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Test code refactor #63
Use mocha for feature-specific unit tests Add test coverage report via istanbul
This commit is contained in:
Lovell Fuller
493
test/bench/perf.js
Executable file
493
test/bench/perf.js
Executable file
@@ -0,0 +1,493 @@
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'use strict';
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var fs = require('fs');
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var async = require('async');
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var assert = require('assert');
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var Benchmark = require('benchmark');
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var imagemagick = require('imagemagick');
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var imagemagickNative = require('imagemagick-native');
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var gm = require('gm');
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var sharp = require('../../index');
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var fixtures = require('../fixtures');
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var width = 720;
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var height = 480;
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// Disable libvips cache to ensure tests are as fair as they can be
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sharp.cache(0);
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async.series({
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jpeg: function(callback) {
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var inputJpgBuffer = fs.readFileSync(fixtures.inputJpg);
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(new Benchmark.Suite('jpeg')).add('imagemagick-file-file', {
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defer: true,
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fn: function(deferred) {
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imagemagick.resize({
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srcPath: fixtures.inputJpg,
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dstPath: fixtures.outputJpg,
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quality: 0.8,
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width: width,
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height: height
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}, function(err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('imagemagick-native-buffer-buffer', {
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defer: true,
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fn: function(deferred) {
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imagemagickNative.convert({
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srcData: inputJpgBuffer,
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quality: 80,
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width: width,
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height: height,
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format: 'JPEG'
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});
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deferred.resolve();
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}
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}).add('gm-buffer-file', {
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defer: true,
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fn: function(deferred) {
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gm(inputJpgBuffer).resize(width, height).quality(80).write(fixtures.outputJpg, function (err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('gm-buffer-buffer', {
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defer: true,
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fn: function(deferred) {
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gm(inputJpgBuffer).resize(width, height).quality(80).toBuffer(function (err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('gm-file-file', {
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defer: true,
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fn: function(deferred) {
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gm(fixtures.inputJpg).resize(width, height).quality(80).write(fixtures.outputJpg, function (err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('gm-file-buffer', {
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defer: true,
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fn: function(deferred) {
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gm(fixtures.inputJpg).resize(width, height).quality(80).toBuffer(function (err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-buffer-file', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).toFile(fixtures.outputJpg, function(err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('sharp-buffer-buffer', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-file-file', {
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defer: true,
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fn: function(deferred) {
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sharp(fixtures.inputJpg).resize(width, height).toFile(fixtures.outputJpg, function(err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('sharp-stream-stream', {
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defer: true,
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fn: function(deferred) {
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var readable = fs.createReadStream(fixtures.inputJpg);
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var writable = fs.createWriteStream(fixtures.outputJpg);
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writable.on('finish', function() {
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deferred.resolve();
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});
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var pipeline = sharp().resize(width, height);
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readable.pipe(pipeline).pipe(writable);
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}
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}).add('sharp-file-buffer', {
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defer: true,
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fn: function(deferred) {
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sharp(fixtures.inputJpg).resize(width, height).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-promise', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).toBuffer().then(function(buffer) {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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});
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}
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}).add('sharp-sharpen', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).sharpen().toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-nearest-neighbour', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).interpolateWith(sharp.interpolator.nearest).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-bicubic', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).interpolateWith(sharp.interpolator.bicubic).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-nohalo', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).interpolateWith(sharp.interpolator.nohalo).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-locallyBoundedBicubic', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).interpolateWith(sharp.interpolator.locallyBoundedBicubic).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-vertexSplitQuadraticBasisSpline', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).interpolateWith(sharp.interpolator.vertexSplitQuadraticBasisSpline).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-gamma', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).gamma().toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-greyscale', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).greyscale().toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-greyscale-gamma', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).gamma().greyscale().toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-progressive', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).progressive().toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-rotate', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).rotate(90).resize(width, height).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-sequentialRead', {
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defer: true,
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fn: function(deferred) {
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sharp(inputJpgBuffer).resize(width, height).sequentialRead().toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).on('cycle', function(event) {
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console.log('jpeg ' + String(event.target));
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}).on('complete', function() {
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callback(null, this.filter('fastest').pluck('name'));
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}).run();
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},
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png: function(callback) {
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var inputPngBuffer = fs.readFileSync(fixtures.inputPng);
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(new Benchmark.Suite('png')).add('imagemagick-file-file', {
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defer: true,
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fn: function(deferred) {
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imagemagick.resize({
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srcPath: fixtures.inputPng,
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dstPath: fixtures.outputPng,
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width: width,
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height: height
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}, function(err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('imagemagick-native-buffer-buffer', {
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defer: true,
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fn: function(deferred) {
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imagemagickNative.convert({
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srcData: inputPngBuffer,
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width: width,
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height: height,
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format: 'PNG'
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});
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deferred.resolve();
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}
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}).add('gm-file-file', {
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defer: true,
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fn: function(deferred) {
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gm(fixtures.inputPng).resize(width, height).write(fixtures.outputPng, function (err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('gm-file-buffer', {
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defer: true,
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fn: function(deferred) {
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gm(fixtures.inputPng).resize(width, height).quality(80).toBuffer(function (err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-buffer-file', {
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defer: true,
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fn: function(deferred) {
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sharp(inputPngBuffer).resize(width, height).toFile(fixtures.outputPng, function(err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('sharp-buffer-buffer', {
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defer: true,
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fn: function(deferred) {
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sharp(inputPngBuffer).resize(width, height).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-file-file', {
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defer: true,
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fn: function(deferred) {
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sharp(fixtures.inputPng).resize(width, height).toFile(fixtures.outputPng, function(err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('sharp-file-buffer', {
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defer: true,
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fn: function(deferred) {
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sharp(fixtures.inputPng).resize(width, height).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-progressive', {
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defer: true,
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fn: function(deferred) {
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sharp(inputPngBuffer).resize(width, height).progressive().toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).on('cycle', function(event) {
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console.log(' png ' + String(event.target));
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}).on('complete', function() {
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callback(null, this.filter('fastest').pluck('name'));
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}).run();
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},
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webp: function(callback) {
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var inputWebPBuffer = fs.readFileSync(fixtures.inputWebP);
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(new Benchmark.Suite('webp')).add('sharp-buffer-file', {
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defer: true,
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fn: function(deferred) {
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sharp(inputWebPBuffer).resize(width, height).toFile(fixtures.outputWebP, function(err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('sharp-buffer-buffer', {
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defer: true,
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fn: function(deferred) {
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sharp(inputWebPBuffer).resize(width, height).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).add('sharp-file-file', {
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defer: true,
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fn: function(deferred) {
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sharp(fixtures.inputWebP).resize(width, height).toFile(fixtures.outputWebP, function(err) {
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if (err) {
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throw err;
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} else {
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deferred.resolve();
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}
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});
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}
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}).add('sharp-file-buffer', {
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defer: true,
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fn: function(deferred) {
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sharp(fixtures.inputWebp).resize(width, height).toBuffer(function(err, buffer) {
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if (err) {
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throw err;
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} else {
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assert.notStrictEqual(null, buffer);
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deferred.resolve();
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}
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});
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}
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}).on('cycle', function(event) {
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console.log('webp ' + String(event.target));
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}).on('complete', function() {
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callback(null, this.filter('fastest').pluck('name'));
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}).run();
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}
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}, function(err, results) {
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assert(!err, err);
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Object.keys(results).forEach(function(format) {
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if (results[format].toString().substr(0, 5) !== 'sharp') {
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console.log('sharp was slower than ' + results[format] + ' for ' + format);
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}
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});
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console.dir(sharp.cache());
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});
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