Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use branchCoverageByLine method in istanbul

Best JavaScript code snippet using istanbul

clover.js

Source:clover.js

...45}46function attr(n, v) {47    return ' ' + n + '=' + quote(v) + ' ';48}49function branchCoverageByLine(fileCoverage) {50    var branchMap = fileCoverage.branchMap,51        branches = fileCoverage.b,52        ret = {};53    Object.keys(branchMap).forEach(function (k) {54        var line = branchMap[k].line,55            branchData = branches[k];56        ret[line] = ret[line] || [];57        ret[line].push.apply(ret[line], branchData);58    });59    Object.keys(ret).forEach(function (k) {60        var dataArray = ret[k],61            covered = dataArray.filter(function (item) { return item > 0; }),62            coverage = covered.length / dataArray.length * 100;63        ret[k] = { covered: covered.length, total: dataArray.length, coverage: coverage };64    });65    return ret;66}67function addClassStats(node, fileCoverage, writer) {68    fileCoverage = utils.incrementIgnoredTotals(fileCoverage);69    var metrics = node.metrics,70        branchByLine = branchCoverageByLine(fileCoverage),71        fnMap,72        lines;73    writer.println('\t\t\t<file' +74        attr('name', asClassName(node)) +75        attr('path', node.fullPath()) +76        '>');77    writer.println('\t\t\t\t<metrics' +78        attr('statements', metrics.lines.total) +79        attr('coveredstatements', metrics.lines.covered) +80        attr('conditionals', metrics.branches.total) +81        attr('coveredconditionals', metrics.branches.covered) +82        attr('methods', metrics.functions.total) +83        attr('coveredmethods', metrics.functions.covered) +84        '/>');...

cobertura.js

Source:cobertura.js

...45}46function attr(n, v) {47    return ' ' + n + '=' + quote(v) + ' ';48}49function branchCoverageByLine(fileCoverage) {50    var branchMap = fileCoverage.branchMap,51        branches = fileCoverage.b,52        ret = {};53    Object.keys(branchMap).forEach(function (k) {54        var line = branchMap[k].line,55            branchData = branches[k];56        ret[line] = ret[line] || [];57        ret[line].push.apply(ret[line], branchData);58    });59    Object.keys(ret).forEach(function (k) {60        var dataArray = ret[k],61            covered = dataArray.filter(function (item) { return item > 0; }),62            coverage = covered.length / dataArray.length * 100;63        ret[k] = { covered: covered.length, total: dataArray.length, coverage: coverage };64    });65    return ret;66}67function addClassStats(node, fileCoverage, writer) {68    var metrics = node.metrics,69        branchByLine = branchCoverageByLine(fileCoverage),70        fnMap,71        lines;72    writer.println('\t\t<class' +73        attr('name', asClassName(node)) +74        attr('filename', node.fullPath()) +75        attr('line-rate', metrics.lines.pct / 100.0) +76        attr('branch-rate', metrics.branches.pct / 100.0) +77        '>');78    writer.println('\t\t<methods>');79    fnMap = fileCoverage.fnMap;80    Object.keys(fnMap).forEach(function (k) {81        var name = fnMap[k].name,82            hits = fileCoverage.f[k];83        writer.println(...

Using AI Code Generation

1var istanbul = require('istanbul-lib-coverage');2var map = istanbul.createCoverageMap();3map.addFileCoverage({4    statementMap: { '0': { start: { line: 1, column: 0 }, end: { line: 1, column: 3 } },5        '1': { start: { line: 2, column: 0 }, end: { line: 2, column: 3 } },6        '2': { start: { line: 3, column: 0 }, end: { line: 3, column: 3 } },7        '3': { start: { line: 4, column: 0 }, end: { line: 4, column: 3 } },8        '4': { start: { line: 5, column: 0 }, end: { line: 5, column: 3 } },9        '5': { start: { line: 6, column: 0 }, end: { line: 6, column: 3 } },10        '6': { start: { line: 7, column: 0 }, end: { line: 7, column: 3 } },11        '7': { start: { line: 8, column: 0 }, end: { line: 8, column: 3 } },12        '8': { start: { line: 9, column: 0 }, end: { line: 9, column: 3 } },13        '9': { start: { line: 10, column: 0 }, end: { line: 10, column: 3 } },14        '10': { start: { line: 11, column: 0 }, end: { line: 11, column: 3 } },15        '11': { start: { line: 12, column: 0 }, end: { line: 12, column: 3 } },16        '12': { start: { line: 13, column: 0 }, end: { line: 13, column: 3 } },17        '13': { start: { line: 14, column: 0 }, end: { line: 14, column: 3 } },18        '14': { start: {

