67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
import fs from 'fs'
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import { join } from 'path'
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import expect from 'expect'
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import { parseString } from 'xml2js'
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import { Box2 } from 'vecks'
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import { Helper } from '../../src'
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const dxfContents = fs.readFileSync(
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join(__dirname, '/../resources/1x1rectangle.dxf'),
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'utf-8',
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)
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describe('Helper', () => {
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it('should be constructed with a string', () => {
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expect(() => {
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return new Helper(null)
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}).toThrow('Helper constructor expects a DXF string')
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})
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it('parsed automatically', () => {
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const helper = new Helper(dxfContents)
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expect(helper.parsed.entities.length).toEqual(1)
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})
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it('denormalises automatically', () => {
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const helper = new Helper(dxfContents)
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expect(helper.denormalised.length).toEqual(1)
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})
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it('can group by layer', () => {
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const helper = new Helper(dxfContents)
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expect(helper.groups.Default.length).toEqual(1)
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})
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it('can output an SVG', (done) => {
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const helper = new Helper(dxfContents)
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const svg = helper.toSVG()
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parseString(svg, (err, result) => {
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if (err) {
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throw Error(err)
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}
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expect(result.svg.$.viewBox).toEqual('0 -10 10 10')
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done()
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})
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})
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it('can output polylines', () => {
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const helper = new Helper(dxfContents)
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const { bbox, polylines } = helper.toPolylines()
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expect(bbox.equals(new Box2({ x: 0, y: 0 }, { x: 10, y: 10 }))).toEqual(
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true,
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)
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expect(polylines).toEqual([
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{
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rgb: [0, 0, 79],
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vertices: [
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[0, 0],
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[10, 0],
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[10, 10],
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[0, 10],
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[0, 0],
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],
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},
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])
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})
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})
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