import 'mocha'
import { assert, expect } from 'chai'
import { helpers } from '..'
import { BigNumber, ethers } from 'ethers'

describe('helper functions', () => {
  it('Converts string to bigNumber to ', () => {
    const str = '10'
    const result = helpers.ethers.convertToBN(str)
    assert.isNotNull(result)
    expect(result.toString()).to.be.equal(BigNumber.from(str).toString())
  })
  it('Converts string to wei', () => {
    const str = '10'
    const result = helpers.ethers.convertToWei(str, 18)
    assert.isNotNull(result)
    assert.deepEqual(result, BigNumber.from(10).mul(BigNumber.from(10).pow(18)))
  })
  it('Converts string to bigNumber to ', () => {
    const str = '10'
    const result = helpers.ethers.convertWeiToEth(BigNumber.from(str).mul(BigNumber.from('10').pow(18)), 18)
    assert.isNotNull(result)
    assert.deepEqual(
      result,
      parseFloat(ethers.utils.formatEther(BigNumber.from(str).mul(BigNumber.from('10').pow(18)))),
    )
  })
})