shellphone.app/test/utils.tsx

109 lines
3.2 KiB
TypeScript

import { RouterContext, BlitzRouter, BlitzProvider } from "blitz";
import { render as defaultRender } from "@testing-library/react";
import { renderHook as defaultRenderHook } from "@testing-library/react-hooks";
export * from "@testing-library/react";
// --------------------------------------------------------------------------------
// This file customizes the render() and renderHook() test functions provided
// by React testing library. It adds a router context wrapper with a mocked router.
//
// You should always import `render` and `renderHook` from this file
//
// This is the place to add any other context providers you need while testing.
// --------------------------------------------------------------------------------
// --------------------------------------------------
// render()
// --------------------------------------------------
// Override the default test render with our own
//
// You can override the router mock like this:
//
// const { baseElement } = render(<MyComponent />, {
// router: { pathname: '/my-custom-pathname' },
// });
// --------------------------------------------------
export function render(
ui: RenderUI,
{ wrapper, router, dehydratedState, ...options }: RenderOptions = {}
) {
if (!wrapper) {
// Add a default context wrapper if one isn't supplied from the test
wrapper = ({ children }) => (
<BlitzProvider dehydratedState={dehydratedState}>
<RouterContext.Provider value={{ ...mockRouter, ...router }}>
{children}
</RouterContext.Provider>
</BlitzProvider>
);
}
return defaultRender(ui, { wrapper, ...options });
}
// --------------------------------------------------
// renderHook()
// --------------------------------------------------
// Override the default test renderHook with our own
//
// You can override the router mock like this:
//
// const result = renderHook(() => myHook(), {
// router: { pathname: '/my-custom-pathname' },
// });
// --------------------------------------------------
export function renderHook(
hook: RenderHook,
{ wrapper, router, dehydratedState, ...options }: RenderHookOptions = {}
) {
if (!wrapper) {
// Add a default context wrapper if one isn't supplied from the test
wrapper = ({ children }) => (
<BlitzProvider dehydratedState={dehydratedState}>
<RouterContext.Provider value={{ ...mockRouter, ...router }}>
{children}
</RouterContext.Provider>
</BlitzProvider>
);
}
return defaultRenderHook(hook, { wrapper, ...options });
}
export const mockRouter: BlitzRouter = {
basePath: "",
pathname: "/",
route: "/",
asPath: "/",
params: {},
query: {},
isReady: true,
isLocaleDomain: false,
isPreview: false,
push: jest.fn(),
replace: jest.fn(),
reload: jest.fn(),
back: jest.fn(),
prefetch: jest.fn(),
beforePopState: jest.fn(),
events: {
on: jest.fn(),
off: jest.fn(),
emit: jest.fn(),
},
isFallback: false,
};
type DefaultParams = Parameters<typeof defaultRender>;
type RenderUI = DefaultParams[0];
type RenderOptions = DefaultParams[1] & {
router?: Partial<BlitzRouter>;
dehydratedState?: unknown;
};
type DefaultHookParams = Parameters<typeof defaultRenderHook>;
type RenderHook = DefaultHookParams[0];
type RenderHookOptions = DefaultHookParams[1] & {
router?: Partial<BlitzRouter>;
dehydratedState?: unknown;
};