326 lines
12 KiB
JavaScript
326 lines
12 KiB
JavaScript
/* global describe, it, afterEach */
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import { expect } from 'chai'
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import sinon from 'sinon'
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import Util from '../../src/Metamaps/Util'
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import * as EmojiMart from 'emoji-mart'
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const sandbox = sinon.sandbox.create()
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describe('Metamaps.Util.js', function() {
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describe('splitLine', function() {
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it('splits on words', function() {
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expect(Util.splitLine('test test test', 10))
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.to.equal('test test\ntest')
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})
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// TODO this test seems like it's incorrect behaviour
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it('splits mid-word if need be', function() {
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expect(Util.splitLine('test test', 2))
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.to.equal('te\nt\nte\nt')
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})
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it('splits words over 30 chars', function() {
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expect(Util.splitLine('suprainterpostantidisestablishmentarianism', 30))
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.to.equal('suprainterpostantidisestablish\nentarianism')
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})
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})
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describe('nowDateFormatted', function() {
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function assertNowDateFormatted(expected, { month, day, year }) {
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const date = {
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getDate: () => day,
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getMonth: () => month - 1, // 0 to 11
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getFullYear: () => year
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}
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expect(Util.nowDateFormatted(date)).to.equal(expected)
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}
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it('formats dates with one digit properly', function() {
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assertNowDateFormatted('01/01/2000', { month: 1, day: 1, year: 2000 })
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})
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it('formats dates with two digits properly', function() {
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assertNowDateFormatted('10/10/2000', { month: 10, day: 10, year: 2000 })
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})
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})
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describe('decodeEntities', function() {
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function assertDecodeEntities(expected, { textContent, innerText, desc }) {
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const paragraph = { textContent, innerText }
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sandbox.stub(document, 'createElement').withArgs('p').returns(paragraph)
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const actual = Util.decodeEntities(desc)
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expect(actual).to.equal(expected)
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expect(paragraph.innerHTML).to.equal(desc)
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}
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afterEach(function() {
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sandbox.restore()
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})
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it('returns textContent if available', function() {
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assertDecodeEntities('textContent',
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{ textContent: 'textContent', innerText: 'innerText', desc: 'desc' })
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})
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it('otherwise returns innerText', function() {
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assertDecodeEntities('innerText',
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{ innerText: 'innerText', desc: 'desc' })
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})
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})
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describe('getDistance', function() {
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it('(0,0) -> (0,0) = 0', function() {
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expect(Util.getDistance({ x: 0, y: 0 }, { x: 0, y: 0 }))
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.to.equal(0)
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})
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it('(-5,0) -> (5,0) = 10', function() {
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expect(Util.getDistance({ x: -5, y: 0 }, { x: 5, y: 0 }))
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.to.equal(10)
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})
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it('(0,0) -> (5,7) = 8.6023', function() {
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expect(Util.getDistance({ x: 0, y: 0 }, { x: 5, y: 7 }).toFixed(4))
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.to.equal('8.6023')
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})
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})
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describe('coords/pixels conversions', function() {
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function mockMGraph({ x, y, sx, sy, px, py, width, height, ox, oy }) {
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return {
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canvas: {
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getSize: () => ({ width, height }),
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getPos: () => ({ x: px, y: py }),
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translateOffsetX: ox,
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translateOffsetY: oy,
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scaleOffsetX: sx,
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scaleOffsetY: sy
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}
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}
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}
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function assertConversion(testFunction, expectedX, expectedY,
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{ x, y, sx, sy, px, py, width, height, ox, oy }) {
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const mGraph = mockMGraph({
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x, y, sx, sy, px, py, width, height, ox, oy
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})
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const coords = { x, y }
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const actual = testFunction(mGraph, coords)
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expect(actual.x).to.equal(expectedX)
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expect(actual.y).to.equal(expectedY)
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}
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it('coordsToPixels returns 0,0 for null canvas', function() {
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expect(Util.coordsToPixels(null, {}).x).to.equal(0)
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expect(Util.coordsToPixels(null, {}).y).to.equal(0)
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})
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it('coordsToPixels', function() {
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assertConversion(Util.coordsToPixels, 0, 0,
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{ x: 0, y: 0, sx: 1, sy: 1, px: 0, py: 0, width: 0, height: 0, ox: 0, oy: 0 })
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assertConversion(Util.coordsToPixels, 1, 1,
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{ x: 1, y: 1, sx: 1, sy: 1, px: 0, py: 0, width: 0, height: 0, ox: 0, oy: 0 })
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assertConversion(Util.coordsToPixels, 2, 1,
