WEBDIENSTE/YellowLabTools
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add Image Optimization rule to the dashbard

Browse Source
This commit is contained in:
Gaël Métais
2015-06-01 14:57:05 +02:00
parent c428c8ae2d
commit 1606cbab18
10 changed files with 351 additions and 133 deletions
Download Patch File Download Diff File Expand all files Collapse all files
test/core/imageOptimizerTest.js
+48 -10
View File
@@ -6,7 +6,7 @@ var path = require('path');
describe('imageOptimizer', function() {
it('should optimize a JPEG image losslessly', function(done) {
var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/jpeg-image.jpg'));
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/jpeg-image.jpg'));
var fileSize = fileContent.length;
@@ -20,7 +20,7 @@ describe('imageOptimizer', function() {
});
it('should optimize a JPEG image lossly', function(done) {
var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/jpeg-image.jpg'));
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/jpeg-image.jpg'));
var fileSize = fileContent.length;
@@ -34,7 +34,7 @@ describe('imageOptimizer', function() {
});
it('should find the best optimization for a jpeg', function(done) {
var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/jpeg-image.jpg'));
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/jpeg-image.jpg'));
var fileSize = fileContent.length;
var entry = {
@@ -77,7 +77,7 @@ describe('imageOptimizer', function() {
});
it('should optimize a PNG image losslessly', function(done) {
var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/png-image.png'));
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/png-image.png'));
var fileSize = fileContent.length;
@@ -90,8 +90,36 @@ describe('imageOptimizer', function() {
});
});
it('should fail to optimize an already optimized PNG', function(done) {
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/logo-large.png'));
var fileSize = fileContent.length;
imageOptimizer.compressPngLosslessly(fileContent).then(function(newFile) {
var newFileSize = newFile.contents.length;
newFileSize.should.equal(fileSize);
done();
}).fail(function(err) {
done(err);
});
});
it('should fail to optimize a non-PNG', function(done) {
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/svg-image.svg'));
var fileSize = fileContent.length;
imageOptimizer.compressPngLosslessly(fileContent).then(function(newFile) {
var newFileSize = newFile.contents.length;
newFileSize.should.equal(fileSize);
done();
}).fail(function(err) {
done(err);
});
});
it('should optimize a png', function(done) {
var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/png-image.png'));
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/png-image.png'));
var fileSize = fileContent.length;
var entry = {
@@ -132,9 +160,8 @@ describe('imageOptimizer', function() {
});
});
it('should optimize an SVG image losslessly', function(done) {
var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/svg-image.svg'));
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/svg-image.svg'));
var fileSize = fileContent.length;
@@ -148,7 +175,7 @@ describe('imageOptimizer', function() {
});
it('should optimize an SVG', function(done) {
var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/svg-image.svg'));
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/svg-image.svg'));
var fileSize = fileContent.length;
var entry = {
@@ -194,7 +221,7 @@ describe('imageOptimizer', function() {
// In this test, we try to optimize a PNG but with a falsy "image/jpeg" content type
var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/png-image.png'));
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/png-image.png'));
var fileSize = fileContent.length;
var entry = {
@@ -237,7 +264,7 @@ describe('imageOptimizer', function() {
// In this test, we try to optimize a JPEG but with a falsy "image/png" content type
var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/jpeg-image.jpg'));
var fileContent = fs.readFileSync(path.resolve(__dirname, '../www/jpeg-image.jpg'));
var fileSize = fileContent.length;
var entry = {
@@ -276,4 +303,15 @@ describe('imageOptimizer', function() {
});
});
it('should determine if gain is enough', function() {
imageOptimizer.gainIsEnough(20000, 10000).should.equal(true);
imageOptimizer.gainIsEnough(2000, 1000).should.equal(true);
imageOptimizer.gainIsEnough(20000, 21000).should.equal(false);
imageOptimizer.gainIsEnough(20000, 40000).should.equal(false);
imageOptimizer.gainIsEnough(20000, 19500).should.equal(false);
imageOptimizer.gainIsEnough(200, 100).should.equal(true);
imageOptimizer.gainIsEnough(2000, 1900).should.equal(false);
imageOptimizer.gainIsEnough(200000, 197000).should.equal(true);
});
});