Skip to main content
Module

x/rambda/getter.spec.js

Faster and smaller alternative to Ramda
Go to Latest
File
import { add } from './add'import { getter, reset, setter } from './getter'
afterEach(() => { reset()})
test('happy', () => { const key = 'foo' setter(key, 1)
expect(getter(key)).toBe(1)})
test('docs example', () => { setter('foo', 'bar') setter('a', 1) expect(getter([ 'foo', 'a' ])).toEqual({ foo : 'bar', a : 1, })
setter('a', 2) expect(getter('a')).toBe(2) reset() expect(getter('a')).toBeUndefined()})
test('when array is key in getter', () => { setter({ a : 1, b : 2, c : 3, })
expect(getter([ 'a', 'b' ])).toEqual({ a : 1, b : 2, })})
test('getter with undefined as key returns all', () => { const data = { a : 1, b : 2, c : 3, }
setter(data)
expect(getter()).toEqual(data)})
test('function as setter value', () => { const data = { a : 1, b : 2, c : 3, }
setter(data) setter('a', add(10))
expect(getter()).toEqual({ a : 11, b : 2, c : 3, })})
test('setter fallbacks to undefined', () => { expect(setter()).toBeUndefined})