Merge pull request #11139 from electron/shall-we-got-a-cup-of-tea
Add Chai library for tests
This commit is contained in:
Charles Kerr
GitHub
commit
97c64de28e
2 changed files with 107 additions and 100 deletions
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@ -1,6 +1,6 @@
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'use strict'
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const assert = require('assert')
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const {expect} = require('chai')
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const {nativeImage} = require('electron')
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const path = require('path')
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@ -104,71 +104,71 @@ describe('nativeImage module', () => {
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describe('createEmpty()', () => {
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it('returns an empty image', () => {
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const empty = nativeImage.createEmpty()
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assert.equal(empty.isEmpty(), true)
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assert.equal(empty.getAspectRatio(), 1)
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assert.equal(empty.toDataURL(), 'data:image/png;base64,')
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assert.equal(empty.toDataURL({scaleFactor: 2.0}), 'data:image/png;base64,')
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assert.deepEqual(empty.getSize(), {width: 0, height: 0})
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assert.deepEqual(empty.getBitmap(), [])
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assert.deepEqual(empty.getBitmap({scaleFactor: 2.0}), [])
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assert.deepEqual(empty.toBitmap(), [])
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assert.deepEqual(empty.toBitmap({scaleFactor: 2.0}), [])
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assert.deepEqual(empty.toJPEG(100), [])
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assert.deepEqual(empty.toPNG(), [])
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assert.deepEqual(empty.toPNG({scaleFactor: 2.0}), [])
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expect(empty.isEmpty())
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expect(empty.getAspectRatio()).to.equal(1)
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expect(empty.toDataURL()).to.equal('data:image/png;base64,')
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expect(empty.toDataURL({scaleFactor: 2.0})).to.equal('data:image/png;base64,')
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expect(empty.getSize()).to.deep.equal({width: 0, height: 0})
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expect(empty.getBitmap()).to.be.empty
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expect(empty.getBitmap({scaleFactor: 2.0})).to.be.empty
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expect(empty.toBitmap()).to.be.empty
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expect(empty.toBitmap({scaleFactor: 2.0})).to.be.empty
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expect(empty.toJPEG(100)).to.be.empty
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expect(empty.toPNG()).to.be.empty
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expect(empty.toPNG({scaleFactor: 2.0})).to.be.empty
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if (process.platform === 'darwin') {
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assert.deepEqual(empty.getNativeHandle(), [])
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expect(empty.getNativeHandle()).to.be.empty
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}
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})
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})
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describe('createFromBuffer(buffer, scaleFactor)', () => {
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it('returns an empty image when the buffer is empty', () => {
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assert(nativeImage.createFromBuffer(Buffer.from([])).isEmpty())
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expect(nativeImage.createFromBuffer(Buffer.from([])).isEmpty())
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})
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it('returns an image created from the given buffer', () => {
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const imageA = nativeImage.createFromPath(path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
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const imageB = nativeImage.createFromBuffer(imageA.toPNG())
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assert.deepEqual(imageB.getSize(), {width: 538, height: 190})
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assert(imageA.toBitmap().equals(imageB.toBitmap()))
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expect(imageB.getSize()).to.deep.equal({width: 538, height: 190})
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expect(imageA.toBitmap().equals(imageB.toBitmap())).to.be.true
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const imageC = nativeImage.createFromBuffer(imageA.toJPEG(100))
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assert.deepEqual(imageC.getSize(), {width: 538, height: 190})
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expect(imageC.getSize()).to.deep.equal({width: 538, height: 190})
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const imageD = nativeImage.createFromBuffer(imageA.toBitmap(),
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{width: 538, height: 190})
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assert.deepEqual(imageD.getSize(), {width: 538, height: 190})
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expect(imageD.getSize()).to.deep.equal({width: 538, height: 190})
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const imageE = nativeImage.createFromBuffer(imageA.toBitmap(),
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{width: 100, height: 200})
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assert.deepEqual(imageE.getSize(), {width: 100, height: 200})
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expect(imageE.getSize()).to.deep.equal({width: 100, height: 200})
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const imageF = nativeImage.createFromBuffer(imageA.toBitmap())
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assert(imageF.isEmpty())
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expect(imageF.isEmpty())
