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

Copied to Clipboard!

How to use failures method of io.kotest.property.PropertyContext class

Best Kotest code snippet using io.kotest.property.PropertyContext.failures

CheckAllExt.kt

Source:CheckAllExt.kt

...20import io.kotest.property.PropertyContext21import io.kotest.property.checkAll22// 1 parameter23/**24 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.25 */26suspend inline fun <reified A> Fixture.checkAll(27    noinline function: suspend PropertyContext.(a: A) -> Unit28) = checkAll(kotestGen(), function)29/**30 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.31 */32suspend inline fun <reified A> Fixture.checkAll(33    iterations: Int,34    noinline function: suspend PropertyContext.(a: A) -> Unit35) = checkAll(iterations, kotestGen(), function)36/**37 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.38 */39suspend inline fun <reified A> Fixture.checkAll(40    config: PropTestConfig,41    noinline function: suspend PropertyContext.(a: A) -> Unit42) = checkAll(config, kotestGen(), function)43/**44 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.45 */46suspend inline fun <reified A> Fixture.checkAll(47    iterations: Int,48    config: PropTestConfig,49    noinline function: suspend PropertyContext.(a: A) -> Unit50) = checkAll(iterations, config, kotestGen(), function)51// 2 parameters52/**53 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.54 */55suspend inline fun <reified A, reified B> Fixture.checkAll(56    noinline function: suspend PropertyContext.(a: A, b: B) -> Unit57) = checkAll(kotestGen(), kotestGen(), function)58/**59 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.60 */61suspend inline fun <reified A, reified B> Fixture.checkAll(62    iterations: Int,63    noinline function: suspend PropertyContext.(a: A, b: B) -> Unit64) = checkAll(iterations, kotestGen(), kotestGen(), function)65/**66 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.67 */68suspend inline fun <reified A, reified B> Fixture.checkAll(69    config: PropTestConfig,70    noinline function: suspend PropertyContext.(a: A, b: B) -> Unit71) = checkAll(config, kotestGen(), kotestGen(), function)72/**73 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.74 */75suspend inline fun <reified A, reified B> Fixture.checkAll(76    iterations: Int,77    config: PropTestConfig,78    noinline function: suspend PropertyContext.(a: A, b: B) -> Unit79) = checkAll(iterations, config, kotestGen(), kotestGen(), function)80// 3 parameters81/**82 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.83 */84suspend inline fun <reified A, reified B, reified C> Fixture.checkAll(85    noinline function: suspend PropertyContext.(a: A, b: B, c: C) -> Unit86) = checkAll(kotestGen(), kotestGen(), kotestGen(), function)87/**88 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.89 */90suspend inline fun <reified A, reified B, reified C> Fixture.checkAll(91    iterations: Int,92    noinline function: suspend PropertyContext.(a: A, b: B, c: C) -> Unit93) = checkAll(iterations, kotestGen(), kotestGen(), kotestGen(), function)94/**95 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.96 */97suspend inline fun <reified A, reified B, reified C> Fixture.checkAll(98    config: PropTestConfig,99    noinline function: suspend PropertyContext.(a: A, b: B, c: C) -> Unit100) = checkAll(config, kotestGen(), kotestGen(), kotestGen(), function)101/**102 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.103 */104suspend inline fun <reified A, reified B, reified C> Fixture.checkAll(105    iterations: Int,106    config: PropTestConfig,107    noinline function: suspend PropertyContext.(a: A, b: B, c: C) -> Unit108) = checkAll(iterations, config, kotestGen(), kotestGen(), kotestGen(), function)109// 4 parameters110/**111 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.112 */113suspend inline fun <reified A, reified B, reified C, reified D> Fixture.checkAll(114    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D) -> Unit115) = checkAll(kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)116/**117 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.118 */119suspend inline fun <reified A, reified B, reified C, reified D> Fixture.checkAll(120    iterations: Int,121    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D) -> Unit122) = checkAll(iterations, kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)123/**124 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.125 */126suspend inline fun <reified A, reified B, reified C, reified D> Fixture.checkAll(127    config: PropTestConfig,128    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D) -> Unit129) = checkAll(config, kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)130/**131 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.132 */133suspend inline fun <reified A, reified B, reified C, reified D> Fixture.checkAll(134    iterations: Int,135    config: PropTestConfig,136    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D) -> Unit137) = checkAll(iterations, config, kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)138// 5 parameters139/**140 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.141 */142suspend inline fun <reified A, reified B, reified C, reified D, reified E> Fixture.checkAll(143    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D, e: E) -> Unit144) = checkAll(kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)145/**146 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.147 */148suspend inline fun <reified A, reified B, reified C, reified D, reified E> Fixture.checkAll(149    iterations: Int,150    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D, e: E) -> Unit151) = checkAll(iterations, kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)152/**153 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.154 */155suspend inline fun <reified A, reified B, reified C, reified D, reified E> Fixture.checkAll(156    config: PropTestConfig,157    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D, e: E) -> Unit158) = checkAll(config, kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)159/**160 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.161 */162suspend inline fun <reified A, reified B, reified C, reified D, reified E> Fixture.checkAll(163    iterations: Int,164    config: PropTestConfig,165    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D, e: E) -> Unit166) = checkAll(iterations, config, kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)167// 6 parameters168/**169 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.170 */171suspend inline fun <reified A, reified B, reified C, reified D, reified E, reified F> Fixture.checkAll(172    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D, e: E, f: F) -> Unit173) = checkAll(kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)174/**175 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.176 */177suspend inline fun <reified A, reified B, reified C, reified D, reified E, reified F> Fixture.checkAll(178    iterations: Int,179    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D, e: E, f: F) -> Unit180) = checkAll(iterations, kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)181/**182 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.183 */184suspend inline fun <reified A, reified B, reified C, reified D, reified E, reified F> Fixture.checkAll(185    config: PropTestConfig,186    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D, e: E, f: F) -> Unit187) = checkAll(config, kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)188/**189 * Use [Fixture] to generate random objects for type parameters and validate the [function] has no assertion failures.190 */191suspend inline fun <reified A, reified B, reified C, reified D, reified E, reified F> Fixture.checkAll(192    iterations: Int,193    config: PropTestConfig,194    noinline function: suspend PropertyContext.(a: A, b: B, c: C, d: D, e: E, f: F) -> Unit195) = checkAll(iterations, config, kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), kotestGen(), function)...

