diff --git a/README.md b/README.md index 6a4b5e9..922314e 100644 --- a/README.md +++ b/README.md @@ -2,11 +2,17 @@ [![Build Status](https://travis-ci.org/gemini-testing/looks-same.svg?branch=master)](https://travis-ci.org/gemini-testing/looks-same) -Node.js library for comparing PNG-images, taking into account human color +Node.js library for comparing images, taking into account human color perception. It is created specially for the needs of visual regression testing for [`hermione`](http://github.com/gemini-testing/hermione) utility, but can be used for other purposes. +## Supported image formats + +JPEG, PNG, WebP, GIF, AVIF, TIFF and SVG images are supported. + +*Note: If you want to compare jpeg files, you may encounter random differences due to the jpeg structure if they are not lossless jpeg files.* + ## Comparing images ```javascript @@ -16,7 +22,7 @@ const looksSame = require('looks-same'); const {equal} = await looksSame('image1.png', 'image2.png'); ``` -Parameters can be paths to files or buffer with compressed `png` image. +Parameters can be paths to files or buffer with compressed image. By default, it will detect only noticeable differences. If you wish to detect any difference, use `strict` options: @@ -109,12 +115,15 @@ await looksSame.createDiff({ ## Building diff image as a Buffer If you don't want the diff image to be written on disk, then simply **don't** -pass any `diff: path` to the `createDiff` method. The callback will then -receive a `Buffer` containing the diff as the 2nd argument. +pass any `diff: path` to the `createDiff` method. The method will then +resolve a `Buffer` containing the diff. You can also specify buffer format +with `extension` key. Default extension is `png`. List of supported formats: +*`heic`, `heif`, `avif`, `jpeg`, `jpg`, `png`, `raw`, `tiff`, `tif`, `webp`, `gif`, `jp2`, `jpx`, `j2k`, `j2c`* ```javascript const buffer = await looksSame.createDiff({ - // exactly same options as above, but without diff + // exactly same options as above, but with optional extension and without diff + extension: 'png' }); ``` diff --git a/index.js b/index.js index 9f33d97..0566ab6 100644 --- a/index.js +++ b/index.js @@ -3,7 +3,7 @@ const _ = require('lodash'); const parseColor = require('parse-color'); const colorDiff = require('color-diff'); -const png = require('./lib/png-image'); +const img = require('./lib/image'); const areColorsSame = require('./lib/same-colors'); const AntialiasingComparator = require('./lib/antialiasing-comparator'); const IgnoreCaretComparator = require('./lib/ignore-caret-comparator'); @@ -11,8 +11,8 @@ const DiffArea = require('./lib/diff-area'); const utils = require('./lib/utils'); const {JND} = require('./lib/constants'); -const makeAntialiasingComparator = (comparator, png1, png2, opts) => { - const antialiasingComparator = new AntialiasingComparator(comparator, png1, png2, opts); +const makeAntialiasingComparator = (comparator, img1, img2, opts) => { + const antialiasingComparator = new AntialiasingComparator(comparator, img1, img2, opts); return (data) => antialiasingComparator.compare(data); }; @@ -34,11 +34,11 @@ function makeCIEDE2000Comparator(tolerance) { }; } -const createComparator = (png1, png2, opts) => { +const createComparator = (img1, img2, opts) => { let comparator = opts.strict ? areColorsSame : makeCIEDE2000Comparator(opts.tolerance); if (opts.ignoreAntialiasing) { - comparator = makeAntialiasingComparator(comparator, png1, png2, opts); + comparator = makeAntialiasingComparator(comparator, img1, img2, opts); } if (opts.ignoreCaret) { @@ -70,31 +70,39 @@ const iterateRect = async (width, height, callback) => { }); }; -const buildDiffImage = async (png1, png2, options) => { - const width = Math.max(png1.width, png2.width); - const height = Math.max(png1.height, png2.height); - const minWidth = Math.min(png1.width, png2.width); - const