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const imageG = nativeImage.createFromBuffer(imageA.toPNG(),
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{width: 100, height: 200})
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assert.deepEqual(imageG.getSize(), {width: 538, height: 190})
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expect(imageG.getSize()).to.deep.equal({width: 538, height: 190})
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const imageH = nativeImage.createFromBuffer(imageA.toJPEG(100),
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{width: 100, height: 200})
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assert.deepEqual(imageH.getSize(), {width: 538, height: 190})
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expect(imageH.getSize()).to.deep.equal({width: 538, height: 190})
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const imageI = nativeImage.createFromBuffer(imageA.toBitmap(),
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{width: 538, height: 190, scaleFactor: 2.0})
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assert.deepEqual(imageI.getSize(), {width: 269, height: 95})
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expect(imageI.getSize()).to.deep.equal({width: 269, height: 95})
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const imageJ = nativeImage.createFromBuffer(imageA.toPNG(), 2.0)
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assert.deepEqual(imageJ.getSize(), {width: 269, height: 95})
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expect(imageJ.getSize()).to.deep.equal({width: 269, height: 95})
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})
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})
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describe('createFromDataURL(dataURL)', () => {
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it('returns an empty image from the empty string', () => {
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assert(nativeImage.createFromDataURL('').isEmpty())
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expect(nativeImage.createFromDataURL('').isEmpty())
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})
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it('returns an image created from the given string', () => {
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@ -177,9 +177,10 @@ describe('nativeImage module', () => {
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const imageFromPath = nativeImage.createFromPath(imageData.path)
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const imageFromDataUrl = nativeImage.createFromDataURL(imageData.dataUrl)
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assert(!imageFromDataUrl.isEmpty())
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assert.deepEqual(imageFromDataUrl.getSize(), imageFromPath.getSize())
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assert(imageFromPath.toBitmap().equals(imageFromDataUrl.toBitmap()))
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expect(imageFromDataUrl.isEmpty())
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expect(imageFromDataUrl.getSize()).to.deep.equal(imageFromPath.getSize())
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expect(imageFromDataUrl.toBitmap()).to.satisfy(
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bitmap => imageFromPath.toBitmap().equals(bitmap))
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}
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})
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})
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@ -190,8 +191,8 @@ describe('nativeImage module', () => {
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for (const imageData of imagesData) {
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const imageFromPath = nativeImage.createFromPath(imageData.path)
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assert.equal(imageFromPath.toDataURL(), imageData.dataUrl)
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assert.equal(imageFromPath.toDataURL({scaleFactor: 2.0}), imageData.dataUrl)
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expect(imageFromPath.toDataURL()).to.equal(imageData.dataUrl)
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expect(imageFromPath.toDataURL({scaleFactor: 2.0})).to.equal(imageData.dataUrl)
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}
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})
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@ -204,14 +205,14 @@ describe('nativeImage module', () => {
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height: image.getSize().height,
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scaleFactor: 2.0
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})
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assert.deepEqual(imageOne.getSize(),
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expect(imageOne.getSize()).to.deep.equal(
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{width: imageData.width / 2, height: imageData.height / 2})
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const imageTwo = nativeImage.createFromDataURL(imageOne.toDataURL())
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assert.deepEqual(imageTwo.getSize(),
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expect(imageTwo.getSize()).to.deep.equal(
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{width: imageData.width, height: imageData.height})
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assert(imageOne.toBitmap().equals(imageTwo.toBitmap()))
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expect(imageOne.toBitmap().equals(imageTwo.toBitmap())).to.be.true
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})
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it('supports a scale factor', () => {
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@ -221,11 +222,11 @@ describe('nativeImage module', () => {
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const imageFromDataUrlOne = nativeImage.createFromDataURL(
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image.toDataURL({scaleFactor: 1.0}))
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assert.deepEqual(imageFromDataUrlOne.getSize(), expectedSize)
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expect(imageFromDataUrlOne.getSize()).to.deep.equal(expectedSize)
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const imageFromDataUrlTwo = nativeImage.createFromDataURL(
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image.toDataURL({scaleFactor: 2.0}))
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assert.deepEqual(imageFromDataUrlTwo.getSize(), expectedSize)
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expect(imageFromDataUrlTwo.getSize()).to.deep.equal(expectedSize)
