reactjs – Node.js mock context.req.headers.referer
I implemented a redirect back to the previously visited page in a project and now have to adjust some tests which are failing because:
Cannot read property 'headers' of undefined
TypeError: Cannot read property 'headers' of undefine
I searched for some time but could not find a good solution or transfer the given answer to my current problem.
Function
export const getServerSideProps: GetServerSideProps<Props> = async (ctx) => {
...
const referer = ctx.req.headers.referer
let backlink = referer
if (!referer) {
...
backlink = ...
}
return {
props: {
...initialProps.props,
product,
backlink,
...
}
}
Test
it('getServerSideProps should return product', async () => {
mocked(getProductByKey).mockResolvedValueOnce(mockedProducts[0])
const ctx = {
query: { productKey: mockedProducts[0].key } as ParsedUrlQuery,
}
const result = await getServerSideProps(ctx as GetServerSidePropsContext)
expect((result as any).props.product).toEqual(mockedProducts[0])
})
Is there a way to mock the context.req.headers.referer? I would also need this for my own yet-to-be-written test for the redirect back.
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