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How to use structuredPatch method in backstopjs

Best JavaScript code snippet using backstopjs

index.js

Source:index.js

1import React from 'react';2const jsDiff = require('diff');3import s from './index.css';4import { Upload, Button, Select, Input, Form } from 'antd';5import ContentDiff from '../contentDiff';6import cx from 'classnames';7const FormItem = Form.Item;8const { TextArea } = Input;9const layout = {10    labelCol: { span: 4 },11    wrapperCol: { span: 20 },12};13const SeleLayout = {14    labelCol: { span: 10 },15    wrapperCol: { span: 10 },16};17const wordsMethodArr = ['diffChars', 'diffWords', 'diffWordsWithSpace'];18const linesMethods = ['diffLines', 'diffTrimmedLines', 'diffSentences', 'structuredPatch', 'createTwoFilesPatch'];19const fileMethods = ['structuredPatch', 'createTwoFilesPatch'];20export default class WordDiff extends React.Component {21    get isWordType() {22        return this.props.type === 'words';23    }24    get isFile() {25        return fileMethods.includes(this.state.method);26    }27    get isDirectPatch() {28        return this.state.method === 'createTwoFilesPatch';29    }30    state = {31        diffArr: [],32        method: this.props.type === 'words' ? 'diffChars' : 'diffLines',33        value1: this.props.type === 'words' ? 'guanlanluditie' : 'å¹¿å°è·¯å°é\nèåå®³äº',34        value2: this.props.type === 'words' ? 'smartguanlanluditieYeah' : 'å¹¿å°è·¯å°é\nä¸è¬è¬'35    }36    componentDidMount() {37        this.actDiff();38    }39    getCharDiff = () => {40        const charColorMap = {41            'add': s.charAdd,42            'removed': s.charRemoved,43        }44        return <div className={s.result}>45            æ¯è¾ç»æ: 46            {this.state.diffArr.map((item, index) => {47                const { value, added, removed } = item;48                const type = added ? 'add' : (removed ? 'removed' : '')49                return <span key={index} className={cx(charColorMap[type], s.charPreWrap)}>{value}</span>50                })51            }52        </div>53    }54    changInput = (type, e) => {55        this.setState({56            [type === 0 ? 'value1' : 'value2']: e.target.value57        })58    }59    handleSelectChange = (value) => {60        this.setState({61            method: value62        });63    }64    actDiff = () => {65        const { value1, value2, method } = this.state;66        let res;67        if (this.isFile) {68            res = method === 'structuredPatch' ? jsDiff[method]('value1', 'value2', value1, value2).hunks[0].lines : jsDiff[method]('value1', 'value2', value1, value2);69        } else {70            res = jsDiff[method](value1, value2);71        }72        this.setState({73            diffArr: res74        });75    }76    changeFile = async (type, info) => {77        const { file } = info;78        const content = await file.originFileObj.text();79        this.setState({80            [type === 0 ? 'value1' : 'value2']: content81        })82        console.log(content);83    }84    render() {85        const { method, diffArr, value1, value2 } = this.state;86        const diffMethod = this.isWordType ? wordsMethodArr : linesMethods;87        return (88            <div className={s.wrapper}>89                {/* <div>90                    <Upload91                        onChange={this.changeFile.bind(null, 0)}92                        //  ä¸è¦è·é»è®¤çæºéä¸ä¼ æ¹æ³ï¼æ¯ä¸ä¼ ä¸æ¬¡å°±æä¸ªpostè¯·æ±ï¼æçæ¶åè¿ä¼å¡ç¶æ93                        customRequest={() => {}}94                    >95                        ç¹æä¸ä¼ 196                    </Upload>97                </div>98                <div>99                    <Upload100                        onChange={this.changeFile.bind(null, 1)}101                        //  ä¸è¦è·é»è®¤çæºéä¸ä¼ æ¹æ³ï¼æ¯ä¸ä¼ ä¸æ¬¡å°±æä¸ªpostè¯·æ±ï¼æçæ¶åè¿ä¼å¡ç¶æ102                        customRequest={() => {}}103                    >104                        ç¹æä¸ä¼ 2105                    </Upload>106                </div> */}107                <div className={s.inputWrapper}>108                    <FormItem {...layout} label='è¾å¥1' className={s.input}>109                        <TextArea  defaultValue={value1} onChange={this.changInput.bind(null, 0)}/>110                    </FormItem>111                    <FormItem {...layout} label='è¾å¥2'  className={s.input}>112                        <TextArea defaultValue={value2} onChange={this.changInput.bind(null, 1)}/>113                    </FormItem>114                </div>115                <div className={s.funWrapper}>116                    <FormItem {...SeleLayout} label='æ¯è¾æ¹æ³'>117                        <Select defaultValue={method} style={{ width: 220 }}onChange={this.handleSelectChange}>118                            {diffMethod.map((item, index) => {119                                return <Select.Option key={index} value={item}>{item}</Select.Option>120                            })}121                        </Select>122                    </FormItem>123                    <Button type='primary' onClick={this.actDiff}>æ¯è¾</Button>124                </div>125                {this.isDirectPatch ? <div className={s.preWrap}>{typeof diffArr === 'string' ? diffArr : ''}</div> : this.isWordType ? this.getCharDiff() : <ContentDiff isFile={this.isFile} diffArr={diffArr}/>}126            </div>127        )128    }...