test.kt

Source:test.kt

...69      }70      println()71      writeFailedSeedIfEnabled(seed)72      throwPropertyTestAssertionError(shrinkfn(), e, context.attempts(), seed)73   } else if (context.failures() > config.maxFailure) {74      var error = "Property failed ${context.failures()} times (maxFailure rate was ${config.maxFailure})\n"75      error += "Last error was caused by args:\n"76      inputs.withIndex().forEach { (index, value) ->77         error += "  $index) ${value.print().value}\n"78      }79      writeFailedSeedIfEnabled(seed)80      throwPropertyTestAssertionError(shrinkfn(), AssertionError(error), context.attempts(), seed)81   }82}...

context.kt

Source:context.kt

...4 * It allows feedback and tracking of the state of the property test.5 */6class PropertyContext {7   private var successes = 08   private var failures = 09   private val classifications = mutableMapOf<String, Int>()10   private val autoclassifications = mutableMapOf<String, MutableMap<String, Int>>()11   fun markSuccess() {12      successes++13   }14   fun markFailure() {15      failures++16   }17   fun successes() = successes18   fun failures() = failures19   fun attempts(): Int = successes + failures20   fun classifications(): Map<String, Int> = classifications.toMap()21   fun autoclassifications(): Map<String, Map<String, Int>> = autoclassifications.toMap()22   /**23    * Increase the count of [label].24    */25   fun classify(label: String) {26      val current = classifications.getOrElse(label) { 0 }27      classifications[label] = current + 128   }29   fun classify(input: Int, label: String) {30      val current = autoclassifications.getOrPut(input.toString()) { mutableMapOf() }31      val count = current[label] ?: 032      current[label] = count + 133      autoclassifications[input.toString()]...

