我想转向:
eventually { assert(x == 0) }
进入:
verify { x == 0 }
并且仍然得到一个不错的控制台消息:
Caused by: org.scalatest.exceptions.TestFailedException: 1 did not equal 0
如何实现验证
?
最佳答案
verify
也必须是一个宏:
import scala.language.experimental.macros
import scala.reflect.macros.blackbox
class VerifyMacro(val c: blackbox.Context) {
import c.universe._
def verifyImpl(condition: Tree): Tree =
q"${c.prefix}.eventually(${c.prefix}.assert($condition))"
}
import org.scalatest._
import org.scalatest.concurrent._
trait Verifications extends Assertions with Eventually {
def verify(condition: Boolean): Assertion = macro VerifyMacro.verifyImpl
}
关于scala - 如何扩展 scalatest 断言宏,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/50389616/