diffStrings.js

Source:diffStrings.js

...61  var markOld = '-' + hunk.oldStart + ',' + hunk.oldLines;62  var markNew = '+' + hunk.newStart + ',' + hunk.newLines;63  return chalk.yellow('@@ ' + markOld + ' ' + markNew + ' @@\n');64};65var structuredPatch = function structuredPatch(a, b) {66  var options = { context: DIFF_CONTEXT };67  var isDifferent = false;68  // Make sure the strings end with a newline.69  if (!a.endsWith('\n')) {70    a += '\n';71  }72  if (!b.endsWith('\n')) {73    b += '\n';74  }75  var oldLinesCount = (a.match(/\n/g) || []).length;76  return {77    diff: diff.78    structuredPatch('', '', a, b, '', '', options).79    hunks.map(function (hunk) {80      var lines = hunk.lines.81      map(function (line) {82        var added = line[0] === '+';83        var removed = line[0] === '-';84        var color = getColor(added, removed);85        var bgColor = getBgColor(added, removed);86        var highlightedLine = highlightTrailingWhitespace(line, bgColor);87        return color(highlightedLine) + '\n';88      }).89      join('');90      isDifferent = true;91      return shouldShowPatchMarks(hunk, oldLinesCount) ?92      createPatchMark(hunk) + lines :93      lines;94    }).95    join('').96    trim(),97    isDifferent: isDifferent };98};99function diffStrings(a, b, options) {100  // `diff` uses the Myers LCS diff algorithm which runs in O(n+d^2) time101  // (where "d" is the edit distance) and can get very slow for large edit102  // distances. Mitigate the cost by switching to a lower-resolution diff103  // whenever linebreaks are involved.104  var result = options && options.expand === false ?105  structuredPatch(a, b) :106  diffLines(a, b);107  if (result.isDifferent) {108    return getAnnotation(options) + result.diff;109  } else {110    return NO_DIFF_MESSAGE;111  }112}...

index.ts

Source:index.ts

...27  const { model, api } = runMetarpheusIoTs(metarpheusConfig);28  // API diff29  logger.metarpheusDiff('Diffing api files...');30  const apiNew = fs.readFileSync(metarpheusConfig.apiOut, 'utf-8');31  const apiExitCode = structuredPatch('', '', api, apiNew, '', '').hunks.length === 0 ? 0 : 1;32  const apiOutput = colorizePatch(createTwoFilesPatch('current', 'new', api, apiNew, '', ''));33  if (apiExitCode !== 0) {34    console.log(apiOutput);35  }36  // model diff37  logger.metarpheusDiff('Diffing models files...');38  const modelNew = fs.readFileSync(metarpheusConfig.modelOut, 'utf-8');39  const modelExitCode = structuredPatch('', '', model, modelNew, '', '').hunks.length === 0 ? 0 : 1;40  const modelOutput = colorizePatch(createTwoFilesPatch('current', 'new', model, modelNew, '', ''));41  if (modelExitCode !== 0) {42    console.log(modelOutput);43  }44  if (modelExitCode !== 0 || apiExitCode !== 0) {45    throw new Error();46  }...

