我的代码如下,引用https://stackoverflow.com/a/30308199/3286489中的解决方案
import org.mockito.Mock
import org.mockito.Mockito
import org.mockito.MockitoAnnotations
import org.mockito.Mockito.*
class SimpleClassTest {
private fun <T> anyObject(): T {
Mockito.anyObject<T>()
return uninitialized()
}
private fun <T> uninitialized(): T = null as T
lateinit var simpleObject: SimpleClass
@Mock lateinit var injectedObject: InjectedClass
@Before
fun setUp() {
MockitoAnnotations.initMocks(this)
}
@Test
fun testSimpleFunction() {
simpleObject = SimpleClass(injectedObject)
verify(injectedObject).settingDependentObject(anyObject())
}
}
我仍然有以下错误
java.lang.IllegalArgumentException: Parameter specified as non-null is null: method my.package.InjectedClass.settingDependentObject, parameter dependentObject
我错过了什么吗?
更新 下面是经过测试的代码(最简单的形式和工作)
class SimpleClass(val injectedClass: InjectedClass) {
fun simpleFunction() {
injectedClass.settingDependentObject(DependentClass(Response.Builder().build()))
}
}
open class DependentClass(response: Response) {
}
open class InjectedClass() {
lateinit var dependentObject: DependentClass
fun settingDependentObject(dependentObject: DependentClass) {
this.dependentObject = dependentObject
}
}
最佳答案
默认情况下 Kotlin classes and members are final 。模拟cannot mock final classes or methods . 因此,当您编写时:
verify(injectedObject).settingDependentObject(anyObject())
调用真正的实现,它需要非空参数。
要解决此问题,请打开您的类和方法,或者更好的是,更改 SimpleClass
以接受接口(interface)作为其构造函数参数并改为模拟接口(interface)。
关于mockito - 在 Kotlin 函数上使用 Mokito anyObject() 时,指定为非 null 的参数为 null,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37359648/