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How to use Array.forSome method of io.kotest.inspectors.Inspectors class

Best Kotest code snippet using io.kotest.inspectors.Inspectors.Array.forSome

CollectionInspectorsTest.kt

Source:CollectionInspectorsTest.kt

1package com.sksamuel.kotest.inspectors2import io.kotest.assertions.assertSoftly3import io.kotest.assertions.shouldFail4import io.kotest.assertions.throwables.shouldThrow5import io.kotest.assertions.throwables.shouldThrowAny6import io.kotest.core.spec.style.WordSpec7import io.kotest.inspectors.forAll8import io.kotest.inspectors.forAny9import io.kotest.inspectors.forAtLeastOne10import io.kotest.inspectors.forAtMostOne11import io.kotest.inspectors.forExactly12import io.kotest.inspectors.forNone13import io.kotest.inspectors.forOne14import io.kotest.inspectors.forSingle15import io.kotest.inspectors.forSome16import io.kotest.matchers.comparables.beGreaterThan17import io.kotest.matchers.comparables.beLessThan18import io.kotest.matchers.ints.shouldBeGreaterThan19import io.kotest.matchers.ints.shouldBeLessThan20import io.kotest.matchers.should21import io.kotest.matchers.shouldBe22@Suppress("ConstantConditionIf")23class CollectionInspectorsTest : WordSpec() {24   private val list = listOf(1, 2, 3, 4, 5)25   private val array = arrayOf(1, 2, 3, 4, 5)26   data class DummyEntry(27      val id: Int,28      val name: String,29   )30   init {31      "forAll" should {32         "pass if all elements of an array pass" {33            array.forAll {34               it.shouldBeGreaterThan(0)35            }36         }37         "pass if all elements of a collection pass" {38            list.forAll {39               it.shouldBeGreaterThan(0)40            }41         }42         "return itself" {43            array.forAll {44               it.shouldBeGreaterThan(0)45            }.forAll {46               it.shouldBeGreaterThan(0)47            }48            list.forAll {49               it.shouldBeGreaterThan(0)50            }.forAll {51               it.shouldBeGreaterThan(0)52            }53         }54         "fail when an exception is thrown inside an array" {55            shouldThrowAny {56               array.forAll {57                  if (true) throw NullPointerException()58               }59            }.message shouldBe "0 elements passed but expected 5\n" +60               "\n" +61               "The following elements passed:\n" +62               "--none--\n" +63               "\n" +64               "The following elements failed:\n" +65               "1 => java.lang.NullPointerException\n" +66               "2 => java.lang.NullPointerException\n" +67               "3 => java.lang.NullPointerException\n" +68               "4 => java.lang.NullPointerException\n" +69               "5 => java.lang.NullPointerException"70         }71         "fail when an exception is thrown inside a list" {72            shouldThrowAny {73               list.forAll {74                  if (true) throw NullPointerException()75               }76            }.message shouldBe "0 elements passed but expected 5\n" +77               "\n" +78               "The following elements passed:\n" +79               "--none--\n" +80               "\n" +81               "The following elements failed:\n" +82               "1 => java.lang.NullPointerException\n" +83               "2 => java.lang.NullPointerException\n" +84               "3 => java.lang.NullPointerException\n" +85               "4 => java.lang.NullPointerException\n" +86               "5 => java.lang.NullPointerException"87         }88      }89      "forNone" should {90         "pass if no elements pass fn test for a list" {91            list.forNone {92               it shouldBe 1093            }94         }95         "pass if no elements pass fn test for an array" {96            array.forNone {97               it shouldBe 1098            }99         }100         "pass if an element throws an exception" {101            val items = listOf(1, 2, 3)102            items.forNone {103               if (true) throw NullPointerException()104            }105         }106         "return itself" {107            list.forNone {108               it shouldBe 10109            }.forNone {110               it shouldBe 10111            }112            array.forNone {113               it shouldBe 10114            }.forNone {115               it shouldBe 10116            }117         }118         "fail if one elements passes fn test" {119            shouldThrow<AssertionError> {120               list.forNone {121                  it shouldBe 4122               }123            }.message shouldBe """1 elements passed but expected 0124The following elements passed:1254126The following elements failed:1271 => expected:<4> but was:<1>1282 => expected:<4> but was:<2>1293 => expected:<4> but was:<3>1305 => expected:<4> but was:<5>"""131         }132         "fail if all elements pass fn test" {133            shouldThrow<AssertionError> {134               list.forNone {135                  it should beGreaterThan(0)136               }137            }.message shouldBe """5 elements passed but expected 0138The following elements passed:13911402141314241435144The following elements failed:145--none--"""146         }147         "work inside assertSoftly block" {148            val dummyEntries = listOf(149               DummyEntry(id = 1, name = "first"),150               DummyEntry(id = 2, name = "second"),151            )152            assertSoftly(dummyEntries) {153               forNone {154                  it.id shouldBe 3155                  it.name shouldBe "third"156               }157            }158         }159      }160      "forSome" should {161         "pass if one elements pass test"  {162            list.forSome {163               it shouldBe 3164            }165         }166         "pass if size-1 elements pass test"  {167            list.forSome {168               it should beGreaterThan(1)169            }170         }171         "return itself" {172            list.forSome {173               it shouldBe 3174            }.forSome {175               it shouldBe 3176            }177            array.forSome {178               it shouldBe 3179            }.forSome {180               it shouldBe 3181            }182         }183         "fail if no elements pass test"  {184            shouldThrow<AssertionError> {185               array.forSome {186                  it should beLessThan(0)187               }188            }.message shouldBe """No elements passed but expected at least one189The following elements passed:190--none--191The following elements failed:1921 => 1 should be < 01932 => 2 should be < 01943 => 3 should be < 01954 => 4 should be < 01965 => 5 should be < 0"""197         }198         "fail if all elements pass test"  {199            shouldThrow<AssertionError> {200               list.forSome {201                  it should beGreaterThan(0)202               }203            }.message shouldBe """All elements passed but expected < 5204The following elements passed:20512062207320842095210The following elements failed:211--none--"""212         }213         "work inside assertSoftly block" {214            val dummyEntries = listOf(215               DummyEntry(id = 1, name = "first"),216               DummyEntry(id = 1, name = "first"),217               DummyEntry(id = 2, name = "second"),218            )219            assertSoftly(dummyEntries) {220               forSome {221                  it.id shouldBe 1222                  it.name shouldBe "first"223               }224            }225         }226      }227      "forOne" should {228         "pass if one elements pass test"  {229            list.forOne {230               it shouldBe 3231            }232         }233         "return itself" {234            list.forOne {235               it shouldBe 3236            }.forOne {237               it shouldBe 3238            }239            array.forOne {240               it shouldBe 3241            }.forOne {242               it shouldBe 3243            }244         }245         "fail if > 1 elements pass test"  {246            shouldThrow<AssertionError> {247               list.forOne {248                  it should beGreaterThan(2)249               }250            }.message shouldBe """3 elements passed but expected 1251The following elements passed:252325342545255The following elements failed:2561 => 1 should be > 22572 => 2 should be > 2"""258         }259         "fail if no elements pass test"  {260            shouldThrow<AssertionError> {261               array.forOne {262                  it shouldBe 22263               }264            }.message shouldBe """0 elements passed but expected 1265The following elements passed:266--none--267The following elements failed:2681 => expected:<22> but was:<1>2692 => expected:<22> but was:<2>2703 => expected:<22> but was:<3>2714 => expected:<22> but was:<4>2725 => expected:<22> but was:<5>"""273         }274         "work inside assertSoftly block" {275            val dummyEntries = listOf(276               DummyEntry(id = 1, name = "first"),277               DummyEntry(id = 2, name = "second"),278            )279            assertSoftly(dummyEntries) {280               forOne {281                  it.id shouldBe 1282                  it.name shouldBe "first"283               }284            }285         }286      }287      "forAny" should {288         "pass if one elements pass test"  {289            list.forAny {290               it shouldBe 3291            }292         }293         "pass if at least elements pass test"  {294            list.forAny {295               it should beGreaterThan(2)296            }297         }298         "return itself" {299            list.forAny {300               it shouldBe 3301            }.forAny {302               it shouldBe 3303            }304            array.forAny {305               it shouldBe 3306            }.forAny {307               it shouldBe 3308            }309         }310         "fail if no elements pass test"  {311            shouldThrow<AssertionError> {312               array.forAny {313                  it shouldBe 6314               }315            }.message shouldBe """0 elements passed but expected at least 1316The following elements passed:317--none--318The following elements failed:3191 => expected:<6> but was:<1>3202 => expected:<6> but was:<2>3213 => expected:<6> but was:<3>3224 => expected:<6> but was:<4>3235 => expected:<6> but was:<5>"""324         }325         "work inside assertSoftly block" {326            val dummyEntries = listOf(327               DummyEntry(id = 1, name = "first"),328               DummyEntry(id = 2, name = "second"),329            )330            assertSoftly(dummyEntries) {331               forAny {332                  it.id shouldBe 1333                  it.name shouldBe "first"334               }335            }336         }337      }338      "forExactly" should {339         "pass if exactly k elements pass"  {340            list.forExactly(2) {341               it should beLessThan(3)342            }343         }344         "fail if more elements pass test"  {345            shouldThrow<AssertionError> {346               