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{ x: 1, y: 1, sx: 2, sy: 1, px: 0, py: 0, width: 0, height: 0, ox: 0, oy: 0 })
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assertConversion(Util.coordsToPixels, 2, 2,
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{ x: 1, y: 1, sx: 2, sy: 2, px: 0, py: 0, width: 0, height: 0, ox: 0, oy: 0 })
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assertConversion(Util.coordsToPixels, 3, 2,
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{ x: 1, y: 1, sx: 2, sy: 2, px: 1, py: 0, width: 0, height: 0, ox: 0, oy: 0 })
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assertConversion(Util.coordsToPixels, 3, 3,
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{ x: 1, y: 1, sx: 2, sy: 2, px: 1, py: 1, width: 0, height: 0, ox: 0, oy: 0 })
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assertConversion(Util.coordsToPixels, 4, 3,
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{ x: 1, y: 1, sx: 2, sy: 2, px: 1, py: 1, width: 2, height: 0, ox: 0, oy: 0 })
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assertConversion(Util.coordsToPixels, 4, 4,
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{ x: 1, y: 1, sx: 2, sy: 2, px: 1, py: 1, width: 2, height: 2, ox: 0, oy: 0 })
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assertConversion(Util.coordsToPixels, 9, 4,
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{ x: 1, y: 1, sx: 2, sy: 2, px: 1, py: 1, width: 2, height: 2, ox: 5, oy: 0 })
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assertConversion(Util.coordsToPixels, 9, 9,
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{ x: 1, y: 1, sx: 2, sy: 2, px: 1, py: 1, width: 2, height: 2, ox: 5, oy: 5 })
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})
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it('pixelsToCoords returns 0,0 for null canvas', function() {
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expect(Util.pixelsToCoords(null, {}).x).to.equal(0)
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expect(Util.pixelsToCoords(null, {}).y).to.equal(0)
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})
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it('pixelsToCoords', function() {
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assertConversion(Util.pixelsToCoords, 0, 0,
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{ x: 0, y: 0, px: 0, py: 0, width: 0, height: 0, ox: 0, oy: 0, sx: 1, sy: 1 })
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assertConversion(Util.pixelsToCoords, 5, 5,
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{ x: 5, y: 5, px: 0, py: 0, width: 0, height: 0, ox: 0, oy: 0, sx: 1, sy: 1 })
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assertConversion(Util.pixelsToCoords, 4, 5,
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{ x: 5, y: 5, px: 1, py: 0, width: 0, height: 0, ox: 0, oy: 0, sx: 1, sy: 1 })
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assertConversion(Util.pixelsToCoords, 4, 4,
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{ x: 5, y: 5, px: 1, py: 1, width: 0, height: 0, ox: 0, oy: 0, sx: 1, sy: 1 })
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assertConversion(Util.pixelsToCoords, 3, 4,
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{ x: 5, y: 5, px: 1, py: 1, width: 2, height: 0, ox: 0, oy: 0, sx: 1, sy: 1 })
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assertConversion(Util.pixelsToCoords, 3, 3,
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{ x: 5, y: 5, px: 1, py: 1, width: 2, height: 2, ox: 0, oy: 0, sx: 1, sy: 1 })
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assertConversion(Util.pixelsToCoords, 2, 3,
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{ x: 5, y: 5, px: 1, py: 1, width: 2, height: 2, ox: 1, oy: 0, sx: 1, sy: 1 })
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assertConversion(Util.pixelsToCoords, 2, 2,
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{ x: 5, y: 5, px: 1, py: 1, width: 2, height: 2, ox: 1, oy: 1, sx: 1, sy: 1 })
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assertConversion(Util.pixelsToCoords, 4, 2,
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{ x: 5, y: 5, px: 1, py: 1, width: 2, height: 2, ox: 1, oy: 1, sx: 0.5, sy: 1 })
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assertConversion(Util.pixelsToCoords, 4, 4,
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{ x: 5, y: 5, px: 1, py: 1, width: 2, height: 2, ox: 1, oy: 1, sx: 0.5, sy: 0.5 })
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})
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})
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describe('getPastelColor', function() {
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it('1 => fefefe', function() {
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expect(Util.getPastelColor({ rseed: 1, gseed: 1, bseed: 1 }))
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.to.equal(Util.colorLuminance('#fefefe', -0.4))
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})
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it('0 => 7f7f7f', function() {
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expect(Util.getPastelColor({ rseed: 0, gseed: 0, bseed: 0 }))
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.to.equal(Util.colorLuminance('#7f7f7f', -0.4))
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})
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})
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describe('colorLuminance', function() {
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describe('-0.4 lum', function() {
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it('white => ?', function() {
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expect(Util.colorLuminance('#ffffff', -0.4)).to.equal('#999999')
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})
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it('black => ?', function() {
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expect(Util.colorLuminance('#000000', -0.4)).to.equal('#000000')
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})
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it('7f7f7f => ?', function() {
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expect(Util.colorLuminance('#7f7f7f', -0.4)).to.equal('#4c4c4c')
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})
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})
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describe('other lum values', function() {
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it('-1', function() {
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expect(Util.colorLuminance('#7f7f7f', -1)).to.equal('#000000')
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})
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it('-0.5', function() {
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expect(Util.colorLuminance('#7f7f7f', -0.5)).to.equal('#404040')
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})
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it('0', function() {
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expect(Util.colorLuminance('#7f7f7f', 0)).to.equal('#7f7f7f')
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})
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it('0.5', function() {
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expect(Util.colorLuminance('#7f7f7f', 0.5)).to.equal('#bfbfbf')
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})
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it('1', function() {
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expect(Util.colorLuminance('#7f7f7f', 1)).to.equal('#fefefe')
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})
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})
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})
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describe('openLink', function() {
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function stubWindow({ popupsAllowed }) {
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const open = sandbox.stub(window, 'open').returns(popupsAllowed)
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const alert = sandbox.stub(window, 'alert')
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return { open, alert }
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}
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afterEach(function() {
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sandbox.restore()
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})
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it('blank url returns true', function() {
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expect(Util.openLink('')).to.equal(true)
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})
