10 examples of 'userevent react testing library' in JavaScript

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162export function useEvents() {
163 const { onEvent } = useContext( CheckoutContext );
164 if ( ! onEvent ) {
165 throw new Error( 'useEvents can only be used inside a CheckoutProvider' );
166 }
167 return onEvent;
168}
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23render () {
24 const { text } = this.state;
25 return (
26 <View style={styles.container}>
27 <Image style={styles.logo} source={require('./react.png')} />
28 <Text style={styles.title}>
29 Welcome to React Native testing demo app
30 </Text>
31 <TextInput
32 style={styles.input}
33 placeholder={"write something"}
34 onChangeText={this.handleTextChange}
35 value={text}
36 />
37 <ReactNativeTestingChild text={text} onClear={this.clearText} />
38 </View>
39 );
40}
76_enableTVEventHandler() {
77 this._tvEventHandler = new TVEventHandler();
78 this._tvEventHandler.enable(this, (cmp, evt) => {
79 evt &&
80 evt.eventType &&
81 evt.eventType !== 'blur' &&
82 evt.eventType !== 'focus' &&
83 cmp.setState({
84 eventFired: evt.eventType
85 });
86 });
87}
68function TestComponent() {
69 const TestToken = createToken('test');
70 useService(TestToken.optional);
71 didRender = true;
72 return React.createElement('div', null, 'hello');
73}
204function logProps(Component) {
205 class LogProps extends React.Component {
206 static foo = 'foo';
207 static render = 'bar';
208 render() {
209 const {forwardedRef, ...rest} = this.props;
210 return <Component ref={forwardedRef} {...rest} foo='foo' bar='bar' />;
211 }
212 }
213 const ForwardedComponent = React.forwardRef((props, ref) => {
214 return <LogProps {...props} forwardedRef={ref} />;
215 });
216
217 hoistNonReactStatics(ForwardedComponent, LogProps);
218
219 return ForwardedComponent;
220}
14export default function useEvents(ref) {
15 validates(arguments, ["string="]);
16 const [groupRef] = useState(ref || uuidv4());
17 useEffect(() => {
18 return () => {
19 removeListenersByGroup(groupRef);
20 };
21 }, []);
22
23 const onFn = function(event, callback, context) {
24 validates(arguments, ["string", "function", "object="]);
25 on(groupRef + ":" + event, callback, groupRef, context);
26 return on(event, callback, groupRef, context);
27 };
28
29 const scopedEventsFn = {
30 emit: function(event, ...args) {
31 validates(event, "string");
32 return validates(emit(event, ...args, groupRef), "boolean");
33 },
34 mutateEvent: function(sourceEvent, targetEvent, transformArgsFn) {
35 validates(arguments, ["string", "string|function", "function="]);
36 return mutateEvent(sourceEvent, targetEvent, transformArgsFn, onFn);
37 },
38 on: onFn,
39 once: function(event, callback, context) {
40 validates(arguments, ["string", "function", "object="]);
41 once(groupRef + ":" + event, callback, groupRef, context);
42 return once(event, callback, groupRef, context);
43 },
44 redirectOnEvent: function(event, path, options) {
45 validates(arguments, ["string", "string", "Object.<string, string>="]);
46 return redirectOnEvent(event, path, options, onFn);
47 },
48 removeListener: function(event, callback, context) {
49 validates(arguments, ["string", "function", "object="]);
50 removeListener(groupRef + ":" + event, callback, groupRef, context);
51 return removeListener(event, callback, groupRef, context);
52 },
53 };
54
55 return validates(
56 [groupRef, scopedEventsFn],
57 ["string", "Object.<string, function>"]
58 );
59}
45async function testFireEvent() {
46 const { container } = render(<button />);
47 fireEvent.click(container);
48}
18function App() {
19 const [opened, setOpened] = useState(false)
20
21 const open = useCallback(() => {
22 setOpened(true)
23 }, [])
24
25 const close = useCallback(() => {
26 setOpened(false)
27 }, [])
28
29 return (
30 <React.Fragment>
31 <Header
32 primary="SidePanel"
33 secondary={
34 <Button onClick={open} mode="strong">
35 Open SidePanel
36 </Button>
37 }
38 />
39 <Split
40 primary={
41 <Box>
42 <Lorem repeat={10} />
43 </Box>
44 }
45 secondary={
46 <Box
47 css={`
48 display: flex;
49 align-items: center;
50 justify-content: center;
51 `}
52 >
53 <Lorem repeat={3} />
54 </Box>
55 }
56 />
57
58 <SidePanel title="My Panel" opened={opened} onClose={close}>
59 <MySidePanelContent />
60 </SidePanel>
61 </React.Fragment>
62 )
63}
21export function mountTest(reactElement: React.Element<*>): ReturnType {
22 const wrapper = mount(<Wrap>{reactElement}</Wrap>);
23
24 return {
25 // $FlowIssue needs better enzyme typings
26 node: ReactTesting.findDOMNodes('a', wrapper.node)[0],
27 unmount: wrapper.unmount.bind(wrapper),
28 setProps: wrapper.setProps.bind(wrapper),
29 };
30}
311function useEventListener(
312
313
314
315ref,
316event,
317listener,
318options)
319
320{var _ref = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {},_ref$enabled = _ref.enabled,enabled = _ref$enabled === void 0 ? true : _ref$enabled;
321 React.useEffect(function () {
322 if (ref.current === null) {
323 return;
324 }
325
326 if (enabled) {
327 ref.current.addEventListener(event, listener, options);
328 } else if (listener) {
329 ref.current.removeEventListener(event, listener);
330 }
331
332 return function () {
333 if (!ref.current) {
334 return;
335 }
336
337 ref.current.removeEventListener(event, listener);
338 };
339 }, [ref.current, listener, options, enabled]);
340}

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