mirror of
https://github.com/cnwhy/QRCode-decode.git
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107 lines
4.2 KiB
JavaScript
107 lines
4.2 KiB
JavaScript
// 综合回归测试：标准图 + 特殊图 + 构造场景（策略链各层）
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// 用法：node test/all_regression.js
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var server = require('../server');
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var imgDecode = require('../src/imageDecode');
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var qrDecode = require('../src/QRDecode');
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var fs = require('fs');
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var path = require('path');
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var passCount = 0;
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var failCount = 0;
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function check(label, actual, expected) {
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if (actual === expected) {
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passCount++;
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console.log('PASS ' + label + ' => ' + actual);
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} else {
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failCount++;
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console.log('FAIL ' + label + ' => ' + actual + '（期望 ' + expected + '）');
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}
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}
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// ---------- 文件用例：标准图 + 特殊图 ----------
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var fileCases = [
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{ path: './img/16.bmp', label: 'bmp16', expect: '12345' },
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{ path: './img/24.bmp', label: 'bmp24', expect: '12345' },
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{ path: './img/32.bmp', label: 'bmp32', expect: '12345' },
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{ path: './img/lx.jpg', label: 'jpg_lx', expect: '12345' },
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{ path: './img/yh.jpg', label: 'jpg_yh', expect: '12345' },
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{ path: './img/8.png', label: 'png8', expect: '12345' },
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{ path: './img/24.png', label: 'png24', expect: '12345' },
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{ path: './img/jt.gif', label: 'gif_jt', expect: '12345' },
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{ path: './img/dt.gif', label: 'gif_dt', expect: '12345' },
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{ path: './img/otsu.png', label: 'otsu.png 渐变光照', expect: '中国人' },
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{ path: './img/o1.png', label: 'o1.png 透明背景美化码', expect: '中国人' },
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{ path: './img/o2.png', label: 'o2.png 深色背景美化码', expect: '中国人' },
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{ path: './img/o3.png', label: 'o3.png 低对比度图', expect: 'https://mpl.qzz.io/' }
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];
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// ---------- 构造场景用例：验证策略链各层 ----------
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// 基于 8.png 构造，覆盖：Otsu / 反转 / 反转+Otsu / 数据未污染
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var img8 = (function () {
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var buffer = fs.readFileSync(path.join(__dirname, './img/8.png'));
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var imageData = imgDecode.png(buffer);
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if (Array.isArray(imageData)) imageData = imageData[0];
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return imageData;
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})();
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var builtCases = [];
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// 暗化图：RGB × 0.5 -> 需要 Otsu 策略
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(function () {
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var data = new Uint8ClampedArray(img8.data.length);
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for (var i = 0; i < img8.data.length; i += 4) {
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data[i] = img8.data[i] * 0.5 | 0;
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data[i + 1] = img8.data[i + 1] * 0.5 | 0;
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data[i + 2] = img8.data[i + 2] * 0.5 | 0;
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data[i + 3] = img8.data[i + 3];
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}
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builtCases.push({ img: { data: data, width: img8.width, height: img8.height }, label: '暗化图(Otsu)', expect: '12345' });
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})();
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// 反色码：黑底白码 -> 需要反转策略
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(function () {
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var data = new Uint8ClampedArray(img8.data.length);
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for (var i = 0; i < img8.data.length; i += 4) {
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var gray = (img8.data[i] * 33.33 + img8.data[i + 1] * 33.33 + img8.data[i + 2] * 33.33) / 100;
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var v = gray <= 153 ? 255 : 0;
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data[i] = v; data[i + 1] = v; data[i + 2] = v; data[i + 3] = 255;
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}
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builtCases.push({ img: { data: data, width: img8.width, height: img8.height }, label: '反色码(反转)', expect: '12345' });
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})();
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// 暗反色码：黑底灰模块 -> 需要反转+Otsu 策略
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(function () {
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var data = new Uint8ClampedArray(img8.data.length);
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for (var i = 0; i < img8.data.length; i += 4) {
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var gray = (img8.data[i] * 33.33 + img8.data[i + 1] * 33.33 + img8.data[i + 2] * 33.33) / 100;
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var v = gray <= 153 ? 95 : 8;
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data[i] = v; data[i + 1] = v; data[i + 2] = v; data[i + 3] = 255;
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}
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builtCases.push({ img: { data: data, width: img8.width, height: img8.height }, label: '暗反色码(反转+Otsu)', expect: '12345' });
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})();
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// 原图再识别：验证预处理未污染原始数据
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builtCases.push({ img: img8, label: '原图再识别(数据未污染)', expect: '12345' });
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// ---------- 执行 ----------
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var tasks = [];
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fileCases.forEach(function (c) {
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tasks.push(server.decodeByPath(path.join(__dirname, c.path))
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.then(function (txt) { check(c.label, txt, c.expect); })
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.catch(function (e) { failCount++; console.log('FAIL ' + c.label + ' => ' + e); }));
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});
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builtCases.forEach(function (c) {
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tasks.push(Promise.resolve().then(function () {
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try { check(c.label, qrDecode(c.img), c.expect); }
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catch (e) { failCount++; console.log('FAIL ' + c.label + ' => ' + e); }
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}));
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});
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Promise.all(tasks).then(function () {
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console.log('');
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console.log('========================');
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console.log('综合回归：通过 ' + passCount + ' / 失败 ' + failCount);
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process.exit(failCount > 0 ? 1 : 0);
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});
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