io.kotest.core.spec.style.StringSpec24import io.kotest.matchers.shouldBe25import io.kotest.property.Arb26import io.kotest.property.arbitrary.dates27import java.time.LocalTime28class MyTest : StringSpec({29 "localTime should return a valid date" {30 val localTime = Arb.localTime().next()31 localTime shouldBe LocalTime.ofNanoOfDay(localTime.toNanoOfDay())32 }33})34import io.kotest.core.spec.style.StringSpec35import io.kotest.matchers.shouldBe36import io.kotest.property.Arb37import io.kotest.property.arbitrary.dates38import java.time.MonthDay39class MyTest : StringSpec({40 "monthDay should return a valid date" {41 val monthDay = Arb.monthDay().next()42 monthDay shouldBe MonthDay.of(monthDay.month, monthDay.dayOfMonth)43 }44})45import io.kotest.core.spec.style.StringSpec46import io.k
Arb.Companion.localDate
Using AI Code Generation
1 val date = Arb.localDate().next()2 println(date)3 }4 fun testLocalTime() {5 val time = Arb.localTime().next()6 println(time)7 }8 fun testLocalDateTime() {9 val dateTime = Arb.localDateTime().next()10 println(dateTime)11 }12 fun testMonthDay() {13 val monthDay = Arb.monthDay().next()14 println(monthDay)15 }16 fun testOffsetDateTime() {17 val offsetDateTime = Arb.offsetDateTime().next()18 println(offsetDateTime)19 }20 fun testOffsetTime() {21 val offsetTime = Arb.offsetTime().next()22 println(offsetTime)23 }24 fun testPeriod() {25 val period = Arb.period().next()26 println(period)27 }28 fun testYearMonth() {29 val yearMonth = Arb.yearMonth().next()30 println(yearMonth)31 }32 fun testZonedDateTime() {33 val zonedDateTime = Arb.zonedDateTime().next()34 println(zonedDateTime)35 }36 fun testZoneId() {37 val zoneId = Arb.zoneId().next()38 println(zoneId)39 }40 fun testZoneOffset() {
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