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How to use increasing class of io.kotest.matchers.collections package

Best Kotest code snippet using io.kotest.matchers.collections.increasing

CollectionMatchersTest.kt

Source:CollectionMatchersTest.kt

...200            items.shouldNotBeSortedBy { it.second }201         }202      }203      "shouldBeIncreasing" should {204         "test that a collection is monotonically increasing" {205            listOf(1, 2, 2, 3) shouldBe monotonicallyIncreasing<Int>()206            listOf(6, 5) shouldNotBe monotonicallyIncreasing<Int>()207            listOf(1, 2, 2, 3).shouldBeMonotonicallyIncreasing()208            listOf(6, 5).shouldNotBeMonotonicallyIncreasing()209         }210         "test that a collection is monotonically increasing according to comparator" {211            val comparator = Comparator(desc)212            listOf(3, 2, 2, 1) shouldBe monotonicallyIncreasingWith(comparator)213            listOf(5, 6) shouldNotBe monotonicallyIncreasingWith(comparator)214            listOf(3, 2, 2, 1).shouldBeMonotonicallyIncreasingWith(comparator)215            listOf(5, 6).shouldNotBeMonotonicallyIncreasingWith(comparator)216         }217         "test that a collection is strictly increasing" {218            listOf(1, 2, 3) shouldBe strictlyIncreasing<Int>()219            listOf(1, 2, 2, 3) shouldNotBe strictlyIncreasing<Int>()220            listOf(6, 5) shouldNotBe strictlyIncreasing<Int>()221            listOf(1, 2, 3).shouldBeStrictlyIncreasing()222            listOf(1, 2, 2, 3).shouldNotBeStrictlyIncreasing()223            listOf(6, 5).shouldNotBeStrictlyIncreasing()224         }225         "test that a collection is strictly increasing according to comparator" {226            val comparator = Comparator(desc)227            listOf(3, 2, 1) shouldBe strictlyIncreasingWith(comparator)228            listOf(3, 2, 2, 1) shouldNotBe strictlyIncreasingWith(comparator)229            listOf(5, 6) shouldNotBe strictlyIncreasingWith(comparator)230            listOf(3, 2, 1).shouldBeStrictlyIncreasingWith(comparator)231            listOf(3, 2, 2, 1).shouldNotBeStrictlyIncreasingWith(comparator)232            listOf(5, 6).shouldNotBeStrictlyIncreasingWith(comparator)233         }234      }235      "shouldBeDecreasing" should {236         "test that a collection is monotonically decreasing" {237            listOf(3, 2, 2, -4) shouldBe monotonicallyDecreasing<Int>()238            listOf(5, 6) shouldNotBe monotonicallyDecreasing<Int>()239            listOf(3, 2, 2, -4).shouldBeMonotonicallyDecreasing()...

Chap5.kt

Source:Chap5.kt

...155        test(::functionalWay, assertFunctionalWay)156        test(::realFunctionalWay, assertRealFunctionalWay)157    }158    "Example 5-16" {159        println("increasing list")160        testBigIntList(161            bigIntList = (1..10000000).toList(),162            assertImperativeWay = { millis: Long -> millis.shouldBeLessThanOrEqual(1) },163            assertFunctionalWay = { millis: Long -> millis.shouldBeGreaterThan(100) },164            assertRealFunctionalWay = { millis: Long -> millis.shouldBeLessThan(10) },165        )166        println("\ndecreasing list")167        testBigIntList(168            bigIntList = (10000000 downTo 1).toList(),169            assertImperativeWay = { millis: Long -> millis.shouldBeLessThanOrEqual(1) },170            assertFunctionalWay = { millis: Long -> millis.shouldBeGreaterThan(100) }, // ì functionalWayë§ 100msê° ëì§?171            assertRealFunctionalWay = { millis: Long -> millis.shouldBeLessThanOrEqual(1) },172        )173    }...