Using AI Code Generation

1var diff = require('diff');2var fs = require('fs');3var oldFile = fs.readFileSync('old.txt', 'utf8');4var newFile = fs.readFileSync('new.txt', 'utf8');5var patch = diff.createTwoFilesPatch('old.txt', 'new.txt', oldFile, newFile);6console.log(patch);7var diff = require('diff');8var fs = require('fs');9var patch = fs.readFileSync('patch.txt', 'utf8');10var oldFile = fs.readFileSync('old.txt', 'utf8');11var result = diff.applyPatch(oldFile, patch);12console.log(result);13var diff = require('diff');14var fs = require('fs');15var patch = fs.readFileSync('patch.txt', 'utf8');16var oldFile = fs.readFileSync('old.txt', 'utf8');17var result = diff.applyPatch(oldFile, patch);18console.log(result);19var diff = require('diff');20var fs = require('fs');21var patch = fs.readFileSync('patch.txt', 'utf8');

Using AI Code Generation

1var fs = require('fs');2var diff = require('diff');3var backstop = require('backstopjs');4var file1 = fs.readFileSync('file1.txt', 'utf8');5var file2 = fs.readFileSync('file2.txt', 'utf8');6var diff = diff.createPatch('patch.txt', file1, file2);7console.log(diff);8var patch = fs.readFileSync('patch.txt', 'utf8');9var result = diff.applyPatch(file1, patch);10console.log(result);11var options = {12        {13        }14    paths: {15    },16    engineOptions: {17    },18};19backstop('test', { config: options })20    .then(function (result) {21        console.log(result);22    })23    .catch(function (error) {24        console.log(error);25    });

Using AI Code Generation

1const backstop = require('backstopjs');2backstop('reference', {3}).then(() => {4 backstop('test', {5 });6});

Using AI Code Generation

1var fs = require('fs');2var diff = require('diff');3var oldFile = fs.readFileSync('oldFile.txt', 'utf8');4var newFile = fs.readFileSync('newFile.txt', 'utf8');5var patch = diff.createTwoFilesPatch('oldFile.txt', 'newFile.txt', oldFile, newFile);6fs.writeFileSync('diff.patch', patch);7var fs = require('fs');8var diff = require('diff');9var oldFile = fs.readFileSync('oldFile.txt', 'utf8');10var newFile = fs.readFileSync('newFile.txt', 'utf8');11var patch = diff.createTwoFilesPatch('oldFile.txt', 'newFile.txt', oldFile, newFile);12fs.writeFileSync('diff.patch', patch);13var fs = require('fs');14var diff = require('diff');15var oldFile = fs.readFileSync('oldFile.txt', 'utf8');16var newFile = fs.readFileSync('newFile.txt', 'utf8');17var patch = diff.createTwoFilesPatch('oldFile.txt', 'newFile.txt', oldFile, newFile);18fs.writeFileSync('diff.patch', patch);19var fs = require('fs');20var diff = require('diff');21var oldFile = fs.readFileSync('oldFile.txt', 'utf8');22var newFile = fs.readFileSync('newFile.txt', 'utf8');23var patch = diff.createTwoFilesPatch('oldFile.txt', 'newFile.txt', oldFile, newFile);24fs.writeFileSync('diff.patch', patch);25-var fs = require('fs');26+var fs = require('path');27 var diff = require('diff');28 var oldFile = fs.readFileSync('oldFile.txt', 'utf8');

Using AI Code Generation

1const fs = require('fs');2const jsdiff = require('diff');3const oldFile = fs.readFileSync('./oldFile.json', 'utf8');4const newFile = fs.readFileSync('./newFile.json', 'utf8');5const patch = jsdiff.createTwoFilesPatch('oldFile.json', 'newFile.json', oldFile, newFile, 'old', 'new');6fs.writeFileSync('./patch.diff', patch);7{8    {9    },10    {11    },12    {13    }14    {15    }16  "paths": {17  },18  "engineOptions": {19  },20}21module.exports = async (page, scenario, vp) => {22  await require('./onReady