minHeight = Math.min(png1.height, png2.height); +const buildDiffImage = async (img1, img2, options) => { + const width = Math.max(img1.width, img2.width); + const height = Math.max(img1.height, img2.height); + const minWidth = Math.min(img1.width, img2.width); + const minHeight = Math.min(img1.height, img2.height); + const highlightColor = options.highlightColor; - const result = png.empty(width, height); + const resultBuffer = Buffer.alloc(width * height * 3); + + const setPixel = (buf, x, y, {R, G, B}) => { + const pixelInd = (y * width + x) * 3; + buf[pixelInd] = R; + buf[pixelInd + 1] = G; + buf[pixelInd + 2] = B; + }; await iterateRect(width, height, (x, y) => { if (x >= minWidth || y >= minHeight) { - result.setPixel(x, y, highlightColor); + setPixel(resultBuffer, x, y, highlightColor); return; } - const color1 = png1.getPixel(x, y); - const color2 = png2.getPixel(x, y); + const color1 = img1.getPixel(x, y); + const color2 = img2.getPixel(x, y); - if (!options.comparator({color1, color2, png1, png2, x, y, width, height})) { - result.setPixel(x, y, highlightColor); + if (!options.comparator({color1, color2, img1, img2, x, y, width, height})) { + setPixel(resultBuffer, x, y, highlightColor); } else { - result.setPixel(x, y, color1); + setPixel(resultBuffer, x, y, color1); } }); - return result; + return img.fromBuffer(resultBuffer, {raw: {width, height, channels: 3}}); }; const parseColorString = (str) => { @@ -163,16 +171,16 @@ module.exports = exports = async function looksSame(image1, image2, opts = {}) { return {equal: false, metaInfo, diffBounds, diffClusters: [diffBounds]}; } - const {first: png1, second: png2} = await utils.readPair( + const {first: img1, second: img2} = await utils.readPair( {...image1, source: first.buffer}, {...image2, source: second.buffer}, - utils.readPngCb + utils.readImgCb ); - const comparator = createComparator(png1, png2, opts); + const comparator = createComparator(img1, img2, opts); const {stopOnFirstFail, shouldCluster, clustersSize} = opts; - const {diffArea, diffClusters} = await utils.getDiffPixelsCoords(png1, png2, comparator, {stopOnFirstFail, shouldCluster, clustersSize}); + const {diffArea, diffClusters} = await utils.getDiffPixelsCoords(img1, img2, comparator, {stopOnFirstFail, shouldCluster, clustersSize}); const diffBounds = diffArea.area; const equal = diffArea.isEmpty(); @@ -202,6 +210,7 @@ exports.getDiffArea = async function(image1, image2, opts = {}) { exports.createDiff = async function saveDiff(opts) { opts = prepareOpts(opts); + opts.extension = opts.extension || 'png'; const [image1, image2] = utils.formatImages(opts.reference, opts.current); const {first, second} = await utils.readPair(image1, image2); @@ -211,7 +220,7 @@ exports.createDiff = async function saveDiff(opts) { }); return opts.diff === undefined - ? diffImage.createBuffer() + ? diffImage.createBuffer(opts.extension) : diffImage.save(opts.diff); }; diff --git a/lib/antialiasing-comparator.js b/lib/antialiasing-comparator.js index 3b9f9c7..cb354c9 100644 --- a/lib/antialiasing-comparator.js +++ b/lib/antialiasing-comparator.js @@ -8,10 +8,10 @@ const DEFAULT_BRIGHTNESS_TOLERANCE = 0; module.exports = class AntialiasingComparator { - constructor(baseComparator, png1, png2, {antialiasingTolerance = 0}) { + constructor(baseComparator, img1, img2, {antialiasingTolerance = 0}) { this._baseComparator = baseComparator; - this._img1 = png1; - this._img2 = png2; + this._img1 = img1; + this._img2 = img2; this._brightnessTolerance = antialiasingTolerance; // used only when comparing the darkest and the brightest pixels } diff --git a/lib/ignore-caret-comparator/index.js b/lib/ignore-caret-comparator/index.js index 3db834f..c78cc5a 100644 --- a/lib/ignore-caret-comparator/index.js +++ b/lib/ignore-caret-comparator/index.js @@ -31,7 +31,7 @@ module.exports = class