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it('popus allowed returns true', function() {
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stubWindow({ popupsAllowed: true })
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expect(Util.openLink('https://www.google.ca')).to.equal(true)
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})
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it('popups blocked shows alert', function() {
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const { alert } = stubWindow({ popupsAllowed: false })
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expect(Util.openLink('https://www.google.ca')).to.equal(false)
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expect(alert.calledWith('Please allow popups in order to open the link'))
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.to.equal(true)
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})
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})
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describe('mdToHTML', function() {
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it('filters xss', function() {
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const md = '<script>alert("xss");</script>'
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const html = '<!-- raw HTML omitted -->'
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expect(Util.mdToHTML(md).trim()).to.equal(html)
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})
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it('bold and italics', function() {
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const md = '**Bold** *Italics*'
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const html = '<p><strong>Bold</strong> <em>Italics</em></p>'
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expect(Util.mdToHTML(md).trim()).to.equal(html)
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})
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it('links', function() {
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const md = '[Link](https://metamaps.cc)'
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const html = '<p><a href="https://metamaps.cc">Link</a></p>'
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expect(Util.mdToHTML(md).trim()).to.equal(html)
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})
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it('images are not rendered', function() {
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const md = ''
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const html = '<p></p>'
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expect(Util.mdToHTML(md).trim()).to.equal(html)
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})
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})
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describe('logCanvasAttributes', function() {
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it('returns correct canvas attributes', function() {
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const canvas = {
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scaleOffsetX: 1,
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scaleOffsetY: 2,
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canvases: [{ size: { width: 3, height: 4 } }]
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}
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sinon.stub(Util, 'pixelsToCoords').returnsArg(1)
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const actual = Util.logCanvasAttributes(canvas)
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expect(actual.scaleX).to.equal(1)
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expect(actual.scaleY).to.equal(2)
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// stub will return the x/y coords passed to pixelsToCoords
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expect(actual.centreCoords.x).to.equal(3 / 2)
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expect(actual.centreCoords.y).to.equal(4 / 2)
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})
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})
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describe('resizeCanvas', function() {
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it('resizes, scales, and translates canvas', function() {
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const oldAttr = {
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scaleX: 1,
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scaleY: 2,
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centreCoords: { x: 3, y: 4 }
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}
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const newAttr = {
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centreCoords: { x: 5, y: 6 }
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}
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const canvas = {
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resize: sinon.spy(),
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scale: sinon.spy(),
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translate: sinon.spy()
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}
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sinon.stub(Util, 'logCanvasAttributes').withArgs(canvas)
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.onFirstCall().returns(oldAttr)
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.onSecondCall().returns(newAttr)
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const jQueryStub = sinon.stub().returns({
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width: () => 7,
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height: () => 8
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})
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Util.resizeCanvas(canvas, jQueryStub)
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expect(canvas.resize.calledWith(7, 8), 'resize not called')
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.to.equal(true)
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expect(canvas.scale.calledWith(1, 2), 'scale not called')
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.to.equal(true)
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expect(canvas.translate.calledWith(5 - 3, 6 - 4),
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'translate not called')
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.to.equal(true)
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})
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})
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describe('emoji', function() {
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EmojiMart.emojiIndex = {
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emojis: {
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emoji1: { native: '__EMOJI1__', colons: ':emoji1:' },
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emoji2: { native: '__EMOJI2__', colons: ':emoji2:' }
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},
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emoticons: {
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':)': 'emoji1',
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':(': 'emoji2'
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}
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}
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const withEmojiText = 'test __EMOJI1__ test __EMOJI2__ test'
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const noEmojiText = 'test :emoji1: test :emoji2: test'
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const emoticonsText = 'test :) test :( test'
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const emoticonsReplacedText = 'test __EMOJI1__ test __EMOJI2__ test'
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it('removeEmoji replaces emoji with text', function() {
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expect(Util.removeEmoji(withEmojiText)).to.equal(noEmojiText)
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})
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it('addEmoji replaces text with emoji', function() {
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expect(Util.addEmoji(noEmojiText, { emoticons: false })).to.equal(withEmojiText)
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})
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it('addEmoji replaces emoticons with emoji', function() {
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expect(Util.addEmoji(emoticonsText, { emoticons: true }))
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.to.equal(emoticonsReplacedText)
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})
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})
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})
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