list.forExactly(2) {347                  it should beGreaterThan(2)348               }349            }.message shouldBe """3 elements passed but expected 2350The following elements passed:351335243535354The following elements failed:3551 => 1 should be > 23562 => 2 should be > 2"""357         }358         "fail if less elements pass test"  {359            shouldThrow<AssertionError> {360               array.forExactly(2) {361                  it should beLessThan(2)362               }363            }.message shouldBe """1 elements passed but expected 2364The following elements passed:3651366The following elements failed:3672 => 2 should be < 23683 => 3 should be < 23694 => 4 should be < 23705 => 5 should be < 2"""371         }372         "fail if no elements pass test"  {373            shouldThrow<AssertionError> {374               array.forExactly(2) {375                  it shouldBe 33376               }377            }.message shouldBe """0 elements passed but expected 2378The following elements passed:379--none--380The following elements failed:3811 => expected:<33> but was:<1>3822 => expected:<33> but was:<2>3833 => expected:<33> but was:<3>3844 => expected:<33> but was:<4>3855 => expected:<33> but was:<5>"""386         }387      }388      "forAtMostOne" should {389         "pass if one elements pass test" {390            list.forAtMostOne {391               it shouldBe 3392            }393         }394         "fail if 2 elements pass test" {395            shouldThrow<AssertionError> {396               array.forAtMostOne {397                  it should beGreaterThan(3)398               }399            }.message shouldBe """2 elements passed but expected at most 1400The following elements passed:40144025403The following elements failed:4041 => 1 should be > 34052 => 2 should be > 34063 => 3 should be > 3"""407         }408         "work inside assertSoftly block" {409            val dummyEntries = listOf(410               DummyEntry(id = 1, name = "first"),411               DummyEntry(id = 2, name = "second"),412            )413            assertSoftly(dummyEntries) {414               forAtMostOne {415                  it.id shouldBe 1416                  it.name shouldBe "first"417               }418            }419         }420      }421      "forAtLeastOne" should {422         "pass if one elements pass test"  {423            list.forAtLeastOne {424               it shouldBe 3425            }426         }427         "fail if no elements pass test"  {428            shouldThrow<AssertionError> {429               array.forAtLeastOne {430                  it shouldBe 22431               }432            }.message shouldBe """0 elements passed but expected at least 1433The following elements passed:434--none--435The following elements failed:4361 => expected:<22> but was:<1>4372 => expected:<22> but was:<2>4383 => expected:<22> but was:<3>4394 => expected:<22> but was:<4>4405 => expected:<22> but was:<5>"""441         }442         "work inside assertSoftly block" {443            val dummyEntries = listOf(444               DummyEntry(id = 1, name = "first"),445               DummyEntry(id = 2, name = "second"),446            )447            assertSoftly(dummyEntries) {448               forAtLeastOne {449                  it.id shouldBe 1450                  it.name shouldBe "first"451               }452            }453         }454      }455      "forSingle" should {456         "pass list is singular, and the single element pass" {457            listOf(1).forSingle {458               it shouldBeLessThan 3459            }460         }461         "return the single element on success" {462            listOf(1).forSingle { it shouldBeLessThan 3 } shouldBe 1463         }464         "fail if collection consists of multiple elements" {465            shouldFail {466               listOf(467                  DummyEntry(id = 1, name = "first"),468                  DummyEntry(id = 2, name = "second"),469               ).forSingle {470                  it.id shouldBe 1471               }472            }.message shouldBe """473               Expected a single element in the collection, but found 2.474               The following elements passed:475               DummyEntry(id=1, name=first)476               The following elements failed:477               DummyEntry(id=2, name=second) => expected:<1> but was:<2>478            """.trimIndent()479         }480         "fail for empty collection" {481            shouldFail {482               arrayOf<Int>().forSingle {483                  it shouldBe 3484               }485            }.message shouldBe """486               Expected a single element in the collection, but it was empty.487            """.trimIndent()488         }489         "fail if single element doesn't match" {490            shouldFail {491               arrayOf(2).forSingle {492                  it shouldBe 3493               }494            }.message shouldBe """495               Expected a single element to pass, but it failed.496               The following elements passed:497               --none--498               The following elements failed:499               2 => expected:<3> but was:<2>500            """.trimIndent()501         }502         "work inside assertSoftly block" {503            val dummyEntries = listOf(504               DummyEntry(id = 1, name = "first"),505            )506            assertSoftly(dummyEntries) {507               forSingle {508                  it.id shouldBe 1509                  it.name shouldBe "first"510               }511            }512         }513      }514   }515}...