CollectionMatchers.kt

Source:CollectionMatchers.kt

...91    else -> ". Element ${failure.value.second} at index ${failure.index + 1} was not monotonically increased from previous element."92  }93  return MatcherResult(94    failure == null,95    { "List [$snippet] should be monotonically increasing$elementMessage" },96    { "List [$snippet] should not be monotonically increasing" }97  )98}99fun <T : Comparable<T>> beMonotonicallyDecreasing(): Matcher<List<T>> = monotonicallyDecreasing()100fun <T : Comparable<T>> monotonicallyDecreasing(): Matcher<List<T>> = object : Matcher<List<T>> {101  override fun test(value: List<T>): MatcherResult {102    return testMonotonicallyDecreasingWith(value,103      Comparator { a, b -> a.compareTo(b) })104  }105}106fun <T> beMonotonicallyDecreasingWith(comparator: Comparator<in T>): Matcher<List<T>> = monotonicallyDecreasingWith(107  comparator)108fun <T> monotonicallyDecreasingWith(comparator: Comparator<in T>): Matcher<List<T>> = object : Matcher<List<T>> {109  override fun test(value: List<T>): MatcherResult {110    return testMonotonicallyDecreasingWith(value, comparator)111  }112}113private fun <T> testMonotonicallyDecreasingWith(value: List<T>, comparator: Comparator<in T>): MatcherResult {114  val failure = value.zipWithNext().withIndex().find { (_, pair) -> comparator.compare(pair.first, pair.second) < 0 }115  val snippet = value.show().value116  val elementMessage = when (failure) {117    null -> ""118    else -> ". Element ${failure.value.second} at index ${failure.index + 1} was not monotonically decreased from previous element."119  }120  return MatcherResult(121    failure == null,122    { "List [$snippet] should be monotonically decreasing$elementMessage" },123    { "List [$snippet] should not be monotonically decreasing" }124  )125}126fun <T : Comparable<T>> beStrictlyIncreasing(): Matcher<List<T>> = strictlyIncreasing()127fun <T : Comparable<T>> strictlyIncreasing(): Matcher<List<T>> = object : Matcher<List<T>> {128  override fun test(value: List<T>): MatcherResult {129    return testStrictlyIncreasingWith(value, Comparator { a, b -> a.compareTo(b) })130  }131}132fun <T> beStrictlyIncreasingWith(comparator: Comparator<in T>): Matcher<List<T>> = strictlyIncreasingWith(133  comparator)134fun <T> strictlyIncreasingWith(comparator: Comparator<in T>): Matcher<List<T>> = object : Matcher<List<T>> {135  override fun test(value: List<T>): MatcherResult {136    return testStrictlyIncreasingWith(value, comparator)137  }138}139private fun <T> testStrictlyIncreasingWith(value: List<T>, comparator: Comparator<in T>): MatcherResult {140  val failure = value.zipWithNext().withIndex().find { (_, pair) -> comparator.compare(pair.first, pair.second) >= 0 }141  val snippet = value.show().value142  val elementMessage = when (failure) {143    null -> ""144    else -> ". Element ${failure.value.second} at index ${failure.index + 1} was not strictly increased from previous element."145  }146  return MatcherResult(147    failure == null,148    { "List [$snippet] should be strictly increasing$elementMessage" },149    { "List [$snippet] should not be strictly increasing" }150  )151}152fun <T : Comparable<T>> beStrictlyDecreasing(): Matcher<List<T>> = strictlyDecreasing()153fun <T : Comparable<T>> strictlyDecreasing(): Matcher<List<T>> = object : Matcher<List<T>> {154  override fun test(value: List<T>): MatcherResult {155    return testStrictlyDecreasingWith(value, Comparator { a, b -> a.compareTo(b) })156  }157}158fun <T> beStrictlyDecreasingWith(comparator: Comparator<in T>): Matcher<List<T>> = strictlyDecreasingWith(159  comparator)160fun <T> strictlyDecreasingWith(comparator: Comparator<in T>): Matcher<List<T>> = object : Matcher<List<T>> {161  override fun test(value: List<T>): MatcherResult {162    return testStrictlyDecreasingWith(value, comparator)163  }...