IgnoreCaretComparator { } _checkIsCaret(data) { - return this._state.validate(_.pick(data, ['x', 'y']), _.pick(data, ['png1', 'png2'])); + return this._state.validate(_.pick(data, ['x', 'y']), _.pick(data, ['img1', 'img2'])); } switchState(stateName) { diff --git a/lib/ignore-caret-comparator/states/init.js b/lib/ignore-caret-comparator/states/init.js index 2f4805e..7045f1a 100644 --- a/lib/ignore-caret-comparator/states/init.js +++ b/lib/ignore-caret-comparator/states/init.js @@ -35,12 +35,12 @@ module.exports = class InitState extends State { } _isPointOutsideImages(point, imgs) { - return _.some(imgs, (png) => point.x >= png.width || point.y >= png.height); + return _.some(imgs, (img) => point.x >= img.width || point.y >= img.height); } _areColorsSame(point, imgs) { - const color1 = imgs.png1.getPixel(point.x, point.y); - const color2 = imgs.png2.getPixel(point.x, point.y); + const color1 = imgs.img1.getPixel(point.x, point.y); + const color2 = imgs.img2.getPixel(point.x, point.y); return areColorsSame({color1, color2}); } diff --git a/lib/png-base.js b/lib/image-base.js similarity index 89% rename from lib/png-base.js rename to lib/image-base.js index 1197aee..382dea4 100644 --- a/lib/png-base.js +++ b/lib/image-base.js @@ -1,6 +1,6 @@ 'use strict'; -module.exports = class PNGBase { +module.exports = class ImageBase { static create(...args) { return new this(...args); } diff --git a/lib/png-image/bounded-png.js b/lib/image/bounded-image.js similarity index 63% rename from lib/png-image/bounded-png.js rename to lib/image/bounded-image.js index 9b49e85..93e02e2 100644 --- a/lib/png-image/bounded-png.js +++ b/lib/image/bounded-image.js @@ -1,10 +1,10 @@ 'use strict'; -const PNGImage = require('./png'); +const Image = require('./image'); -module.exports = class BoundedPNGImage extends PNGImage { - constructor(png, boundingBox) { - super(png); +module.exports = class BoundedImage extends Image { + constructor(img, boundingBox) { + super(img); this._boundingBox = boundingBox; } @@ -15,12 +15,6 @@ module.exports = class BoundedPNGImage extends PNGImage { return super.getPixel(actX, actY); } - setPixel(x, y, color) { - const {x: actX, y: actY} = this.getActualCoord(x, y); - - super.setPixel(actX, actY, color); - } - getActualCoord(x, y) { return {x: x + this._boundingBox.left, y: y + this._boundingBox.top}; } diff --git a/lib/image/image.js b/lib/image/image.js new file mode 100644 index 0000000..0f01d4e --- /dev/null +++ b/lib/image/image.js @@ -0,0 +1,41 @@ +'use strict'; + +const ImageBase = require('../image-base'); + +module.exports = class Image extends ImageBase { + constructor(img) { + super(); + + this._img = img; + } + + async init() { + const {data, info} = await this._img.raw().toBuffer({resolveWithObject: true}); + + this._buffer = data; + this._width = info.width; + this._height = info.height; + this._channels = info.channels; + } + + getPixel(x, y) { + const idx = this._getIdx(x, y); + return { + R: this._buffer[idx], + G: this._buffer[idx + 1], + B: this._buffer[idx + 2] + }; + } + + _getIdx(x, y) { + return (this._width * y + x) * this._channels; + } + + async save(path) { + return this._img.toFile(path); + } + + async createBuffer(extension) { + return this._img.toFormat(extension).toBuffer(); + } +}; diff --git a/lib/image/index.js b/lib/image/index.js new file mode 100644 index 0000000..f65b1dc --- /dev/null +++ b/lib/image/index.js @@ -0,0 +1,27 @@ +'use strict'; + +const fs = require('fs-extra'); +const NestedError = require('nested-error-stacks'); +const sharp = require('sharp'); +const OriginalIMG = require('./original-image'); +const BoundedIMG = require('./bounded-image'); + +const createimage = async (img, {boundingBox} = {}) => { + return boundingBox + ? BoundedIMG.create(img, boundingBox) + : OriginalIMG.create(img); +}; + +exports.fromBuffer = async (buffer, opts) => { + const