node-due-date-calculator/test/index.js

calculate due dates of for bugs

const test = require('ava')
const dueDateCalculator = require('../')

test('wrong submit date type', t => {
  t.throws(() => dueDateCalculator('foo', 0),
    'Submit date must be instance of Date')
  t.throws(() => dueDateCalculator(123, 0),
    'Submit date must be instance of Date')
  t.throws(() => dueDateCalculator(false, 0),
    'Submit date must be instance of Date')
})

test('wrong turnaround type', t => {
  const d = new Date()

  t.throws(() => dueDateCalculator(d, 'foo'), 'Turnaround must be integer')
  t.throws(() => dueDateCalculator(d, false), 'Turnaround must be integer')
  t.throws(() => dueDateCalculator(d, { a: 'b' }),
    'Turnaround must be integer')
  t.throws(() => dueDateCalculator(d, 1.23), 'Turnaround must be integer')
})

test('same day ending', t => {
  const submitDate = new Date(2016, 10, 24, 12, 40, 0, 0)
  const turnaround = 2

  const due = dueDateCalculator(submitDate, turnaround)
  const exp = new Date(2016, 10, 24, 14, 40, 0, 0)

  t.is(+due, +exp)
})

test('just barely not same day ending', t => {
  const submitDate = new Date(2016, 10, 24, 16, 10, 0, 0)
  const turnaround = 1

  const due = dueDateCalculator(submitDate, turnaround)
  const exp = new Date(2016, 10, 25, 9, 10, 0, 0)

  t.is(+due, +exp)
})

test('between two working days', t => {
  const submitDate = new Date(2016, 10, 24, 12, 40, 0, 0)
  const turnaround = 9

  const due = dueDateCalculator(submitDate, turnaround)
  const exp = new Date(2016, 10, 25, 13, 40, 0, 0)

  t.is(+due, +exp)
})

test('friday to monday', t => {
  const submitDate = new Date(2016, 10, 25, 12, 40, 0, 0)
  const turnaround = 10

  const due = dueDateCalculator(submitDate, turnaround)
  const exp = new Date(2016, 10, 28, 14, 40, 0, 0)

  t.is(+due, +exp)
})

test('multiple weeks', t => {
  const submitDate = new Date(2016, 10, 24, 12, 40, 0, 0)
  const turnaround = 16 * 8 + 3

  const due = dueDateCalculator(submitDate, turnaround)
  const exp = new Date(2016, 11, 16, 15, 40, 0, 0)

  t.is(+due, +exp)
})

test('end of day ending', t => {
  const submitDate = new Date(2016, 11, 16, 12, 0, 0, 0)
  const turnaround = 5

  const due = dueDateCalculator(submitDate, turnaround)
  const exp = new Date(2016, 11, 16, 17, 0, 0, 0)

  t.is(+due, +exp)
})