Using AI Code Generation

1var instrumenter = require('istanbul-lib-instrument');2var code = 'function foo() { if (true) { return 1; } else { return 2; } }';3var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');4console.log(instrumentedCode);5function foo() {6    if (true) {7        return 1;8    } else {9        return 2;10    }11}12function foo() {13    if (true) {14        return 1;15    } else {16        return 2;17    }18}19foo.__coverage__ = {20    's': {21    },22    'b': {23    },24    'f': {},25    'fnMap': {},26    'statementMap': {27        '0': {28            'start': {29            },30            'end': {31            }32        }33    },34    'branchMap': {35        '0': {36                {37                    'start': {38                    },39                    'end': {40                    }41                },42                {43                    'start': {44                    },45                    'end': {46                    }47                }48        }49    }50};51var instrumenter = require('istanbul-lib-instrument');52var code = 'function foo() { if (true) { return 1; } else { return 2; } }';53var instrumentedCode = instrumenter.instrumentSync(code, 'test.js', { coverageVariable: '__coverage__' });54console.log(instrumentedCode);55function foo()

Using AI Code Generation

1var istanbul = require('istanbul-lib-instrument');2var instrumenter = istanbul.createInstrumenter();3var code = 'function foo(a) { if (a) { return 1; } else { return 2; } }';4var instrumentedCode = instrumenter.branchCoverageByLine(code);5console.log(instrumentedCode);6function foo(a) {7    var _$jscoverage = this['$jscoverage'] || (this['$jscoverage'] = {});8    _$jscoverage['/test.js'] || (_$jscoverage['/test.js'] = { "path": "/test.js", "s": { "1": 0, "2": 0, "3": 0, "4": 0, "5": 0, "6": 0, "7": 0, "8": 0, "9": 0, "10": 0, "11": 0, "12": 0, "13": 0, "14": 0, "15": 0, "16": 0, "17": 0, "18": 0, "19": 0, "20": 0, "21": 0, "22": 0, "23": 0, "24": 0, "25": 0, "26": 0, "27": 0, "28": 0, "29": 0, "30": 0, "31": 0, "32": 0, "33": 0, "34": 0, "35": 0, "36": 0, "37": 0, "38": 0, "39": 0, "40": 0, "41": 0, "42": 0, "43": 0, "44": 0, "45": 0, "46": 0, "47": 0, "48": 0, "49": 0, "50": 0, "51": 0, "52": 0, "53": 0, "54": 0, "55": 0, "56": 0, "57": 0, "58": 0, "59": 0, "60":

Using AI Code Generation

1var instrumenter = require('istanbul-lib-instrument');2var code = 'function foo(x) { if (x) { return 1; } else { return 2; } }';3var opts = { coverageVariable: '__coverage__' };4var instrumentedCode = instrumenter.instrumentSync(code, opts);5var branchCoverage = instrumenter.branchCoverageByLine(instrumentedCode);6console.log(branchCoverage);7* [istanbul-lib-instrument](#module_istanbul-lib-instrument)8    * [new istanbulLibInstrument([options])](#new_module_istanbul-lib-instrument_new)9    * [.instrumentSync(code, options)](#module_istanbul-lib-instrument.instrumentSync) ⇒ <code>String</code>10    * [.instrument(code, options, callback)](#module_istanbul-lib-instrument.instrument) ⇒ <code>Promise</code>11    * [.lastSourceMap()](#module_istanbul-lib-instrument.lastSourceMap) ⇒ <code>Object</code>12    * [.lastFileCoverage()](#module_istanbul-lib-instrument.lastFileCoverage) ⇒ <code>Object</code>13    * [.lastCoverage()](#module_istanbul-lib-instrument.lastCoverage) ⇒ <code>Object</code>14    * [.branchCoverageByLine(code)](#module_istanbul-lib-instrument.branchCoverageByLine) ⇒ <code>Object</code>15#### new istanbulLibInstrument([options])

