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     }

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