80 lines
2.6 KiB
JavaScript
80 lines
2.6 KiB
JavaScript
var should = require('chai').should();
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var imageOptimizer = require('../../lib/tools/weightChecker/imageOptimizer');
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var fs = require('fs');
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var path = require('path');
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describe('imageOptimizer', function() {
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it('should optimize a JPEG image losslessly', function(done) {
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var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/jpeg-image.jpg'));
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var fileSize = fileContent.length;
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imageOptimizer.compressJpegLosslessly(fileContent).then(function(newFile) {
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var newFileSize = newFile.contents.length;
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newFileSize.should.be.below(fileSize);
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done();
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}).fail(function(err) {
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done(err);
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});
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});
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it('should optimize a JPEG image lossly', function(done) {
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var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/jpeg-image.jpg'));
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var fileSize = fileContent.length;
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imageOptimizer.compressJpegLossly(fileContent).then(function(newFile) {
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var newFileSize = newFile.contents.length;
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newFileSize.should.be.below(fileSize);
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done();
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}).fail(function(err) {
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done(err);
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});
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});
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it('should find the best optimization for a jpeg', function(done) {
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var fileContent = fs.readFileSync(path.resolve(__dirname, '../fixtures/jpeg-image.jpg'));
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var fileSize = fileContent.length;
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var entry = {
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method: 'GET',
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url: 'http://localhost:8388/an-image.jpg',
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requestHeaders: {
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'User-Agent': 'something',
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Referer: 'http://www.google.fr/',
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Accept: '*/*',
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'Accept-Encoding': 'gzip, deflate'
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},
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status: 200,
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isImage: true,
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type: 'image',
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contentType: 'image/jpeg',
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contentLength: 999,
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weightCheck: {
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body: fileContent,
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totalWeight: fileSize + 200,
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headersSize: 200,
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bodySize: fileSize,
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isCompressed: false,
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uncompressedSize: fileSize
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}
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};
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imageOptimizer.optimizeImage(entry)
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.then(function(newEntry) {
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newEntry.weightCheck.should.have.a.property('isOptimized').that.equals(false);
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newEntry.weightCheck.should.have.a.property('lossless').that.is.below(fileSize);
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newEntry.weightCheck.should.have.a.property('lossy').that.is.below(newEntry.weightCheck.lossless);
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done();
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})
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.fail(function(err) {
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done(err);
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});
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});
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});
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