KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

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

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

CollectionMatchersTest.kt

Source:CollectionMatchersTest.kt

...329            }.shouldHaveMessage("Collection of size 3 should be larger than collection of size 4")330         }331      }332      "shouldBeSmallerThan" should {333         "test that a collection is smaller than another collection"  {334            val col1 = listOf(1, 2, 3)335            val col2 = setOf(1, 2, 3, 4)336            col1.shouldBeSmallerThan(col2)337            col1 should beSmallerThan(col2)338            col2 shouldNot beSmallerThan(col1)339            shouldThrow<AssertionError> {340               col2.shouldBeSmallerThan(col1)341            }.shouldHaveMessage("Collection of size 4 should be smaller than collection of size 3")342         }343      }344      "shouldBeSameSizeAs" should {345         "test that a collection is the same size as another collection"  {346            val col1 = listOf(1, 2, 3)347            val col2 = setOf(1, 2, 3)348            val col3 = listOf(1, 2, 3, 4)349            col1.shouldBeSameSizeAs(col2)350            col1 should beSameSizeAs(col2)351            col1 shouldNot beSameSizeAs(col3)352            shouldThrow<AssertionError> {353               col1.shouldBeSameSizeAs(col3)354            }.shouldHaveMessage("Collection of size 3 should be the same size as collection of size 4")355         }...

matchers.kt

Source:matchers.kt

...120                shouldBeADirectory()121                shouldBeAbsolute()122                shouldNotBeEmpty()123            }124            // executable, hidden, readable, smaller, writeable, containFile, extension, path, ...125            LocalDate.now().shouldBeToday()126            // before/after, within, same, between, have year/month/day/hour/...127            LocalTime.now().shouldHaveSameHoursAs(LocalTime.now())128            // before/after/between, sameMinute/Seconds/Nanos129        }130        it("numbers") {131            1 shouldBeLessThan 2132            1 shouldBeLessThanOrEqual 1 // Int-based; returns this133            1 shouldBeLessThanOrEqualTo 1 // Comparble-based; void134            1 shouldBeEqualComparingTo 1 // Comparable-based135            1.shouldBeBetween(0, 2)136            1 shouldBeInRange 0..2137            0.shouldBeZero()138            1.shouldBePositive()...

GraphProperties.kt

Source:GraphProperties.kt

...11import io.kotest.property.arbitrary.*12import kotlinx.collections.immutable.*13class GraphProperties : FreeSpec({14    "removing path from graph" - {15        "leaves a smaller graph" {16            forAll(Arb.graphWithPairOfVertices) { (graph, path) ->17                graph.size >= graph.removePath(path.first, path.second, Distances(graph)).size18            }19        }20        "decreases source and target node degree by one" {21            val data =22                Arb.graphWithPairOfVertices.filter { (g, path) -> g.nodeDegree(path.first) > 1 && g.nodeDegree(path.second) > 1 }23            checkAll(data) { (graph, path) ->24                val originalDegrees = graph.nodeDegree(path.first) to graph.nodeDegree(path.second)25                graph.removePath(path.first, path.second, Distances(graph)).let {26                    it.nodeDegree(path.first) shouldBe originalDegrees.first - 127                    it.nodeDegree(path.second) shouldBe originalDegrees.second - 128                }29            }...

04_PropertyBasedStrategies.kt

Source:04_PropertyBasedStrategies.kt

...60                a.trim().trim().trim() shouldBe a.trim()61            }62        }63    }64    context("Solve a smaller problem first") {65    }66    context("Hard to prove, easy to verify") {67        xshould("prime factor") {68            checkAll(Arb.int(1..100)) { a ->69                a.primeFactors().reduce(Int::times) shouldBe a70            }71        }72    }73    context("The test oracle") {74        // naive vs optimized version75        xshould("test again an other implementation, maybe a not performant one") {76            checkAll<Int, Int> { a, b ->77                add(a, b) shouldBe a + b78            }...

IntShrinkerTest.kt

Source:IntShrinkerTest.kt

...28         }29         "include zero as the first candidate" {30            shrinker.shrink(55).shouldHaveElementAt(0, 0)31         }32         "include fiver smaller elements" {33            shrinker.shrink(55).shouldContainAll(50, 51, 52, 53, 54)34         }35         "include fiver smaller elements unless smaller than zero" {36            shrinker.shrink(2).shouldNotContain(-2)37         }38         "include abs value for negative" {39            shrinker.shrink(-55).shouldContain(55)40            shrinker.shrink(55).shouldNotContain(55)41         }42         "include 1 and negative 1" {43            val candidates = shrinker.shrink(56)44            candidates.shouldContainAll(1, -1)45         }46         "include 1/3" {47            val candidates = shrinker.shrink(90)48            candidates.shouldContain(30)49         }...

