KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta 
How to use mergeSummaryObjects method in istanbul
Best JavaScript code snippet using istanbul
test-summarizer.js
Source:test-summarizer.js 
...43 test.done();44 },45 "should have the correct tree with root hoisted one level above code": function (test) {46 var node = tree.root,47 utilSummary = utils.mergeSummaryObjects(s3),48 libSummary = utils.mergeSummaryObjects(s1, s2),49 fullSummary = utils.mergeSummaryObjects(utilSummary, libSummary);50 test.equal(SEP + 'tmp' + SEP, node.fullPath());51 test.equal('', node.displayShortName());52 test.equal(2, node.children.length);53 test.deepEqual(fullSummary, node.metrics);54 test.ok(node === tree.getNode(''));55 node = tree.root.children[0];56 test.equal(SEP + ['tmp', 'lib'].join(SEP) + SEP, node.fullPath());57 test.equal('lib' + SEP, node.displayShortName());58 test.equal(2, node.children.length);59 test.deepEqual(libSummary, node.metrics);60 test.deepEqual(s2, node.children[0].metrics);61 test.deepEqual(s1, node.children[1].metrics);62 test.ok(node === tree.getNode('lib' + SEP));63 node = tree.root.children[1];64 test.equal(SEP + ['tmp', 'lib', 'util'].join(SEP) + SEP, node.fullPath());65 test.equal(['lib', 'util'].join(SEP) + SEP, node.displayShortName());66 test.equal(1, node.children.length);67 test.deepEqual(utilSummary, node.metrics);68 test.deepEqual(s3, node.children[0].metrics);69 test.ok(node === tree.getNode(path.join('lib', 'util') + SEP));70 test.ok(tree.getNode(path.join('lib', 'foo.js')));71 test.ok(tree.getNode(path.join('lib', 'bar.js')));72 test.ok(tree.getNode(path.join('lib', 'util', 'baz.js')));73 test.done();74 }75 },76 "with the same few files organized differently": {77 setUp: function (cb) {78 summarizer.addFileCoverageSummary(SEP + path.join('tmp', 'lib', 'main', 'foo.js'), s1);79 summarizer.addFileCoverageSummary(SEP + path.join('tmp', 'lib', 'main', 'bar.js'), s2);80 summarizer.addFileCoverageSummary(SEP + path.join('tmp', 'lib', 'util', 'baz.js'), s3);81 tree = summarizer.getTreeSummary();82 cb();83 },84 "should have the correct tree with no root hoisting": function (test) {85 var node = tree.root,86 utilSummary = utils.mergeSummaryObjects(s3),87 libSummary = utils.mergeSummaryObjects(s1, s2),88 fullSummary = utils.mergeSummaryObjects(utilSummary, libSummary);89 test.equal(SEP + ['tmp', 'lib'].join(SEP) + SEP, node.fullPath());90 test.equal('', node.displayShortName());91 test.equal(2, node.children.length);92 test.deepEqual(fullSummary, node.metrics);93 test.ok(node === tree.getNode(''));94 node = tree.root.children[0];95 test.equal(SEP + ['tmp', 'lib', 'main'].join(SEP) + SEP, node.fullPath());96 test.equal('main' + SEP, node.displayShortName());97 test.equal(2, node.children.length);98 test.deepEqual(libSummary, node.metrics);99 test.deepEqual(s2, node.children[0].metrics);100 test.deepEqual(s1, node.children[1].metrics);101 test.ok(node === tree.getNode('main' + SEP));102 node = tree.root.children[1];103 test.equal(SEP + ['tmp', 'lib', 'util'].join(SEP) + SEP, node.fullPath());104 test.equal('util' + SEP, node.displayShortName());105 test.equal(1, node.children.length);106 test.deepEqual(utilSummary, node.metrics);107 test.deepEqual(s3, node.children[0].metrics);108 test.ok(node === tree.getNode('util' + SEP));109 test.ok(tree.getNode(path.join('main', 'foo.js')));110 test.ok(tree.getNode(path.join('main', 'bar.js')));111 test.ok(tree.getNode(path.join('util', 'baz.js')));112 test.done();113 }114 },115 "with no room for hoisting": {116 setUp: function (cb) {117 summarizer.addFileCoverageSummary(SEP + 'foo.js', s1);118 summarizer.addFileCoverageSummary(SEP + 'bar.js', s2);119 summarizer.addFileCoverageSummary(SEP + path.join('util', 'baz.js'), s3);120 tree = summarizer.getTreeSummary();121 //console.log(JSON.stringify(tree, undefined, 2));122 cb();123 },124 "should build a correct tree but with a mangled name for the main dir": function (test) {125 var node = tree.root,126 utilSummary = utils.mergeSummaryObjects(s3),127 libSummary = utils.mergeSummaryObjects(s1, s2),128 fullSummary = utils.mergeSummaryObjects(utilSummary, libSummary);129 test.equal(SEP, node.fullPath());130 test.equal('', node.displayShortName());131 test.equal(2, node.children.length);132 test.deepEqual(fullSummary, node.metrics);133 test.ok(node === tree.getNode(''));134 node = tree.root.children[0];135 test.equal(SEP + '__root__' + SEP, node.fullPath());136 test.equal('__root__' + SEP, node.displayShortName());137 test.equal(2, node.children.length);138 test.deepEqual(libSummary, node.metrics);139 test.deepEqual(s2, node.children[0].metrics);140 test.deepEqual(s1, node.children[1].metrics);141 test.ok(node === tree.getNode('__root__' + SEP));142 node = tree.root.children[1];...
