MyComponent.defaultProps = { location: 'San Francisco' }
, you have defined a location prop that's set to the string San Francisco
, unless you specify otherwise. React assigns default props if props are undefined, but if you pass null
as the value for a prop, it will remain null
.
ShoppingCart
component. Define default props on this component which specify a prop items
with a value of 0
.
ShoppingCart
component should render.
testString: assert((function() { const mockedComponent = Enzyme.mount(React.createElement(ShoppingCart)); return mockedComponent.find('ShoppingCart').length === 1; })(), 'The ShoppingCart
component should render.');
- text: 'The ShoppingCart
component should have a default prop of { items: 0 }
.'
testString: 'assert((function() { const mockedComponent = Enzyme.mount(React.createElement(ShoppingCart)); mockedComponent.setProps({items: undefined}); return mockedComponent.find(''ShoppingCart'').props().items === 0; })(), ''The ShoppingCart
component should have a default prop of { items: 0 }
.'');'
```