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})
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})
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@ -239,14 +240,14 @@ describe('nativeImage module', () => {
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height: imageA.getSize().height,
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scaleFactor: 2.0
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})
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assert.deepEqual(imageB.getSize(),
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expect(imageB.getSize()).to.deep.equal(
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{width: imageData.width / 2, height: imageData.height / 2})
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const imageC = nativeImage.createFromBuffer(imageB.toPNG())
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assert.deepEqual(imageC.getSize(),
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expect(imageC.getSize()).to.deep.equal(
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{width: imageData.width, height: imageData.height})
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assert(imageB.toBitmap().equals(imageC.toBitmap()))
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expect(imageB.toBitmap().equals(imageC.toBitmap())).to.be.true
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})
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it('supports a scale factor', () => {
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@ -255,46 +256,44 @@ describe('nativeImage module', () => {
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const imageFromBufferOne = nativeImage.createFromBuffer(
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image.toPNG({scaleFactor: 1.0}))
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assert.deepEqual(
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imageFromBufferOne.getSize(),
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expect(imageFromBufferOne.getSize()).to.deep.equal(
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{width: imageData.width, height: imageData.height})
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const imageFromBufferTwo = nativeImage.createFromBuffer(
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image.toPNG({scaleFactor: 2.0}), {scaleFactor: 2.0})
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assert.deepEqual(
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imageFromBufferTwo.getSize(),
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expect(imageFromBufferTwo.getSize()).to.deep.equal(
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{width: imageData.width / 2, height: imageData.height / 2})
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})
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})
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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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assert(nativeImage.createFromPath('does-not-exist.ico').isEmpty())
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assert(nativeImage.createFromPath(__dirname).isEmpty())
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assert(nativeImage.createFromPath(__filename).isEmpty())
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expect(nativeImage.createFromPath('').isEmpty())
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expect(nativeImage.createFromPath('does-not-exist.png').isEmpty())
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expect(nativeImage.createFromPath('does-not-exist.ico').isEmpty())
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expect(nativeImage.createFromPath(__dirname).isEmpty())
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expect(nativeImage.createFromPath(__filename).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.deepEqual(image.getSize(), {width: 538, height: 190})
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expect(image.isEmpty()).to.be.false
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expect(image.getSize()).to.deep.equal({width: 538, height: 190})
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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.deepEqual(image.getSize(), {width: 538, height: 190})
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expect(image.isEmpty()).to.be.false
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expect(image.getSize()).to.deep.equal({width: 538, height: 190})
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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.deepEqual(image.getSize(), {width: 538, height: 190})
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expect(image.isEmpty()).to.be.false
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expect(image.getSize()).to.deep.equal({width: 538, height: 190})
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})
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it('Gets an NSImage pointer on macOS', () => {
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@ -304,10 +303,11 @@ describe('nativeImage module', () => {
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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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expect(nsimage).to.have.lengthOf(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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const allBytesAreNotNull = nsimage.reduce((acc, x) => acc || (x !== 0), false)
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expect(allBytesAreNotNull)
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})
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it('loads images from .ico files on Windows', () => {
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@ -315,56 +315,61 @@ describe('nativeImage module', () => {
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const imagePath = path.join(__dirname, 'fixtures', 'assets', 'icon.ico')
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const image = nativeImage.createFromPath(imagePath)
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assert(!image.isEmpty())
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assert.deepEqual(image.getSize(), {width: 256, height: 256})
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expect(image.isEmpty()).to.be.false
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expect(image.getSize()).to.deep.equal({width: 256, height: 256})
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})
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})
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describe('createFromNamedImage(name)', () => {
