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86 lines
1.8 KiB
JavaScript
86 lines
1.8 KiB
JavaScript
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/* global __karma__ */
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'use strict';
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var utils = require('./utils');
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function readFile(url, callback) {
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var request = new XMLHttpRequest();
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request.onreadystatechange = function() {
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if (request.readyState === 4) {
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return callback(request.responseText);
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}
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};
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request.open('GET', url, false);
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request.send(null);
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}
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function loadConfig(url, callback) {
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var regex = /\.(json|js)$/i;
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var matches = url.match(regex);
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var type = matches ? matches[1] : 'json';
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var cfg = null;
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readFile(url, function(content) {
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switch (type) {
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case 'js':
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// eslint-disable-next-line
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cfg = new Function('"use strict"; var module = {};' + content + '; return module.exports;')();
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break;
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case 'json':
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cfg = JSON.parse(content);
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break;
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default:
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}
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callback(cfg);
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});
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}
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function specFromFixture(description, inputs) {
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var input = inputs.js || inputs.json;
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it(input, function(done) {
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loadConfig(input, function(json) {
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var chart = utils.acquireChart(json.config, json.options);
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if (!inputs.png) {
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fail('Missing PNG comparison file for ' + inputs.json);
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done();
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}
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utils.readImageData(inputs.png, function(expected) {
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expect(chart).toEqualImageData(expected, json);
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utils.releaseChart(chart);
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done();
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});
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});
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});
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}
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function specsFromFixtures(path) {
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var regex = new RegExp('(^/base/test/fixtures/' + path + '.+)\\.(png|json|js)');
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var inputs = {};
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Object.keys(__karma__.files || {}).forEach(function(file) {
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var matches = file.match(regex);
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var name = matches && matches[1];
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var type = matches && matches[2];
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if (name && type) {
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inputs[name] = inputs[name] || {};
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inputs[name][type] = file;
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}
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});
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return function() {
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Object.keys(inputs).forEach(function(key) {
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specFromFixture(key, inputs[key]);
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});
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};
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}
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module.exports = {
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specs: specsFromFixtures
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};
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