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How to use verifier.getCoverage method in istanbul

Best JavaScript code snippet using istanbul

test-statement.js

Source:test-statement.js

...45            cb();46        },47        "should have correct key in coverage variable": function (test) {48            verifier.verify(test, [ 1 ], "undef", { lines: { 1: 1, 2: 1 }, branches: { 1: [ 0, 1 ]}, functions: {}, statements: { 1: 1, 2: 1 } });49            var coverage = verifier.getCoverage(),50                key = Object.keys(coverage)[0];51            test.equals("c:\\a\\b\\c\\d\\e.js", key);52            test.done();53        }54    },55    "with junk code": {56        setUp: function (cb) {57            code = [58                'output = args[0] : 1 : 2;'59            ];60            verifier = helper.verifier(null, code, { debug: true, walkDebug: true });61            cb();62        },63        "should have verification errors": function (test) {64            verifier.verifyError(test);65            test.done();66        }67    },68    "with code that is not a string": {69        "should have verification errors": function (test) {70            test.throws(function () {71                var instrumenter = new Instrumenter();72                instrumenter.instrumentSync({}, 'foo.js');73            }, Error, 'Code must be a string');74            test.done();75        }76    },77    "with shebang code": {78        setUp: function (cb) {79            code = [80                '#!/usr/bin/env node',81                'var x = args[0] > 5 ? args[0] : "undef";',82                'output = x;'83            ];84            verifier = helper.verifier(__filename, code);85            cb();86        },87        "should cover line and one branch": function (test) {88            verifier.verify(test, [ 10 ], 10, { lines: { 2: 1, 3: 1 }, branches: { 1: [1, 0 ]}, functions: {}, statements: { 1: 1, 2: 1 } });89            test.done();90        },91        "should cover line and other branch": function (test) {92            verifier.verify(test, [ 1 ], "undef", { lines: { 2: 1, 3: 1 }, branches: { 1: [ 0, 1 ]}, functions: {}, statements: { 1: 1, 2: 1 } });93            test.done();94        }95    },96    "with source code packed in": {97        setUp: function (cb) {98            code = [99                'var x = args[0] > 5 ? args[0] : "undef";',100                'output = x;'101            ];102            verifier = helper.verifier(__filename, code, { embedSource: true, coverageVariable: null });103            cb();104        },105        "coverage should have code packed in": function (test) {106            verifier.verifyNoError(test);107            verifier.verify(test, [ 10 ], 10, { lines: { 1: 1, 2: 1 }, branches: { 1: [1, 0 ]}, functions: {}, statements: { 1: 1, 2: 1 } });108            var cov = verifier.getCoverage(),109                fileCov = cov[Object.keys(cov)[0]];110            test.ok(fileCov.code.length > 1);111            test.ok(fileCov.code[1] === 'output = x;');112            test.done();113        },114        "code packed in does not have \\r characters": function (test) {115            code = [116                'var x = args[0] > 5 ? args[0] : "undef";\r',117                'output = x;\r'118            ];119            verifier = helper.verifier(__filename + '2', code, { embedSource: true, coverageVariable: null });120            verifier.verifyNoError(test);121            verifier.verify(test, [ 10 ], 10, { lines: { 1: 1, 2: 1 }, branches: { 1: [1, 0 ]}, functions: {}, statements: { 1: 1, 2: 1 } });122            var cov = verifier.getCoverage(),123                fileCov = cov[Object.keys(cov)[0]];124            test.ok(fileCov.code.length > 1);125            test.ok(fileCov.code[1] === 'output = x;');126            test.done();127        }128    },129    "with code having a return statement on mainline": {130        setUp: function (cb) {131            code = [132                'return 10;'133            ];134            verifier = helper.verifier(__filename, code);135            cb();136        },...

