james.cryer
7 years ago
18 changed files with 2775 additions and 232 deletions
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const resemble = require('./resemble'); |
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module.exports = async function(image1, image2) { |
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return new Promise(function(resolve, reject) { |
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resemble(image1).compareTo(image2).onComplete(function(data) { |
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if (data.error) { |
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reject(data.error); |
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} else { |
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resolve(data); |
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} |
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}); |
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}); |
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}; |
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After Width: | Height: | Size: 94 KiB |
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FROM node:8 |
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RUN apt-get update \ |
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&& apt-get install -qq libcairo2-dev libjpeg-dev libpango1.0-dev libgif-dev build-essential g++ |
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RUN mkdir -p /opt/node/js \ |
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&& cd /opt/node \ |
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&& npm install canvas color-convert |
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WORKDIR /opt/node/js |
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COPY . /opt/node/js |
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RUN npm install |
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CMD ["npm", "run", "test"] |
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After Width: | Height: | Size: 90 KiB |
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const compareImages = require('../compareImages'); |
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const fs = require('fs'); |
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describe('compareImages', () => { |
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test('works with buffers', async () => { |
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const data = await compareImages( |
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fs.readFileSync('./demoassets/People.jpg'), |
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fs.readFileSync('./demoassets/People2.jpg') |
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); |
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expect(data.isSameDimensions).toBe(true); |
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expect(data.misMatchPercentage).toEqual('8.66'); |
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const buffer = data.getBuffer(); |
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expect(buffer).toBeInstanceOf(Buffer); |
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expect(buffer.length).toBe(91876); |
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const comparison = fs.readFileSync( |
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'./nodejs-tests/PeopleComparedToPeople2.png' |
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); |
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expect(buffer.equals(comparison)).toBe(true); |
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}); |
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test('throws when failed', async () => { |
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const promise = compareImages( |
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fs.readFileSync('./demoassets/People.jpg'), |
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'bogus data' |
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); |
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await expect(promise).rejects.toMatch('Image load error.'); |
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}); |
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}); |
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const resemble = require('../resemble'); |
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const fs = require('fs'); |
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describe('resemble', () => { |
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test('base64', () => { |
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const people_src = |
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'data:image/jpeg;base64,' + |
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fs.readFileSync('./demoassets/People.jpg', 'base64'); |
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const people2_src = |
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'data:image/jpeg;base64,' + |
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fs.readFileSync('./demoassets/People2.jpg', 'base64'); |
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return new Promise(function(resolve, reject) { |
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resemble(people_src).compareTo(people2_src).onComplete(function(data) { |
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// console.info('Reached oncomplete for base64_string');
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expect(data.diffBounds.bottom).toEqual(431); |
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expect(data.diffBounds.left).toEqual(22); |
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expect(data.diffBounds.right).toEqual(450); |
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expect(data.diffBounds.top).toEqual(58); |
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expect(data.dimensionDifference.height).toEqual(0); |
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expect(data.dimensionDifference.width).toEqual(0); |
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expect(data.isSameDimensions).toBe(true); |
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expect(data.misMatchPercentage).toEqual('8.66'); |
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resolve(); |
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}); |
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}); |
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}); |
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test('files', () => { |
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return new Promise(function(resolve, reject) { |
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resemble('./demoassets/People.jpg') |
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.compareTo('./demoassets/People2.jpg') |
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.onComplete(function(data) { |
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// console.info('Reached oncomplete for request_success');
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expect(data.diffBounds).toEqual( |
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expect.objectContaining({ |
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bottom: expect.any(Number), |
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left: expect.any(Number), |
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top: expect.any(Number), |
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right: expect.any(Number) |
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}) |
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); |
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expect(data.diffBounds.bottom).toEqual(431); |
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expect(data.diffBounds.left).toEqual(22); |
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expect(data.diffBounds.right).toEqual(450); |
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expect(data.diffBounds.top).toEqual(58); |
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expect(data.dimensionDifference.height).toEqual(0); |
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expect(data.dimensionDifference.width).toEqual(0); |
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expect(data.isSameDimensions).toBe(true); |
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expect(data.misMatchPercentage).toEqual('8.66'); |
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resolve(); |
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}); |
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}); |
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}); |
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test('file not found', () => { |
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return new Promise(function(resolve, reject) { |
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resemble('../demoassets/People.jpg') |
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.compareTo('../demoassets/404-image.jpg') |
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.onComplete(function(data) { |
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// console.info('Reached oncomplete for request_404');
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// console.log(data);
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expect(data.error).toEqual('Image load error.'); |
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resolve(); |
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}); |
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}); |
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}); |
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test('node buffers', () => { |
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const people = fs.readFileSync('./demoassets/People.jpg'); |
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const people2 = fs.readFileSync('./demoassets/People2.jpg'); |
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return new Promise(function(resolve, reject) { |
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resemble(people).compareTo(people2).onComplete(function(data) { |
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// console.info('Reached oncomplete for base64_string');
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expect(data.diffBounds.bottom).toEqual(431); |
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expect(data.diffBounds.left).toEqual(22); |
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expect(data.diffBounds.right).toEqual(450); |
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expect(data.diffBounds.top).toEqual(58); |
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expect(data.dimensionDifference.height).toEqual(0); |
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expect(data.dimensionDifference.width).toEqual(0); |
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expect(data.isSameDimensions).toBe(true); |
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expect(data.misMatchPercentage).toEqual('8.66'); |
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resolve(); |
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}); |
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}); |
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}); |
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}); |
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