Use Node's built-in test runner.
NodeDK server apps are easy to test: the general pattern is to call handlers directly with a mocked state object.
// spec/example.test.js
var { test } = require('node:test')
var assert = require('node:assert')
test('adds numbers', function () {
assert.equal(1 + 1, 2)
})
node --test
Or run npm test with the script from package.json.
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