increasing.kt

Source:increasing.kt

...108      else -> ". Element ${failure.value.second} at index ${failure.index + 1} was not strictly increased from previous element."109   }110   return MatcherResult(111      failure == null,112      { "List [$snippet] should be strictly increasing$elementMessage" },113      { "List [$snippet] should not be strictly increasing" }114   )115}116fun <T : Comparable<T>> beMonotonicallyIncreasing(): Matcher<List<T>> = monotonicallyIncreasing()117fun <T : Comparable<T>> monotonicallyIncreasing(): Matcher<List<T>> = object : Matcher<List<T>> {118   override fun test(value: List<T>): MatcherResult {119      return testMonotonicallyIncreasingWith(value) { a, b -> a.compareTo(b) }120   }121}122fun <T> beMonotonicallyIncreasingWith(comparator: Comparator<in T>): Matcher<List<T>> =123   monotonicallyIncreasingWith(comparator)124fun <T> monotonicallyIncreasingWith(comparator: Comparator<in T>): Matcher<List<T>> = object : Matcher<List<T>> {125   override fun test(value: List<T>): MatcherResult {126      return testMonotonicallyIncreasingWith(value, comparator)127   }128}129private fun <T> testMonotonicallyIncreasingWith(value: List<T>, comparator: Comparator<in T>): MatcherResult {130   val failure = value.zipWithNext().withIndex().find { (_, pair) -> comparator.compare(pair.first, pair.second) > 0 }131   val snippet = value.print().value132   val elementMessage = when (failure) {133      null -> ""134      else -> ". Element ${failure.value.second} at index ${failure.index + 1} was not monotonically increased from previous element."135   }136   return MatcherResult(137      failure == null,138      { "List [$snippet] should be monotonically increasing$elementMessage" },139      { "List [$snippet] should not be monotonically increasing" }140   )141}...

TimeSeriesDBTest.kt

Source:TimeSeriesDBTest.kt

1package org.raspikiln.tsdb2import io.kotest.core.spec.style.FunSpec3import io.kotest.matchers.collections.shouldBeMonotonicallyIncreasingWith4import io.kotest.matchers.doubles.shouldBeGreaterThan5import io.kotest.matchers.doubles.shouldBeGreaterThanOrEqual6import io.kotest.matchers.doubles.shouldBeLessThan7import io.kotest.matchers.ints.shouldBeExactly8import io.kotest.matchers.ints.shouldBeLessThan9import io.kotest.matchers.shouldBe10import kotlinx.coroutines.delay11import java.io.File12import java.time.Instant13import java.util.Comparator14import kotlin.random.Random15import kotlin.time.Duration16import kotlin.time.Duration.Companion.hours17import kotlin.time.Duration.Companion.seconds18class TimeSeriesDBTest : FunSpec({19    test("able to write and do things") {20        val db = timeSeriesDb(retention = 10.hours)21        val temperatureA = MetricGenerator(MetricIdentifier(name = "temperatureA"), 0..20)22        val temperatureB = MetricGenerator(MetricIdentifier(name = "temperatureB"), 40..60)23        var metricCount = 024        repeat(2_000) { _ ->25            val metricsAdded = (1..10).random()26            metricCount += metricsAdded27            repeat(metricsAdded) {28                db.write(listOf(temperatureA.next(), temperatureB.next()))29            }30            listOf(temperatureA, temperatureB).forEach { metric ->31                val query = db.query(metric.identifier, Instant.now().minusSeconds(3_000)..Instant.now()).toList()32                query.forEach { metric shouldContain it.value }33                query.shouldBeMonotonicallyIncreasingWith(Comparator.comparing { it.timestamp })34                query.count() shouldBe metricCount35            }36            delay(5)37        }38    }39    test("clear partitions after retention") {40        val db = timeSeriesDb(retention = 10.seconds)41        val metricMeasurement = MetricGenerator(MetricIdentifier(name = "temperatureA"), 0..20)42        repeat(500) {43            db.write(metricMeasurement.next())44        }45        delay(12_000)46        db.write(metricMeasurement.next())47        db.query(48            metricName = metricMeasurement.identifier,49            timestampRange = Instant.now().minusSeconds(20)..Instant.now()50        ).count() shouldBeExactly 151    }52})53data class MetricGenerator(54    val identifier: MetricIdentifier,55    val range: IntRange56) {57    infix fun shouldContain(value: Double) {58        range.first.toDouble() shouldBeLessThan value59        range.last.toDouble() shouldBeGreaterThanOrEqual value60    }61    fun next(): Measurement =62        Measurement(63            metric = identifier,64            datapoint = Datapoint(65                timestamp = Instant.now(),66                value = nextValue()67            )68        )69    private fun nextValue() = Random.Default.nextDouble(range.first.toDouble(), range.last.toDouble())70}71private fun timeSeriesDb(retention: Duration = 10.hours) =72    StandardTimeSeriesDB(options = StandardTimeSeriesDB.Options(73        directory = File("data-test"),74        partitionDuration = 10.seconds,75        partitionCapacity = 1_000,76        retention = retention,77        deleteDelayTime = 0.seconds78    )).apply { purgeAll() }...

