@eluvio/elv-js-helpers/test/unit/src/Boolean/neighborsPass.test.js

A collection of Javascript helper functions used by several Eluvio libraries.

const TH = require('../../../test-helpers')
const neighborsPass = TH.requireSrcFile('Boolean/neighborsPass')

describe('neighborsPass', () => {
  const xGTEy = (x,y) => x <= y

  neighborsPass(xGTEy, 5)

  it('should work as expected', () => {
    neighborsPass(xGTEy, [1, 2, 2, 3]).should.be.true
    neighborsPass(xGTEy, [1]).should.be.true
    neighborsPass(xGTEy, [3, 2, 2, 1]).should.be.false
    neighborsPass(xGTEy, 'abcde').should.be.true
    neighborsPass(xGTEy, 5).should.be.true
  })

  it('should be curried', () => {
    const isOrdered = neighborsPass(xGTEy)
    isOrdered([1, 2, 2, 3]).should.be.true
    isOrdered([1]).should.be.true
    isOrdered([3, 2, 2, 1]).should.be.false
    isOrdered('abcde').should.be.true
    isOrdered(5).should.be.true
  })
})