How to use parsePatch method in backstopjs

Best JavaScript code snippet using backstopjs

parse.js

Source:parse.js

2import {expect} from 'chai';3describe('patch/parse', function() {4  describe('#parse', function() {5    it('should parse basic patches', function() {6      expect(parsePatch(7`@@ -1,3 +1,4 @@8 line29 line310+line411 line5`))12        .to.eql([{13          hunks: [14            {15              oldStart: 1, oldLines: 3,16              newStart: 1, newLines: 4,17              lines: [18                ' line2',19                ' line3',20                '+line4',21                ' line5'22              ],23              linedelimiters: [24                '\n',25                '\n',26                '\n',27                '\n'28              ]29            }30          ]31        }]);32    });33    it('should parse single line hunks', function() {34      expect(parsePatch(35`@@ -1 +1 @@36-line337+line4`))38        .to.eql([{39          hunks: [40            {41              oldStart: 1, oldLines: 1,42              newStart: 1, newLines: 1,43              lines: [44                '-line3',45                '+line4'46              ],47              linedelimiters: [48                '\n',49                '\n'50              ]51            }52          ]53        }]);54    });55    it('should parse multiple hunks', function() {56      expect(parsePatch(57`@@ -1,3 +1,4 @@58 line259 line360+line461 line562@@ -4,3 +1,4 @@63 line264 line365-line466 line5`))67        .to.eql([{68          hunks: [69            {70              oldStart: 1, oldLines: 3,71              newStart: 1, newLines: 4,72              lines: [73                ' line2',74                ' line3',75                '+line4',76                ' line5'77              ],78              linedelimiters: [79                '\n',80                '\n',81                '\n',82                '\n'83              ]84            },85            {86              oldStart: 4, oldLines: 3,87              newStart: 1, newLines: 4,88              lines: [89                ' line2',90                ' line3',91                '-line4',92                ' line5'93              ],94              linedelimiters: [95                '\n',96                '\n',97                '\n',98                '\n'99              ]100            }101          ]102        }]);103    });104    it('should parse single index patches', function() {105      expect(parsePatch(106`Index: test107===================================================================108--- from\theader1109+++ to\theader2110@@ -1,3 +1,4 @@111 line2112 line3113+line4114 line5`))115        .to.eql([{116          index: 'test',117          oldFileName: 'from',118          oldHeader: 'header1',119          newFileName: 'to',120          newHeader: 'header2',121          hunks: [122            {123              oldStart: 1, oldLines: 3,124              newStart: 1, newLines: 4,125              lines: [126                ' line2',127                ' line3',128                '+line4',129                ' line5'130              ],131              linedelimiters: [132                '\n',133                '\n',134                '\n',135                '\n'136              ]137            }138          ]139        }]);140    });141    it('should parse multiple index files', function() {142      expect(parsePatch(143`Index: test144===================================================================145--- from\theader1146+++ to\theader2147@@ -1,3 +1,4 @@148 line2149 line3150+line4151 line5152Index: test2153===================================================================154--- from\theader1155+++ to\theader2156@@ -1,3 +1,4 @@157 line2158 line3159+line4160 line5`))161        .to.eql([{162          index: 'test',163          oldFileName: 'from',164          oldHeader: 'header1',165          newFileName: 'to',166          newHeader: 'header2',167          hunks: [168            {169              oldStart: 1, oldLines: 3,170              newStart: 1, newLines: 4,171              lines: [172                ' line2',173                ' line3',174                '+line4',175                ' line5'176              ],177              linedelimiters: [178                '\n',179                '\n',180                '\n',181                '\n'182              ]183            }184          ]185        }, {186          index: 'test2',187          oldFileName: 'from',188          oldHeader: 'header1',189          newFileName: 'to',190          newHeader: 'header2',191          hunks: [192            {193              oldStart: 1, oldLines: 3,194              newStart: 1, newLines: 4,195              lines: [196                ' line2',197                ' line3',198                '+line4',199                ' line5'200              ],201              linedelimiters: [202                '\n',203                '\n',204                '\n',205                '\n'206              ]207            }208          ]209        }]);210    });211    it('should parse multiple files without the Index line', function() {212      expect(parsePatch(213`--- from\theader1214+++ to\theader2215@@ -1,3 +1,4 @@216 line2217 line3218+line4219 line5220--- from\theader1221+++ to\theader2222@@ -1,3 +1,4 @@223 line2224 line3225+line4226 line5`))227        .to.eql([{228          oldFileName: 'from',229          oldHeader: 'header1',230          newFileName: 'to',231          newHeader: 'header2',232          hunks: [233            {234              oldStart: 1, oldLines: 3,235              newStart: 1, newLines: 4,236              lines: [237                ' line2',238                ' line3',239                '+line4',240                ' line5'241              ],242              linedelimiters: [243                '\n',244                '\n',245                '\n',246                '\n'247              ]248            }249          ]250        }, {251          oldFileName: 'from',252          oldHeader: 'header1',253          newFileName: 'to',254          newHeader: 'header2',255          hunks: [256            {257              oldStart: 1, oldLines: 3,258              newStart: 1, newLines: 4,259              lines: [260                ' line2',261                ' line3',262                '+line4',263                ' line5'264              ],265              linedelimiters: [266                '\n',267                '\n',268                '\n',269                '\n'270              ]271            }272          ]273        }]);274    });275 it('should parse patches with filenames having quotes and back slashes', function() {276      expect(parsePatch(277`Index: test278===================================================================279--- "from\\\\a\\\\file\\\\with\\\\quotes\\\\and\\\\backslash"\theader1280+++ "to\\\\a\\\\file\\\\with\\\\quotes\\\\and\\\\backslash"\theader2281@@ -1,3 +1,4 @@282 line2283 line3284+line4285 line5`))286        .to.eql([{287          index: 'test',288          oldFileName: 'from\\a\\file\\with\\quotes\\and\\backslash',289          oldHeader: 'header1',290          newFileName: 'to\\a\\file\\with\\quotes\\and\\backslash',291          newHeader: 'header2',292          hunks: [293            {294              oldStart: 1, oldLines: 3,295              newStart: 1, newLines: 4,296              lines: [297                ' line2',298                ' line3',299                '+line4',300                ' line5'301              ],302              linedelimiters: [303                '\n',304                '\n',305                '\n',306                '\n'307              ]308            }309          ]310        }]);311    });312    it('should note added EOFNL', function() {313      expect(parsePatch(314`@@ -1,3 +1,4 @@315-line5316\\ No newline at end of file`))317        .to.eql([{318          hunks: [319            {320              oldStart: 1, oldLines: 3,321              newStart: 1, newLines: 4,322              lines: [323                '-line5',324                '\\ No newline at end of file'325              ],326              linedelimiters: [327                '\n',328                '\n'329              ]330            }331          ]332        }]);333    });334    it('should note removed EOFNL', function() {335      expect(parsePatch(336`@@ -1,3 +1,4 @@337+line5338\\ No newline at end of file`))339        .to.eql([{340          hunks: [341            {342              oldStart: 1, oldLines: 3,343              newStart: 1, newLines: 4,344              lines: [345                '+line5',346                '\\ No newline at end of file'347              ],348              linedelimiters: [349                '\n',350                '\n'351              ]352            }353          ]354        }]);355    });356    it('should ignore context no EOFNL', function() {357      expect(parsePatch(358`@@ -1,3 +1,4 @@359+line4360 line5361\\ No newline at end of file`))362        .to.eql([{363          hunks: [364            {365              oldStart: 1, oldLines: 3,366              newStart: 1, newLines: 4,367              lines: [368                '+line4',369                ' line5',370                '\\ No newline at end of file'371              ],372              linedelimiters: [373                '\n',374                '\n',375                '\n'376              ]377            }378          ]379        }]);380    });381    it('should perform sanity checks on line numbers', function() {382      parsePatch('@@ -1 +1 @@', {strict: true});383      expect(function() {384        parsePatch('@@ -1 +1,4 @@', {strict: true});385      }).to['throw']('Added line count did not match for hunk at line 1');386      expect(function() {387        parsePatch('@@ -1,4 +1 @@', {strict: true});388      }).to['throw']('Removed line count did not match for hunk at line 1');389    });390    it('should not throw on invalid input', function() {391      expect(parsePatch('blit\nblat\nIndex: foo\nfoo'))392          .to.eql([{393            hunks: [],394            index: 'foo'395          }]);396    });397    it('should throw on invalid input in strict mode', function() {398      expect(function() {399        parsePatch('Index: foo\n+++ bar\nblah', {strict: true});400      }).to['throw'](/Unknown line 3 "blah"/);401    });402    it('should handle OOM case', function() {403      parsePatch('Index: \n===================================================================\n--- \n+++ \n@@ -1,1 +1,2 @@\n-1\n\\ No newline at end of file\n+1\n+2\n');404    });405  });...

