How to use PropertyResult class of io.kotest.property package

Best Kotest code snippet using io.kotest.property.PropertyResult

LabelsReporter.kt

Source:LabelsReporter.kt

1package io.kotest.property.classifications2import io.kotest.common.ExperimentalKotest3import io.kotest.property.PropertyResult4import kotlin.math.max5import kotlin.math.roundToInt6/**7 * Pluggable interface for outputting input value labels used in property testing.8 */9@ExperimentalKotest10interface LabelsReporter {11   fun output(result: PropertyResult)12}13@ExperimentalKotest14object StandardLabelsReporter : LabelsReporter {15   private fun row(label: String, count: Int, attempts: Int, countPad: Int) {16      val percentage = max(((count / attempts.toDouble() * 100.0)).roundToInt(), 1)17      println("${label.padEnd(60, ' ')} ${count.toString().padStart(countPad, ' ')} ($percentage%)")18   }19   override fun output(result: PropertyResult) {20      val countPad = result.attempts.toString().length21      result.inputs.forEach { arg ->22         println("Label statistics for arg $arg (${result.attempts} inputs):")23         result.labels[arg]?.forEach { (label, count) ->24            row(label, count, result.attempts, countPad)25         }26         val other = result.attempts - (result.labels[arg]?.values?.sum() ?: 0)27         if (other > 0) {28            row("OTHER", other, result.attempts, countPad)29         }30         println()31      }32   }33}...

output.kt

Source:output.kt

1package io.kotest.property.classifications2import io.kotest.property.PropTestConfig3import io.kotest.property.PropertyContext4import 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}...

result.kt

Source:result.kt

1package io.kotest.property2/**3 * Models the results of a single property test.4 */5data class PropertyResult(6   // the argument names used, if possible to derive on the platforms, otherwise the index of that arg7   val inputs: List<String>,8   val seed: Long,9   val attempts: Int,10   val successes: Int,11   val failures: Int,12   // a map of maps, where each map is the classification labels for the named argument13   val labels: Map<String, Map<String, Int>>,14)...

PropertyResult

Using AI Code Generation

1import io.kotest.property.PropertyResult2import io.kotest.property.forAll3import io.kotest.property.prop4import io.kotest.property.property5class PropertyResultTest {6    fun `PropertyResult example`() {7        property("property with property function") {8            forAll { a: Int, b: Int ->9            }10        }11        prop("property with prop function") {12            forAll { a: Int, b: Int ->13            }14        }15        property("property with property function") {16            forAll { a: Int, b: Int ->17                PropertyResult(a + b == b + a, "a=$a, b=$b")18            }19        }20        prop("property with prop function") {21            forAll { a: Int, b: Int ->22                PropertyResult(a + b == b + a, "a=$a, b=$b")23            }24        }25    }26}

PropertyResult

Using AI Code Generation

1class PropertyResultTest : FunSpec({2    test("test property result") {3        val result = checkAll(100, Gen.int(), Gen.int()) { a, b ->4        }5        result shouldBe PropertyResult(status = PropertyStatus.Success)6    }7})

PropertyResult

Using AI Code Generation

1+class PropertyResultTest : StringSpec({2+    "PropertyResult" {3+        forAll<Int, Int> { a, b ->4+        }.check()5+    }6+})

PropertyResult

Using AI Code Generation

1class PropertyResultTest : StringSpec({2    "PropertyResult"{3        val result = property(Arb.int(1..100)) { n ->4        }5    }6})

PropertyResult

Using AI Code Generation

1class PropertyResultTest: StringSpec({2    "propertyResult" {3        val result = property { forAll { a: Int, b: Int ->4        } }5        result.labels shouldBe emptyMap()6    }7})

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.