Mockito 可以处理 Scala 中返回泛型的方法吗？
我想模拟 javax. servlet.http.HttpServletRequest，getParameterNames()。因此：
import org.specs.Specification
import org.specs.mock.Mockito
import scala.collection.JavaConversions._
import javax.servlet.http.HttpServletRequest
object SomethingSpec extends Specification with Mockito {
"Something" should {
"do something" in {
val request = mock[HttpServletRequest]
// This is fine
val elements: java.util.Enumeration[String] = List("p1", "p2").iterator
// But this bombs
request.getParameterNames() return elements
}
}
}
最后一行的编译会导致这个难以理解的错误：
found : java.util.Enumeration[String]
required: java.util.Enumeration[?0] where type ?0
我做错了什么吗？
I want to mock the return from javax.servlet.http.HttpServletRequest, getParameterNames(). Therefore:
import org.specs.Specification
import org.specs.mock.Mockito
import scala.collection.JavaConversions._
import javax.servlet.http.HttpServletRequest
object SomethingSpec extends Specification with Mockito {
"Something" should {
"do something" in {
val request = mock[HttpServletRequest]
// This is fine
val elements: java.util.Enumeration[String] = List("p1", "p2").iterator
// But this bombs
request.getParameterNames() return elements
}
}
}
Compilation of the last line results in this difficult-to-understand error:
found : java.util.Enumeration[String]
required: java.util.Enumeration[?0] where type ?0
Am I doing something wrong?
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您是否尝试过从 HttpServletRequest 中转换返回值
，就像 getParameterNames 返回一个无类型枚举一样。
have you tried to cast the return value from the HttpServletRequest like
It seems, getParameterNames returns an untyped Enumeration.