InspectorAliasTest.kt

Source:InspectorAliasTest.kt

1package com.sksamuel.kotest2import io.kotest.assertions.throwables.shouldThrowAny3import io.kotest.core.spec.style.FunSpec4import io.kotest.inspectors.shouldForAll5import io.kotest.inspectors.shouldForAny6import io.kotest.inspectors.shouldForAtLeast7import io.kotest.inspectors.shouldForAtLeastOne8import io.kotest.inspectors.shouldForAtMost9import io.kotest.inspectors.shouldForAtMostOne10import io.kotest.inspectors.shouldForExactly11import io.kotest.inspectors.shouldForNone12import io.kotest.inspectors.shouldForOne13import io.kotest.inspectors.shouldForSome14import io.kotest.matchers.comparables.shouldBeGreaterThan15import io.kotest.matchers.ints.shouldBeLessThan16import io.kotest.matchers.shouldBe17class InspectorAliasTest : FunSpec({18   val array = arrayOf(1, 2, 3)19   val list = listOf(1, 2, 3)20   val sequence = sequenceOf(1, 2, 3)21   context("forAll") {22      fun block(x: Int) = x shouldBeGreaterThan 023      test("array") {24         array.shouldForAll {25            it shouldBeLessThan 426         }27         shouldThrowAny {28            array.shouldForAll {29               it shouldBeLessThan 330            }31         }32      }33      test("list") {34         list.shouldForAll(::block)35         shouldThrowAny {36            list.shouldForAll {37               it shouldBeLessThan 338            }39         }40      }41      test("sequence") {42         sequence.shouldForAll(::block)43         shouldThrowAny {44            sequence.shouldForAll {45               it shouldBeLessThan 346            }47         }48      }49   }50   context("forOne") {51      fun block(x: Int) = x shouldBe 252      test("array") {53         array.shouldForOne(::block)54         shouldThrowAny {55            array.shouldForOne {56               it shouldBeLessThan 157            }58         }59      }60      test("list") {61         list.shouldForOne(::block)62         shouldThrowAny {63            list.shouldForOne {64               it shouldBeLessThan 165            }66         }67      }68      test("sequence") {69         sequence.shouldForOne(::block)70         shouldThrowAny {71            sequence.shouldForOne {72               it shouldBeLessThan 173            }74         }75      }76   }77   context("forExactly") {78      fun block(x: Int) = x shouldBeGreaterThan 179      val n = 280      test("array") {81         array.shouldForExactly(n, ::block)82         shouldThrowAny {83            array.shouldForExactly(n) {84               it shouldBeLessThan 185            }86         }87      }88      test("list") {89         list.shouldForExactly(n, ::block)90         shouldThrowAny {91            list.shouldForExactly(n) {92               it shouldBeLessThan 193            }94         }95      }96      test("sequence") {97         sequence.shouldForExactly(n, ::block)98         shouldThrowAny {99            sequence.shouldForExactly(n) {100               it shouldBeLessThan 1101            }102         }103      }104   }105   context("forSome") {106      fun block(x: Int) = x shouldBeGreaterThan 2107      test("array") {108         array.shouldForSome(::block)109         shouldThrowAny {110            array.shouldForSome {111               it shouldBeLessThan 1112            }113         }114      }115      test("list") {116         list.shouldForSome(::block)117         shouldThrowAny {118            list.shouldForSome {119               it shouldBeLessThan 1120            }121         }122      }123      test("sequence") {124         sequence.shouldForSome(::block)125         shouldThrowAny {126            sequence.shouldForSome {127               it shouldBeLessThan 1128            }129         }130      }131   }132   context("forAny") {133      fun block(x: Int) = x shouldBeGreaterThan 0134      test("array") {135         array.shouldForAny(::block)136         shouldThrowAny {137            array.shouldForAny {138               it shouldBeLessThan 1139            }140         }141      }142      test("list") {143         list.shouldForAny(::block)144         shouldThrowAny {145            list.shouldForAny {146               it shouldBeLessThan 1147            }148         }149      }150      test("sequence") {151         sequence.shouldForAny(::block)152         shouldThrowAny {153            sequence.shouldForAny {154               it shouldBeLessThan 1155            }156         }157      }158   }159   context("forAtLeast") {160      fun block(x: Int) = x shouldBeGreaterThan 0161      val n = 3162      test("array") {163         array.shouldForAtLeast(n, ::block)164         shouldThrowAny {165            array.shouldForAtLeast(n) {166               it shouldBeLessThan 3167            }168         }169      }170      test("list") {171         list.shouldForAtLeast(n, ::block)172         shouldThrowAny {173            list.shouldForAtLeast(n) {174               it shouldBeLessThan 3175            }176         }177      }178      test("sequence") {179         sequence.shouldForAtLeast(n, ::block)180         shouldThrowAny {181            sequence.shouldForAtLeast(n) {182               it shouldBeLessThan 3183            }184         }185      }186   }187   context("forAtLeastOne") {188      fun block(x: Int) = x shouldBeGreaterThan 0189      test("array") {190         array.shouldForAtLeastOne(::block)191         shouldThrowAny {192            array.shouldForAtLeastOne {193               it shouldBeLessThan 1194            }195         }196      }197      test("list") {198         list.shouldForAtLeastOne(::block)199         shouldThrowAny {200            list.shouldForAtLeastOne {201               it shouldBeLessThan 1202            }203         }204      }205      test("sequence") {206         sequence.shouldForAtLeastOne(::block)207         shouldThrowAny {208            sequence.shouldForAtLeastOne {209               it shouldBeLessThan 1210            }211         }212      }213   }214   context("forAtMost") {215      fun block(x: Int) = x shouldBeGreaterThan 0216      test("array") {217         val arr = arrayOf(0, 0, 1)218         arr.shouldForAtMost(1, ::block)219         shouldThrowAny {220            arr.shouldForAtMost(1) {221               it shouldBeLessThan 3222            }223         }224      }225      test("list") {226         val l = listOf(0, 1, 1)227         l.shouldForAtMost(2, ::block)228         shouldThrowAny {229            l.shouldForAtMost(2) {230               it shouldBeLessThan 3231            }232         }233      }234      test("sequence") {235         sequence.shouldForAtMost(3, ::block)236         shouldThrowAny {237            sequence.shouldForAtMost(2) {238               it shouldBeLessThan 4239            }240         }241      }242   }243   context("forNone") {244      fun block(x: Int) = x shouldBeLessThan 1245      test("array") {246         array.shouldForNone(::block)247         shouldThrowAny {248            array.shouldForNone {249               it shouldBeLessThan 4250            }251         }252      }253      test("list") {254         list.shouldForNone(::block)255         shouldThrowAny {256            list.shouldForNone {257               it shouldBeLessThan 4258            }259         }260      }261      test("sequence") {262         sequence.shouldForNone(::block)263         shouldThrowAny {264            sequence.shouldForNone {265               it shouldBeLessThan 4266            }267         }268      }269   }270   context("forAtMostOne") {271      fun block(x: Int) = x shouldBe 1272      test("array") {273         array.shouldForAtMostOne(::block)274      }275      test("list") {276         list.shouldForAtMostOne(::block)277      }278      test("sequence") {279         sequence.shouldForAtMostOne(::block)280      }281   }282})...

