65 lines
2.5 KiB
JavaScript
65 lines
2.5 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 OS X', () => {
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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.asNativeRepresentation('nsimage');
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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)), true);
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});
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it('Throws when asNativeRepresentation gets a bogus value', () => {
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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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let shouldDie = true;
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try {
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image.asNativeRepresentation('__foobar__');
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} catch (e) {
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shouldDie = false;
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}
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assert.equal(shouldDie, false);
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});
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});
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});
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