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@types/sinon

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    @types/sinon

TypeScript definitions for sinon


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2.9M
decreased by-0.7%
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91.6 kB
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Package description

What is @types/sinon?

The @types/sinon package provides TypeScript type definitions for Sinon.js, a standalone test spies, stubs, and mocks for JavaScript. It enables developers using TypeScript to get compile-time type checking and IntelliSense support when working with Sinon.js, ensuring that they use the Sinon.js API correctly.

What are @types/sinon's main functionalities?

Spies

Spies are functions that record arguments, return value, the value of this, and exception thrown (if any) for all its calls. Useful for testing your functions are called correctly.

const spy = sinon.spy();
spy('Hello', 'World');
console.log(spy.firstCall.args); // Logs: ['Hello', 'World']

Stubs

Stubs are like spies, but they can replace the target function. They can be used to control a method's behavior without affecting the rest of your code's execution.

const stub = sinon.stub().returns('Hello World');
console.log(stub()); // Logs: 'Hello World'

Mocks

Mocks combine spies and stubs. They are fake methods (like stubs) with pre-programmed behavior (like spies) as well as pre-programmed expectations. A mock will fail your test if it is not used as expected.

const myAPI = { method: function () {} };
const mock = sinon.mock(myAPI);
mock.expects('method').once().returns('Hello World');
myAPI.method(); // Satisfies the expectation
mock.verify();

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Readme

Source

Installation

npm install --save @types/sinon

Summary

This package contains type definitions for sinon (https://sinonjs.org).

Details

Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/sinon.

Additional Details

Credits

These definitions were written by William Sears, Nico Jansen, James Garbutt, Greg Jednaszewski, John Wood, Alec Flett, Simon Schick, and Mathias Schreck.

FAQs

Last updated on 10 Jan 2024

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