Using AI Code Generation

1var istanbul = require('istanbul');2var path = require('path');3var fs = require('fs');4var api = require('istanbul-api');5var libCoverage = require('istanbul-lib-coverage');6var libReport = require('istanbul-lib-report');7var reports = require('istanbul-reports');8var verifier = require('istanbul-lib-coverage').createVerifier();9var collector = new istanbul.Collector();10var coverageMap = libCoverage.createCoverageMap({});11var report = reports.create('json');12var reportContext = libReport.createContext({13});14var coverage = JSON.parse(fs.readFileSync('./coverage/coverage-final.json', 'utf8'));15coverageMap.merge(coverage);16report.on('done', function () {17    console.log('Report completed');18});19report.execute(coverageMap, reportContext);20verifier.add(coverageMap);21console.log(verifier.getCoverage());22console.log(verifier.getCoverage('test.js'));23{ total: 0, covered: 0, skipped: 0, pct: 0 }24{ total: 0, covered: 0, skipped: 0, pct: 0 }

Using AI Code Generation

1var istanbul = require('istanbul');2var path = require('path');3var fs = require('fs');4var verifier = new istanbul.Instrumenter.Verifier();5var collector = new istanbul.Collector();6var reporter = new istanbul.Reporter();7var map = istanbul.utils.summarizeCoverage(collector.getFinalCoverage());8var coverage = JSON.parse(fs.readFileSync(path.join(__dirname, 'coverage/coverage-final.json')));9collector.add(coverage);10reporter.add('text');11reporter.write(collector, true, function() {12    console.log('done');13});

Using AI Code Generation

1const istanbul = require('istanbul-api');2const path = require('path');3const collector = istanbul.createCoverageCollector();4const store = istanbul.createCoverageMap();5const reporter = istanbul.createReporter();6const verifier = istanbul.createVerifier();7const coverage = require('./coverage.json');8const coverage2 = require('./coverage2.json');9const coverage3 = require('./coverage3.json');10store.merge(coverage);11store.merge(coverage2);12store.merge(coverage3);13const summary = verifier.summarizeCoverage(store);14const { statements, functions, branches, lines } = summary;15console.log(statements);16console.log(functions);17console.log(branches);18console.log(lines);19{20  "path/to/file.js": {21    "s": {22    },23    "b": {},24    "f": {},25    "fnMap": {},26    "statementMap": {27      "1": {28        "start": {29        },30        "end": {31        }32      },33      "2": {34        "start": {35        },36        "end": {37        }38      }39    },40    "branchMap": {}41  }42}43{44  "path/to/file2.js": {45    "s": {46    },47    "b": {},48    "f": {},49    "fnMap": {},50    "statementMap": {51      "1": {52        "start": {53        },54        "end": {55        }56      },57      "2": {58        "start": {59        },60        "end": {61        }62      }63    },64    "branchMap": {}

Using AI Code Generation

1var verifier = require('istanbul').Verifier;2var report = require('istanbul').Report;3var istanbul = require('istanbul');4var fs = require('fs');5var path = require('path');6var collector = new istanbul.Collector();7var reportType = 'html';8var reportDir = path.resolve(__dirname, 'coverage');9var reports = report.create(reportType, { dir: reportDir });10var coverage = JSON.parse(fs.readFileSync('coverage/coverage.json', 'utf8'));11collector.add(coverage);12verifier.addMatcher('statement', function (node) {13  return node.isStatement();14});15verifier.addMatcher('branch', function (node) {16  return node.isBranch();17});18verifier.addMatcher('function', function (node) {19  return node.isFunction();20});21verifier.addMatcher('line', function (node) {22  return node.isLine();23});24verifier.verify(collector, 100, function (error, notPassed) {25  if (error) {26    console.log('Error: ' + error);27  } else {28    console.log('Coverage for statements is 100%');29  }30});31reports.writeReport(collector, true);

