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52 lines
1.7 KiB
52 lines
1.7 KiB
4 years ago
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/* eslint-env mocha */
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'use strict'
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var assert = require('assert')
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var fs = require('fs')
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var path = require('path')
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var gifsicle = require('imagemin-gifsicle')
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var svgo = require('imagemin-svgo')
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var run = require('./run-webpack')
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var fixtureGif = fs.readFileSync(path.resolve(__dirname, './fixture.gif'))
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var fixtureSvg = fs.readFileSync(path.resolve(__dirname, './fixture.svg'))
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describe('img-loader', () => {
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it('passes the img though unchanged by default', function () {
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return run('./fixture.gif').then(function (image) {
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assert(image.equals(fixtureGif), 'gif should be unchanged')
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})
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})
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it('can apply optimizations for gif', function () {
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return run('./fixture.gif', {
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plugins: [ gifsicle({}) ]
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}).then(function (image) {
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assert(!image.equals(fixtureGif), 'gif should be changed')
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assert(image.length < fixtureGif.length, 'optimized gif should be smaller')
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})
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})
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it('can apply optimizations for svg', function () {
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return run('./fixture.svg', {
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plugins: [ svgo({}) ]
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}).then(function (image) {
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assert(!image.equals(fixtureSvg), 'svg should be changed')
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assert(image.length < fixtureSvg.length, 'optimized svg should be smaller')
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assert.strictEqual(image.toString('utf8'), '<svg/>')
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})
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})
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it('can use a function for plugins', function () {
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var context
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return run('./fixture.svg', {
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plugins: function (ctx) {
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context = ctx
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return [ svgo({}) ]
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}
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}).then(function (image) {
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assert.strictEqual(path.basename(context.resourcePath), 'fixture.svg')
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assert(image.length < fixtureSvg.length, 'optimized svg should be smaller')
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})
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})
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})
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