context-thief
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Helper function to steal React context values for testing
Context Thief stores the current context value for the inputted context for use in tests.
If you test components with contexts and don't want to create a new function or component every time, this module is for you!
npm install --save-dev context-thief
createContextThief(context)Returns: {ContextThief, contextValue} Object containing the component to render and the outputted value
| Parameter | Type | Description |
|---|---|---|
| context | Context | Instance of React.Context to consume |
example-component.tsx
import React from "react";
export const ExampleContext = React.createContext(false);
export const ExampleComponent: React.FC<{children: React.ReactNode}> = ({children}) => {
return (
<TestContext.Provider value={true}>
{children}
</TestContext.Provider>
);
};
example-component.test.tsx
import React from "react";
import {render} from "@testing-library/react";
import {createContextThief} from "context-thief";
import {ExampleContext, ExampleComponent} from "./example-component";
it("should have the default current context value", () => {
const {ContextThief, contextValue} = createContextThief(ExampleContext);
render(
<ExampleComponent>
<ContextThief />
</ExampleComponent>
);
expect(contextValue.current).toBe(true);
});
Copyright Evelyn Hathaway, MIT License
Icon glyph made by Gregor Cresnar
v1.1.0
v1.0.5...v1.1.0 - 2022-08-21
d1c887a82e0b0a4d05e1945aa753151eb71be6b2d10c431c5a10d11639ae8b2f06ac7add3702d47e1aa56f933dbc494b998637c7ac019083b281a47253e281e2decf23274cb4bd4ae89f511dd06557e2303b4512c2d1e9520aeae3866c0d44a22df87ee8500f89aeb1d7c0c3f58a05014bbebf5c19e6124b281a42d9df6ba363c69ba6b385f0ac9aca29467dd847b11112d6d4ad97019ec88b7c2ac237f7a7cd9f34d9e1009532dd2246bd6c7341bd953cb7159aebbcfe16a3e4ceb28208cd2b2cb6a6295653d7d1da07de1328d28bfaf1883c60e1172592e13a11fdb9fc7b113dc45b562f0cf2ead0cc0d6112cee166edc1fc1f0f44a2e33c8a8c986121642d8653276cadd7c8b1e770b5fcb8226f531464fb480f536f18f5549e51d456cde0ee4c21f9c465ee58144686976cdea928e64322baae3612e1b49c77FAQs
Helper function to steal React context values for testing
We found that context-thief demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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