InspectorsTest.kt

Source:InspectorsTest.kt

1package com.sksamuel.kotest2import io.kotest.assertions.throwables.shouldThrow3import io.kotest.core.spec.style.WordSpec4import io.kotest.inspectors.forAny5import io.kotest.inspectors.forExactly6import io.kotest.inspectors.forNone7import io.kotest.inspectors.forOne8import io.kotest.inspectors.forSome9import io.kotest.matchers.comparables.beGreaterThan10import io.kotest.matchers.comparables.beLessThan11import io.kotest.matchers.should12import io.kotest.matchers.shouldBe13import io.kotest.matchers.shouldNotBe14class InspectorsTest : WordSpec() {15   private val list = listOf(1, 2, 3, 4, 5)16   private val array = arrayOf(1, 2, 3, 4, 5)17   private val charSequence = "charSequence"18   init {19      "forNone" should {20         "pass if no elements pass fn test for a list" {21            list.forNone {22               it shouldBe 1023            }24         }25         "pass if no elements pass fn test for a char sequence" {26            charSequence.forNone {27               it shouldBe 'x'28            }29         }30         "pass if no elements pass fn test for an array" {31            array.forNone {32               it shouldBe 1033            }34         }35         "fail if one elements passes fn test" {36            shouldThrow<AssertionError> {37               list.forNone {38                  it shouldBe 439               }40            }.message shouldBe """1 elements passed but expected 041The following elements passed:42443The following elements failed:441 => expected:<4> but was:<1>452 => expected:<4> but was:<2>463 => expected:<4> but was:<3>475 => expected:<4> but was:<5>"""48         }49         "fail if all elements pass fn test" {50            shouldThrow<AssertionError> {51               list.forNone {52                  it should beGreaterThan(0)53               }54            }.message shouldBe """5 elements passed but expected 055The following elements passed:56157258359460561The following elements failed:62--none--"""63         }64      }65      "forSome" should {66         "pass if one elements pass test"  {67            list.forSome {68               it shouldBe 369            }70         }71         "pass if size-1 elements pass test"  {72            list.forSome {73               it should beGreaterThan(1)74            }75         }76         "pass if two elements pass test for a char sequence" {77            charSequence.forSome {78               it shouldBe 'c'79            }80         }81         "fail if no elements pass test"  {82            shouldThrow<AssertionError> {83               array.forSome {84                  it should beLessThan(0)85               }86            }.message shouldBe """No elements passed but expected at least one87The following elements passed:88--none--89The following elements failed:901 => 1 should be < 0912 => 2 should be < 0923 => 3 should be < 0934 => 4 should be < 0945 => 5 should be < 0"""95         }96         "fail if all elements pass test"  {97            shouldThrow<AssertionError> {98               list.forSome {99                  it should beGreaterThan(0)100               }101            }.message shouldBe """All elements passed but expected < 5102The following elements passed:10311042105310641075108The following elements failed:109--none--"""110         }111      }112      "forOne" should {113         "pass if one elements pass test"  {114            list.forOne {115               it shouldBe 3116            }117         }118         "fail if all elements pass test for a char sequence" {119            shouldThrow<AssertionError> {120               charSequence.forOne { t ->121                  t shouldNotBe 'X'122               }123            }.message shouldBe """12 elements passed but expected 1124The following elements passed:125c126h127a128r129S130e131q132u133e134n135... and 2 more passed elements136The following elements failed:137--none--"""138         }139         "fail if > 1 elements pass test"  {140            shouldThrow<AssertionError> {141               list.forOne { t ->142                  t should beGreaterThan(2)143               }144            }.message shouldBe """3 elements passed but expected 1145The following elements passed:146314741485149The following elements failed:1501 => 1 should be > 21512 => 2 should be > 2"""152         }153         "fail if no elements pass test"  {154            shouldThrow<AssertionError> {155               array.forOne { t ->156                  t shouldBe 22157               }158            }.message shouldBe """0 elements passed but expected 1159The following elements passed:160--none--161The following elements failed:1621 => expected:<22> but was:<1>1632 => expected:<22> but was:<2>1643 => expected:<22> but was:<3>1654 => expected:<22> but was:<4>1665 => expected:<22> but was:<5>"""167         }168      }169      "forAny" should {170         "pass if one elements pass test"  {171            list.forAny { t ->172               t shouldBe 3173            }174         }175         "pass if at least elements pass test"  {176            list.forAny { t ->177               t should beGreaterThan(2)178            }179         }180         "pass if all elements pass test for a char sequence" {181            charSequence.forAny {182               it shouldNotBe 'X'183            }184         }185         "fail if no elements pass test"  {186            shouldThrow<AssertionError> {187               array.forAny { t ->188                  t shouldBe 6189               }190            }.message shouldBe """0 elements passed but expected at least 1191The following elements passed:192--none--193The following elements failed:1941 => expected:<6> but was:<1>1952 => expected:<6> but was:<2>1963 => expected:<6> but was:<3>1974 => expected:<6> but was:<4>1985 => expected:<6> but was:<5>"""199         }200      }201      "forExactly" should {202         "pass if exactly k elements pass"  {203            list.forExactly(2) { t ->204               t should beLessThan(3)205            }206         }207         "pass if exactly k elements pass for a char sequence" {208            charSequence.forExactly(1) {209               it shouldBe 'h'210            }211         }212         "fail if more elements pass test"  {213            shouldThrow<AssertionError> {214               list.forExactly(2) { t ->215                  t should beGreaterThan(2)216               }217            }.message shouldBe """3 elements passed but expected 2218The following elements passed:219322042215222The following elements failed:2231 => 1 should be > 22242 => 2 should be > 2"""225         }226         "fail if less elements pass test"  {227            shouldThrow<AssertionError> {228               array.forExactly(2) { t ->229                  t should beLessThan(2)230               }231            }.message shouldBe """1 elements passed but expected 2232The following elements passed:2331234The following elements failed:2352 => 2 should be < 22363 => 3 should be < 22374 => 4 should be < 22385 => 5 should be < 2"""239         }240         "fail if no elements pass test"  {241            shouldThrow<AssertionError> {242               list.forExactly(2) { t ->243                  t shouldBe 33244               }245            }.message shouldBe """0 elements passed but expected 2246The following elements passed:247--none--248The following elements failed:2491 => expected:<33> but was:<1>2502 => expected:<33> but was:<2>2513 => expected:<33> but was:<3>2524 => expected:<33> but was:<4>2535 => expected:<33> but was:<5>"""254         }255      }256   }257}...

