我对 Scala 真的很陌生。我尝试使用 Mockito 模拟一个简单的 Scala 函数,但出现以下错误。我已经检查了互联网,但我无法找出错误。
object TempScalaService {
def login(userName: String, password: String): Boolean = {
if (userName.equals("root") && password.equals("admin123")) {
return true
}
else return false
}
}
我的测试课在下面
class TempScalaServiceTest extends FunSuite with MockitoSugar{
test ("test login "){
val service = mock[TempScalaService.type]
when(service.login("user", "testuser")).thenReturn(true)
//some implementation
}
}
但我收到以下错误:
Cannot mock/spy class com.pearson.tellurium.analytics.aggregation.TempScalaService$
Mockito cannot mock/spy following:
- final classes
- anonymous classes
- primitive types
org.mockito.exceptions.base.MockitoException:
Cannot mock/spy class com.pearson.tellurium.analytics.aggregation.TempScalaService$
Mockito cannot mock/spy following:
- final classes
- anonymous classes
- primitive types
at org.scalatest.mock.MockitoSugar$class.mock(MockitoSugar.scala:74)
at com.pearson.tellurium.analytics.aggregation.TempScalaServiceTest.mock(Temp ScalaServiceTest.scala:7)
at com.pearson.tellurium.analytics.aggregation.TempScalaServiceTest$$anonfun$ 1.apply$mcV$sp(TempScalaServiceTest.scala:10)
at com.pearson.tellurium.analytics.aggregation.TempScalaServiceTest$$anonfun$ 1.apply(TempScalaServiceTest.scala:9)
at com.pearson.tellurium.analytics.aggregation.TempScalaServiceTest$$anonfun$ 1.apply(TempScalaServiceTest.scala:9)
at org.scalatest.Transformer$$anonfun$apply$1.apply$mcV$sp(Transformer.scala: 22)
at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85)
最佳答案
您可以在对象扩展的特征中定义方法。然后简单地模拟特征:
trait Login {
def login(userName: String, password: String): Boolean
}
object TempScalaService extends Login {
def login(userName: String, password: String): Boolean = {
if (userName.equals("root") && password.equals("admin123")) {
return true
}
else return false
}
}
//in your test
val service = mock[Login]
关于scala - 如何使用 Mockito 在 Scala 对象中模拟函数?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/41663476/