是否可以在 Kotlin 中使用 Mockito? [英] Is it possible to use Mockito in Kotlin?
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问题描述
我面临的问题是 Matchers.anyObject()
返回 null
.当用于模拟只接受不可为空类型的方法时,它会导致抛出不应为空"异常.
The problem I'm facing is that Matchers.anyObject()
returns null
. When used to mock method that only accepts non-nullable types it causes a "Should not be null" exception to be thrown.
`when`(mockedBackend.login(anyObject())).thenAnswer { invocationOnMock -> someResponse }
模拟方法:
public open fun login(userCredentials: UserCredentials): Response
推荐答案
有两种可能的解决方法:
There are two possible workarounds:
private fun <T> anyObject(): T {
Mockito.anyObject<T>()
return uninitialized()
}
private fun <T> uninitialized(): T = null as T
@Test
fun myTest() {
`when`(mockedBackend).login(anyObject())).thenAnswer { ... }
}
另一种解决方法是
private fun <T> anyObject(): T {
return Mockito.anyObject<T>()
}
@Test
fun myTest() {
`when`(mockedBackend).login(anyObject())).thenAnswer { ... }
}
这是更多讨论本主题,首先建议解决方法.
Here is some more discussion on this topic, where the workaround is first suggested.
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