Regarding your question, here is how I would go about it:
When using componentDidUpdate, I imagine it might happen because of a browser event, like an user clicking a button or focusing on an input.
At a component level, this might look like a method being triggered after being rendered.
This is what the code looks like:
describe('Test click button simulation',()=>{it('should update the count by 1 when invoked by default',()=>{constwrapper=shallow(<Home/>);expect(wrapper.state('counter')).toBe(0);wrapper.find('button').simulate('click');expect(wrapper.state('counter')).toBe(1);});
Note that I'm component's state for this example, but you might use props if required. Here is a link with more examples.
Cheers.
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Hi, Wai. I'm glad to help.
Regarding your question, here is how I would go about it:
When using
componentDidUpdate, I imagine it might happen because of a browser event, like an user clicking a button or focusing on an input.At a component level, this might look like a method being triggered after being rendered.
This is what the code looks like:
Note that I'm component's state for this example, but you might use props if required. Here is a link with more examples.
Cheers.