img = sharp(buffer, opts); + return createimage(img, opts); +}; + +exports.fromFile = async (filePath, opts = {}) => { + try { + const buffer = await fs.readFile(filePath); + return exports.fromBuffer(buffer, opts); + } catch (err) { + throw new NestedError(`Can't load img file ${filePath}`, err); + } +}; diff --git a/lib/image/original-image.js b/lib/image/original-image.js new file mode 100644 index 0000000..e5157a8 --- /dev/null +++ b/lib/image/original-image.js @@ -0,0 +1,17 @@ +'use strict'; + +const Image = require('./image'); + +module.exports = class OriginalImage extends Image { + getActualCoord(x, y) { + return {x, y}; + } + + get width() { + return this._width; + } + + get height() { + return this._height; + } +}; diff --git a/lib/png-buffer/bounded-buffer.js b/lib/img-buffer/bounded-buffer.js similarity index 83% rename from lib/png-buffer/bounded-buffer.js rename to lib/img-buffer/bounded-buffer.js index da821f9..466dc7d 100644 --- a/lib/png-buffer/bounded-buffer.js +++ b/lib/img-buffer/bounded-buffer.js @@ -1,8 +1,8 @@ 'use strict'; -const PNGBuffer = require('./buffer'); +const IMGBuffer = require('./buffer'); -module.exports = class BoundedPNGBuffer extends PNGBuffer { +module.exports = class BoundedIMGBuffer extends IMGBuffer { constructor(buffer, boundingBox) { super(buffer); diff --git a/lib/png-buffer/buffer.js b/lib/img-buffer/buffer.js similarity index 61% rename from lib/png-buffer/buffer.js rename to lib/img-buffer/buffer.js index 3dc720d..6bd0f66 100644 --- a/lib/png-buffer/buffer.js +++ b/lib/img-buffer/buffer.js @@ -1,8 +1,8 @@ 'use strict'; -const PNGBase = require('../png-base'); +const ImageBase = require('../image-base'); -module.exports = class PNGBuffer extends PNGBase { +module.exports = class IMGBuffer extends ImageBase { constructor(buffer) { super(); diff --git a/lib/png-buffer/index.js b/lib/img-buffer/index.js similarity index 89% rename from lib/png-buffer/index.js rename to lib/img-buffer/index.js index 68bfb68..8ff50c4 100644 --- a/lib/png-buffer/index.js +++ b/lib/img-buffer/index.js @@ -16,6 +16,6 @@ exports.fromFile = async (filePath, opts = {}) => { const buffer = await fs.readFile(filePath); return exports.create(buffer, opts); } catch (err) { - throw new NestedError(`Can't load png file ${filePath}`, err); + throw new NestedError(`Can't load img file ${filePath}`, err); } }; diff --git a/lib/img-buffer/original-buffer.js b/lib/img-buffer/original-buffer.js new file mode 100644 index 0000000..77d24d7 --- /dev/null +++ b/lib/img-buffer/original-buffer.js @@ -0,0 +1,20 @@ +'use strict'; + +const IMGBuffer = require('./buffer'); + +const IMG_WIDTH_OFFSET = 16; +const IMG_HEIGHT_OFFSET = 20; + +module.exports = class OriginalIMGBuffer extends IMGBuffer { + getActualCoord(x, y) { + return {x, y}; + } + + get width() { + return this._buffer.readUInt32BE(IMG_WIDTH_OFFSET); + } + + get height() { + return this._buffer.readUInt32BE(IMG_HEIGHT_OFFSET); + } +}; diff --git a/lib/png-buffer/original-buffer.js b/lib/png-buffer/original-buffer.js deleted file mode 100644 index 240e59e..0000000 --- a/lib/png-buffer/original-buffer.js +++ /dev/null @@ -1,20 +0,0 @@ -'use strict'; - -const PNGBuffer = require('./buffer'); - -const PNG_WIDTH_OFFSET = 16; -const PNG_HEIGHT_OFFSET = 20; - -module.exports = class OriginalPNGBuffer extends PNGBuffer { - getActualCoord(x, y) { - return {x, y}; - } - - get width() { - return this._buffer.readUInt32BE(PNG_WIDTH_OFFSET); - } - - get height() { - return this._buffer.readUInt32BE(PNG_HEIGHT_OFFSET); - } -}; diff --git a/lib/png-image/index.js b/lib/png-image/index.js deleted file mode 100644 index 2142983..0000000 --- a/lib/png-image/index.js +++ /dev/null @@ -1,42 +0,0 @@ -'use strict'; - -const fs = require('fs-extra'); -const NestedError = require('nested-error-stacks'); -const {PNG} = require('pngjs'); -const OriginalPNG = require('./original-png'); -const BoundedPNG = require('./bounded-png'); - -function parseBuffer(buffer) { - return new Promise((resolve, reject) => { - const png = new PNG(); - png.parse(buffer, (err) => { - if (err) { - reject(err); - } else { - resolve(png); - } - }); - }); -} - -exports.create = (png, {boundingBox} = {}) => { - return boundingBox - ? BoundedPNG.create(png, boundingBox) - : OriginalPNG.create(png); -}; - -exports.fromFile = async (filePath, opts = {}) => { - try { - const buffer = await fs.readFile(filePath); - return await exports.fromBuffer(buffer, opts); - } catch (err) { - throw new NestedError(`Can't load png file ${filePath}`, err); - } -}; - -exports.fromBuffer = async (buffer, opts = {}) => { - const png = await parseBuffer(buffer); - return exports.create(png, opts); -}; - -exports.empty = (width, height) => exports.create(new PNG({width, height})); diff --git a/lib/png-image/original-png.js b/lib/png-image/original-png.js deleted file mode 100644 index 47c8408..0000000 --- a/lib/png-image/original-png.js +++ /dev/null @@ -1,17 +0,0 @@ -'use strict'; - -const PNGImage = require('./png'); - -module.exports = class OriginalPNGImage extends PNGImage { - getActualCoord(x, y) { - return {x, y}; - } - - get width() { - return this._png.width; - } - - get height() { - return this._png.height; - } -}; diff --git a/lib/png-image/png.js b/lib/png-image/png.js deleted file mode 100644 index a6c4e73..0000000 --- a/lib/png-image/png.js +++ /dev/null @@ -1,51 +0,0 @@ -'use strict'; - -const fs = require('fs'); -const concat = require('concat-stream'); -const PNGBase = require('../png-base'); - -module.exports = class PNGImage extends PNGBase { - constructor(png) { - super(); - - this._png = png; - } - - getPixel(x, y) { - const idx = this._getIdx(x, y); - return { - R: this._png.data[idx], - G: this._png.data[idx + 1], - B: this._png.data[idx + 2] - }; - } - - setPixel(x, y, color) { - const idx = this._getIdx(x, y); - this._png.data[idx] = color.R; - this._png.data[idx + 1] = color.G; - this._png.data[idx + 2] = color.B; - this._png.data[idx + 3] = 255; - } - - _getIdx(x, y) { - return (this._png.width * y + x) * 4; - } - - async save(path) { - const writeStream = fs.createWriteStream(path); - this._png.pack().pipe(writeStream); - - return new Promise((resolve, reject) => { - writeStream.on('error', (error) => reject(error)); - writeStream.on('finish', () => resolve(null)); - }); - } - - async createBuffer() { - return new Promise((resolve, reject) => { - this._png.pack().pipe(concat(resolve)); - this._png.on('error', reject); - }); - } -}; diff --git a/lib/utils.js b/lib/utils.js index e5ba735..b7d52e1 100644 --- a/lib/utils.js +++ b/lib/utils.js @@ -1,15 +1,19 @@ 'use strict'; const _ = require('lodash'); -const png = require('./png-image'); -const buffer = require('./png-buffer'); +const img = require('./image'); +const buffer = require('./img-buffer'); const DiffArea = require('./diff-area'); const DiffClusters = require('./diff-clusters'); const validators = require('./validators'); -exports.readPngCb = ({source, ...opts}) => { - const readFunc = Buffer.isBuffer(source) ? png.fromBuffer : png.fromFile; - return readFunc(source, opts); +exports.readImgCb = async ({source, ...opts}) => { + const readFunc = Buffer.isBuffer(source) ? img.fromBuffer : img.fromFile; + const image = await readFunc(source, opts); + + await image.init(); + + return image; }; exports.readBufferCb = ({source, ...opts}) => { @@ -17,21 +21,21 @@ exports.readBufferCb = ({source, ...opts}) => { return readFunc(source, opts); }; -exports.readPair = async (first, second, readCb = exports.readPngCb) => { - const [firstPng, secondPng] = await Promise.all([first, second].map(readCb)); +exports.readPair = async (first, second, readCb = exports.readImgCb) => { + const [firstImg, secondImg] = await