Returns the context hash for the root node of the wrapper. Optionally pass in a prop name and it will return just that value.
key
(String
[optional]): If provided, the return value will be thethis.context[key]
of the root component instance.
const wrapper = shallow(
<MyComponent />,
{ context: { foo: 10 } }
);
expect(wrapper.context().foo).to.equal(10);
expect(wrapper.context('foo')).to.equal(10);