OrganizationChecker.kt

Source:OrganizationChecker.kt

1package com.tavrida.energysales.importData2import com.tavrida.energysales.data_access.models.Organization3import database_creation.xlsx.reader.OrganizationsWithStructureXlsReader4import io.kotest.matchers.collections.shouldBeMonotonicallyIncreasing5import io.kotest.matchers.collections.shouldBeSorted6import io.kotest.matchers.collections.shouldBeSortedWith7import io.kotest.matchers.collections.shouldNotBeEmpty8object OrganizationChecker {9    fun List<Organization>.check() {10        checkNameDuplicates()11        checkSerialNumberDuplicates()12        checkReadingChronologicalOrder()13    }14    private fun List<Organization>.checkReadingChronologicalOrder() {15        forEach {16            it.counters.forEach {17                it.readings.shouldNotBeEmpty()18                it.readings.map { it.readingTime }.shouldBeMonotonicallyIncreasing()19            }20        }21    }22    private fun List<Organization>.checkNameDuplicates() {23        val duplicatedNames = groupBy { it.name }24            .filter { it.value.size > 1 }25            .map { it.key }26        if (duplicatedNames.isNotEmpty()) {27            throw Exception("Organizations with duplicated names found: $duplicatedNames")28        }29    }30    private fun List<Organization>.checkSerialNumberDuplicates() {31        val duplicates = flatMap { org -> org.counters.map { org to it } }32            .groupBy { (org, counter) -> counter.serialNumber }33            .filter { it.value.size > 1 }34            .map { it.value.map { (org, counter) -> org.name to counter.serialNumber } }35        if (duplicates.isNotEmpty()) {36            throw Exception("Duplicated serial numbers found: $duplicates")37        }38    }39    @JvmName("checkSerialNumberDuplicatesOnListOfRecords")40    fun List<OrganizationsWithStructureXlsReader.OrganizationCounterReadingRecord>.checkSerialNumberDuplicates() {41        val duplicates = groupBy { it.serialNumber }42            .filter { it.value.size > 1 }43            .map { it.key }44        if (duplicates.isNotEmpty()) {45            throw Exception("Organizations with duplicated names found: $duplicates")46        }47    }48}...

DailyBalancesPropJqwikTest.kt

Source:DailyBalancesPropJqwikTest.kt

...18    val result = list.expandToDaily()19    result.shouldContainAll(list)20  }21  @Property22  fun `result is strictly increasing by the balance date`(@ForAll("uniqueBalances") list: List<Balance>) {23    val result = list.expandToDaily()24    result.shouldBeStrictlyIncreasingWith(compareBy { it.date })25  }26  @Property27  fun `returns the whole range`(@ForAll("uniqueBalances") @NotEmpty list: List<Balance>) {28    val result = list.expandToDaily()29    result.map { it.date } shouldBe wholeDateRange(result.minOf { it.date }, result.maxOf { it.date })30  }31  @Provide32  fun uniqueBalances(): Arbitrary<List<Balance>> {33    val balanceArbitrary = combine(34      Dates.dates().between(LocalDate.of(1970, 1, 1), LocalDate.of(2030, 12, 31)),35      Arbitraries.bigDecimals()36    ) { d, a -> Balance(d, a) }...