Using AI Code Generation

1var fs = require('fs');2var backstopjs = require('backstopjs');3var diff = require('deep-diff').diff;4var diff2html = require('diff2html').Diff2Html;5var oldConfig = require('./backstop_data/config.js');6var newConfig = require('./backstop_data/config.js');7var oldConfigJson = JSON.stringify(oldConfig);8var newConfigJson = JSON.stringify(newConfig);9var oldConfigJson = JSON.parse(oldConfigJson);10var newConfigJson = JSON.parse(newConfigJson);11var jsonDiff = diff(oldConfigJson, newConfigJson);12var diffHtml = diff2html.getPrettyHtml(jsonDiff, {13});14var diffOutput = diffHtml;15fs.writeFile('./diff.html', diffOutput, function(err) {16    if (err) {17        return console.log(err);18    }19    console.log("The file was saved!");20});21backstopjs('reference').then(function() {22    console.log('Reference created');23    backstopjs('test').then(function() {24        console.log('Test completed');25    });26});27var fs = require('fs');28var backstopjs = require('backstopjs');29var diff = require('deep-diff').diff;30var diff2html = require('diff2html').Diff2Html;31var oldConfig = require('./backstop_data/config.js');32var newConfig = require('./backstop_data/config.js');33var oldConfigJson = JSON.stringify(oldConfig);34var newConfigJson = JSON.stringify(newConfig);35var oldConfigJson = JSON.parse(oldConfigJson);36var newConfigJson = JSON.parse(newConfigJson);37var jsonDiff = diff(oldConfigJson, newConfigJson);38var diffHtml = diff2html.getPrettyHtml(jsonDiff, {39});40var diffOutput = diffHtml;41fs.writeFile('./diff.html', diffOutput, function(err) {42    if (err) {43        return console.log(err);44    }45    console.log("The file was saved!");46});47backstopjs('reference').then(function() {

Using AI Code Generation

1var structuredPatch = require('diff').structuredPatch;2var fs = require('fs');3var patch = structuredPatch('oldFile.txt', 'newFile.txt', 'old file contents', 'new file contents');4fs.writeFileSync('patch.txt', patch);5var createPatch = require('diff').createPatch;6var fs = require('fs');7var patch = createPatch('newFile.txt', 'old file contents', 'new file contents');8fs.writeFileSync('patch.txt', patch);9var applyPatch = require('diff').applyPatch;10var fs = require('fs');11var patch = fs.readFileSync('patch.txt', 'utf8');12var result = applyPatch(patch, 'old file contents');13if (result) {14    console.log('patch applied successfully');15    console.log(result);16} else {17    console.log('patch not applied');18}19var applyPatches = require('diff').applyPatches;20var fs = require('fs');21var patch = fs.readFileSync('patch.txt', 'utf8');22var result = applyPatches(patch, 'old file contents');23if (result) {24    console.log('patch applied successfully');25    console.log(result);26} else {27    console.log('patch not applied');28}29var createTwoFilesPatch = require('diff').createTwoFilesPatch;30var fs = require('fs');

Using AI Code Generation

1var backstopjs = require('backstopjs');2var fs = require('fs');3var path = require('path');4var config = require('./config.json');5var scenario = require('./scenario.json');6var scenarioConfig = {7    {8    },9    {10    },11    {12    }13    {14    }15};16var scenarioConfig2 = {17    {18    },19    {20    },21    {22    }23    {24    }25};26var scenarioConfig3 = {27    {28    },29    {30    },31    {

Using AI Code Generation

1var fs = require('fs');2var diff = require('diff');3var file1 = fs.readFileSync('file1.html', 'utf-8');4var file2 = fs.readFileSync('file2.html', 'utf-8');5var patch = diff.createTwoFilesPatch('file1.html', 'file2.html', file1, file2);6fs.writeFileSync('patchfile', patch, 'utf-8');

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