Inspectors.kt

Source:Inspectors.kt

1package com.github.shwaka.kotest.inspectors2import io.kotest.inspectors.ElementPass3import io.kotest.inspectors.runTests4fun <T> Sequence<T>.forAll(fn: (T) -> Unit) = toList().forAll(fn)5fun <T> Array<T>.forAll(fn: (T) -> Unit) = asList().forAll(fn)6fun <T> Collection<T>.forAll(fn: (T) -> Unit) {7    val results = runTests(this, fn)8    val passed = results.filterIsInstance<ElementPass<T>>()9    if (passed.size < this.size) {10        val msg = "${passed.size} elements passed but expected ${this.size}"11        buildAssertionError(msg, results)12    }13}14fun <T> Sequence<T>.forOne(fn: (T) -> Unit) = toList().forOne(fn)15fun <T> Array<T>.forOne(fn: (T) -> Unit) = asList().forOne(fn)16fun <T> Collection<T>.forOne(fn: (T) -> Unit) = forExactly(1, fn)17fun <T> Sequence<T>.forExactly(k: Int, fn: (T) -> Unit) = toList().forExactly(k, fn)18fun <T> Array<T>.forExactly(k: Int, fn: (T) -> Unit) = toList().forExactly(k, fn)19fun <T> Collection<T>.forExactly(k: Int, fn: (T) -> Unit) {20    val results = runTests(this, fn)21    val passed = results.filterIsInstance<ElementPass<T>>()22    if (passed.size != k) {23        val msg = "${passed.size} elements passed but expected $k"24        buildAssertionError(msg, results)25    }26}27fun <T> Sequence<T>.forSome(fn: (T) -> Unit) = toList().forSome(fn)28fun <T> Array<T>.forSome(fn: (T) -> Unit) = toList().forSome(fn)29fun <T> Collection<T>.forSome(fn: (T) -> Unit) {30    val results = runTests(this, fn)31    val passed = results.filterIsInstance<ElementPass<T>>()32    if (passed.isEmpty()) {33        buildAssertionError("No elements passed but expected at least one", results)34    } else if (passed.size == size) {35        buildAssertionError("All elements passed but expected < $size", results)36    }37}38fun <T> Sequence<T>.forAny(fn: (T) -> Unit) = toList().forAny(fn)39fun <T> Array<T>.forAny(fn: (T) -> Unit) = toList().forAny(fn)40fun <T> Collection<T>.forAny(fn: (T) -> Unit) = forAtLeastOne(fn)41fun <T> Sequence<T>.forAtLeastOne(fn: (T) -> Unit) = toList().forAtLeastOne(fn)42fun <T> Array<T>.forAtLeastOne(fn: (T) -> Unit) = toList().forAtLeastOne(fn)43fun <T> Collection<T>.forAtLeastOne(f: (T) -> Unit) = forAtLeast(1, f)44fun <T> Sequence<T>.forAtLeast(k: Int, fn: (T) -> Unit) = toList().forAtLeast(k, fn)45fun <T> Array<T>.forAtLeast(k: Int, fn: (T) -> Unit) = toList().forAtLeast(k, fn)46fun <T> Collection<T>.forAtLeast(k: Int, fn: (T) -> Unit) {47    val results = runTests(this, fn)48    val passed = results.filterIsInstance<ElementPass<T>>()49    if (passed.size < k) {50        val msg = "${passed.size} elements passed but expected at least $k"51        buildAssertionError(msg, results)52    }53}54fun <T> Sequence<T>.forAtMostOne(fn: (T) -> Unit) = toList().forAtMostOne(fn)55fun <T> Array<T>.forAtMostOne(fn: (T) -> Unit) = toList().forAtMostOne(fn)56fun <T> Collection<T>.forAtMostOne(fn: (T) -> Unit) = forAtMost(1, fn)57fun <T> Sequence<T>.forAtMost(k: Int, fn: (T) -> Unit) = toList().forAtMost(k, fn)58fun <T> Array<T>.forAtMost(k: Int, fn: (T) -> Unit) = toList().forAtMost(k, fn)59fun <T> Collection<T>.forAtMost(k: Int, fn: (T) -> Unit) {60    val results = runTests(this, fn)61    val passed = results.filterIsInstance<ElementPass<T>>()62    if (passed.size > k) {63        val msg = "${passed.size} elements passed but expected at most $k"64        buildAssertionError(msg, results)65    }66}67fun <T> Sequence<T>.forNone(fn: (T) -> Unit) = toList().forNone(fn)68fun <T> Array<T>.forNone(fn: (T) -> Unit) = toList().forNone(fn)69fun <T> Collection<T>.forNone(f: (T) -> Unit) {70    val results = runTests(this, f)71    val passed = results.filterIsInstance<ElementPass<T>>()72    if (passed.isNotEmpty()) {73        val msg = "${passed.size} elements passed but expected ${0}"74        buildAssertionError(msg, results)75    }76}...