DailyBalancesPropKotestTest.kt

Source:DailyBalancesPropKotestTest.kt

...17        val result = list.expandToDaily()18        result.shouldContainAll(list)19      }20    }21    it("result is strictly increasing by the balance date") {22      checkAll(arbUniqueList()) { list ->23        val result = list.expandToDaily()24        result.shouldBeStrictlyIncreasingWith(compareBy { it.date })25      }26    }27    it("returns the whole range") {28      checkAll(arbUniqueList(minLength = 1)) { list ->29        val result = list.expandToDaily()30        result.map { it.date } shouldBe wholeDateRange(result.minOf { it.date }, result.maxOf { it.date })31      }32    }33  }34})...

increasing

Using AI Code Generation

1    import io.kotest.matchers.collections.shouldContain2    import io.kotest.matchers.collections.shouldContainAll3    import io.kotest.matchers.collections.shouldContainExactly4    import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder5    import io.kotest.matchers.collections.shouldContainExactlyInAnyOrderOnly6    import io.kotest.matchers.collections.shouldContainInOrder7    import io.kotest.matchers.collections.shouldContainInOrderOnly8    import io.kotest.matchers.collections.shouldContainNone9    import io.kotest.matchers.collections.shouldContainSame10    import io.kotest.matchers.collections.shouldContainSameElementsAs11    import io.kotest.matchers.collections.shouldContainSameInOrderAs12    import io.kotest.matchers.collections.shouldHaveAtLeastSize13    import io.kotest.matchers.collections.shouldHaveAtMostSize14    import io.kotest.matchers.collections.shouldHaveSingleElement15    import io.kotest.matchers.collections.shouldHaveSize16    import io.kotest.matchers.collections.shouldHaveTheSameElementsAs17    import io.kotest.matchers.collections.shouldHaveTheSameElementsInOrderAs18    import io.kotest.matchers.collections.shouldNotContain19    import io.kotest.matchers.collections.shouldNotContainAll20    import io.kotest.matchers.collections.shouldNotContainExactly21    import io.kotest.matchers.collections.shouldNotContainExactlyInAnyOrder22    import io.kotest.matchers.collections.shouldNotContainExactlyInAnyOrderOnly23    import io.kotest.matchers.collections.shouldNotContainInOrder24    import io.kotest.matchers.collections.shouldNotContainInOrderOnly25    import io.kotest.matchers.collections.shouldNotContainNone26    import io.kotest.matchers.collections.shouldNotContainSame27    import io.kotest.matchers.collections.shouldNotContainSameElementsAs28    import io.kotest.matchers.collections.shouldNotContainSameInOrderAs29    import io.kotest.matchers.collections.shouldNotHaveAtLeastSize30    import io.kotest.matchers.collections.shouldNotHaveAtMostSize31    import io.kotest.matchers.collections.shouldNotHaveSingleElement32    import io.kotest.matchers.collections.shouldNotHaveSize33    import io.kotest.matchers.collections.shouldNotHaveTheSameElementsAs34    import io.k

increasing

Using AI Code Generation

1    import io.kotest.matchers.collections.shouldContainAll2    import io.kotest.matchers.collections.shouldContainExactly3    import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder4    import io.kotest.matchers.collections.shouldContainExactlyInOrder5    import io.kotest.matchers.collections.shouldContainExactlyInOrderOnly6    import io.kotest.matchers.collections.shouldContainInOrder7    import io.kotest.matchers.collections.shouldContainInOrderOnly8    import io.kotest.matchers.collections.shouldContainSame9    import io.kotest.matchers.collections.shouldContainSize10    import io.kotest.matchers.collections.shouldContainSubset11    import io.kotest.matchers.collections.shouldContain12    import io.kotest.matchers.collections.shouldContainAllInAnyOrder13    import io.kotest.matchers.collections.shouldContainAllInOrder14    import io.kotest.matchers.collections.shouldContainAllInOrderOnly15    import io.kotest.matchers.collections.shouldContainAllInAnyOrderOnly16    import io.kotest.matchers.collections.shouldContainAllInAnyOrderOnlyNullsFirst17    import io.kotest.matchers.collections.shouldContainAllInAnyOrderOnlyNullsLast18    import io.kotest.matchers.collections.shouldContainAllInOrderOnlyNullsFirst19    import io.kotest.matchers.collections.shouldContainAllInOrderOnlyNullsLast20    import io.kotest.matchers.collections.shouldContainAllInOrderOnlyNullsFirst21    import io.kotest.matchers.collections.shouldContainAllInAnyOrderOnlyNullsLast22    import io.kotest.matchers.collections.shouldContainAllInOrderOnlyNullsFirst23    import io.kotest.matchers.collections.shouldContainAllInAnyOrderOnlyNullsLast24    import io.kotest.matchers.collections.shouldContainAllInOrderOnlyNullsFirst25    import io.kotest.matchers.collections.shouldContainAllInAnyOrderOnlyNullsLast26    import io.kotest.matchers.collections.shouldContainAllInOrderOnlyNullsFirst27    import io.kotest.matchers.collections.shouldContainAllInAnyOrderOnlyNullsLast28    import io.kotest.matchers.collections.shouldContainAllInOrderOnlyNullsFirst29    import io.kotest.matchers.collections.shouldContainAllInAnyOrderOnlyNullsLast30    import io.kotest.matchers

