import {
  breakWordSegment,
  splitLongWord,
  breakWord
} from '../src/textProcessing/breakWord.js'

describe('breakWordSegment', function() {
  it('returns an array', function() {
    expect(Array.isArray(breakWordSegment('asdf'))).toBeTruthy()
  })
  it('returns triples', function() {
    expect(breakWordSegment('asdf').length).toBe(3)
  })
})

describe('splitLongWord', function() {
  it('returns an array', function() {
    expect(Array.isArray(splitLongWord('asdf'))).toBeTruthy()
  })

  it('returns the single word by default', function() {
    let segments = splitLongWord('asdf')
    expect(segments.length).toBe(1)
    expect(segments[0]).toBe('asdf')
  })

  it('returns small words unmodified', function() {
    let segments = splitLongWord('asdf')
    expect(segments.length).toBe(1)
    expect(segments[0]).toBe('asdf')
  })

  it('splits long words', function() {
    let segments = splitLongWord('asdf', 3)
    expect(segments.length).toBe(2)
    expect(segments[0]).toBe('asd')
    expect(segments[1]).toBe('f')
  })

  it('split into even parts', function() {
    let segments = splitLongWord('1234567890', 9)
    expect(segments[0].length).toBe(5)
    expect(segments[1].length).toBe(5)
  })
})

describe('breakWord', function() {
  it('returns an array', function() {
    expect(Array.isArray(breakWord('asdf'))).toBeTruthy()
  })
})