output.kt

Source:output.kt

...4import io.kotest.property.PropertyResult5import io.kotest.property.PropertyTesting6fun PropertyContext.outputClassifications(inputs: Int, config: PropTestConfig, seed: Long) {7   val result =8      PropertyResult(List(inputs) { it.toString() }, seed, attempts(), successes(), failures(), autoclassifications())9   if (config.outputClassifications) config.labelsReporter.output(result)10}...

failures

Using AI Code Generation

1    import io.kotest.property.PropertyContext2    import io.kotest.property.arbitrary.int3    import io.kotest.property.checkAll4    import io.kotest.property.forAll5    import io.kotest.property.prop6    import io.kotest.property.property7    import io.kotest.property.random8    import io.kotest.property.random.RandomSource9    import io.kotest.property.random.SeededRandomSource10    import io.kotest.property.random.seed11    import io.kotest.property.random.seedOrNull12    import kotlin.random.Random13    class PropertyContextTest : StringSpec({14        "should return the seed" {15            val seed = Random.nextLong()16            checkAll(SeededRandomSource(seed)) {17                PropertyContext.random.seedOrNull() shouldBe seed18            }19        }20        "should return the seed from the property" {21            val seed = Random.nextLong()22            property(SeededRandomSource(seed)) {23                PropertyContext.random.seedOrNull() shouldBe seed24            }25        }26        "should return the seed from the prop" {27            val seed = Random.nextLong()28            prop(SeededRandomSource(seed)) {29                PropertyContext.random.seedOrNull() shouldBe seed30            }31        }32        "should return the seed from the forAll" {33            val seed = Random.nextLong()34            forAll(SeededRandomSource(seed)) {35                PropertyContext.random.seedOrNull() shouldBe seed36            }37        }38        "should return null for the seed" {39            checkAll {40                PropertyContext.random.seedOrNull() shouldBe null41            }42        }43        "should return null for the seed from the property" {44            property {45                PropertyContext.random.seedOrNull() shouldBe null46            }47        }48        "should return null for the seed from the prop" {49            prop {50                PropertyContext.random.seedOrNull() shouldBe null51            }52        }53        "should return null for the seed from the forAll" {54            forAll {55                PropertyContext.random.seedOrNull() shouldBe null56            }57        }58        "should return the seed from the random source" {59            val seed = Random.nextLong()60            checkAll(SeededRandomSource(seed)) {61                PropertyContext.random.seed() shouldBe seed62            }63        }64        "should return the seed from the random source from the property" {65            val seed = Random.nextLong()66            property(SeededRandomSource(seed)) {

failures

Using AI Code Generation

1+val propTestConfig = PropertyTestConfig(2+    listeners = listOf(object : PropertyListener {3+        override fun afterFailure(failure: PropertyFailure) {4+            println(failure.input)5+        }6+    })7+val propTestConfig = PropertyTestConfig(8+    listeners = listOf(object : PropertyListener {9+        override fun afterFailure(failure: PropertyFailure) {10+            println(failure.input)11+        }12+    })13+val propTestConfig = PropertyTestConfig(14+    listeners = listOf(object : PropertyListener {15+        override fun beforeIteration(iteration: Int) {16+            println("Before iteration: $iteration")17+        }18+    })19+val propTestConfig = PropertyTestConfig(20+    listeners = listOf(object : PropertyListener {21+        override fun afterIteration(iteration: Int) {22+            println("After iteration: $iteration")23+        }24+    })25+val propTestConfig = PropertyTestConfig(26+    listeners = listOf(object : PropertyListener {27+        override fun beforeProperty(property: Property) {28+            println("Before property: $property")29+        }30+    })

