Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use CharSequence.forExactly method of io.kotest.inspectors.Inspectors class

Best Kotest code snippet using io.kotest.inspectors.Inspectors.CharSequence.forExactly

Inspectors.kt

Source:Inspectors.kt

1package io.kotest.inspectors2import io.kotest.assertions.failure3inline fun <K, V, C : Map<K, V>> C.forAllValues(fn: (V) -> Unit): C = apply { values.forAll(fn) }4inline fun <K, V, C : Map<K, V>> C.forAllKeys(fn: (K) -> Unit): C = apply { keys.forAll(fn) }5inline fun <K, V, C : Map<K, V>> C.forAll(fn: (Map.Entry<K, V>) -> Unit): C = apply {6   val results = runTests(this, fn)7   val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()8   if (passed.size < this.size) {9      val msg = "${passed.size} elements passed but expected ${this.size}"10      buildAssertionError(msg, results)11   }12}13inline fun CharSequence.forAll(fn: (Char) -> Unit): CharSequence = apply { toList().forAll(fn) }14inline fun <T> Sequence<T>.forAll(fn: (T) -> Unit): Sequence<T> = apply { toList().forAll(fn) }15inline fun <T> Array<T>.forAll(fn: (T) -> Unit): Array<T> = apply { asList().forAll(fn) }16inline fun <T, C : Collection<T>> C.forAll(fn: (T) -> Unit): C = apply {17   val results = runTests(this, fn)18   val passed = results.filterIsInstance<ElementPass<T>>()19   if (passed.size < this.size) {20      val msg = "${passed.size} elements passed but expected ${this.size}"21      buildAssertionError(msg, results)22   }23}24inline fun <K, V, C : Map<K, V>> C.forOneValue(fn: (V) -> Unit): C = apply { values.forExactly(1, fn) }25inline fun <K, V, C : Map<K, V>> C.forOneKey(fn: (K) -> Unit): C = apply { keys.forExactly(1, fn) }26inline fun <K, V, C : Map<K, V>> C.forOne(fn: (Map.Entry<K, V>) -> Unit): C = apply { forExactly(1, fn) }27inline fun CharSequence.forOne(fn: (Char) -> Unit): CharSequence = apply { toList().forOne(fn) }28inline fun <T> Sequence<T>.forOne(fn: (T) -> Unit): Sequence<T> = apply { toList().forOne(fn) }29inline fun <T> Array<T>.forOne(fn: (T) -> Unit): Array<T> = apply { asList().forOne(fn) }30inline fun <T, C : Collection<T>> C.forOne(fn: (T) -> Unit): C = forExactly(1, fn)31inline fun <K, V, C : Map<K, V>> C.forValuesExactly(k: Int, fn: (V) -> Unit): C = apply { values.forExactly(k, fn) }32inline fun <K, V, C : Map<K, V>> C.forKeysExactly(k: Int, fn: (K) -> Unit): C = apply { keys.forExactly(k, fn) }33inline fun <K, V, C : Map<K, V>> C.forExactly(k: Int, fn: (Map.Entry<K, V>) -> Unit): C = apply {34   val results = runTests(this, fn)35   val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()36   if (passed.size != k) {37      val msg = "${passed.size} elements passed but expected $k"38      buildAssertionError(msg, results)39   }40}41inline fun CharSequence.forExactly(k: Int, fn: (Char) -> Unit): CharSequence = apply { toList().forExactly(k, fn) }42inline fun <T> Sequence<T>.forExactly(k: Int, fn: (T) -> Unit): Sequence<T> = apply { toList().forExactly(k, fn) }43inline fun <T> Array<T>.forExactly(k: Int, fn: (T) -> Unit): Array<T> = apply { toList().forExactly(k, fn) }44inline fun <T, C : Collection<T>> C.forExactly(k: Int, fn: (T) -> Unit): C = apply {45   val results = runTests(this, fn)46   val passed = results.filterIsInstance<ElementPass<T>>()47   if (passed.size != k) {48      val msg = "${passed.size} elements passed but expected $k"49      buildAssertionError(msg, results)50   }51}52inline fun <K, V, C : Map<K, V>> C.forSomeValues(fn: (V) -> Unit): C = apply { values.forSome(fn) }53inline fun <K, V, C : Map<K, V>> C.forSomeKeys(fn: (K) -> Unit): C = apply { keys.forSome(fn) }54inline fun <K, V, C : Map<K, V>> C.forSome(fn: (Map.Entry<K, V>) -> Unit): C = apply {55   val results = runTests(this, fn)56   val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()57   if (passed.isEmpty()) {58      buildAssertionError("No elements passed but expected at least one", results)59   } else if (passed.size == size) {60      buildAssertionError("All elements passed but expected < $size", results)61   }62}63inline fun CharSequence.forSome(fn: (Char) -> Unit): CharSequence = apply { toList().forSome(fn) }64inline fun <T> Sequence<T>.forSome(fn: (T) -> Unit): Sequence<T> = apply { toList().forSome(fn) }65inline fun <T> Array<T>.forSome(fn: (T) -> Unit): Array<T> = apply { toList().forSome(fn) }66inline fun <T, C : Collection<T>> C.forSome(fn: (T) -> Unit): C = apply {67   val results = runTests(this, fn)68   val passed = results.filterIsInstance<ElementPass<T>>()69   if (passed.isEmpty()) {70      buildAssertionError("No elements passed but expected at least one", results)71   } else if (passed.size == size) {72      buildAssertionError("All elements passed but expected < $size", results)73   }74}75inline fun <K, V, C : Map<K, V>> C.forAnyValue(fn: (V) -> Unit): C = apply { values.forAny(fn) }76inline fun <K, V, C : Map<K, V>> C.forAnyKey(fn: (K) -> Unit): C = apply { keys.forAny(fn) }77inline fun <K, V, C : Map<K, V>> C.forAny(fn: (Map.Entry<K, V>) -> Unit): C = apply { forAtLeastOne(fn) }78inline fun <T> Sequence<T>.forAny(fn: (T) -> Unit): Sequence<T> = apply { toList().forAny(fn) }79inline fun CharSequence.forAny(fn: (Char) -> Unit): CharSequence = apply { toList().forAny(fn) }80inline fun <T> Array<T>.forAny(fn: (T) -> Unit): Array<T> = apply { toList().forAny(fn) }81inline fun <T, C : Collection<T>> C.forAny(fn: (T) -> Unit): C = apply { forAtLeastOne(fn) }82inline fun <K, V, C : Map<K, V>> C.forAtLeastOneValue(fn: (V) -> Unit): C = apply { values.forAtLeastOne(fn) }83inline fun <K, V, C : Map<K, V>> C.forAtLeastOneKey(fn: (K) -> Unit): C = apply { keys.forAtLeastOne(fn) }84inline fun <K, V, C : Map<K, V>> C.forAtLeastOne(fn: (Map.Entry<K, V>) -> Unit): C = apply { forAtLeast(1, fn) }85inline fun CharSequence.forAtLeastOne(fn: (Char) -> Unit): CharSequence = apply { toList().forAtLeast(1, fn) }86inline fun <T> Sequence<T>.forAtLeastOne(fn: (T) -> Unit): Sequence<T> = apply { toList().forAtLeastOne(fn) }87inline fun <T> Array<T>.forAtLeastOne(fn: (T) -> Unit): Array<T> = apply { toList().forAtLeastOne(fn) }88inline fun <T, C : Collection<T>> C.forAtLeastOne(f: (T) -> Unit) = forAtLeast(1, f)89inline fun <K, V, C : Map<K, V>> C.forValuesAtLeast(k: Int, fn: (V) -> Unit): C = apply { values.forAtLeast(k, fn) }90inline fun <K, V, C : Map<K, V>> C.forKeysAtLeast(k: Int, fn: (K) -> Unit): C = apply { keys.forAtLeast(k, fn) }91inline fun <K, V, C : Map<K, V>> C.forAtLeast(k: Int, fn: (Map.Entry<K, V>) -> Unit): C = apply {92   val results = runTests(this, fn)93   val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()94   if (passed.size < k) {95      val msg = "${passed.size} elements passed but expected at least $k"96      buildAssertionError(msg, results)97   }98}99inline fun CharSequence.forAtLeast(k: Int, fn: (Char) -> Unit): CharSequence = apply { toList().forAtLeast(k, fn) }100inline fun <T> Sequence<T>.forAtLeast(k: Int, fn: (T) -> Unit): Sequence<T> = apply { toList().forAtLeast(k, fn) }101inline fun <T> Array<T>.forAtLeast(k: Int, fn: (T) -> Unit): Array<T> = apply { toList().forAtLeast(k, fn) }102inline fun <T, C : Collection<T>> C.forAtLeast(k: Int, fn: (T) -> Unit): C = apply {103   val results = runTests(this, fn)104   val passed = results.filterIsInstance<ElementPass<T>>()105   if (passed.size < k) {106      val msg = "${passed.size} elements passed but expected at least $k"107      buildAssertionError(msg, results)108   }109}110inline fun <K, V, C : Map<K, V>> C.forAtMostOneValue(fn: (V) -> Unit): C = apply { values.forAtMostOne(fn) }111inline fun <K, V, C : Map<K, V>> C.forAtMostOneKey(fn: (K) -> Unit): C = apply { keys.forAtMostOne(fn) }112inline fun <K, V, C : Map<K, V>> C.forAtMostOne(fn: (Map.Entry<K, V>) -> Unit): C = apply { forAtMost(1, fn) }113inline fun CharSequence.forAtMostOne(fn: (Char) -> Unit): CharSequence = apply { toList().forAtMost(1, fn) }114inline fun <T> Sequence<T>.forAtMostOne(fn: (T) -> Unit): Sequence<T> = apply { toList().forAtMostOne(fn) }115inline fun <T> Array<T>.forAtMostOne(fn: (T) -> Unit): Array<T> = apply { toList().forAtMostOne(fn) }116inline fun <T, C : Collection<T>> C.forAtMostOne(fn: (T) -> Unit) = forAtMost(1, fn)117inline fun <K, V, C : Map<K, V>> C.forValuesAtMost(k: Int, fn: (V) -> Unit): C = apply { values.forAtMost(k, fn) }118inline fun <K, V, C : Map<K, V>> C.forKeysAtMost(k: Int, fn: (K) -> Unit): C = apply { keys.forAtMost(k, fn) }119inline fun <K, V, C : Map<K, V>> C.forAtMost(k: Int, fn: (Map.Entry<K, V>) -> Unit): C = apply {120   val results = runTests(this, fn)121   val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()122   if (passed.size > k) {123      val msg = "${passed.size} elements passed but expected at most $k"124      buildAssertionError(msg, results)125   }126}127inline fun CharSequence.forAtMost(k: Int, fn: (Char) -> Unit): CharSequence = apply { toList().forAtMost(k, fn) }128inline fun <T> Sequence<T>.forAtMost(k: Int, fn: (T) -> Unit): Sequence<T> = apply { toList().forAtMost(k, fn) }129inline fun <T> Array<T>.forAtMost(k: Int, fn: (T) -> Unit): Array<T> = apply { toList().forAtMost(k, fn) }130inline fun <T, C : Collection<T>> C.forAtMost(k: Int, fn: (T) -> Unit): C = apply {131   val results = runTests(this, fn)132   val passed = results.filterIsInstance<ElementPass<T>>()133   if (passed.size > k) {134      val msg = "${passed.size} elements passed but expected at most $k"135      buildAssertionError(msg, results)136   }137}138inline fun <K, V, C : Map<K, V>> C.forNoneValue(fn: (V) -> Unit): C = apply { values.forNone(fn) }139inline fun <K, V, C : Map<K, V>> C.forNoneKey(fn: (K) -> Unit): C = apply { keys.forNone(fn) }140inline fun <K, V, C : Map<K, V>> C.forNone(fn: (Map.Entry<K, V>) -> Unit): C = apply {141   val results = runTests(this, fn)142   val passed = results.filterIsInstance<ElementPass<Map.Entry<K, V>>>()143   if (passed.isNotEmpty()) {144      val msg = "${passed.size} elements passed but expected ${0}"145      buildAssertionError(msg, results)146   }147}148inline fun CharSequence.forNone(fn: (Char) -> Unit): CharSequence = apply { toList().forNone(fn) }149inline fun <T> Sequence<T>.forNone(fn: (T) -> Unit): Sequence<T> = apply { toList().forNone(fn) }150inline fun <T> Array<T>.forNone(fn: (T) -> Unit): Array<T> = apply { toList().forNone(fn) }151inline fun <T, C : Collection<T>> C.forNone(f: (T) -> Unit): C = apply {152   val results = runTests(this, f)153   val passed = results.filterIsInstance<ElementPass<T>>()154   if (passed.isNotEmpty()) {155      val msg = "${passed.size} elements passed but expected ${0}"156      buildAssertionError(msg, results)157   }158}159/**160 * Checks that [Sequence] consists of a single element, which passes the given assertion block [fn]161 * and returns the element162 * */163fun <T> Sequence<T>.forSingle(fn: (T) -> Unit): T = toList().forSingle(fn)164/**165 * Checks that [Array] consists of a single element, which passes the given assertion block [fn]166 * and returns the element167 * */168fun <T> Array<T>.forSingle(fn: (T) -> Unit): T = toList().forSingle(fn)169/**170 * Checks that [Collection] consists of a single element, which passes the given assertion block [fn]171 * and returns the element172 * */173fun <T, C : Collection<T>> C.forSingle(f: (T) -> Unit): T = run {174   val results = runTests(this, f)175   when (results.size) {176      1 -> when (results[0]) {177         is ElementPass<T> -> results[0].value()178         else -> buildAssertionError("Expected a single element to pass, but it failed.", results)179      }180      0 -> throw failure("Expected a single element in the collection, but it was empty.")181      else -> buildAssertionError("Expected a single element in the collection, but found ${results.size}.", results)182   }183}...