Using AI Code Generation

1var verifier = require('istanbul').Verifier,2    reports = require('istanbul').Report,3    collector = new (require('istanbul').Collector)(),4    reporter = new reports.HtmlReporter();5var coverage = verifier.getCoverage('./coverage/coverage.json');6var summary = verifier.summarizeCoverage(coverage);7console.log(summary);8reporter.writeReport(coverage, './coverage');9reports.create('cobertura', {}).writeReport(coverage, './coverage');10reports.create('lcov', {}).writeReport(coverage, './coverage');11reports.create('teamcity', {}).writeReport(coverage, './coverage');12reports.create('text', {}).writeReport(coverage, './coverage');13reports.create('text-summary', {}).writeReport(coverage, './coverage');14reports.create('json', {}).writeReport(coverage, './coverage');15reports.create('json-summary', {}).writeReport(coverage, './coverage');16reports.create('html', {}).writeReport(coverage, './coverage');

Using AI Code Generation

1var istanbul = require('istanbul');2var path = require('path');3var fs = require('fs');4var verifier = require('istanbul-api').createVerifier();5var report = path.join(__dirname, 'coverage/coverage-final.json');6var file = path.join(__dirname, 'test.js');7var coverageMap = istanbul.libCoverage.createCoverageMap(fs.readFileSync(report, 'utf8'));8console.log(verifier.getCoverage(coverageMap, file));9var uncoveredLines = verifier.getUncoveredLines(coverageMap, file);10console.log(uncoveredLines);

Using AI Code Generation

1var verifier = require('istanbul').Verifier,2    reports = require('istanbul').Report,3    collector = new (require('istanbul').Collector)(),4    reporter = reports.create('html');5collector.add(coverage);6verifier.addMatchers({7    'statement' : function (node) {8        return node.isStatement;9    },10    'branch' : function (node) {11        return node.isBranch;12    },13    'function' : function (node) {14        return node.isFunction;15    },16    'line' : function (node) {17        return node.isLine;18    }19});20verifier.verify(collector, {21}, function (err, passed) {22    console.log('Verifying coverage: ', passed);23});24reporter.writeReport(collector, true);

Using AI Code Generation

1var istanbul = require('istanbul-lib-instrument');2var verifier = istanbul.createVerifier();3var coverage = verifier.getCoverage();4var keys = Object.keys(coverage);5var totalBranches = 0;6var coveredBranches = 0;7var totalLines = 0;8var coveredLines = 0;9var totalFunctions = 0;10var coveredFunctions = 0;11var totalStatements = 0;12var coveredStatements = 0;13keys.forEach(function(key) {14    var fileCoverage = coverage[key];15    totalBranches += fileCoverage.b.total;16    coveredBranches += fileCoverage.b.covered;17    totalLines += fileCoverage.l.total;18    coveredLines += fileCoverage.l.covered;19    totalFunctions += fileCoverage.f.total;20    coveredFunctions += fileCoverage.f.covered;21    totalStatements += fileCoverage.s.total;22    coveredStatements += fileCoverage.s.covered;23});24console.log('Branches: ' + coveredBranches + '/' + totalBranches);25console.log('Lines: ' + coveredLines + '/' + totalLines);26console.log('Functions: ' + coveredFunctions + '/' + totalFunctions);27console.log('Statements: ' + coveredStatements + '/' + totalStatements);

Using AI Code Generation

1const path = require('path');2const {createReporter} = require('istanbul-api');3const {createCoverageMap} = require('istanbul-lib-coverage');4const {createSourceMapStore} = require('istanbul-lib-source-maps');5const {createContext} = require('istanbul-lib-report');6const {createDefaultConfig} = require('istanbul-reports');7const {readFileSync} = require('fs');8const coverageMap = createCoverageMap({});9const sourceMapStore = createSourceMapStore();10const context = createContext({11    sourceFinder: sourceMapStore.transformer()12});13const config = createDefaultConfig();14const reporter = createReporter();15reporter.addAll(['lcov', 'json', 'text', 'text-summary']);16reporter.write(context, config);17const coverage = JSON.parse(readFileSync(path.join('coverage', 'coverage-final.json'), 'utf8'));18coverageMap.merge(coverage);19sourceMapStore.registerURL(transformer, url);20reporter.write(context, config);21### createReporter(options)22{23}

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