如何解决Robolectric 找不到 androidx/databinding/DataBinderMapperImpl
我正在尝试使用 Robolectric 和片段场景运行片段单元测试。
当被测片段被实例化时
override fun onCreateView(
inflater: LayoutInflater,container: ViewGroup?,savedInstanceState: Bundle?): View? {
binding = FooFragBinding.inflate(inflater,container,false)
通过测试
@RunWith(RobolectricTestRunner::class)
@Config(sdk = [Build.VERSION_CODES.P])
class FooFragTest {
private var scenario: FragmentScenario<FooFragment>? = null
@Before
fun initFragment() {
scenario = launchFragmentInContainer(null,R.style.Theme_AppCompat)
}
我明白
java.lang.NoClassDefFoundError: androidx/databinding/DataBinderMapperImpl
at com.slacorp.eptt.android.lib.databinding.FooFragBinding.inflate(FooFragBinding.java:212)
at com.slacorp.eptt.android.fragment.ActivationFragment.onCreateView(ActivationFragment.kt:103)
at androidx.fragment.app.Fragment.performCreateView(Fragment.java:2698)
at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java:320)
at androidx.fragment.app.FragmentManager.movetoState(FragmentManager.java:1187)
at androidx.fragment.app.FragmentManager.movetoState(FragmentManager.java:1356)
at androidx.fragment.app.FragmentManager.moveFragmentToExpectedState(FragmentManager.java:1434)
at androidx.fragment.app.FragmentManager.movetoState(FragmentManager.java:1497)
at androidx.fragment.app.BackStackRecord.executeOps(BackStackRecord.java:447)
at androidx.fragment.app.FragmentManager.executeOps(FragmentManager.java:2169)
at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:1992)
at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:1947)
at androidx.fragment.app.FragmentManager.execSingleAction(FragmentManager.java:1818)
at androidx.fragment.app.BackStackRecord.commitNow(BackStackRecord.java:297)
at androidx.fragment.app.testing.FragmentScenario$1.perform(FragmentScenario.java:317)
at androidx.fragment.app.testing.FragmentScenario$1.perform(FragmentScenario.java:301)
at androidx.test.core.app.ActivityScenario.lambda$onActivity$2$ActivityScenario(ActivityScenario.java:551)
at androidx.test.core.app.ActivityScenario$$Lambda$4.run(UnkNown Source)
at androidx.test.core.app.ActivityScenario.onActivity(ActivityScenario.java:561)
at androidx.fragment.app.testing.FragmentScenario.internalLaunch(FragmentScenario.java:300)
at androidx.fragment.app.testing.FragmentScenario.launchInContainer(FragmentScenario.java:282)
at com.slacorp.eptt.android.robolectric.ActivationScreenTest.initFragment(ActivationScreenTest.kt:83)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:24)
at org.robolectric.RobolectricTestRunner$HelperTestRunner$1.evaluate(RobolectricTestRunner.java:575)
at org.robolectric.internal.SandBoxTestRunner$2.lambda$evaluate$0(SandBoxTestRunner.java:263)
at org.robolectric.internal.bytecode.SandBox.lambda$runOnMainThread$0(SandBox.java:89)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.classNotFoundException: androidx.databinding.DataBinderMapperImpl
at org.robolectric.internal.bytecode.SandBoxClassLoader.getByteCode(SandBoxClassLoader.java:163)
at org.robolectric.internal.bytecode.SandBoxClassLoader.maybeInstrumentClass(SandBoxClassLoader.java:129)
at org.robolectric.internal.bytecode.SandBoxClassLoader.lambda$loadClass$0(SandBoxClassLoader.java:115)
at org.robolectric.util.PerfStatsCollector.measure(PerfStatsCollector.java:53)
at org.robolectric.internal.bytecode.SandBoxClassLoader.loadClass(SandBoxClassLoader.java:115)
at java.lang.classLoader.loadClass(ClassLoader.java:352)
at com.slacorp.eptt.android.lib.databinding.FooFragBinding.inflate(FooFragBinding.java:212)
at com.slacorp.eptt.android.fragment.ActivationFragment.onCreateView(ActivationFragment.kt:103)
at androidx.fragment.app.Fragment.$$robo$$androidx_fragment_app_Fragment$performCreateView(Fragment.java:2698)