Using AI Code Generation
1const istanbulApi = require('istanbul-api');2const istanbulReports = require('istanbul-reports');3const map = new Map();4map.set('json', istanbulReports.create('json'));5map.set('lcovonly', istanbulReports.create('lcovonly'));6map.set('text', istanbulReports.create('text'));7map.set('text-summary', istanbulReports.create('text-summary'));8map.set('html', istanbulReports.create('html'));9const reportConfig = {10 watermarks: {11 },12 reportConfig: {13 html: {14 },15 },16};17const summary = istanbulApi.libReport.summarizers.pkg(map, reportConfig);18const mergeSummaryObjects = istanbulApi.libReport.mergeSummaryObjects;19const coverageMap = istanbulApi.libCoverage.createCoverageMap(global.__coverage__);20const coverageSummary = summary(coverageMap);21const mergedSummary = mergeSummaryObjects(coverageSummary, coverageSummary);22console.log(mergedSummary);23console.log(coverageMap);24console.log(coverageMap.data);25console.log(Object.keys(coverageMap.data));26console.log(Object.values(coverageMap.data));27console.log(Object.keys(Object.values(coverageMap.data)[0]));28console.log(Object.values(Object.values(coverageMap.data)[0]));29console.log(Object.keys(Object.values(Object.values(coverageMap.data)[0])[0]));30console.log(Object.values(Object.values(Object.values(coverageMap.data)[0])[0]));31console.log(Object.keys(Object.values(Object.values(Object.values(coverageMap.data)[0])[0])[0]));32console.log(Object.values(Object.values(Object.values(Object.values(coverageMap.data)[0])[0
Using AI Code Generation
1const istanbul = require('istanbul-lib-coverage');2const map = istanbul.createCoverageMap();3const fileCoverage = istanbul.createFileCoverage('test.js');4const fileCoverage1 = istanbul.createFileCoverage('test1.js');5fileCoverage1.s = {1:1, 2:1};6fileCoverage.s = {1:1, 2:1};7map.addFileCoverage(fileCoverage);8map.addFileCoverage(fileCoverage1);9const summary = istanbul.createCoverageSummary();10summary.merge(map);11console.log(summary);12const istanbul = require('istanbul-lib-coverage');13const map = istanbul.createCoverageMap();14const fileCoverage = istanbul.createFileCoverage('test.js');15const fileCoverage1 = istanbul.createFileCoverage('test1.js');16fileCoverage1.s = {1:1, 2:1};17fileCoverage.s = {1:1, 2:1};18map.addFileCoverage(fileCoverage);19map.addFileCoverage(fileCoverage1);20const summary = istanbul.createCoverageSummary();21summary.merge(map);22const summary1 = istanbul.createCoverageSummary();23summary1.merge(summary);24const summary2 = istanbul.createCoverageSummary();25summary2.merge(summary1);26console.log(summary2);
Using AI Code Generation
1var istanbul = require('istanbul-api');2var map = istanbul.libReport.summarizers.pkg;3var merge = istanbul.libReport.summarizers.mergeSummaryObjects;4var summary1 = map(files1);5var summary2 = map(files2);6var summary = merge(summary1, summary2);7var istanbul = require('istanbul-api');8var report = istanbul.libReport.create('text');9report.writeReport(coverageMap, { dir: './coverage' });10var istanbulReports = require('istanbul-reports');11var report = istanbulReports.create('text');12report.writeReport(coverageMap, { dir: './coverage' });13var istanbulLibReport = require('istanbul-lib-report');14var report = istanbulLibReport.create('text');15report.writeReport(coverageMap, { dir: './coverage' });16var istanbulLibReport = require('istanbul-lib-report');17var report = istanbulLibReport.create('text');18report.writeReport(coverageMap, { dir: './coverage' });19var istanbulReports = require('istanbul-reports');20var report = istanbulReports.create('text');21report.write(coverageMap);22var istanbulLibReport = require('istanbul-lib-report');23var report = istanbulLibReport.create('text');24var istanbulReports = require('istanbul-reports');25var report = istanbulReports.create('text');26var istanbul = require('istanbul-api');27var report = istanbul.libReport.create('text');28var istanbulLibReport = require('istanbul-lib-report');29var report = istanbulLibReport.create('text');30var istanbulReports = require('istanbul-reports');
