Android Mockk spky抛出NoClassDefFoundError
我正试图在mock的帮助下为我的视图模型编写一个单元测试Android Mockk spky抛出NoClassDefFoundError,android,junit,mockito,mockk,Android,Junit,Mockito,Mockk,我正试图在mock的帮助下为我的视图模型编写一个单元测试 @Test fun `When loading the ResponseViewState isLoading`() { val observer = spyk<Observer<ResponseViewState>>(Observer { }) puppiesViewModel.status_.observeForever(observer) every { fetchP
@Test
fun `When loading the ResponseViewState isLoading`() {
val observer = spyk<Observer<ResponseViewState>>(Observer { })
puppiesViewModel.status_.observeForever(observer)
every {
fetchPuppiesUseCase.fetchPuppies()
} returns
Observable.just(Resource.Loading)
puppiesViewModel.fetchPuppies()
val slot = slot<ResponseViewState>()
verify { observer.onChanged(capture(slot)) }
assert(slot.captured.isLoading())
verify { fetchPuppiesUseCase.fetchPuppies() }
}
你知道如何修复或者可能是更好的测试方法吗?看来这项更改与Kotlin有关,并且是在1.5版上做出的。 更改涉及Kotlin编译器如何生成实现SAM接口的匿名类 您可以通过将Kotlin版本更改为1.4.32(最新的1.4.X)来轻松测试这一点 一个简单的解决方案是将代码更改为以下内容:
面对同样的错误。。有人有主意吗?
val observer = spyk<Observer<ResponseViewState>>(Observer { })
java.lang.NoClassDefFoundError: com/example/tink/PuppiesViewModelTest$$Lambda$61/0x0000000800176840
at jdk.internal.reflect.GeneratedSerializationConstructorAccessor4.newInstance(Unknown Source)
at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
at org.objenesis.instantiator.sun.SunReflectionFactoryInstantiator.newInstance(SunReflectionFactoryInstantiator.java:48)
at io.mockk.proxy.jvm.ObjenesisInstantiator.instanceViaObjenesis(ObjenesisInstantiator.kt:75)
at io.mockk.proxy.jvm.ObjenesisInstantiator.instance(ObjenesisInstantiator.kt:42)
at io.mockk.proxy.jvm.ProxyMaker.instantiate(ProxyMaker.kt:75)
at io.mockk.proxy.jvm.ProxyMaker.proxy(ProxyMaker.kt:42)
at io.mockk.impl.instantiation.JvmMockFactory.newProxy(JvmMockFactory.kt:34)
at io.mockk.impl.instantiation.AbstractMockFactory.newProxy$default(AbstractMockFactory.kt:29)
at io.mockk.impl.instantiation.AbstractMockFactory.spyk(AbstractMockFactory.kt:102)
at com.example.tink.PuppiesViewModelTest.createObserver(PuppiesViewModelTest.kt:99)
at com.example.tink.PuppiesViewModelTest.given loading state, when fetchPuppies called, then isLoading return true(PuppiesViewModelTest.kt:40)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:567)
Caused by: java.lang.ClassNotFoundException: com.example.tink.PuppiesViewModelTest$$Lambda$61.0x0000000800176840
val observer = createMockObserver()
@Suppress("ObjectLiteralToLambda")
fun createMockObserver(): Observer<ResponseViewState> {
val observer = object : Observer<ResponseViewState> {
override fun onChanged(t: ResponseViewState?) { }
}
return spyk<Observer<ResponseViewState>>(observer)
}
afterEvaluate {
compileDebugUnitTestKotlin {
kotlinOptions {
freeCompilerArgs += [
'-Xsam-conversions=class',
]
}
}
}