failures

Using AI Code Generation

1class FailureListTest : StringSpec() {2  init {3    "failure list" {4      forAll { a: Int, b: Int ->5        (a + b) % 2 == 06      }7    }8  }9}10class FailureListTest : StringSpec() {11  init {12    "failure list" {13      forAll { a: Int, b: Int ->14        (a + b) % 2 == 015      }16    }17  }18}19class FailureListTest : StringSpec() {20  init {21    "failure list" {22      forAll { a: Int, b: Int ->23        (a + b) % 2 == 024      }25    }26  }27}28class FailureListTest : StringSpec() {29  init {30    "failure list" {31      forAll { a: Int, b: Int ->32        (a + b) % 2 == 033      }34    }35  }36}37class FailureListTest : StringSpec() {38  init {39    "failure list" {40      forAll { a: Int, b: Int ->41        (a + b) % 2 == 042      }43    }44  }45}46class FailureListTest : StringSpec() {47  init {48    "failure list" {49      forAll { a: Int, b: Int ->50        (a + b) % 2 == 051      }52    }53  }54}55class FailureListTest : StringSpec() {56  init {57    "failure list" {58      forAll { a: Int, b: Int ->59        (a + b) % 2 ==

failures

Using AI Code Generation

1data class SampleData(val data1: String, val data2: String, val data3: String)2class SampleTest : FunSpec() {3    init {4        test("Sample test") {5            val config = PropTestConfig(iterations = 100, seed = 1234L)6            val gen = Gen.bind(Gen.string(), Gen.string(), Gen.string()) { data1, data2, data3 ->7                SampleData(data1, data2, data3)8            }9            checkAll(config, gen) { sampleData ->10                if (sampleData.data1 == "Hello") {11                    fail("Sample data contains Hello")12                }13            }14        }15    }16}17"hello" should be("hello")18"hello" should equal("hello")19"hello" shouldNot be("hello")20"hello" shouldNot equal("hello")21"hello" should startWith("h")22"hello" should endWith("o")

failures

Using AI Code Generation

1+fun <A> PropertyContext.forAll(vararg gens: Gen<A>, fn: (A) -> Boolean) =2+    forAll(gens.toList(), fn)3+fun <A> PropertyContext.forAll(gens: List<Gen<A>>, fn: (A) -> Boolean) =4+    forAll(gens, fn, { it })5+fun <A> PropertyContext.forAll(6+    fn: (A) -> Boolean,7+    failure: (A) -> Any?8+    forAll(gens, fn, failure, { it })9+fun <A> PropertyContext.forAll(10+    fn: (A) -> Boolean,11+    failure: (A) -> Any?,12+    labels: (A) -> Map<String, Any?>13+    forAll(gens, fn, failure, labels, { it })14+fun <A> PropertyContext.forAll(15+    fn: (A) -> Boolean,16+    failure: (A) -> Any?,17+    labels: (A) -> Map<String, Any?>,18+    edgecases: (A) -> List<A>19+    forAll(gens, fn, failure, labels, edgecases, { it })20+fun <A> PropertyContext.forAll(21+    fn: (A) -> Boolean,22+    failure: (A) -> Any?,23+    labels: (A) -> Map<String, Any?>,24+    edgecases: (A) -> List<A>,25+    forAll(gens, fn, failure, labels, edgecases, shrinker, { it })26+fun <A> PropertyContext.forAll(27+    fn: (A) -> Boolean,28+    failure: (A) -> Any?,29+    labels: (A) -> Map<String, Any?>,30+    edgecases: (A) -> List<A>,31+    forAll(gens, fn, failure, labels

failures

Using AI Code Generation

1     val result = if (failures.isEmpty()) {2       println("All tests passed!")3       exitProcess(0)4@@ -47,7 +47,7 @@ fun main() {5     val result = if (failures.isEmpty()) {6       println("All tests passed!")7       exitProcess(0)8-    } else {9       println(failures.joinToString("\n"))10       exitProcess(1)11     }12@@ -89,7 +89,7 @@ fun main() {13     val result = if (failures.isEmpty()) {14       println("All tests passed!")15       exitProcess(0)16-    } else {17       println(failures.joinToString("\n"))18       exitProcess(1)19     }

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.