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}...

CharSequence.forExactly

Using AI Code Generation

1val list = listOf("a", "b", "c", "d")2list.forExactly(2) { it should haveLength(1) }3list.forExactly(2) { it should haveLength(2) }4val list = listOf("a", "b", "c", "d")5list.forExactly(2) { it should haveLength(1) }6list.forExactly(2) { it should haveLength(2) }7val list = listOf("a", "b", "c", "d")8list.forExactly(2) { it should haveLength(1) }9list.forExactly(2) { it should haveLength(2) }10val list = listOf("a", "b", "c", "d")11list.forExactly(2) { it should haveLength(1) }12list.forExactly(2) { it should haveLength(2) }13val list = listOf("a", "b", "c", "d")14list.forExactly(2) { it should haveLength(1) }15list.forExactly(2) { it should haveLength(2) }16val list = listOf("a", "b", "c", "d")17list.forExactly(2) { it should haveLength(1) }18list.forExactly(2) { it should haveLength(2) }19val list = listOf("a", "b", "c", "d")20list.forExactly(2) { it should haveLength(1) }21list.forExactly(2) { it should haveLength(2) }22val list = listOf("a", "b", "c", "d")23list.forExactly(2) { it should haveLength(1) }24list.forExactly(2

CharSequence.forExactly

Using AI Code Generation

1val list = listOf("1", "2", "3")2list.forExactly(3) { it shouldNotBe "4" }3val list = listOf("1", "2", "3")4list.forExactly(3) { it shouldNotBe "4" }5val list = listOf("1", "2", "3")6list.forExactly(3) { it shouldNotBe "4" }7val list = listOf("1", "2", "3")8list.forExactly(3) { it shouldNotBe "4" }9val list = listOf("1", "2", "3")10list.forExactly(3) { it shouldNotBe "4" }11val list = listOf("1", "2", "3")12list.forExactly(3) { it shouldNotBe "4" }13val list = listOf("1", "2", "3")14list.forExactly(3) { it shouldNotBe "4" }15val list = listOf("1", "2", "3")16list.forExactly(3) { it shouldNotBe "4" }17val list = listOf("1", "2", "3")18list.forExactly(3) { it shouldNotBe "4" }19val list = listOf("1", "2", "3")20list.forExactly(3) { it shouldNotBe "4" }21val list = listOf("1", "2", "3")22list.forExactly(3

CharSequence.forExactly

Using AI Code Generation

1    val list = listOf(1, 2, 3)2    list.forExactly(1) { it shouldBe 1 }3    list.forExactly(2) { it shouldBe 1 }4    list.forExactly(3) { it shouldBe 1 }5    list.forExactly(4) { it shouldBe 1 }6    list.forExactly(5) { it shouldBe 1 }

CharSequence.forExactly

Using AI Code Generation

1fun   < T >  forExactly (2assertions :  ( T ) ->  Unit3{4val  list  =  elements . toList ()5require ( list . size  ==  n ) {6"Expected exactly $n elements but got ${list.size} elements"7}8forExactly ( n ,  list ,  assertions )9}10fun   < T >  forExactly (11assertions :  ( T ) ->  Unit12{13forExactly ( n ,  elements . asIterable (),  assertions )14}15fun   < T >  forExactly (16assertions :  ( T ) ->  Unit17{18forExactly ( n ,  elements . asIterable (),  assertions )19}20fun   < T >  forExactly (21assertions :  ( T ) ->  Unit22{23forExactly ( n ,  elements . values ,  assertions )24}25fun   < T >  forExactly (26assertions :  ( Int ) ->  Unit27{28forExactly ( n ,  elements . asIterable (),  assertions )29}30fun   < T >  forExactly (31assertions :  ( Long ) ->  Unit32{33forExactly ( n ,  elements . asIterable (),  assertions )34}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.