LongShrinkerTest.kt

Source:LongShrinkerTest.kt

...27         }28         "include zero as the first candidate" {29            shrinker.shrink(55).shouldHaveElementAt(0, 0)30         }31         "include fiver smaller elements" {32            shrinker.shrink(55).shouldContainAll(50, 51, 52, 53, 54)33         }34         "include fiver smaller elements unless smaller than zero" {35            shrinker.shrink(2).shouldNotContain(-2)36         }37         "include abs value for negative" {38            shrinker.shrink(-55).shouldContain(55)39            shrinker.shrink(55).shouldNotContain(55)40         }41         "include 1 and negative 1" {42            val candidates = shrinker.shrink(56)43            candidates.shouldContainAll(1, -1)44         }45         "include 1/3" {46            val candidates = shrinker.shrink(90)47            candidates.shouldContain(30)48         }...

NormalTests.kt

Source:NormalTests.kt

...21    fun `simple test`() {22        x shouldBe 723    }24    @Test25    fun `numbers are greater or smaller`() {26        7 shouldBeGreaterThan 527    }28    @Test29    fun `true or false`() {30        (7 > 5) shouldBe true31    }32    @Test33    fun `list contains and does not contain element`() {34        (listOf(1, 2) - listOf(1, 2, 3)) should beEmpty()35        (listOf(1, 2) - listOf(2, 3)) shouldHaveSize 136        listOf(1, 2, 3, 4, 5) shouldContain 137        listOf(1, 2, 3, 4, 5) shouldContainInOrder listOf(2, 3)38        listOf(1, 2, 3, 4, 5) shouldNotContain 739    }...

3_ImmutabilityShould.kt

Source:3_ImmutabilityShould.kt

1package freshStart2import io.kotest.core.spec.style.StringSpec3import io.kotest.matchers.collections.shouldBeSmallerThan4import io.kotest.matchers.shouldBe5class `3_ImmutabilityShould` : StringSpec({6    "be immutable by default" {7        val unitArray: Array<String> = Array(10) { i -> "Number of index: $i"  }8        unitArray.size shouldBe 109        // unitArray.add("1")10    }11    "be mutable only if needed" {12        val intList1 = arrayOf(1, 2, 3)13        val intList2 = intList1.toList()14        val intMutableList2 = intList1.toMutableList()15        intMutableList2.add(4)16        intMutableList2.size shouldBe 417    }18    "allow list manipulations"{  // https://www.bezkoder.com/kotlin-list-mutable-list/#Add_items_to_List_in_Kotlin19        var nums = listOf(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)20        nums.drop(3)   shouldBeSmallerThan  nums                // [3, 4, 5, 6, 7, 8]21    }22})...

smaller

Using AI Code Generation

1import io.kotest.matchers.collections.*2import io.kotest.matchers.ints.*3import io.kotest.matchers.longs.*4import io.kotest.matchers.maps.*5import io.kotest.matchers.numerics.*6import io.kotest.matchers.nulls.*7import io.kotest.matchers.sequences.*8import io.kotest.matchers.strings.*9import io.kotest.matchers.types.*10import io.kotest.matchers.withClue.*11import io.kotest.properties.*12import io.kotest.property.*13import io.kotest.property.arbitrary.*14import io.kotest.property.exhaustive.*15import io.kotest.property.internal.*16import io.kotest.property.internal.extensions.*17import io.kotest.property.internal.gen.*18import io.kotest.property.internal.param.*19import io.kotest.property.internal.param.random.*20import io.kotest.property.internal.param.random.random.*

