Properly testing components passed in as props
In the example below I have a component named <BigList />
which accepts a component as props called toggleComponent
. I then pass down that component into the render method, this is setup so I can have multiple different types of toggle components. The problem I'm running into is how to properly test the prop methods on the component I'm passing into <BigList />
. My code coverage decreases because of it and I'm not really sure how I can mock the onChange handler here.
<BigList
title="Some Props"
toggleComponent={
<Checkboxt
onChange={() =>
someMethod()
}
/>
}
>
<Checkbox
onChange={() =>
anotherMethod()
}
/>
</BigList>
Using Enzyme and Sinon I've attempted to do something like this, but to no avail. I end up with errors relating to the props being inaccessible. I just want to make sure that the onChange handler gets fired on a change event for the toggleComponent props.
const component = shallow(
<ParentComponent />
);
const event = {target: {name: "event", value: "event value"}};
const toggleComponent = component.find('BigList').at(1).props().toggleComponent;
toggleComponent.props().onChange = stub();
toggleComponent.simulate('change', event);
t.equal(
toggleComponent.onChange.callCount,
1,
'Should call onChange'
);
reactjs sinon enzyme
add a comment |
In the example below I have a component named <BigList />
which accepts a component as props called toggleComponent
. I then pass down that component into the render method, this is setup so I can have multiple different types of toggle components. The problem I'm running into is how to properly test the prop methods on the component I'm passing into <BigList />
. My code coverage decreases because of it and I'm not really sure how I can mock the onChange handler here.
<BigList
title="Some Props"
toggleComponent={
<Checkboxt
onChange={() =>
someMethod()
}
/>
}
>
<Checkbox
onChange={() =>
anotherMethod()
}
/>
</BigList>
Using Enzyme and Sinon I've attempted to do something like this, but to no avail. I end up with errors relating to the props being inaccessible. I just want to make sure that the onChange handler gets fired on a change event for the toggleComponent props.
const component = shallow(
<ParentComponent />
);
const event = {target: {name: "event", value: "event value"}};
const toggleComponent = component.find('BigList').at(1).props().toggleComponent;
toggleComponent.props().onChange = stub();
toggleComponent.simulate('change', event);
t.equal(
toggleComponent.onChange.callCount,
1,
'Should call onChange'
);
reactjs sinon enzyme
add a comment |
In the example below I have a component named <BigList />
which accepts a component as props called toggleComponent
. I then pass down that component into the render method, this is setup so I can have multiple different types of toggle components. The problem I'm running into is how to properly test the prop methods on the component I'm passing into <BigList />
. My code coverage decreases because of it and I'm not really sure how I can mock the onChange handler here.
<BigList
title="Some Props"
toggleComponent={
<Checkboxt
onChange={() =>
someMethod()
}
/>
}
>
<Checkbox
onChange={() =>
anotherMethod()
}
/>
</BigList>
Using Enzyme and Sinon I've attempted to do something like this, but to no avail. I end up with errors relating to the props being inaccessible. I just want to make sure that the onChange handler gets fired on a change event for the toggleComponent props.
const component = shallow(
<ParentComponent />
);
const event = {target: {name: "event", value: "event value"}};
const toggleComponent = component.find('BigList').at(1).props().toggleComponent;
toggleComponent.props().onChange = stub();
toggleComponent.simulate('change', event);
t.equal(
toggleComponent.onChange.callCount,
1,
'Should call onChange'
);
reactjs sinon enzyme
In the example below I have a component named <BigList />
which accepts a component as props called toggleComponent
. I then pass down that component into the render method, this is setup so I can have multiple different types of toggle components. The problem I'm running into is how to properly test the prop methods on the component I'm passing into <BigList />
. My code coverage decreases because of it and I'm not really sure how I can mock the onChange handler here.
<BigList
title="Some Props"
toggleComponent={
<Checkboxt
onChange={() =>
someMethod()
}
/>
}
>
<Checkbox
onChange={() =>
anotherMethod()
}
/>
</BigList>
Using Enzyme and Sinon I've attempted to do something like this, but to no avail. I end up with errors relating to the props being inaccessible. I just want to make sure that the onChange handler gets fired on a change event for the toggleComponent props.
const component = shallow(
<ParentComponent />
);
const event = {target: {name: "event", value: "event value"}};
const toggleComponent = component.find('BigList').at(1).props().toggleComponent;
toggleComponent.props().onChange = stub();
toggleComponent.simulate('change', event);
t.equal(
toggleComponent.onChange.callCount,
1,
'Should call onChange'
);
reactjs sinon enzyme
reactjs sinon enzyme
asked Nov 20 '18 at 16:52
James IvesJames Ives
1,3881332
1,3881332
add a comment |
add a comment |
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