Using AI Code Generation
1const libReport = require('istanbul-lib-report');2const mergeSummaryObjects = libReport.mergeSummaryObjects;3const summary = mergeSummaryObjects([summary1, summary2, summary3]);4const libReport = require('istanbul-lib-report');5const create = libReport.create;6const tree = create('tree', {});7tree.visit(summary);8const libReport = require('istanbul-lib-report');9const create = libReport.create;10const reports = create('json', {});11reports.visit(summary);12const libReport = require('istanbul-lib-report');13const create = libReport.create;14const reports = create('html', {});15reports.visit(summary);16const libReport = require('istanbul-lib-report');17const create = libReport.create;18const reports = create('text', {});19reports.visit(summary);20const libReport = require('istanbul-lib-report');21const create = libReport.create;22const reports = create('text-summary', {});23reports.visit(summary);24const libReport = require('istanbul-lib-report');25const create = libReport.create;26const reports = create('lcov', {});27reports.visit(summary);28const libReport = require('istanbul-lib-report');29const create = libReport.create;30const reports = create('clover', {});31reports.visit(summary);32const libReport = require('istanbul-lib-report');33const create = libReport.create;34const reports = create('cobertura', {});35reports.visit(summary);36const libReport = require('istanbul-lib-report');37const create = libReport.create;38const reports = create('teamcity', {});39reports.visit(summary);
Using AI Code Generation
1const istanbulLibReport = require('istanbul-lib-report');2const istanbulReports = require('istanbul-reports');3const fs = require('fs');4const path = require('path');5const summary = istanbulLibReport.summarizers.pkg;6const context = istanbulLibReport.createContext({7 watermarks: {8 }9});10const tree = istanbulLibReport.createTree(context);11const reports = istanbulReports.create('html', { dir: './reports' });12const reports2 = istanbulReports.create('json', { dir: './reports' });13const reports3 = istanbulReports.create('text', { dir: './reports' });14const reports4 = istanbulReports.create('text-summary', { dir: './reports' });15const reports5 = istanbulReports.create('lcov', { dir: './reports' });16const reports6 = istanbulReports.create('cobertura', { dir: './reports' });17const reports7 = istanbulReports.create('teamcity', { dir: './reports' });18const reports8 = istanbulReports.create('clover', { dir: './reports' });19const reports9 = istanbulReports.create('html-spa', { dir: './reports' });20const reports10 = istanbulReports.create('text-lcov', { dir: './reports' });21const reports11 = istanbulReports.create('text-lcovonly', { dir: './reports' });22const reports12 = istanbulReports.create('text-summary', { dir: './reports' });23const reports13 = istanbulReports.create('text-summary', { dir: './reports' });24const reports14 = istanbulReports.create('text-summary', { dir: './reports' });25const reports15 = istanbulReports.create('text-summary', { dir: './reports' });26const reports16 = istanbulReports.create('text-summary', { dir: './reports' });27const reports17 = istanbulReports.create('text-summary', { dir: './reports' });28const reports18 = istanbulReports.create('text-summary', { dir: './reports'
Using AI Code Generation
