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How to use diffWords method in backstopjs

Best JavaScript code snippet using backstopjs

word.js

Source:word.js

...3import {expect} from 'chai';4describe('WordDiff', function() {5  describe('#diffWords', function() {6    it('should diff whitespace', function() {7      const diffResult = diffWords('New Value', 'New  ValueMoreData');8      expect(convertChangesToXML(diffResult)).to.equal('New  <del>Value</del><ins>ValueMoreData</ins>');9    });10    it('should diff multiple whitespace values', function() {11      const diffResult = diffWords('New Value  ', 'New  ValueMoreData ');12      expect(convertChangesToXML(diffResult)).to.equal('New  <del>Value</del><ins>ValueMoreData</ins> ');13    });14    // Diff on word boundary15    it('should diff on word boundaries', function() {16      let diffResult = diffWords('New :Value:Test', 'New  ValueMoreData ');17      expect(convertChangesToXML(diffResult)).to.equal('New  <del>:Value:Test</del><ins>ValueMoreData </ins>');18      diffResult = diffWords('New Value:Test', 'New  Value:MoreData ');19      expect(convertChangesToXML(diffResult)).to.equal('New  Value:<del>Test</del><ins>MoreData </ins>');20      diffResult = diffWords('New Value-Test', 'New  Value:MoreData ');21      expect(convertChangesToXML(diffResult)).to.equal('New  Value<del>-Test</del><ins>:MoreData </ins>');22      diffResult = diffWords('New Value', 'New  Value:MoreData ');23      expect(convertChangesToXML(diffResult)).to.equal('New  Value<ins>:MoreData </ins>');24    });25    // Diff without changes26    it('should handle identity', function() {27      const diffResult = diffWords('New Value', 'New Value');28      expect(convertChangesToXML(diffResult)).to.equal('New Value');29    });30    it('should handle empty', function() {31      const diffResult = diffWords('', '');32      expect(convertChangesToXML(diffResult)).to.equal('');33    });34    it('should diff has identical content', function() {35      const diffResult = diffWords('New Value', 'New  Value');36      expect(convertChangesToXML(diffResult)).to.equal('New  Value');37    });38    // Empty diffs39    it('should diff empty new content', function() {40      const diffResult = diffWords('New Value', '');41      expect(diffResult.length).to.equal(1);42      expect(convertChangesToXML(diffResult)).to.equal('<del>New Value</del>');43    });44    it('should diff empty old content', function() {45      const diffResult = diffWords('', 'New Value');46      expect(convertChangesToXML(diffResult)).to.equal('<ins>New Value</ins>');47    });48    // With without anchor (the Heckel algorithm error case)49    it('should diff when there is no anchor value', function() {50      const diffResult = diffWords('New Value New Value', 'Value Value New New');51      expect(convertChangesToXML(diffResult)).to.equal('<del>New</del><ins>Value</ins> Value New <del>Value</del><ins>New</ins>');52    });53    it('should token unicode characters safely', function() {54      expect(wordDiff.removeEmpty(wordDiff.tokenize('jurÃdica'))).to.eql(['jurÃdica']);55      expect(wordDiff.removeEmpty(wordDiff.tokenize('wir Ã¼ben'))).to.eql(['wir', ' ', 'Ã¼ben']);56    });57    it('should include count with identity cases', function() {58      expect(diffWords('foo', 'foo')).to.eql([{value: 'foo', count: 1}]);59      expect(diffWords('foo bar', 'foo bar')).to.eql([{value: 'foo bar', count: 3}]);60    });61    it('should include count with empty cases', function() {62      expect(diffWords('foo', '')).to.eql([{value: 'foo', count: 1, added: undefined, removed: true}]);63      expect(diffWords('foo bar', '')).to.eql([{value: 'foo bar', count: 3, added: undefined, removed: true}]);64      expect(diffWords('', 'foo')).to.eql([{value: 'foo', count: 1, added: true, removed: undefined}]);65      expect(diffWords('', 'foo bar')).to.eql([{value: 'foo bar', count: 3, added: true, removed: undefined}]);66    });67    it('should ignore whitespace', function() {68      expect(diffWords('hase igel fuchs', 'hase igel fuchs')).to.eql([{ count: 5, value: 'hase igel fuchs' }]);69      expect(diffWords('hase igel fuchs', 'hase igel fuchs\n')).to.eql([{ count: 5, value: 'hase igel fuchs\n' }]);70      expect(diffWords('hase igel fuchs\n', 'hase igel fuchs')).to.eql([{ count: 5, value: 'hase igel fuchs\n' }]);71      expect(diffWords('hase igel fuchs', 'hase igel\nfuchs')).to.eql([{ count: 5, value: 'hase igel\nfuchs' }]);72      expect(diffWords('hase igel\nfuchs', 'hase igel fuchs')).to.eql([{ count: 5, value: 'hase igel fuchs' }]);73    });74    it('should diff whitespace with flag', function() {75      const diffResult = diffWords('New Value', 'New  ValueMoreData', {ignoreWhitespace: false});76      expect(convertChangesToXML(diffResult)).to.equal('New<del> Value</del><ins>  ValueMoreData</ins>');77    });78    it('should diff with only whitespace', function() {79      let diffResult = diffWords('', ' ');80      expect(convertChangesToXML(diffResult)).to.equal('<ins> </ins>');81      diffResult = diffWords(' ', '');82      expect(convertChangesToXML(diffResult)).to.equal('<del> </del>');83    });84  });85  describe('#diffWords - async', function() {86    it('should diff whitespace', function(done) {87      diffWords('New Value', 'New  ValueMoreData', function(err, diffResult) {88        expect(err).to.be.undefined;89        expect(convertChangesToXML(diffResult)).to.equal('New  <del>Value</del><ins>ValueMoreData</ins>');90        done();91      });92    });93    it('should diff multiple whitespace values', function(done) {94      diffWords('New Value  ', 'New  ValueMoreData ', function(err, diffResult) {95        expect(err).to.be.undefined;96        expect(convertChangesToXML(diffResult)).to.equal('New  <del>Value</del><ins>ValueMoreData</ins> ');97        done();98      });99    });100    // Diff on word boundary101    it('should diff on word boundaries', function(done) {102      diffWords('New :Value:Test', 'New  ValueMoreData ', function(err, diffResult) {103        expect(err).to.be.undefined;104        expect(convertChangesToXML(diffResult)).to.equal('New  <del>:Value:Test</del><ins>ValueMoreData </ins>');105        done();106      });107    });108    // Diff without changes109    it('should handle identity', function(done) {110      diffWords('New Value', 'New Value', function(err, diffResult) {111        expect(err).to.be.undefined;112        expect(convertChangesToXML(diffResult)).to.equal('New Value');113        done();114      });115    });116    it('should handle empty', function(done) {117      diffWords('', '', function(err, diffResult) {118        expect(err).to.be.undefined;119        expect(convertChangesToXML(diffResult)).to.equal('');120        done();121      });122    });123    it('should diff has identical content', function(done) {124      diffWords('New Value', 'New  Value', function(err, diffResult) {125        expect(err).to.be.undefined;126        expect(convertChangesToXML(diffResult)).to.equal('New  Value');127        done();128      });129    });130    // Empty diffs131    it('should diff empty new content', function(done) {132      diffWords('New Value', '', function(err, diffResult) {133        expect(diffResult.length).to.equal(1);134        expect(convertChangesToXML(diffResult)).to.equal('<del>New Value</del>');135        done();136      });137    });138    it('should diff empty old content', function(done) {139      diffWords('', 'New Value', function(err, diffResult) {140        expect(convertChangesToXML(diffResult)).to.equal('<ins>New Value</ins>');141        done();142      });143    });144    // With without anchor (the Heckel algorithm error case)145    it('should diff when there is no anchor value', function(done) {146      diffWords('New Value New Value', 'Value Value New New', function(err, diffResult) {147        expect(convertChangesToXML(diffResult)).to.equal('<del>New</del><ins>Value</ins> Value New <del>Value</del><ins>New</ins>');148        done();149      });150    });151  });152  describe('#diffWordsWithSpace', function() {153    it('should diff whitespace', function() {154      const diffResult = diffWordsWithSpace('New Value', 'New  ValueMoreData');155      expect(convertChangesToXML(diffResult)).to.equal('New<del> Value</del><ins>  ValueMoreData</ins>');156    });157    it('should diff multiple whitespace values', function() {158      const diffResult = diffWordsWithSpace('New Value  ', 'New  ValueMoreData ');159      expect(convertChangesToXML(diffResult)).to.equal('New<ins>  ValueMoreData</ins> <del>Value  </del>');160    });...