Using AI Code Generation

1var instrumenter = require('istanbul-lib-instrument');2var code = 'function foo() {\n' +3    '  if (bar) {\n' +4    '    return 1;\n' +5    '  } else {\n' +6    '    return 2;\n' +7    '  }\n' +8    '}';9var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__'});10console.log(instrumentedCode);11var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true});12console.log(instrumentedCode);13var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true, branchCoverageByLine: true});14console.log(instrumentedCode);15var instrumenter = require('istanbul-lib-instrument');16var code = 'function foo() {\n' +17    '  if (bar) {\n' +18    '    return 1;\n' +19    '  } else {\n' +20    '    return 2;\n' +21    '  }\n' +22    '}';23var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__'});24console.log(instrumentedCode);25var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true});26console.log(instrumentedCode);27var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true, branchCoverageByLine: true});28console.log(instrumentedCode);29var instrumenter = require('istanbul-lib-instrument');30var code = 'function foo() {\n' +31    '  if (bar) {\n' +32    '    return 1;\n' +33    '  } else {\n' +34    '    return 2;\n' +35    '  }\n' +36    '}';37var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__'});38console.log(instrumentedCode);39var instrumentedCode = instrumenter.instrumentSync(code, {coverageVariable: '__coverage__', branchCoverage: true});40console.log(instrument

Using AI Code Generation

1const { Instrumenter } = require('istanbul-lib-instrument');2const instrumenter = new Instrumenter();3const code = 'function foo() { return 1; }';4const instrumented = instrumenter.instrumentSync(code, 'test.js');5console.log(instrumented);6const { Instrumenter } = require('istanbul-lib-instrument');7const instrumenter = new Instrumenter();8const code = 'function foo() { return 1; }';9const instrumented = instrumenter.branchCoverageByLine(code, 'test.js');10console.log(instrumented);11const { Instrumenter } = require('istanbul-lib-instrument');12const instrumenter = new Instrumenter();13const code = 'function foo() { return 1; }';14const instrumented = instrumenter.branchCoverageByLine(code, 'test.js');15console.log(instrumented);16const { Instrumenter } = require('istanbul-lib-instrument');17const instrumenter = new Instrumenter();18const code = 'function foo() { return 1; }';

Using AI Code Generation

1const istanbulLibInstrument = require('istanbul-lib-instrument');2function foo(x) {3    if (x > 10) {4        return x;5    }6    return 10;7}8`;9const instrumenter = istanbulLibInstrument.createInstrumenter();10const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');11console.log(instrumentedCode);12function foo(x) {13    if (x > 10) {14        return x;15    }16    return 10;17}18`;19const instrumenter = istanbulLibInstrument.createInstrumenter();20const instrumentedCode = instrumenter.instrumentSync(code, 'test.js');21console.log(instrumentedCode);22const branchCoverageByLine = istanbulLibInstrument.branchCoverageByLine(instrumentedCode);23console.log(branchCoverageByLine);24const istanbulLibReport = require('istanbul-lib-report');25const context = istanbulLibReport.createContext({26    watermarks: { statements: [50, 80], functions: [50, 80], branches: [50, 80], lines: [50, 80] }27});28const report = istanbulLibReport.createReport(['text', 'html'], {29    watermarks: { statements: [50, 80], functions: [50, 80], branches: [50, 80], lines: [50, 80] }30});31const watermarks = istanbulLibReport.createWatermarks({ statements: [50, 80], functions: [50, 80], branches: [50, 80], lines: [50, 80] });32const report = istanbulLibReport.reports.get('text');

Using AI Code Generation

1const istanbul = require('istanbul-lib-instrument');2const fs = require('fs');3const code = fs.readFileSync('example.js').toString();4const instrumenter = istanbul.createInstrumenter({coverageVariable: '__coverage__'});5const codeWithCoverage = instrumenter.instrumentSync(code, 'example.js');6console.log(codeWithCoverage);7const branchCoverage = instrumenter.branchCoverageByLine();8console.log(branchCoverage);9#### `createInstrumenter(opts)`10#### `instrumentSync(code, filename)`11#### `instrument(code, filename, callback)`12#### `lastSourceMap()`13#### `lastFileCoverage()`14#### `lastStatementMap()`15#### `lastBranchMap()`16#### `lastFunctionMap()`17#### `lastCoverage()`18#### `branchCoverageByLine()`19#### `statementCoverageByLine()`20#### `functionCoverageByLine()`21#### `coverageData()`22#### `resetCoverage()`

Using AI Code Generation

1const { branchCoverageByLine } = require('istanbul-lib-instrument');2const { parse } = require('@babel/parser');3const { default: traverse } = require('@babel/traverse');4const { default: generate } = require('@babel/generator');5const { default: t } = require('@babel/types');6const fs = require('fs');7const path = require('path');8const code = fs.readFileSync(path.join(__dirname, 'test.js'), 'utf8');9const ast = parse(code, {10});11traverse(ast, {12  Program(path) {13    const branchCoverage = branchCoverageByLine(path.node);14    for (const [line, coverage] of Object.entries(branchCoverage)) {15      console.log(line, coverage);16    }17  },18});

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.