reactjs - simulate for onClick not working in enzyme -


this cancel button

<div classname="cancelfilebtn" onclick={this.props.cancelfilesending}>

i need simulate click,i tried following test 

wrapper.find('.cancelfilebtn').simulate('click');

but click function still undefined...did miss else? , helpful if can mention changes if exist in simulating

<sendmessagebutton onclick={this.props.handleclicksendmessage} loadingfile={this.props.loadingfile}/>


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