com.wesleyhome.test.jupiter.provider.datetime.AbstractAnnotatedDateTimeRangeDataProvider.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.datetime

import com.wesleyhome.test.jupiter.annotations.validation.datetime.DateTimeRangeValidator
import com.wesleyhome.test.jupiter.propertyValue
import com.wesleyhome.test.jupiter.provider.AbstractAnnotatedParameterDataProvider
import com.wesleyhome.test.jupiter.provider.TestParameter

internal abstract class AbstractAnnotatedDateTimeRangeDataProvider, A : Annotation> :
    AbstractAnnotatedParameterDataProvider() {

    open val formatPropertyName: String = ""

    final override fun createParameterOptionsData(testParameter: TestParameter): List {
        val annotation = findAnnotation(testParameter)!!
        val format = getFormatString(annotation)
        val minString = annotation.propertyValue("min")
        val maxString = annotation.propertyValue("max")
        val increment = annotation.propertyValue("increment")
        DateTimeRangeValidator.validate(minString, maxString, increment, format, this::convert).apply {
            if (isNotEmpty()) {
                throw IllegalArgumentException(joinToString(", "))
            }
        }
        val min = convert(minString, format)
        val max = convert(maxString, format)
        val ascending = annotation.propertyValue("ascending")
        val range = toList(min, max, increment)
        return if (ascending) {
            range
        } else {
            range.reversed()
        }
    }

    open fun getFormatString(annotation: A): String = annotation.propertyValue(formatPropertyName)

    abstract fun toList(min: T, max: T, increment: String): List

    abstract fun convert(value: String, format: String): T
}