InspectorAliases.kt

Source:InspectorAliases.kt

1package io.kotest.inspectors2/** Alias for [Sequence.forAll] */3fun <T> Sequence<T>.shouldForAll(fn: (T) -> Unit) = forAll(fn)4/** Alias for [Array.forAll] */5fun <T> Array<T>.shouldForAll(fn: (T) -> Unit) = forAll(fn)6/** Alias for [Collection.forAll] */7fun <T> Collection<T>.shouldForAll(fn: (T) -> Unit) = forAll(fn)8/** Alias for [Sequence.forOne] */9fun <T> Sequence<T>.shouldForOne(fn: (T) -> Unit) = forOne(fn)10/** Alias for [Array.forOne] */11fun <T> Array<T>.shouldForOne(fn: (T) -> Unit) = forOne(fn)12/** Alias for [Collection.forOne] */13fun <T> Collection<T>.shouldForOne(fn: (T) -> Unit) = forOne(fn)14/** Alias for [Sequence.forExactly] */15fun <T> Sequence<T>.shouldForExactly(k: Int, fn: (T) -> Unit) = forExactly(k, fn)16/** Alias for [Array.forExactly] */17fun <T> Array<T>.shouldForExactly(k: Int, fn: (T) -> Unit) = forExactly(k, fn)18/** Alias for [Collection.forExactly] */19fun <T> Collection<T>.shouldForExactly(k: Int, fn: (T) -> Unit) = forExactly(k, fn)20/** Alias for [Sequence.forSome] */21fun <T> Sequence<T>.shouldForSome(fn: (T) -> Unit) = forSome(fn)22/** Alias for [Array.forSome] */23fun <T> Array<T>.shouldForSome(fn: (T) -> Unit) = forSome(fn)24/** Alias for [Collection.forSome] */25fun <T> Collection<T>.shouldForSome(fn: (T) -> Unit) = forSome(fn)26/** Alias for [Sequence.forAny] */27fun <T> Sequence<T>.shouldForAny(fn: (T) -> Unit) = forAny(fn)28/** Alias for [Array.forAny] */29fun <T> Array<T>.shouldForAny(fn: (T) -> Unit) = forAny(fn)30/** Alias for [Collection.forAny] */31fun <T> Collection<T>.shouldForAny(fn: (T) -> Unit) = forAny(fn)32/** Alias for [Sequence.forAtLeastOne] */33fun <T> Sequence<T>.shouldForAtLeastOne(fn: (T) -> Unit) = forAtLeastOne(fn)34/** Alias for [Array.forAtLeastOne] */35fun <T> Array<T>.shouldForAtLeastOne(fn: (T) -> Unit) = forAtLeastOne(fn)36/** Alias for [Collection.forAtLeastOne] */37fun <T> Collection<T>.shouldForAtLeastOne(fn: (T) -> Unit) = forAtLeastOne(fn)38/** Alias for [Sequence.forAtLeast] */39fun <T> Sequence<T>.shouldForAtLeast(k: Int, fn: (T) -> Unit) = forAtLeast(k, fn)40/** Alias for [Array.forAtLeast] */41fun <T> Array<T>.shouldForAtLeast(k: Int, fn: (T) -> Unit) = forAtLeast(k, fn)42/** Alias for [Collection.forAtLeast] */43fun <T> Collection<T>.shouldForAtLeast(k: Int, fn: (T) -> Unit) = forAtLeast(k, fn)44/** Alias for [Sequence.forAtMostOne] */45fun <T> Sequence<T>.shouldForAtMostOne(fn: (T) -> Unit) = forAtMostOne(fn)46/** Alias for [Array.forAtMostOne] */47fun <T> Array<T>.shouldForAtMostOne(fn: (T) -> Unit) = forAtMostOne(fn)48/** Alias for [Collection.forAtMostOne] */49fun <T> Collection<T>.shouldForAtMostOne(fn: (T) -> Unit) = forAtMostOne(fn)50/** Alias for [Sequence.forAtMost] */51fun <T> Sequence<T>.shouldForAtMost(k: Int, fn: (T) -> Unit) = forAtMost(k, fn)52/** Alias for [Array.forAtMost] */53fun <T> Array<T>.shouldForAtMost(k: Int, fn: (T) -> Unit) = forAtMost(k, fn)54/** Alias for [Collection.forAtMost] */55fun <T> Collection<T>.shouldForAtMost(k: Int, fn: (T) -> Unit) = forAtMost(k, fn)56/** Alias for [Sequence.forNone] */57fun <T> Sequence<T>.shouldForNone(fn: (T) -> Unit) = forNone(fn)58/** Alias for [Array.forNone] */59fun <T> Array<T>.shouldForNone(fn: (T) -> Unit) = forNone(fn)60/** Alias for [Collection.forNone] */61fun <T> Collection<T>.shouldForNone(fn: (T) -> Unit) = forNone(fn)...

NumbersTestWithInspectors.kt

Source:NumbersTestWithInspectors.kt

1import io.kotest.core.spec.style.StringSpec2import io.kotest.inspectors.*3import io.kotest.matchers.ints.shouldBeGreaterThanOrEqual4import io.kotest.matchers.shouldBe5class NumbersTestWithInspectors : StringSpec({6  val numbers = Array(10) { it + 1 }7  "all are non-negative" {8    numbers.forAll { it shouldBeGreaterThanOrEqual 0 }9  }10  "none is zero" { numbers.forNone { it shouldBe 0 } }11  "a single 10" { numbers.forOne { it shouldBe 10 } }12  "at most one 0" { numbers.forAtMostOne { it shouldBe 0 } }13  "at least one odd number" {14    numbers.forAtLeastOne { it % 2 shouldBe 1 }15  }16  "at most five odd numbers" {17    numbers.forAtMost(5) { it % 2 shouldBe 1 }18  }19  "at least three even numbers" {20    numbers.forAtLeast(3) { it % 2 shouldBe 0 }21  }22  "some numbers are odd" { numbers.forAny { it % 2 shouldBe 1 } }23  "some but not all numbers are even" {24    numbers.forSome { it % 2 shouldBe 0 }25  }26  "exactly five numbers are even" {27    numbers.forExactly(5) { it % 2 shouldBe 0 }28  }29})...

