android - Unit Test orEmpty() method Kotlin

Question

I am writing Junit Test case but in Jacoco code coverage I am not able o cover this line uri.host.orEmpty() How to write unit test case for uri.host.orEmpty() I wrote this case but it didn't work

var url = "https://abc.co.jp/app/#/dashboard"
        val uri = URLUtil.getHostName(url)
        uri shouldBe "abc.co.jp"

        url = "https://"
        URLUtil.getHostName(url) shouldBe ""

question from:https://stackoverflow.com/questions/66058235/unit-test-orempty-method-kotlin

Answer 1

Just do host?:"" instead of calling a function, code coverage can be ignored on library functions, but if you want to cover most of it do below

fun getHostName(url: String): String{
    val uri = Uri.parse(url)
    return uri.host?:""
}