diffTest.js

Source:diffTest.js

...5  VERBOSE && console.log.apply(console, arguments);6}7describe('#diffWords', function() {8  it('should diff whitespace', function() {9    var diffResult = diff.diffWords('New Value', 'New  ValueMoreData');10    diff.convertChangesToXML(diffResult).should.equal('New  <ins>ValueMoreData</ins><del>Value</del>');11  });12  it('should diff multiple whitespace values', function() {13    var diffResult = diff.diffWords('New Value  ', 'New  ValueMoreData ');14    diff.convertChangesToXML(diffResult).should.equal('New  <ins>ValueMoreData</ins><del>Value</del> ');15  });16  // Diff on word boundary17  it('should diff on word boundaries', function() {18    var diffResult = diff.diffWords('New :Value:Test', 'New  ValueMoreData ');19    diff.convertChangesToXML(diffResult).should.equal('New  <ins>ValueMoreData </ins><del>:Value:Test</del>');20    diffResult = diff.diffWords('New Value:Test', 'New  Value:MoreData ');21    diff.convertChangesToXML(diffResult).should.equal('New  Value:<ins>MoreData </ins><del>Test</del>');22    diffResult = diff.diffWords('New Value-Test', 'New  Value:MoreData ');23    diff.convertChangesToXML(diffResult).should.equal('New  Value<ins>:MoreData </ins><del>-Test</del>');24    diffResult = diff.diffWords('New Value', 'New  Value:MoreData ');25    diff.convertChangesToXML(diffResult).should.equal('New  Value<ins>:MoreData </ins>');26  });27  // Diff without changes28  exports['Diff without changes'] = function() {29    var diffResult = diff.diffWords('New Value', 'New Value');30    diff.convertChangesToXML(diffResult).should.equal('New Value');31    diffResult = diff.diffWords('New Value', 'New  Value');32    diff.convertChangesToXML(diffResult).should.equal('New  Value');33    diffResult = diff.diffWords('', '');34    diff.convertChangesToXML(diffResult).should.equal('');35  };36  // Empty diffs37  it('should diff empty content', function() {38    var diffResult = diff.diffWords('New Value', '');39    diffResult.length.should.equal(1);40    diff.convertChangesToXML(diffResult).should.equal('<del>New Value</del>');41    diffResult = diff.diffWords('', 'New Value');42    diff.convertChangesToXML(diffResult).should.equal('<ins>New Value</ins>');43  });44  // With without anchor (the Heckel algorithm error case)45  it('should diff when there is no anchor value', function() {46    var diffResult = diff.diffWords('New Value New Value', 'Value Value New New');47    diff.convertChangesToXML(diffResult).should.equal('<ins>Value</ins><del>New</del> Value New <ins>New</ins><del>Value</del>');48  });49});50// CSS Diff51describe('#diffCss', function() {52  it('should diff css', function() {53    var diffResult = diff.diffCss(54      '.test,#value .test{margin-left:50px;margin-right:-40px}',55      '.test2, #value2 .test {\nmargin-top:50px;\nmargin-right:-400px;\n}');56    diff.convertChangesToXML(diffResult).should.equal(57      '<ins>.test2</ins><del>.test</del>,<del>#value</del> <ins>#value2 </ins>.test<ins> </ins>{<ins>\n'58      + 'margin-top</ins><del>margin-left</del>:50px;<ins>\n</ins>'59      + 'margin-right:<ins>-400px;\n</ins><del>-40px</del>}');60  });61});62// Line Diff63describe('#diffLines', function() {64  it('should diff lines', function() {65    var diffResult = diff.diffLines(66      'line\nold value\nline',67      'line\nnew value\nline');68    diff.convertChangesToXML(diffResult).should.equal('line\n<ins>new value\n</ins><del>old value\n</del>line');69  });70  it('should the same lines in diff', function() {71    var diffResult = diff.diffLines(72      'line\nvalue\nline',73      'line\nvalue\nline');74    diff.convertChangesToXML(diffResult).should.equal('line\nvalue\nline');75  });76  it('should handle shorespace', function() {77    var diffResult = diff.diffLines(78      'line\nvalue \nline',79      'line\nvalue\nline');80    diff.convertChangesToXML(diffResult).should.equal('line\n<ins>value\n</ins><del>value \n</del>line');81  });82});83describe('convertToDMP', function() {84  it('should output diff-match-patch format', function() {85    var diffResult = diff.diffWords('New Value  ', 'New  ValueMoreData ');86    diff.convertChangesToDMP(diffResult).should.eql(87        [[0,'New  '],[1,'ValueMoreData'],[-1,'Value'],[0,' ']]);88  });...

