51 lines
2 KiB
JavaScript
51 lines
2 KiB
JavaScript
'use strict'
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const assert = require('assert')
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const nativeImage = require('electron').nativeImage
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const path = require('path')
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describe('nativeImage module', () => {
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describe('createFromPath(path)', () => {
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it('returns an empty image for invalid paths', () => {
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assert(nativeImage.createFromPath('').isEmpty())
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assert(nativeImage.createFromPath('does-not-exist.png').isEmpty())
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})
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it('loads images from paths relative to the current working directory', () => {
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const imagePath = `.${path.sep}${path.join('spec', 'fixtures', 'assets', 'logo.png')}`
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const image = nativeImage.createFromPath(imagePath)
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assert(!image.isEmpty())
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assert.equal(image.getSize().height, 190)
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assert.equal(image.getSize().width, 538)
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})
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it('loads images from paths with `.` segments', () => {
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const imagePath = `${path.join(__dirname, 'fixtures')}${path.sep}.${path.sep}${path.join('assets', 'logo.png')}`
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const image = nativeImage.createFromPath(imagePath)
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assert(!image.isEmpty())
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assert.equal(image.getSize().height, 190)
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assert.equal(image.getSize().width, 538)
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})
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it('loads images from paths with `..` segments', () => {
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const imagePath = `${path.join(__dirname, 'fixtures', 'api')}${path.sep}..${path.sep}${path.join('assets', 'logo.png')}`
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const image = nativeImage.createFromPath(imagePath)
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assert(!image.isEmpty())
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assert.equal(image.getSize().height, 190)
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assert.equal(image.getSize().width, 538)
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})
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it('Gets an NSImage pointer on macOS', () => {
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if (process.platform !== 'darwin') return
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const imagePath = `${path.join(__dirname, 'fixtures', 'api')}${path.sep}..${path.sep}${path.join('assets', 'logo.png')}`
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const image = nativeImage.createFromPath(imagePath)
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const nsimage = image.getNativeHandle()
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assert.equal(nsimage.length, 8)
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// If all bytes are null, that's Bad
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assert.equal(nsimage.reduce((acc, x) => acc || (x !== 0), false), true)
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})
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})
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})
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