at androidx.fragment.app.Fragment.performCreateView(Fragment.java)
at androidx.fragment.app.FragmentStateManager.$$robo$$androidx_fragment_app_FragmentStateManager$createView(FragmentStateManager.java:320)
at androidx.fragment.app.FragmentStateManager.createView(FragmentStateManager.java)
at androidx.fragment.app.FragmentManager.$$robo$$androidx_fragment_app_FragmentManager$movetoState(FragmentManager.java:1187)
at androidx.fragment.app.FragmentManager.movetoState(FragmentManager.java)
at androidx.fragment.app.FragmentManager.$$robo$$androidx_fragment_app_FragmentManager$movetoState(FragmentManager.java:1356)
at androidx.fragment.app.FragmentManager.movetoState(FragmentManager.java)
at androidx.fragment.app.FragmentManager.$$robo$$androidx_fragment_app_FragmentManager$moveFragmentToExpectedState(FragmentManager.java:1434)
at androidx.fragment.app.FragmentManager.moveFragmentToExpectedState(FragmentManager.java)
at androidx.fragment.app.FragmentManager.$$robo$$androidx_fragment_app_FragmentManager$movetoState(FragmentManager.java:1497)
at androidx.fragment.app.FragmentManager.movetoState(FragmentManager.java)
at androidx.fragment.app.BackStackRecord.$$robo$$androidx_fragment_app_BackStackRecord$executeOps(BackStackRecord.java:447)
at androidx.fragment.app.BackStackRecord.executeOps(BackStackRecord.java)
at androidx.fragment.app.FragmentManager.$$robo$$androidx_fragment_app_FragmentManager$executeOps(FragmentManager.java:2169)
at androidx.fragment.app.FragmentManager.executeOps(FragmentManager.java)
at androidx.fragment.app.FragmentManager.$$robo$$androidx_fragment_app_FragmentManager$executeOpsTogether(FragmentManager.java:1992)
at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java)
at androidx.fragment.app.FragmentManager.$$robo$$androidx_fragment_app_FragmentManager$removeRedundantOperationsAndExecute(FragmentManager.java:1947)
at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java)
at androidx.fragment.app.FragmentManager.$$robo$$androidx_fragment_app_FragmentManager$execSingleAction(FragmentManager.java:1818)
at androidx.fragment.app.FragmentManager.execSingleAction(FragmentManager.java)
at androidx.fragment.app.BackStackRecord.$$robo$$androidx_fragment_app_BackStackRecord$commitNow(BackStackRecord.java:297)
at androidx.fragment.app.BackStackRecord.commitNow(BackStackRecord.java)
at androidx.fragment.app.testing.FragmentScenario$1.$$robo$$androidx_fragment_app_testing_FragmentScenario_1$perform(FragmentScenario.java:317)
at androidx.fragment.app.testing.FragmentScenario$1.perform(FragmentScenario.java)
at androidx.fragment.app.testing.FragmentScenario$1.perform(FragmentScenario.java:301)
at androidx.test.core.app.ActivityScenario.lambda$onActivity$2$ActivityScenario(ActivityScenario.java:551)
at androidx.test.core.app.ActivityScenario$$Lambda$4.run(UnkNown Source)
at androidx.test.core.app.ActivityScenario.onActivity(ActivityScenario.java:561)
at androidx.fragment.app.testing.FragmentScenario.$$robo$$androidx_fragment_app_testing_FragmentScenario$internalLaunch(FragmentScenario.java:300)
at androidx.fragment.app.testing.FragmentScenario.internalLaunch(FragmentScenario.java)
at androidx.fragment.app.testing.FragmentScenario.$$robo$$androidx_fragment_app_testing_FragmentScenario$launchInContainer(FragmentScenario.java:282)
at androidx.fragment.app.testing.FragmentScenario.launchInContainer(FragmentScenario.java)
at com.slacorp.eptt.android.robolectric.ActivationScreenTest.initFragment(ActivationScreenTest.kt:83)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
... 11 more
Robolectric 版本是
testImplementation 'org.robolectric:robolectric:4.4'
我已启用数据绑定
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