1var istanbul = require('istanbul-api');2var istanbulLibrary = istanbul.createReporter();3var summaryObject1 = istanbulLibrary.readSummaryFile('./coverage/coverage-summary.json');4var summaryObject2 = istanbulLibrary.readSummaryFile('./coverage/coverage-summary.json');5var mergedSummaryObject = istanbulLibrary.mergeSummaryObjects(summaryObject1, summaryObject2);6console.log(mergedSummaryObject);7function mergeObjects(arr) {8 return arr.reduce((acc, obj) => {9 return Object.assign(acc, obj);10 }, {});11}12function mergeObjects(arr) {13 return arr.reduce((acc, obj) => {14 return Object.assign(acc, obj);15 }, {});16}17function mergeObjects(arr) {18 return arr.reduce((acc, obj) => {19 return Object.assign(acc, obj);20 }, {});21}
Using AI Code Generation
1const libReport = require('istanbul-lib-report');2const context = libReport.createContext();3const tree = context.getTree('flat');4const summary = libReport.summarizers.pkg.createSummary();5const newSummary = libReport.summarizers.pkg.createSummary();6tree.visit(libReport.summarizers.pkg.addFile('test.js', 'test.js'), summary);7tree.visit(libReport.summarizers.pkg.addFile('test2.js', 'test2.js'), newSummary);8libReport.summarizers.pkg.mergeSummaryObjects(summary, newSummary);9console.log(JSON.stringify(summary));10{"files":{"test.js":{"path":"test.js","s":{"0":1},"b":{"0":[1,0]},"f":{"0":1},"fnMap":{"0":{"name":"test","decl":{"start":{"line":1,"column":9},"end":{"line":1,"column":13}},"loc":{"start":{"line":1,"column":14},"end":{"line":1,"column":15}},"line":1}},"statementMap":{"0":{"start":{"line":1,"column":0},"end":{"line":1,"column":15}}},"branchMap":{"0":{"line":1,"type":"if","locations":[{"start":{"line":1,"column":0},"end":{"line":1,"column":0}},{"start":{"line":1,"column":0},"end":{"line":1,"column":0}}],"line":1}}},"test2.js":{"path":"test2.js","s":{"0":1},"b":{"0":[1,0]},"f":{"0":1},"fnMap":{"0":{"name":"test","decl":{"start":{"line":1,"column":9},"end":{"line":1,"column":13}},"loc":{"start":{"line":1,"column":14},"end":{"line":1,"column":15}},"line":1}},"statementMap":{"0":{"start":{"line":1,"column":0},"end":{"line":1,"column":15}}},"branchMap":{"0":{"line":1,"type":"if","locations":[{"start":{"line":1,"column":0
Using AI Code Generation
1var istanbul = require('istanbul-lib-coverage');2var summary = istanbul.createCoverageMap();3var summary1 = istanbul.createCoverageMap();4var summary2 = istanbul.createCoverageMap();5var summary3 = istanbul.createCoverageMap();6summary1.addFileCoverageSummary('file1.js', {lines:{total:10,covered:5,skipped:0, pct:50},functions:{total:10,covered:5,skipped:0,pct:50},statements:{total:10,covered:5,skipped:0,pct:50},branches:{total:10,covered:5,skipped:0,pct:50}});7summary2.addFileCoverageSummary('file2.js', {lines:{total:10,covered:5,skipped:0, pct:50},functions:{total:10,covered:5,skipped:0,pct:50},statements:{total:10,covered:5,skipped:0,pct:50},branches:{total:10,covered:5,skipped:0,pct:50}});8summary3.addFileCoverageSummary('file3.js', {lines:{total:10,covered:5,skipped:0, pct:50},functions:{total:10,covered:5,skipped:0,pct:50},statements:{total:10,covered:5,skipped:0,pct:50},branches:{total:10,covered:5,skipped:0,pct:50}});9summary.merge(summary1);10summary.merge(summary2);11summary.merge(summary3);12console.log(summary);13CoverageMap {14 { file1.js: 15 { path: 'file1.js',16 statementMap: {},17 fnMap: {},18 branchMap: {},19 s: {},20 f: {},21 b: {},
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.
LambdaTest Learning Hubs:
- JUnit Tutorial
- TestNG Tutorial
- Webdriver Tutorial
- WebDriverIO Tutorial
- Protractor Tutorial
- Selenium 4 Tutorial
- Jenkins Tutorial
- NUnit Tutorial
- Jest Tutorial
- Playwright Tutorial
- Cypress Tutorial
- PyTest Tutorial
YouTube
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Run istanbul automation tests on LambdaTest cloud grid
Perform automation testing on 3000+ real desktop and mobile devices online.
Try LambdaTest Now !!
Get 100 minutes of automation test minutes FREE!!
Was this article helpful?
