我们有一个应用程序,我们最近从ReactNative 0.42更新为0.48。在那次更新中,我们迁移到Jest进行测试(从摩卡/柴/酶)。我们目前正在使用Jest v21.1.0。当我手动运行每个测试时,它们都会毫无错误地通过。当我跑得yarn jest
我得到这个错误:Jest Error“Can not read property'validAttributes'of undefined”on ReactNative 0.48
/scratch/react_native_app/client/node_modules/react-native/Libraries/Renderer/ReactNativeStack-dev.js:2582
warnForStyleProps$1(nativeProps,viewConfig.validAttributes);
^
TypeError: Cannot read property 'validAttributes' of undefined
at setNativePropsStack$1 (/scratch/react_native_app/client/node_modules/react-native/Libraries/Renderer/ReactNativeStack-dev.js:2582:43)
at Component.setNativeProps (/scratch/react_native_app/client/node_modules/react-native/Libraries/Renderer/ReactNativeStack-dev.js:2550:1)
at AnimatedProps.callback [as _callback] (/scratch/react_native_app/client/node_modules/react-native/Libraries/Animated/src/AnimatedImplementation.js:1819:20)
at AnimatedProps.update (/scratch/react_native_app/client/node_modules/react-native/Libraries/Animated/src/AnimatedImplementation.js:1698:6)
at /scratch/react_native_app/client/node_modules/react-native/Libraries/Animated/src/AnimatedImplementation.js:230:69
at Set.forEach (native)
at _flush (/scratch/react_native_app/client/node_modules/react-native/Libraries/Animated/src/AnimatedImplementation.js:230:16)
at AnimatedValue._updateValue (/scratch/react_native_app/client/node_modules/react-native/Libraries/Animated/src/AnimatedImplementation.js:939:1)
at TimingAnimation.animation.start._this9._animation [as _onUpdate] (/scratch/react_native_app/client/node_modules/react-native/Libraries/Animated/src/AnimatedImplementation.js:906:8)
at TimingAnimation.onUpdate (/scratch/react_native_app/client/node_modules/react-native/Libraries/Animated/src/AnimatedImplementation.js:345:6)
我不能肯定,但我们只有与动画和时序处理两个部分组成。我们正在使用jest.useFakeTimers();
如果我添加jest.runAllTimers();
我可以得到单个组件上的错误。组件的时序部分是这样的:
componentDidMount() {
Animated.timing(
this.state.fadeAnim, {
toValue: 1,
delay: 2000
}
).start();
}
而且
<Animated.View style={{ opacity: this.state.fadeAnim }}>
...
</Animated.View>
我有同样的问题,甚至更令人费解:如果单独运行(每个文件),测试成功。当我运行'npm run jest'时,我得到了这个错误。 – pietro909
@ pietro909上个星期我实际上只是想到了这一点。在 – DaKaZ