Using AI Code Generation

1var diffWords = require('diff').diffWords;2var fs = require('fs');3var oldText = fs.readFileSync('old.txt', 'utf8');4var newText = fs.readFileSync('new.txt', 'utf8');5var diff = diffWords(oldText, newText);6console.log(diff);7var diffWordsWithSpace = require('diff').diffWordsWithSpace;8var fs = require('fs');9var oldText = fs.readFileSync('old.txt', 'utf8');10var newText = fs.readFileSync('new.txt', 'utf8');11var diff = diffWordsWithSpace(oldText, newText);12console.log(diff);13var diffChars = require('diff').diffChars;14var fs = require('fs');15var oldText = fs.readFileSync('old.txt', 'utf8');16var newText = fs.readFileSync('new.txt', 'utf8');17var diff = diffChars(oldText, newText);18console.log(diff);19var diffLines = require('diff').diffLines;20var fs = require('fs');21var oldText = fs.readFileSync('old.txt', 'utf8');22var newText = fs.readFileSync('new.txt', 'utf8');23var diff = diffLines(oldText, newText);24console.log(diff);25var diffTrimmedLines = require('diff').diffTrimmedLines;26var fs = require('fs');27var oldText = fs.readFileSync('old.txt', 'utf8');28var newText = fs.readFileSync('new.txt', 'utf8');29var diff = diffTrimmedLines(oldText, newText);30console.log(diff);31var diffSentences = require('diff').diffSentences;32var fs = require('fs');33var oldText = fs.readFileSync('old.txt', 'utf8');34var newText = fs.readFileSync('new.txt', 'utf8');35var diff = diffSentences(oldText, newText);36console.log(diff);37var diffJson = require('diff').diffJson;38var fs = require('fs');39var oldText = fs.readFileSync('old.json', 'utf8');40var newText = fs.readFileSync('new.json', 'utf8');41var diff = diffJson(oldText

Using AI Code Generation

1var diffWords = require('diff').diffWords;2var diff = diffWords('Hello world', 'Hello there');3diff.forEach(function(part){4    part.removed ? 'red' : 'grey';5  process.stderr.write(part.value[color]);6});7var diffWords = require('diff').diffWords;8var diff = diffWords('Hello world', 'Hello there');9diff.forEach(function(part){10    part.removed ? 'red' : 'grey';11  process.stderr.write(part.value[color]);12});13var diffWords = require('diff').diffWords;

Using AI Code Generation

1var diff = require('diff');2var fs = require('fs');3var file1 = fs.readFileSync('./file1.txt', 'utf8');4var file2 = fs.readFileSync('./file2.txt', 'utf8');5var result = diff.diffWords(file1, file2);6fs.writeFileSync('diff.txt', result);7console.log(result);8[ { value: 'This is file ', count: 1 },9  { value: '1', count: 1, added: true },10  { value: '2', count: 1, removed: true } ]11var diff = require('diff');12var fs = require('fs');13var file1 = fs.readFileSync('./file1.txt', 'utf8');14var file2 = fs.readFileSync('./file2.txt', 'utf8');15var result = diff.diffWordsWithSpace(file1, file2);16fs.writeFileSync('diff.txt', result);17console.log(result);18[ { value: 'This', count: 1 },19  { value: ' ', count: 1 },20  { value: 'is', count: 1 },21  { value: ' ', count: 1 },22  { value: 'file', count: 1 },23  { value: ' ', count: 1 },24  { value: '1', count: 1, added: true },25  { value: '2', count: 1, removed: true } ]