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it('returns empty for invalid options', () => {
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const image = nativeImage.createFromNamedImage('totally_not_real')
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assert(image.isEmpty())
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expect(image.isEmpty())
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})
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it('returns empty on non-darwin platforms', () => {
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if (process.platform === 'darwin') return
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const image = nativeImage.createFromNamedImage('NSActionTemplate')
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assert(image.isEmpty())
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expect(image.isEmpty())
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})
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it('returns a valid image on darwin', () => {
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if (process.platform !== 'darwin') return
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const image = nativeImage.createFromNamedImage('NSActionTemplate')
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assert(!image.isEmpty())
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expect(image.isEmpty()).to.be.false
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})
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it('returns allows an HSL shift for a valid image on darwin', () => {
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if (process.platform !== 'darwin') return
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const image = nativeImage.createFromNamedImage('NSActionTemplate', [0.5, 0.2, 0.8])
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assert(!image.isEmpty())
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expect(image.isEmpty()).to.be.false
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})
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})
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describe('resize(options)', () => {
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it('returns a resized image', () => {
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const image = nativeImage.createFromPath(path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
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assert.deepEqual(image.resize({}).getSize(), {width: 538, height: 190})
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assert.deepEqual(image.resize({width: 269}).getSize(), {width: 269, height: 95})
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assert.deepEqual(image.resize({width: 600}).getSize(), {width: 600, height: 212})
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assert.deepEqual(image.resize({height: 95}).getSize(), {width: 269, height: 95})
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assert.deepEqual(image.resize({height: 200}).getSize(), {width: 566, height: 200})
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assert.deepEqual(image.resize({width: 80, height: 65}).getSize(), {width: 80, height: 65})
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assert.deepEqual(image.resize({width: 600, height: 200}).getSize(), {width: 600, height: 200})
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assert.deepEqual(image.resize({width: 0, height: 0}).getSize(), {width: 0, height: 0})
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assert.deepEqual(image.resize({width: -1, height: -1}).getSize(), {width: 0, height: 0})
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for (const [resizeTo, expectedSize] of new Map([
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[{}, {width: 538, height: 190}],
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[{width: 269}, {width: 269, height: 95}],
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[{width: 600}, {width: 600, height: 212}],
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[{height: 95}, {width: 269, height: 95}],
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[{height: 200}, {width: 566, height: 200}],
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[{width: 80, height: 65}, {width: 80, height: 65}],
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[{width: 600, height: 200}, {width: 600, height: 200}],
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[{width: 0, height: 0}, {width: 0, height: 0}],
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[{width: -1, height: -1}, {width: 0, height: 0}]
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])) {
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const actualSize = image.resize(resizeTo).getSize()
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expect(actualSize).to.deep.equal(expectedSize)
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}
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})
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it('returns an empty image when called on an empty image', () => {
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assert(nativeImage.createEmpty().resize({width: 1, height: 1}).isEmpty())
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assert(nativeImage.createEmpty().resize({width: 0, height: 0}).isEmpty())
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expect(nativeImage.createEmpty().resize({width: 1, height: 1}).isEmpty())
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expect(nativeImage.createEmpty().resize({width: 0, height: 0}).isEmpty())
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})
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it('supports a quality option', () => {
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@ -372,38 +377,39 @@ describe('nativeImage module', () => {
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const good = image.resize({width: 100, height: 100, quality: 'good'})
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const better = image.resize({width: 100, height: 100, quality: 'better'})
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const best = image.resize({width: 100, height: 100, quality: 'best'})
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assert(good.toPNG().length <= better.toPNG().length)
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assert(better.toPNG().length < best.toPNG().length)
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expect(good.toPNG()).to.have.lengthOf.at.most(better.toPNG().length)
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expect(better.toPNG()).to.have.lengthOf.below(best.toPNG().length)
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})
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})