smaller

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.shouldContainExactlyInAnyOrderOnly5    import io.kotest.matchers.collections.shouldContainExactlyInOrder6    import io.kotest.matchers.collections.shouldContainExactlyInOrderOnly7    import io.kotest.matchers.collections.shouldContainInAnyOrder8    import io.kotest.matchers.collections.shouldContainInAnyOrderOnly9    import io.kotest.matchers.collections.shouldContainInOrder10    import io.kotest.matchers.collections.shouldContainInOrderOnly11    import io.kotest.matchers.collections.shouldContainNone12    import io.kotest.matchers.collections.shouldContainOnly13    import io.kotest.matchers.collections.shouldContainSome14    import io.kotest.matchers.collections.shouldContainSomeInAnyOrder15    import io.kotest.matchers.collections.shouldContainSomeInOrder16    import io.kotest.matchers.collections.shouldHaveAtLeastOneElement17    import io.kotest.matchers.collections.shouldHaveAtLeastOneElementWhich18    import io.kotest.matchers.collections.shouldHaveAtLeastSize19    import io.kotest.matchers.collections.shouldHaveAtMostOneElement20    import io.kotest.matchers.collections.shouldHaveAtMostOneElementWhich21    import io.kotest.matchers.collections.shouldHaveAtMostSize22    import io.kotest.matchers.collections.shouldHaveElement23    import io.kotest.matchers.collections.shouldHaveElementAt24    import io.kotest.matchers.collections.shouldHaveElementAtWhich25    import io.kotest.matchers.collections.shouldHaveSingleElement26    import io.kotest.matchers.collections.shouldHaveSingleElementWhich27    import io.kotest.matchers.collections.shouldHaveSize28    import io.kotest.matchers.collections.shouldHaveSomeElement29    import io.kotest.matchers.collections.shouldHaveSomeElementWhich30    import io.kotest.matchers.collections.shouldHaveUniqueElements31    import io.kotest.matchers.collections.shouldNotContainAll32    import io.kotest.matchers.collections.shouldNotContainAny33    import io.kotest.matchers.collections.shouldNotContainAnyInOrder34    import io.kotest.matchers.collections.shouldNot

smaller

Using AI Code Generation

1+import io.kotest.matchers.shouldBe2+import io.kotest.matchers.shouldNotBe3+import io.kotest.matchers.shouldNotThrow4+import io.kotest.matchers.shouldThrow5+import io.kotest.matchers.string.shouldContain6+import io.kotest.matchers.string.shouldNotContain7+import io.kotest.matchers.string.shouldStartWith8+import io.kotest.matchers.types.shouldBeInstanceOf9+import io.kotest.matchers.types.shouldBeTypeOf10+import io.kotest.matchers.types.shouldNotBeInstanceOf11+import io.kotest.matchers.types.shouldNotBeTypeOf12+import kotlin.test.Test13+class MatchersTest {14+    fun `test matchers`() {15+        shouldThrow<IllegalArgumentException> {16+            throw IllegalArgumentException()17+        }18+        shouldNotThrow<IllegalArgumentException> {19+        }20+        listOf(1, 2, 3) shouldContain 221+        listOf(1, 2, 3) shouldContainAll listOf(1, 2)22+        listOf(1, 2, 3) shouldContainExactly listOf(3, 2, 1)23+        listOf(1, 2, 3) shouldContainInOrder listOf(1, 2)24+        listOf(1, 2, 3) shouldContainNone listOf(4, 5)25+        listOf(1, 2, 3) shouldContainSame listOf(3, 2, 1)26+        listOf(1, 2, 3) shouldHaveSize 327+        listOf(1, 2, 3) shouldNotContain 428+        listOf(1, 2, 3) shouldNotContainAll listOf(4, 5)29+        listOf(1, 2,

smaller

Using AI Code Generation

1    import io.kotest.matchers.collections.shouldContain2    import io.kotest.matchers.collections.shouldContainAll3    import io.kotest.matchers.ints.shouldBeGreaterThan4    import io.kotest.matchers.ints.shouldBeLessThan5    import io.kotest.matchers.longs.shouldBeGreaterThan6    import io.kotest.matchers.longs.shouldBeLessThan7    import io.kotest.matchers.maps.shouldContain8    import io.kotest.matchers.maps.shouldContainAll9    import io.kotest.matchers.numerics.shouldBeGreaterThan10    import io.kotest.matchers.numerics.shouldBeLessThan11    import io.kotest.matchers.optionals.shouldBeEmpty12    import io.kotest.matchers.optionals.shouldBePresent13    import io.kotest.matchers.sequences.shouldContain14    import io.kotest.matchers.sequences.shouldContainAll15    import io.kotest.matchers.strings.shouldContain16    import io.kotest.matchers.strings.shouldContainAll

smaller

Using AI Code Generation

1    import io.kotest.matchers.collections.shouldContainAll2    import io.kotest.matchers.collections.shouldHaveSize3    import io.kotest.matchers.string.shouldContain4    import io.kotest.matchers.string.shouldHaveLength5    class Test : StringSpec({6        "test" {7            val list = listOf(1, 2, 3, 4)8            list shouldContainAll listOf(1, 2)9        }10    })

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.