com.wesleyhome.test.jupiter.provider.EnumParameterDataProvider.kt Maven / Gradle / Ivy

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Library to help generate test parameter permutations for parameterized tests in JUnit. This version is an initial attempt to convert to building with Gradle.

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package com.wesleyhome.test.jupiter.provider

import kotlin.reflect.full.isSubclassOf

object EnumParameterDataProvider : ParameterDataProvider> {
    override fun providesDataFor(testParameter: TestParameter): Boolean {
        return testParameter.type.isSubclassOf(Enum::class)
    }

    override fun createParameterOptionsData(testParameter: TestParameter): List?> {
        return testParameter.type.java.enumConstants.map { it as Enum<*> }.let {
            if (testParameter.isNullable) {
                it + null
            } else {
                it
            }
        }
    }
}