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describe('crop(bounds)', () => {
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it('returns an empty image when called on an empty image', () => {
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assert(nativeImage.createEmpty().crop({width: 1, height: 2, x: 0, y: 0}).isEmpty())
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assert(nativeImage.createEmpty().crop({width: 0, height: 0, x: 0, y: 0}).isEmpty())
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expect(nativeImage.createEmpty().crop({width: 1, height: 2, x: 0, y: 0}).isEmpty())
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expect(nativeImage.createEmpty().crop({width: 0, height: 0, x: 0, y: 0}).isEmpty())
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})
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it('returns an empty image when the bounds are invalid', () => {
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const image = nativeImage.createFromPath(path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
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assert(image.crop({width: 0, height: 0, x: 0, y: 0}).isEmpty())
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assert(image.crop({width: -1, height: 10, x: 0, y: 0}).isEmpty())
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assert(image.crop({width: 10, height: -35, x: 0, y: 0}).isEmpty())
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assert(image.crop({width: 100, height: 100, x: 1000, y: 1000}).isEmpty())
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expect(image.crop({width: 0, height: 0, x: 0, y: 0}).isEmpty())
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expect(image.crop({width: -1, height: 10, x: 0, y: 0}).isEmpty())
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expect(image.crop({width: 10, height: -35, x: 0, y: 0}).isEmpty())
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expect(image.crop({width: 100, height: 100, x: 1000, y: 1000}).isEmpty())
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})
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it('returns a cropped image', () => {
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const image = nativeImage.createFromPath(path.join(__dirname, 'fixtures', 'assets', 'logo.png'))
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const cropA = image.crop({width: 25, height: 64, x: 0, y: 0})
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const cropB = image.crop({width: 25, height: 64, x: 30, y: 40})
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assert.deepEqual(cropA.getSize(), {width: 25, height: 64})
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assert.deepEqual(cropB.getSize(), {width: 25, height: 64})
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assert(!cropA.toPNG().equals(cropB.toPNG()))
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expect(cropA.getSize()).to.deep.equal({width: 25, height: 64})
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expect(cropB.getSize()).to.deep.equal({width: 25, height: 64})
|
||||
expect(cropA.toPNG().equals(cropB.toPNG())).to.be.false
|
||||
})
|
||||
})
|
||||
|
||||
describe('getAspectRatio()', () => {
|
||||
it('returns an aspect ratio of an empty image', () => {
|
||||
assert.equal(nativeImage.createEmpty().getAspectRatio(), 1.0)
|
||||
expect(nativeImage.createEmpty().getAspectRatio()).to.equal(1.0)
|
||||
})
|
||||
|
||||
it('returns an aspect ratio of an image', () => {
|
||||
|
|
@ -412,7 +418,7 @@ describe('nativeImage module', () => {
|
|||
const expectedAspectRatio = 2.8315789699554443
|
||||
|
||||
const image = nativeImage.createFromPath(imageData.path)
|
||||
assert.equal(image.getAspectRatio(), expectedAspectRatio)
|
||||
expect(image.getAspectRatio()).to.equal(expectedAspectRatio)
|
||||
})
|
||||
})
|
||||
|
||||
|
|
@ -443,13 +449,13 @@ describe('nativeImage module', () => {
|
|||
buffer: 'invalid'
|
||||
})
|
||||
|
||||
assert.equal(image.isEmpty(), false)
|
||||
assert.deepEqual(image.getSize(), {width: 1, height: 1})
|
||||
expect(image.isEmpty()).to.be.false
|
||||
expect(image.getSize()).to.deep.equal({width: 1, height: 1})
|
||||
|
||||
assert.equal(image.toDataURL({scaleFactor: 1.0}), imageDataOne.dataUrl)
|
||||
assert.equal(image.toDataURL({scaleFactor: 2.0}), imageDataTwo.dataUrl)
|
||||
assert.equal(image.toDataURL({scaleFactor: 3.0}), imageDataThree.dataUrl)
|
||||
assert.equal(image.toDataURL({scaleFactor: 4.0}), imageDataThree.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 1.0})).to.equal(imageDataOne.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 2.0})).to.equal(imageDataTwo.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 3.0})).to.equal(imageDataThree.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 4.0})).to.equal(imageDataThree.dataUrl)
|
||||
})
|
||||
|
||||
it('supports adding a data URL representation for a scale factor', () => {
|
||||
|
|
@ -478,13 +484,13 @@ describe('nativeImage module', () => {
|
|||
dataURL: 'invalid'
|
||||
})
|
||||
|
||||
assert.equal(image.isEmpty(), false)
|
||||
assert.deepEqual(image.getSize(), {width: 1, height: 1})
|
||||
expect(image.isEmpty()).to.be.false
|
||||
expect(image.getSize()).to.deep.equal({width: 1, height: 1})
|
||||
|
||||
assert.equal(image.toDataURL({scaleFactor: 1.0}), imageDataOne.dataUrl)
|
||||
assert.equal(image.toDataURL({scaleFactor: 2.0}), imageDataTwo.dataUrl)
|
||||
assert.equal(image.toDataURL({scaleFactor: 3.0}), imageDataThree.dataUrl)
|
||||
assert.equal(image.toDataURL({scaleFactor: 4.0}), imageDataThree.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 1.0})).to.equal(imageDataOne.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 2.0})).to.equal(imageDataTwo.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 3.0})).to.equal(imageDataThree.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 4.0})).to.equal(imageDataThree.dataUrl)
|
||||
})
|
||||
|
||||
it('supports adding a representation to an existing image', () => {
|
||||
|
|
@ -503,8 +509,8 @@ describe('nativeImage module', () => {
|
|||
dataURL: imageDataThree.dataUrl
|
||||
})
|
||||
|
||||
assert.equal(image.toDataURL({scaleFactor: 1.0}), imageDataOne.dataUrl)
|
||||
assert.equal(image.toDataURL({scaleFactor: 2.0}), imageDataTwo.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 1.0})).to.equal(imageDataOne.dataUrl)
|
||||
expect(image.toDataURL({scaleFactor: 2.0})).to.equal(imageDataTwo.dataUrl)
|
||||
})
|
||||
})
|
||||
})
|
||||
|
|
|
|||
|
|
@ -5,6 +5,7 @@
|
|||
"version": "0.1.0",
|
||||
"devDependencies": {
|
||||
"basic-auth": "^1.0.4",
|
||||
"chai": "^4.1.2",
|
||||
"coffee-script": "^1.12.3",
|
||||
"graceful-fs": "^4.1.9",
|
||||
"mkdirp": "^0.5.1",
|
||||
|
|
|
|||
Loading…
Reference in a new issue