Using AI Code Generation

1var fs = require('fs');2var backstopjs = require('backstopjs');3var parsePatch = require('backstopjs/core/util/parsePatch');4var path = require('path');5var config = require('./backstop.json');6var scenarios = config.scenarios;7var patchFilePath = path.resolve(__dirname, 'patch.txt');8var patch = fs.readFileSync(patchFilePath, 'utf8');9var patchData = parsePatch(patch);10scenarios.forEach(function (scenario) {11  var scenarioRef = scenario.referenceUrl;12  var scenarioUrl = scenario.url;13  var isScenarioChanged = false;14  patchData.forEach(function (patch) {15    var isRef = patch.indexOf(scenarioRef);16    var isUrl = patch.indexOf(scenarioUrl);17    if (isRef > -1 || isUrl > -1) {18      isScenarioChanged = true;19    }20  });21  if (isScenarioChanged) {22    scenario.label = scenario.label + ' - changed';23  }24});25backstopjs('test', { config: config });

Using AI Code Generation

1var backstopjs = require('backstopjs');2var fs = require('fs');3var path = require('path');4var backstopConfig = require('./backstop.json');5var backstopPath = path.join(__dirname, 'node_modules', 'backstopjs');6var backstopConfigPath = path.join(__dirname, 'backstop.json');7var backstopDataPath = path.join(__dirname, 'backstop_data');8var backstopReferencePath = path.join(__dirname, 'backstop_data', 'bitmaps_reference');9var backstopTestPath = path.join(__dirname, 'backstop_data', 'bitmaps_test');10var backstopDiffPath = path.join(__dirname, 'backstop_data', 'bitmaps_diff');11var config = {12    {13    },14    {15    },16    {17    },18    {19    },20    {21    }22    {23    }24  "paths": {

Using AI Code Generation

1var backstopjs = require('backstopjs');2var parsePatch = backstopjs.parsePatch;3var args = process.argv.slice(2);4var patch = args[0];5var parsedPatch = parsePatch(patch);6console.log(parsedPatch);7{8    {9        {10            {11            },12            {13            }14        }15    }16}17var backstopjs = require('backstopjs');18var parsePatch = backstopjs.parsePatch;19module.exports = function (casper, scenario, vp) {20  var fs = require('fs');21  var patch = fs.read(scenario.diffFile);22  var parsedPatch = parsePatch(patch);23  var diffCount = 0;24  var files = parsedPatch.files;25  for (var i = 0; i < files.length; i++) {26    var chunks = files[i].chunks;27    for (var j = 0; j < chunks.length; j++) {28      var changes = chunks[j].changes;29      for (var k = 0; k < changes.length; k++) {

Using AI Code Generation

1const backstop = require('backstopjs');2const fs = require('fs');3const path = require('path');4const { parsePatch } = require('git-raw-commits');5const git = require('simple-git/promise')();6const { promisify } = require('util');7const { exec } = require('child_process');8const execAsync = promisify(exec);9const config = {10    {11    },12    {13    },14    {15    },16    {17    },18    {19    }20  paths: {21  },22  engineOptions: {23  },24};25const getBranchName = async () => {26  const { stdout } = await execAsync('git rev-parse --abbrev-ref HEAD');27  return stdout.trim();28};29const getCommits = async () => {30  const branchName = await getBranchName();31  const commits = await git.raw([32    `${branchName}..HEAD`,33  ]);34  return commits.split('\n');35};36const getFilesFromCommit = async commit => {37  const files = await git.raw(['diff-tree', '--no-commit-id', '--name-only', '-r', commit]);

Using AI Code Generation

1var parsePatch = require('backstopjs/parsePatch');2var patch = parsePatch('test.patch');3console.log(patch);4var parsePatch = require('backstopjs/parsePatch');5var patch = parsePatch('test.patch');6console.log(patch);7var parsePatch = require('backstopjs/parsePatch');8var patch = parsePatch('test.patch');9console.log(patch);10var parsePatch = require('backstopjs/parsePatch');11var patch = parsePatch('test.patch');12console.log(patch);13var parsePatch = require('backstopjs/parsePatch');14var patch = parsePatch('test.patch');15console.log(patch);16var parsePatch = require('backstopjs/parsePatch');17var patch = parsePatch('test.patch');18console.log(patch);19var parsePatch = require('backstopjs/parsePatch');20var patch = parsePatch('test.patch');21console.log(patch);22var parsePatch = require('backstopjs/parsePatch');23var patch = parsePatch('test.patch');24console.log(patch);25var parsePatch = require('backstopjs/parsePatch');26var patch = parsePatch('test.patch');27console.log(patch);28var parsePatch = require('backstopjs/parsePatch');29var patch = parsePatch('test.patch');30console.log(patch);31var parsePatch = require('backstopjs/parsePatch');32var patch = parsePatch('test.patch');33console.log(patch);34var parsePatch = require('backstopjs/parsePatch');

Using AI Code Generation

1const parsePatch = require('parse-diff');2const fs = require('fs');3var file = fs.readFileSync('patch.txt', 'utf8');4var parsedPatch = parsePatch(file);5var testCases = [];6for (var i = 0; i < parsedPatch.length; i++) {7    if (parsedPatch[i].to == 'test.js') {8        for (var j = 0; j < parsedPatch[i].chunks.length; j++) {9            for (var k = 0; k < parsedPatch[i].chunks[j].changes.length; k++) {10                if (parsedPatch[i].chunks[j].changes[k].type == 'add') {11                    var line = parsedPatch[i].chunks[j].changes[k].content;12                    var regex = /it\('(.*)',/g;13                    var testCase = regex.exec(line);14                    if (testCase) {15                        testCases.push(testCase[1]);16                    }17                }18            }19        }20    }21}22console.log(testCases);23fs.writeFileSync('testCases.json', JSON.stringify(testCases));24{25        {26        },27        {28        },29        {30        },31        {32        },33        {34        }35        {

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