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How to use KProperty.shouldBeNotNullable method of io.kotest.matchers.property.matchers class

Best Kotest code snippet using io.kotest.matchers.property.matchers.KProperty.shouldBeNotNullable

matchers.kt

Source:matchers.kt

1package io.kotest.matchers.property2import io.kotest.matchers.Matcher3import io.kotest.matchers.MatcherResult4import io.kotest.matchers.should5import kotlin.reflect.KMutableProperty6import kotlin.reflect.KProperty7fun beNullable() = Matcher<KProperty<*>> {8   MatcherResult(9      it.returnType.isMarkedNullable,10      { "Property $it return type should be nullable" },11      { "Property $it return type should not be nullable" },12   )13}14fun beNotNullable() = beNullable().invert()15fun beMutable() = Matcher<KProperty<*>> {16   MatcherResult(17      it is KMutableProperty<*>,18      { "Property $it return type should be mutable" },19      { "Property $it return type should be immutable" },20   )21}22fun beImmutable() = beMutable().invert()23fun beNamed(expectedName: String) = Matcher<KProperty<*>> {24   MatcherResult(25      it.name == expectedName,26      { "Property $it should be named $expectedName" },27      { "Property $it should not be named $expectedName" },28   )29}30fun KProperty<*>.shouldBeNullable() = this should beNullable()31fun KProperty<*>.shouldBeNotNullable() = this should beNullable().invert()32fun KProperty<*>.shouldBeMutable() = this should beMutable()33fun KProperty<*>.shouldBeImmutable() = this should beImmutable()34infix fun KProperty<*>.shouldBeNamed(expectedName: String) = this should beNamed(expectedName)...

KProperty.shouldBeNotNullable

Using AI Code Generation

1import io.kotest.matchers.property.matchers.shouldBeNotNullable2import io.kotest.matchers.property.matchers.shouldBeNull3import io.kotest.matchers.property.matchers.shouldBeNullIf4import io.kotest.matchers.property.matchers.shouldBeNullable5import io.kotest.matchers.property.matchers.shouldBeTrueIf6import io.kotest.matchers.property.matchers.shouldNotBeNullIf7import io.kotest.matchers.property.matchers.shouldNotBeTrueIf8import io.kotest.matchers.property.matchers.shouldNotBeTrueIfNull9import io.kotest.matchers.property.matchers.shouldNotBeTrueIfNullOr10import io.kotest.matchers.property.matchers.shouldNotBeTrueIfNullAnd11import io.kotest.matchers.property.matchers.shouldNotBeTrueIfNullOr12import io.kotest.matchers.property.matchers.shouldNotBeTrueIfOr13import io.kotest.matchers.property.matchers.shouldNotBeTrueIfOrNull14import io.kotest.matchers.property.matchers.shouldNotBeTrueIfOrNullAnd15import io.kotest.matchers.property.matchers.shouldNotBeTrueIfOrNullOr16data class Person(val name: String, val age: Int?, val address: Address?)17data class Address(val street: String, val city: String, val country: String)18fun main() {19    val person = Person("John", null, null)20    person::address.shouldNotBeTrueIfOrNullAnd { it.country

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