@rpidanny/pdf2md/test/models/HeadlineFinder.spec.js

A PDF to Markdown Converter

const { expect } = require('chai')

const HeadlineFinder = require('../../lib/models/HeadlineFinder')
const LineItem = require('../../lib/models/LineItem')

describe('HeadlineFinder', () => {
  it('Not Found - Case 1', () => {
    const headlineFinder = new HeadlineFinder({
      headline: 'My Little Headline',
    })
    const item1 = new LineItem({ text: 'My ' })
    const item2 = new LineItem({ text: 'Little' })
    const item3 = new LineItem({ text: ' Headline2' })

    expect(headlineFinder.consume(item1)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(1).to.contain(item1)
    expect(headlineFinder.consume(item2)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(2).to.contain(item1).to.contain(item2)
    expect(headlineFinder.consume(item3)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(0)
  })

  it('Found - Simple', () => {
    const headlineFinder = new HeadlineFinder({
      headline: 'My Little Headline',
    })
    const item1 = new LineItem({ text: 'My ' })
    const item2 = new LineItem({ text: 'Little' })
    const item3 = new LineItem({ text: ' Headline' })

    expect(headlineFinder.consume(item1)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(1).to.contain(item1)
    expect(headlineFinder.consume(item2)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(2).to.contain(item1).to.contain(item2)
    expect(headlineFinder.consume(item3)).to.have.lengthOf(3).to.contain(item1).to.contain(item2).to.contain(item3)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(3).to.contain(item1).to.contain(item2).to.contain(item3)
  })

  it('Found - Waste in beginning', () => {
    const headlineFinder = new HeadlineFinder({
      headline: 'My Little Headline',
    })
    const item0 = new LineItem({ text: 'Waste ' })
    const item1 = new LineItem({ text: 'My ' })
    const item2 = new LineItem({ text: 'Little' })
    const item3 = new LineItem({ text: ' Headline' })

    expect(headlineFinder.consume(item0)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(0)
    expect(headlineFinder.consume(item1)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(1).to.contain(item1)
    expect(headlineFinder.consume(item2)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(2).to.contain(item1).to.contain(item2)
    expect(headlineFinder.consume(item3)).to.have.lengthOf(3).to.contain(item1).to.contain(item2).to.contain(item3)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(3).to.contain(item1).to.contain(item2).to.contain(item3)
  })

  it('Found - Duplicate in beginning', () => {
    const headlineFinder = new HeadlineFinder({
      headline: 'My Little Headline',
    })
    const item0 = new LineItem({ text: 'My ' })
    const item1 = new LineItem({ text: 'My ' })
    const item2 = new LineItem({ text: 'Little' })
    const item3 = new LineItem({ text: ' Headline' })

    expect(headlineFinder.consume(item0)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(1).to.contain(item0)
    expect(headlineFinder.consume(item1)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(1).to.contain(item1)
    expect(headlineFinder.consume(item2)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(2).to.contain(item1).to.contain(item2)
    expect(headlineFinder.consume(item3)).to.have.lengthOf(3).to.contain(item1).to.contain(item2).to.contain(item3)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(3).to.contain(item1).to.contain(item2).to.contain(item3)
  })

  it('Found - Mixed up case and Whitespace', () => {
    const headlineFinder = new HeadlineFinder({
      headline: 'MYLitt le HEADline',
    })
    const item1 = new LineItem({ text: 'My ' })
    const item2 = new LineItem({ text: 'Little' })
    const item3 = new LineItem({ text: ' Headline' })

    expect(headlineFinder.consume(item1)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(1).to.contain(item1)
    expect(headlineFinder.consume(item2)).to.equal(null)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(2).to.contain(item1).to.contain(item2)
    expect(headlineFinder.consume(item3)).to.have.lengthOf(3).to.contain(item1).to.contain(item2).to.contain(item3)
    expect(headlineFinder.stackedLineItems).to.have.lengthOf(3).to.contain(item1).to.contain(item2).to.contain(item3)
  })
})