Lesson 10 · 10 min
Tests: node:test and assert
A test runner is already built into Node. No packages needed.
10 minLesson 10 of 10Practice includedAsk AI on any point
The node:test module provides the test function, and node:assert/strict provides checks: equal, deepEqual, throws, rejects. The node --test command finds files like *.test.js and runs them. A test is ordinary code: call a function and compare the result with what you expect.
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