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11-assert.md

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🐢 Node.js

🌟 The different core modules

Assert

A fairly simplistic module containing various assertion functions. This can be useful if you are the type to do unit tests in a fairly simplistic way (without going through large frameworks). However, it can very well be used for codes (it is often used in exercises or challenges for example).

const assert = require("assert").strict;

assert.strictEqual(5, 5);
assert.deepStrictEqual({ a: "boo", { a: "boo" });
assert.notDeepStrictEqual({ a: 1, a: "1" });
assert.match("I will pass", /pass/);

⬅️ 🌟 The different core modules: VM | ➡️ 🌟 The different core modules: Zlib