ether-converter/test/test.js

Ether unit converter

const test = require('tape')
const convert = require('../')

test('converter', t => {
  t.plan(48)

  const result = convert(1, 'ether')

  t.equal(result.wei, '1000000000000000000')
  t.equal(result.kwei, '1000000000000000')
  t.equal(result.mwei, '1000000000000')
  t.equal(result.gwei, '1000000000')
  t.equal(result.szabo, '1000000')
  t.equal(result.finney, '1000')
  t.equal(result.ether, '1')
  t.equal(result.kether, '0.001')
  t.equal(result.mether, '0.000001')
  t.equal(result.gether, '0.000000001')
  t.equal(result.tether, '0.000000000001')

  const result2 = convert('1000000000000000000', 'wei')

  t.equal(result2.wei, '1000000000000000000')
  t.equal(result2.kwei, '1000000000000000')
  t.equal(result2.mwei, '1000000000000')
  t.equal(result2.gwei, '1000000000')
  t.equal(result2.szabo, '1000000')
  t.equal(result2.finney, '1000')
  t.equal(result2.ether, '1')
  t.equal(result2.kether, '0.001')
  t.equal(result2.mether, '0.000001')
  t.equal(result2.gether, '0.000000001')
  t.equal(result2.tether, '0.000000000001')

  const result3 = convert('50', 'gwei')

  t.equal(result3.wei, '50000000000')
  t.equal(result3.kwei, '50000000')
  t.equal(result3.mwei, '50000')
  t.equal(result3.gwei, '50')
  t.equal(result3.szabo, '0.05')
  t.equal(result3.finney, '0.00005')
  t.equal(result3.ether, '0.00000005')
  t.equal(result3.kether, '0.00000000005')
  t.equal(result3.mether, '0.00000000000005')
  t.equal(result3.gether, '0.00000000000000005')
  t.equal(result3.tether, '0.00000000000000000005')

  t.equal(convert(1, 'ether', 'wei'), '1000000000000000000')
  t.equal(convert('50', 'gwei', 'finney'), '0.00005')

  t.throws(() => convert('50', 'invalidUnit'))
  t.throws(() => convert('1', 'ether', 'invalidUnit'))

  const result4 = convert('50', -9)

  t.equal(result4.wei, '50000000000')
  t.equal(result4.kwei, '50000000')
  t.equal(result4.mwei, '50000')
  t.equal(result4.gwei, '50')
  t.equal(result4.szabo, '0.05')
  t.equal(result4.finney, '0.00005')
  t.equal(result4.ether, '0.00000005')
  t.equal(result4.kether, '0.00000000005')
  t.equal(result4.mether, '0.00000000000005')
  t.equal(result4.gether, '0.00000000000000005')
  t.equal(result4.tether, '0.00000000000000000005')
})