freesewing/plugins/plugin-flip/tests/plugin.test.mjs

import chai from 'chai'
import { Pattern } from '@freesewing/core'
import { plugin } from './dist/index.mjs'

const expect = chai.expect

describe('Flip Plugin Tests', () => {
  const pattern = new Pattern().use(plugin);
  pattern.parts.test = new pattern.Part()
  pattern.parts.test.points.from = new pattern.Point(10, 20)
  pattern.parts.test.points.to = new pattern.Point(30, 40)
  pattern.parts.test.paths.test = new pattern.Path()
    .move(new pattern.Point(1,2))
    .curve(
      new pattern.Point(10,20),
      new pattern.Point(30,40),
      new pattern.Point(50,60)
    )
  pattern.parts.test.snippets.test = new pattern.Snippet('logo', new pattern.Point(-66, 20))
  const { macro } = pattern.parts.test.shorthand()
  macro('flip')

  it("Should flip points", () => {
    expect(pattern.parts.test.points.from.x).to.equal(-10)
    expect(pattern.parts.test.points.from.y).to.equal(20)
    expect(pattern.parts.test.points.to.x).to.equal(-30)
    expect(pattern.parts.test.points.to.y).to.equal(40)
  })

  it("Should flip paths", () => {
    expect(pattern.parts.test.paths.test.ops[0].to.x).to.equal(-1)
    expect(pattern.parts.test.paths.test.ops[0].to.y).to.equal(2)
    expect(pattern.parts.test.paths.test.ops[1].cp1.x).to.equal(-10)
    expect(pattern.parts.test.paths.test.ops[1].cp1.y).to.equal(20)
    expect(pattern.parts.test.paths.test.ops[1].cp2.x).to.equal(-30)
    expect(pattern.parts.test.paths.test.ops[1].cp2.y).to.equal(40)
    expect(pattern.parts.test.paths.test.ops[1].to.x).to.equal(-50)
    expect(pattern.parts.test.paths.test.ops[1].to.y).to.equal(60)
  })

  it("Should flip snippets", () => {
    expect(pattern.parts.test.snippets.test.anchor.x).to.equal(66)
    expect(pattern.parts.test.snippets.test.anchor.y).to.equal(20)
  })

  it('Should flip points in a part on their vertical axis', () => {
    let pattern = new Pattern()
    pattern.use(plugin)
    pattern.parts.test = new pattern.Part()
    pattern.parts.test.points.from = new pattern.Point(10,20)
    pattern.parts.test.points.to = new pattern.Point(40,230)

    let { macro } = pattern.parts.test.shorthand()
    macro('flip', {})
    let c = pattern.parts.test.points
    expect(c.from.x).to.equal(-10)
    expect(c.to.x).to.equal(-40)
  })

  it('Should flip points in a path on their vertical axis', () => {
    let pattern = new Pattern()
    pattern.use(plugin)
    pattern.parts.test = new pattern.Part()
    pattern.parts.test.points.from = new pattern.Point(10,20)
    let cp1 = new pattern.Point(40,0)
    let cp2 = new pattern.Point(60,30)
    pattern.parts.test.points.pathTo = new pattern.Point(90,20)
    pattern.parts.test.points.to = new pattern.Point(40,230)
    let { macro, Path } = pattern.parts.test.shorthand()
    pattern.parts.test.paths.line = new Path()
      .move(pattern.parts.test.points.from)
      .curve(cp1, cp2, pattern.parts.test.points.pathTo)
    macro('flip', {})
    let c = pattern.parts.test
    expect(c.points.from.x).to.equal(-10)
    expect(c.points.to.x).to.equal(-40)
    expect(c.paths.line.ops[0].to.x).to.equal(-10)
    expect(c.paths.line.ops[1].cp1.x).to.equal(-40)
    expect(c.paths.line.ops[1].cp2.x).to.equal(-60)
    expect(c.paths.line.ops[1].to.x).to.equal(-90)
    expect(c.points.pathTo.x).to.equal(-90)
  })

  it('Should flip points in snippets on their vertical axis', () => {
    let pattern = new Pattern()
    pattern.use(plugin)
    pattern.parts.test = new pattern.Part()
    let anchorPoint = new pattern.Point(40,0)
    let { macro, snippets, Snippet } = pattern.parts.test.shorthand()
    snippets.testSnippet = new Snippet('button', anchorPoint)

    macro('flip', {})
    let c = pattern.parts.test
    expect(c.snippets.testSnippet.anchor.x).to.equal(-40)
  })
})