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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})

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