Promise.all([first, second].map(readCb)); - return {first: firstPng, second: secondPng}; + return {first: firstImg, second: secondImg}; }; const getDiffClusters = (diffClusters, diffArea, {shouldCluster}) => { return shouldCluster ? diffClusters.clusters : [diffArea.area]; }; -exports.getDiffPixelsCoords = async (png1, png2, predicate, opts = {}) => { +exports.getDiffPixelsCoords = async (img1, img2, predicate, opts = {}) => { const stopOnFirstFail = opts.hasOwnProperty('stopOnFirstFail') ? opts.stopOnFirstFail : false; - const width = Math.min(png1.width, png2.width); - const height = Math.min(png1.height, png2.height); + const width = Math.min(img1.width, img2.width); + const height = Math.min(img1.height, img2.height); const diffArea = new DiffArea(); const diffClusters = new DiffClusters(opts.clustersSize); @@ -40,18 +44,18 @@ exports.getDiffPixelsCoords = async (png1, png2, predicate, opts = {}) => { const processRow = (y) => { setImmediate(() => { for (let x = 0; x < width; x++) { - const color1 = png1.getPixel(x, y); - const color2 = png2.getPixel(x, y); + const color1 = img1.getPixel(x, y); + const color2 = img2.getPixel(x, y); const result = predicate({ color1, color2, - png1, png2, + img1, img2, x, y, width, height }); if (!result) { - const {x: actX, y: actY} = png1.getActualCoord(x, y); + const {x: actX, y: actY} = img1.getActualCoord(x, y); diffArea.update(actX, actY); if (opts.shouldCluster) { diffClusters.update(actX, actY); diff --git a/package-lock.json b/package-lock.json index 51c7e39..de00140 100644 --- a/package-lock.json +++ b/package-lock.json @@ -6,17 +6,16 @@ "packages": { "": { "name": "looks-same", - "version": "7.3.0", + "version": "8.0.1", "license": "MIT", "dependencies": { "color-diff": "^1.1.0", - "concat-stream": "^1.6.2", "fs-extra": "^8.1.0", "js-graph-algorithms": "1.0.18", "lodash": "^4.17.3", "nested-error-stacks": "^2.1.0", "parse-color": "^1.0.0", - "pngjs": "^6.0.0" + "sharp": "~0.30.7" }, "devDependencies": { "@types/node": "^10.12.3", @@ -33,7 +32,7 @@ "temp": "^0.8.3" }, "engines": { - "node": ">= 8.0.0" + "node": ">= 12.0.0" } }, "node_modules/@sinonjs/commons": { @@ -255,6 +254,48 @@ "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=", "dev": true }, + "node_modules/base64-js": { + "version": "1.5.1", + "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz", + "integrity": 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"readable-stream": "^3.1.1" + }, + "dependencies": { + "readable-stream": { + "version": "3.6.0", + "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz", + "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==", + "requires": { + "inherits": "^2.0.3", + "string_decoder": "^1.1.1", + "util-deprecate": "^1.0.1" + } + } + } + }, "temp": { "version": "0.8.3", "resolved": "https://registry.npmjs.org/temp/-/temp-0.8.3.tgz", @@ -7151,6 +7912,14 @@ "integrity": "sha1-n5up2e+odkw4dpi8v+sshI8RrbM=", "dev": true }, + "tunnel-agent": { + "version": "0.6.0", + "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz", + "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==", + "requires": { + "safe-buffer": "^5.0.1" + } + }, "type-check": { "version": "0.3.2", "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz", @@ -7169,7 +7938,8 @@ "typedarray": { "version": "0.0.6", "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz", - "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=" + "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c=", + "dev": true }, "uglify-js": { "version": "3.6.4", @@ -7307,8 +8077,7 @@ "wrappy": { "version": "1.0.2", "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz", - "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=", - "dev": true + "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=" }, "write": { "version": "0.2.1", diff --git a/package.json b/package.json index d942c70..5afc6fb 100644 --- a/package.json +++ b/package.json @@ -9,13 +9,12 @@ }, "dependencies": { "color-diff": "^1.1.0", - "concat-stream": "^1.6.2", "fs-extra": "^8.1.0", "js-graph-algorithms": "1.0.18", "lodash": "^4.17.3", "nested-error-stacks": "^2.1.0", "parse-color": "^1.0.0", - "pngjs": "^6.0.0" + "sharp": "~0.30.7" }, "devDependencies": { "@types/node": "^10.12.3", diff --git a/test/ignore-caret-comparator.js b/test/ignore-caret-comparator.js index 7c16e39..ee8eec6 100644 --- a/test/ignore-caret-comparator.js +++ b/test/ignore-caret-comparator.js @@ -16,14 +16,14 @@ describe('IgnoreCaretComparator', () => { const width = pixels[0].length; const height = pixels.length; - const png1 = {data: pixels, getPixel: (x, y) => pixels[y][x], width, height}; - const png2 = {data: emptyPixels, getPixel: (x, y) => emptyPixels[y][x], width, height}; + const img1 = {data: pixels, getPixel: (x, y) => pixels[y][x], width, height}; + const img2 = {data: emptyPixels, getPixel: (x, y) => emptyPixels[y][x], width, height}; let res = true; for (let y = 0; y < pixels.length; ++y) { for (let x = 0; x < pixels[y].length; ++x) { - res = comparator({color1: png1.data[y][x], color2: png2.data[y][x], x, y, png1, png2}); + res = comparator({color1: img1.data[y][x], color2: img2.data[y][x], x, y, img1, img2}); if (!res) { break; } diff --git a/test/png/index.js b/test/png/index.js index 3a8c81c..264ea05 100644 --- a/test/png/index.js +++ b/test/png/index.js @@ -1,42 +1,56 @@ 'use strict'; const sinon = require('sinon'); +const proxyquire = require('proxyquire'); const fs = require('fs-extra'); -const {PNG} = require('pngjs'); -const {fromFile} = require('../../lib/png-image'); const stubBuffer = Buffer.from([123]); -describe('lib/png-image/index.js', () => { +describe('lib/image/index.js', () => { const sandbox = sinon.createSandbox(); let parseError; - + let image; + let mkSharpImage_; beforeEach(() => { parseError = null; + mkSharpImage_ = sandbox.stub(); + image = proxyquire('../../lib/image', {'sharp': mkSharpImage_}); sandbox.stub(fs, 'readFile').resolves(stubBuffer); - sandbox.stub(PNG.prototype, 'parse').callsFake((buffer, cb) => { - cb(parseError); - }); }); afterEach(() => sandbox.restore()); describe('fromFile', () => { - it('should parse and return PNG', async () => { - const png = await fromFile('/filePath'); + it('should parse and return sharp instance', async () => { + await image.fromFile('/filePath'); - assert.instanceOf(png._png, PNG); - assert.calledOnceWith(PNG.prototype.parse, stubBuffer); + assert.calledOnceWith(mkSharpImage_, stubBuffer); }); it('should throw error with file path and original error message at stack', async () => { parseError = new Error('test error'); + fs.readFile.withArgs('/filePath').rejects(parseError); - const error = await assert.isRejected(fromFile('/filePath')); + const error = await assert.isRejected(image.fromFile('/filePath')); - assert.match(error.message, 'Can\'t load png file /filePath'); + assert.match(error.message, 'Can\'t load img file /filePath'); assert.match(error.stack, 'Error: test error'); }); }); + + it('should create image from raw buffer', async () => { + const rawBuffer = 'foo'; + const rawOpts = { + raw: { + width: 100500, + height: 500100, + channels: 42 + } + }; + + await image.fromBuffer(rawBuffer, rawOpts); + + assert.calledOnceWith(mkSharpImage_, rawBuffer, rawOpts); + }); }); diff --git a/test/test.js b/test/test.js index 9313191..b3da29b 100644 --- a/test/test.js +++ b/test/test.js @@ -71,7 +71,7 @@ describe('looksSame', () => { assert.notCalled(utils.getDiffPixelsCoords); }); - it('should return false for different images (compare by png pixels)', async () => { + it('should return false for different images (compare by img pixels)', async () => { sandbox.spy(utils, 'getDiffPixelsCoords'); const {equal} = await looksSame(getImage('ref.png'), getImage('different.png'));