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How to use LabelsReporter class of io.kotest.property.classifications package

Best Kotest code snippet using io.kotest.property.classifications.LabelsReporter

config.kt

Source:config.kt

1package io.kotest.property2import io.kotest.common.ExperimentalKotest3import io.kotest.mpp.atomics.AtomicProperty4import io.kotest.mpp.sysprop5import io.kotest.property.classifications.LabelsReporter6import io.kotest.property.classifications.StandardLabelsReporter7/**8 * Global object containing settings for property testing.9 */10object PropertyTesting {11   var maxFilterAttempts: Int by AtomicProperty {12      1013   }14   var shouldPrintShrinkSteps: Boolean by AtomicProperty {15      sysprop("kotest.proptest.output.shrink-steps", true)16   }17   var shouldPrintGeneratedValues: Boolean by AtomicProperty {18      sysprop("kotest.proptest.output.generated-values", false)19   }20   var edgecasesBindDeterminism: Double by AtomicProperty {21      sysprop("kotest.proptest.arb.edgecases-bind-determinism", 0.9)22   }23   var defaultSeed: Long? by AtomicProperty {24      sysprop("kotest.proptest.default.seed", null) { it.toLong() }25   }26   var defaultMinSuccess: Int by AtomicProperty {27      sysprop("kotest.proptest.default.min-success", Int.MAX_VALUE)28   }29   var defaultMaxFailure: Int by AtomicProperty {30      sysprop("kotest.proptest.default.max-failure", 0)31   }32   var defaultIterationCount: Int by AtomicProperty {33      sysprop("kotest.proptest.default.iteration.count", 1000)34   }35   var defaultShrinkingMode: ShrinkingMode by AtomicProperty {36      ShrinkingMode.Bounded(1000)37   }38   var defaultListeners: List<PropTestListener> by AtomicProperty {39      listOf()40   }41   var defaultEdgecasesGenerationProbability: Double by AtomicProperty {42      sysprop("kotest.proptest.arb.edgecases-generation-probability", 0.02)43   }44   var defaultOutputClassifications: Boolean by AtomicProperty {45      sysprop("kotest.proptest.arb.output.classifications", false)46   }47   var failOnSeed: Boolean by AtomicProperty {48      sysprop("kotest.proptest.seed.fail-if-set", false)49   }50   var writeFailedSeed: Boolean by AtomicProperty {51      sysprop("kotest.proptest.seed.write-failed", true)52   }53}54fun EdgeConfig.Companion.default(): EdgeConfig = EdgeConfig(55   edgecasesGenerationProbability = PropertyTesting.defaultEdgecasesGenerationProbability56)57data class PropTest(58   val seed: Long? = PropertyTesting.defaultSeed,59   val minSuccess: Int = PropertyTesting.defaultMinSuccess,60   val maxFailure: Int = PropertyTesting.defaultMaxFailure,61   val shrinkingMode: ShrinkingMode = PropertyTesting.defaultShrinkingMode,62   val iterations: Int? = null,63   val listeners: List<PropTestListener> = PropertyTesting.defaultListeners,64   val edgeConfig: EdgeConfig = EdgeConfig.default(),65   val constraints: Constraints? = null,66)67fun PropTest.toPropTestConfig() =68   PropTestConfig(69      seed = seed,70      minSuccess = minSuccess,71      maxFailure = maxFailure,72      iterations = iterations,73      shrinkingMode = shrinkingMode,74      listeners = listeners,75      edgeConfig = edgeConfig76   )77/**78 * Property Test Configuration to be used by the underlying property test runner79 *80 * @param iterations The number of iterations to run. If null either the global [PropertyTesting]'s default value81 *                      will be used, or the minimum iterations required for the supplied generations. Whichever is82 *                      greater.83 *84 * @param constraints controls the loop for properties. See [Constraints].85 */86@OptIn(ExperimentalKotest::class)87data class PropTestConfig(88   val seed: Long? = PropertyTesting.defaultSeed,89   val minSuccess: Int = PropertyTesting.defaultMinSuccess,90   val maxFailure: Int = PropertyTesting.defaultMaxFailure,91   val shrinkingMode: ShrinkingMode = PropertyTesting.defaultShrinkingMode,92   val iterations: Int? = null,93   val listeners: List<PropTestListener> = PropertyTesting.defaultListeners,94   val edgeConfig: EdgeConfig = EdgeConfig.default(),95   val outputClassifications: Boolean = PropertyTesting.defaultOutputClassifications,96   val labelsReporter: LabelsReporter = StandardLabelsReporter,97   val constraints: Constraints? = null,98)99interface PropTestListener {100   suspend fun beforeTest(): Unit = Unit101   suspend fun afterTest(): Unit = Unit102}

LabelsReporter.kt

Source:LabelsReporter.kt

...6/**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)...

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}...

LabelsReporter

Using AI Code Generation

1val reporter = LabelsReporter()2val config = PropertyTestingConfig(reporter = reporter)3val reporter = LabelsReporter()4val config = PropertyTestingConfig(reporter = reporter)5val reporter = LabelsReporter()6val config = PropertyTestingConfig(reporter = reporter)7val reporter = LabelsReporter()8val config = PropertyTestingConfig(reporter = reporter)9val reporter = LabelsReporter()10val config = PropertyTestingConfig(reporter = reporter)11val reporter = LabelsReporter()12val config = PropertyTestingConfig(reporter = reporter)13val reporter = LabelsReporter()14val config = PropertyTestingConfig(reporter = reporter)15val reporter = LabelsReporter()16val config = PropertyTestingConfig(reporter = reporter)17val reporter = LabelsReporter()18val config = PropertyTestingConfig(reporter = reporter)19val reporter = LabelsReporter()20val config = PropertyTestingConfig(reporter = reporter)21val reporter = LabelsReporter()22val config = PropertyTestingConfig(reporter = reporter)23val reporter = LabelsReporter()24val config = PropertyTestingConfig(reporter = reporter)25val reporter = LabelsReporter()26val config = PropertyTestingConfig(reporter = reporter)27val reporter = LabelsReporter()28val config = PropertyTestingConfig(reporter = reporter)29val reporter = LabelsReporter()30val config = PropertyTestingConfig(reporter = reporter)

LabelsReporter

Using AI Code Generation

1val result = forAll(1000, Gen.int(), Gen.int()) { a, b ->2}3println(result.classifications())4LabelsReporter: LabelsReporter(5labels = [LabelsReporter.Label(name=shrinking, count=0, labels=[]), LabelsReporter.Label(name=success, count=1000, labels=[])],6val result = forAll(1000, Gen.int(), Gen.int()) { a, b ->7}8println(result.classifications())9LabelsReporter: LabelsReporter(10labels = [LabelsReporter.Label(name=shrinking, count=0, labels=[]), LabelsReporter.Label(name=success, count=1000, labels=[])],

LabelsReporter

Using AI Code Generation

1val reporter = LabelsReporter()2val result = property(config = PropertyConfig(reporter = reporter), prop = ::myProperty).check()3println(reporter.labels)4val result = property(config = PropertyConfig(reporter = LabelsReporter()), prop = ::myProperty).check()5println(result.labels)6val result = property(config = PropertyConfig(reporter = LabelsReporter()), prop = ::myProperty).check()7println(result.labels)

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