Best JavaScript code snippet using backstopjs
engineTools.js
Source:engineTools.js
1function getMisMatchThreshHold (scenario, config) {2 if (typeof scenario.misMatchThreshold !== 'undefined') { return scenario.misMatchThreshold; }3 if (typeof config.misMatchThreshold !== 'undefined') { return config.misMatchThreshold; }4 return config.defaultMisMatchThreshold;5}6function ensureFileSuffix (filename, suffix) {7 var re = new RegExp('\.' + suffix + '$', ''); // eslint-disable-line no-useless-escape8 return filename.replace(re, '') + '.' + suffix;9}10// merge both strings while soft-enforcing a single slash between them11function glueStringsWithSlash (stringA, stringB) {12 return stringA.replace(/\/$/, '') + '/' + stringB.replace(/^\//, '');13}14function genHash (str) {15 var hash = 0;16 var i;17 var chr;18 var len;19 if (!str) return hash;20 str = str.toString();21 for (i = 0, len = str.length; i < len; i++) {22 chr = str.charCodeAt(i);23 hash = ((hash << 5) - hash) + chr;24 hash |= 0; // Convert to 32bit integer25 }26 // return a string and replace a negative sign with a zero27 return hash.toString().replace(/^-/, 0);28}29function getRequireSameDimentions (scenario, config) {30 if (scenario.requireSameDimensions !== undefined) {31 return scenario.requireSameDimensions;32 } else if (config.requireSameDimensions !== undefined) {33 return config.requireSameDimensions;34 } else {35 return config.defaultRequireSameDimensions;36 }37}38function getSelectorName (selector) {39 return selector.replace(/[^a-z0-9_-]/gi, ''); // remove anything that's not a letter or a number40}41function makeSafe (str) {42 return str.replace(/[ /]/g, '_');43}44function getFilename (fileNameTemplate, outputFileFormatSuffix, configId, scenarioIndex, scenarioLabelSafe, selectorIndex, selectorLabel, viewportIndex, viewportLabel) {45 var fileName = fileNameTemplate46 .replace(/\{configId\}/, configId)47 .replace(/\{scenarioIndex\}/, scenarioIndex)48 .replace(/\{scenarioLabel\}/, scenarioLabelSafe)49 .replace(/\{selectorIndex\}/, selectorIndex)50 .replace(/\{selectorLabel\}/, selectorLabel)51 .replace(/\{viewportIndex\}/, viewportIndex)52 .replace(/\{viewportLabel\}/, makeSafe(viewportLabel))53 .replace(/[^a-z0-9_-]/gi, ''); // remove anything that's not a letter or a number or dash or underscore.54 var extRegExp = new RegExp(outputFileFormatSuffix + '$', 'i');55 if (!extRegExp.test(fileName)) {56 fileName = fileName + outputFileFormatSuffix;57 }58 return fileName;59}60function getEngineOption (config, optionName, fallBack) {61 if (typeof config.engineOptions === 'object' && config.engineOptions[optionName]) {62 return config.engineOptions[optionName];63 }64 return fallBack;65}66function getScenarioExpect (scenario) {67 let expect = 0;68 if (scenario.selectorExpansion && scenario.selectors && scenario.selectors.length && scenario.expect) {69 expect = scenario.expect;70 }71 return expect;72}73function generateTestPair (config, scenario, viewport, variantOrScenarioLabelSafe, scenarioLabelSafe, selectorIndex, selector) {74 const cleanedSelectorName = getSelectorName(selector);75 const fileName = getFilename(76 config._fileNameTemplate,77 config._outputFileFormatSuffix,78 config._configId,79 scenario.sIndex,80 variantOrScenarioLabelSafe,81 selectorIndex,82 cleanedSelectorName,83 viewport.vIndex,84 viewport.label85 );86 const referenceFilePath = config._bitmapsReferencePath + '/' + getFilename(87 config._fileNameTemplate,88 config._outputFileFormatSuffix,89 config._configId,90 scenario.sIndex,91 scenarioLabelSafe,92 selectorIndex,93 cleanedSelectorName,94 viewport.vIndex,95 viewport.label96 );97 const testFilePath = config._bitmapsTestPath + '/' + config.screenshotDateTime + '/' + fileName;98 return {99 reference: referenceFilePath,100 test: testFilePath,101 selector: selector,102 fileName: fileName,103 label: scenario.label,104 requireSameDimensions: getRequireSameDimentions(scenario, config),105 misMatchThreshold: getMisMatchThreshHold(scenario, config),106 url: scenario.url,107 referenceUrl: scenario.referenceUrl,108 expect: getScenarioExpect(scenario),109 viewportLabel: viewport.label110 };111}112module.exports = {113 generateTestPair: generateTestPair,114 getMisMatchThreshHold: getMisMatchThreshHold,115 getRequireSameDimentions: getRequireSameDimentions,116 ensureFileSuffix: ensureFileSuffix,117 glueStringsWithSlash: glueStringsWithSlash,118 genHash: genHash,119 makeSafe: makeSafe,120 getFilename: getFilename,121 getEngineOption: getEngineOption,122 getSelectorName: getSelectorName,123 getScenarioExpect: getScenarioExpect...
Using AI Code Generation
1var backstop = require('backstopjs');2var config = require('./backstop.json');3var engine = require('puppeteer');4var options = {5 engineOptions: {6 }7};8backstop('test', {config: config, engineOptions: options});9* [BackstopJS](
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