verify-it

import test, { describe } from 'node:test' import { init, Gen } from 'verify-it' const verify = init(test) // Initialize verify-it with node:test // A custom generator function const myGenerator = () => `Custom Generated Value: ${Math.random()}` describe('The verify-it library integration', () => { verify.it( 'should inject randomised properties into a test', Gen.string, Gen.object, myGenerator, async (someString, someObject, someCustomValue, t) => { console.log('String:', someString) // Example: 'aRandomString123' console.log('Object:', someObject) // Example: { key: 'value', num: 42 } console.log('Custom:', someCustomValue) // Example: 'Custom Generated Value: 0.123' t.assert.equal(typeof someString, 'string', 'someString should be a string') t.assert.equal(typeof someObject, 'object', 'someObject should be an object') t.assert.equal(someCustomValue.startsWith('Custom Generated Value:'), true, 'someCustomValue should be from the custom generator') } ) verify.describe('when using verify.describe to share values', Gen.number, (sharedNumber) => { verify.it('allows the same generated value to be shared across multiple nested tests', Gen.string, (nestedString, t) => { console.log('Shared Number:', sharedNumber) // Available from the verify.describe scope console.log('Nested String:', nestedString) // Specific to this verify.it test t.assert.equal(typeof sharedNumber, 'number', 'sharedNumber should be a number') t.assert.equal(typeof nestedString, 'string', 'nestedString should be a string') }) verify.it('another test also gets the same shared value', (t) => { console.log('Shared Number again:', sharedNumber) t.assert.equal(typeof sharedNumber, 'number', 'sharedNumber is still available') }) }) })