Array.forSome

Using AI Code Generation

1    import io.kotest.inspectors.forSome2    import io.kotest.matchers.shouldBe3    import io.kotest.matchers.shouldNotBe4    import io.kotest.core.spec.style.StringSpec5    class ForSomeTest : StringSpec({6        "forSome" {7            val list = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)8            forSome(list) { it shouldBe 1 }9            forSome(list) { it shouldBe 2 }10            forSome(list) { it shouldBe 3 }11            forSome(list) { it shouldBe 4 }12            forSome(list) { it shouldBe 5 }13            forSome(list) { it shouldBe 6 }14            forSome(list) { it shouldBe 7 }15            forSome(list) { it shouldBe 8 }16            forSome(list) { it shouldBe 9 }17            forSome(list) { it shouldBe 10 }18            forSome(list) { it shouldNotBe 11 }19        }20    })21    import io.kotest.inspectors.forAll22    import io.kotest.matchers.shouldBe23    import io.kotest.matchers.shouldNotBe24    import io.kotest.core.spec.style.StringSpec25    class ForAllTest : StringSpec({26        "forAll" {27            val list = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)28            forAll(list) { it shouldBe 1 }29            forAll(list) { it shouldBe 2 }30            forAll(list) { it shouldBe 3 }31            forAll(list) { it shouldBe 4 }32            forAll(list) { it shouldBe 5 }33            forAll(list) { it shouldBe 6 }34            forAll(list) { it shouldBe 7 }35            forAll(list) { it shouldBe 8 }36            forAll(list) { it shouldBe 9 }37            forAll(list) { it shouldBe 10 }38            forAll(list) { it shouldNotBe

Array.forSome

Using AI Code Generation

1val array = arrayOf(1, 2, 3, 4, 5)2array.forSome { it shouldBe 1 }3array.forSome { it shouldBe 2 }4array.forSome { it shouldBe 3 }5array.forSome { it shouldBe 4 }6array.forSome { it shouldBe 5 }7array.forSome { it shouldBe 6 }8array.forSome { it shouldBe 7 }9array.forSome { it shouldBe 8 }10array.forSome { it shouldBe 9 }11array.forSome { it shouldBe 10 }12val array = arrayOf(1, 2, 3, 4, 5)13array.forNone { it shouldBe 1 }14array.forNone { it shouldBe 2 }15array.forNone { it shouldBe 3 }16array.forNone { it shouldBe 4 }17array.forNone { it shouldBe 5 }18array.forNone { it shouldBe 6 }19array.forNone { it shouldBe 7 }20array.forNone { it shouldBe 8 }21array.forNone { it shouldBe 9 }22array.forNone { it shouldBe 10 }23val array = arrayOf(1, 2, 3, 4, 5)24array.forAtLeastOne { it shouldBe 1 }25array.forAtLeastOne { it shouldBe 2 }26array.forAtLeastOne { it shouldBe 3 }27array.forAtLeastOne { it shouldBe 4 }28array.forAtLeastOne { it shouldBe 5 }29array.forAtLeastOne { it shouldBe 6 }30array.forAtLeastOne { it shouldBe 7 }31array.forAtLeastOne { it shouldBe 8 }32array.forAtLeastOne { it shouldBe 9 }33array.forAtLeastOne { it shouldBe 10 }34val array = arrayOf(1, 2, 3, 4, 5)35array.forAtLeast(1) { it shouldBe 1 }36array.forAtLeast(2) { it shouldBe 2 }37array.forAtLeast(3) { it shouldBe 3 }38array.forAtLeast(4) { it shouldBe 4 }39array.forAtLeast(5) { it shouldBe 5 }

Array.forSome

Using AI Code Generation

1import io.kotest.inspectors.forSome2val list = listOf(1, 2, 3, 4)3forSome(list) { element -> element > 2 }4import io.kotest.inspectors.shouldAll5val list = listOf(1, 2, 3, 4)6list.shouldAll { element -> element > 2 }7import io.kotest.inspectors.shouldAny8val list = listOf(1, 2, 3, 4)9list.shouldAny { element -> element > 2 }10import io.kotest.inspectors.shouldContainAll11val list = listOf(1, 2, 3, 4)12list.shouldContainAll(1, 2)13import io.kotest.inspectors.shouldContain14val list = listOf(1, 2, 3, 4)15list.shouldContain(1)16import io.kotest.inspectors.shouldContainNone17val list = listOf(1, 2, 3, 4)18list.shouldContainNone(5)19import io.kotest.inspectors.shouldContainOnly20val list = listOf(1, 2, 3, 4)21list.shouldContainOnly(1, 2, 3, 4)22import io.kotest.inspectors.shouldHaveAtLeastOne23val list = listOf(1, 2, 3, 4)24list.shouldHaveAtLeastOne { element -> element > 2 }25import io.kotest.inspectors.shouldHaveAtMostOne26val list = listOf(1, 2, 3, 4

Array.forSome

Using AI Code Generation

1@DisplayName("test Array.forSome method of io.kotest.inspectors.Inspectors class")2@ValueSource(strings = ["123", "456", "789"])3fun `test Array.forSome method of io.kotest.inspectors.Inspectors class`(str: String) {4Array.forSome(1..10) { it % 2 == 0 } shouldBe true5Array.forSome(str.toCharArray()) { it.isDigit() } shouldBe true6}7@DisplayName("test Array.forNone method of io.kotest.inspectors.Inspectors class")8@ValueSource(strings = ["123", "456", "789"])9fun `test Array.forNone method of io.kotest.inspectors.Inspectors class`(str: String) {10Array.forNone(1..10) { it % 2 == 1 } shouldBe true11Array.forNone(str.toCharArray()) { it.isLetter() } shouldBe true12}13}

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