increasing

Using AI Code Generation

1val result = listOf(1, 2, 3, 4, 5)2result.shouldContainAll(1, 2, 3)3result.shouldContainNone(6, 7, 8)4result.shouldContainExactly(1, 2, 3, 4, 5)5result.shouldContainExactlyInAnyOrder(5, 4, 3, 2, 1)6result.shouldContainInOrder(1, 2, 3)7result.shouldContainInOrderOnly(1, 2, 3, 4, 5)8result.shouldContainInOrderOnly(5, 4, 3, 2, 1)9result.shouldContainOnly(1, 2, 3, 4, 5)10result.shouldContainOnly(5, 4, 3, 2, 1)11result.shouldContainExactlyInAnyOrder(5, 4, 3, 2, 1)12result.shouldContainExactly(1, 2, 3, 4, 5)13result.shouldContainExactlyInAnyOrder(5, 4, 3, 2, 1)14result.shouldContainInOrder(1, 2, 3)15result.shouldContainInOrderOnly(1, 2, 3, 4, 5)16result.shouldContainInOrderOnly(5, 4, 3, 2, 1)17result.shouldContainOnly(1, 2, 3, 4, 5)18result.shouldContainOnly(5, 4, 3, 2, 1)19result.shouldContainExactlyInAnyOrder(5, 4, 3, 2, 1)20result.shouldContainExactly(1, 2, 3, 4, 5)21result.shouldContainExactlyInAnyOrder(5, 4, 3, 2, 1)22result.shouldContainInOrder(1, 2, 3)23result.shouldContainInOrderOnly(1, 2, 3, 4, 5)24result.shouldContainInOrderOnly(5, 4, 3, 2, 1)25result.shouldContainOnly(1, 2, 3, 4, 5)26result.shouldContainOnly(5, 4, 3, 2, 1)

increasing

Using AI Code Generation

1import io.kotest.matchers.collections.shouldContainExactly2class MyTest : ShouldSpec({3"should contain exactly" {4val list = listOf(1, 2, 3, 4)5list shouldContainExactly listOf(1, 2, 3, 4)6}7})8import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder9class MyTest : ShouldSpec({10"should contain exactly in any order" {11val list = listOf(1, 2, 3, 4)12list shouldContainExactlyInAnyOrder listOf(4, 3, 2, 1)13}14})15import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder16class MyTest : ShouldSpec({17"should contain exactly in any order" {18val list = listOf(1, 2, 3, 4)19list shouldContainExactlyInAnyOrder listOf(4, 3, 2, 1)20}21})22import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder23class MyTest : ShouldSpec({24"should contain exactly in any order" {25val list = listOf(1, 2, 3, 4)26list shouldContainExactlyInAnyOrder listOf(4, 3, 2, 1)27}28})29import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder30class MyTest : ShouldSpec({31"should contain exactly in any order" {32val list = listOf(1, 2, 3, 4)33list shouldContainExactlyInAnyOrder listOf(4, 3, 2, 1)34}35})36import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder37class MyTest : ShouldSpec({38"should contain exactly in any order" {39val list = listOf(1, 2, 3, 4)40list shouldContainExactlyInAnyOrder listOf(4, 3, 2, 1)41}42})

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