Using AI Code Generation

1var diffWords = require('diff').diffWords;2var str1 = 'This is a test.';3var str2 = 'This is a test.';4var diff = diffWords(str1, str2);5diff.forEach(function(part){6    part.removed ? 'red' : 'grey';7  process.stderr.write(part.value[color]);8});9var diffLines = require('diff').diffLines;10And this is another line.';11var str2 = 'This is a test.';12var diff = diffLines(str1, str2);13diff.forEach(function(part){14    part.removed ? 'red' : 'grey';15  process.stderr.write(part.value[color]);16});17var diffChars = require('diff').diffChars;18var str1 = 'This is a test.';19var str2 = 'This is a test.';20var diff = diffChars(str1, str2);21diff.forEach(function(part){22    part.removed ? 'red' : 'grey';23  process.stderr.write(part.value[color]);24});25var diffJson = require('diff').diffJson;26var str1 = { "a": "b" };27var str2 = { "a": "c" };28var diff = diffJson(str1, str2);29diff.forEach(function(part){30    part.removed ? 'red' : 'grey';31  process.stderr.write(part.value[color]);32});33var diffCss = require('diff').diffCss;34var str1 = '.a { color: red

Using AI Code Generation

1var diffWords = require('diff').diffWords;2var result = diffWords('This is a test', 'This is a test');3console.log(result);4[ { value: 'This is a test', count: 1 } ]5var diffWordsWithSpace = require('diff').diffWordsWithSpace;6var result = diffWordsWithSpace('This is a test', 'This is a test');7console.log(result);8[ { value: 'This is a test', count: 1 } ]9var diffChars = require('diff').diffChars;10var result = diffChars('This is a test', 'This is a test');11console.log(result);12[ { value: 'This is a test', count: 1 } ]13var diffJson = require('diff').diffJson;14var result = diffJson({ a: 'a', b: 'b', c: 'c' }, { a: 'a', b: 'b', c: 'c' });15console.log(result);16[ { value: { a: 'a', b: 'b', c: 'c' }, count: 1 } ]17var createTwoFilesPatch = require('diff').createTwoFilesPatch;18var result = createTwoFilesPatch('a.txt', 'b.txt', 'This is a test', 'This is a test');19console.log(result);20var createPatch = require('diff').createPatch;21var result = createPatch('b.txt', 'This is a test', 'This is a test');22console.log(result);

Using AI Code Generation

1var Backstop = require('backstopjs');2var fs = require('fs');3var path = require('path');4var exec = require('child_process').exec;5var diffWords = require('diff').diffWords;6var diffWordsWithSpace = require('diff').diffWordsWithSpace;7var diffLines = require('diff').diffLines;8var diffTrimmedLines = require('diff').diffTrimmedLines;9var diffSentences = require('diff').diffSentences;10var diffCss = require('diff').diffCss;11var diffJson = require('diff').diffJson;12var diffArrays = require('diff').diffArrays;13var diffArraysIgnoreOrder = require('diff').diffArraysIgnoreOrder;

Using AI Code Generation

1var diff = require('diff');2var str1 = "This is a test string";3var str2 = "This is a test string";4var diffWords = diff.diffWords(str1, str2);5console.log(diffWords);6var diff = require('diff');7var str1 = "This is a test string";8var str2 = "This is a test string";9var diffWordsWithSpace = diff.diffWordsWithSpace(str1, str2);10console.log(diffWordsWithSpace);11var diff = require('diff');12var str1 = "This is a test string";13var str2 = "This is a test string";14var diffLines = diff.diffLines(str1, str2);15console.log(diffLines);16var diff = require('diff');17var str1 = "This is a test string";18var str2 = "This is a test string";19var diffTrimmedLines = diff.diffTrimmedLines(str1, str2);20console.log(diffTrimmedLines);21var diff = require('diff');

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