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How to use addDerivedInfo method in istanbul

Best JavaScript code snippet using istanbul

object-utils.js

Source:object-utils.js

...70     * @method addDerivedInfo71     * @static72     * @param {Object} coverage the coverage object73     */74    function addDerivedInfo(coverage) {75        Object.keys(coverage).forEach(function (k) {76            addDerivedInfoForFile(coverage[k]);77        });78    }79    /**80     * removes line coverage information from all file coverage objects81     * @method removeDerivedInfo82     * @static83     * @param {Object} coverage the coverage object84     */85    function removeDerivedInfo(coverage) {86        Object.keys(coverage).forEach(function (k) {87            delete coverage[k].l;88        });89    }90    function percent(covered, total) {91        var tmp;92        if (total > 0) {93            tmp = 1000 * 100 * covered / total + 5;94            return Math.floor(tmp / 10) / 100;95        } else {96            return 100.00;97        }98    }99    function computeSimpleTotals(fileCoverage, property, mapProperty) {100        var stats = fileCoverage[property],101            map = mapProperty ? fileCoverage[mapProperty] : null,102            ret = { total: 0, covered: 0, skipped: 0 };103        Object.keys(stats).forEach(function (key) {104            var covered = !!stats[key],105                skipped = map && map[key].skip;106            ret.total += 1;107            if (covered || skipped) {108                ret.covered += 1;109            }110            if (!covered && skipped) {111                ret.skipped += 1;112            }113        });114        ret.pct = percent(ret.covered, ret.total);115        return ret;116    }117    function computeBranchTotals(fileCoverage) {118        var stats = fileCoverage.b,119            branchMap = fileCoverage.branchMap,120            ret = { total: 0, covered: 0, skipped: 0 };121        Object.keys(stats).forEach(function (key) {122            var branches = stats[key],123                map = branchMap[key],124                covered,125                skipped,126                i;127            for (i = 0; i < branches.length; i += 1) {128                covered = branches[i] > 0;129                skipped = map.locations && map.locations[i] && map.locations[i].skip;130                if (covered || skipped) {131                    ret.covered += 1;132                }133                if (!covered && skipped) {134                    ret.skipped += 1;135                }136            }137            ret.total += branches.length;138        });139        ret.pct = percent(ret.covered, ret.total);140        return ret;141    }142    /**143     * returns a blank summary metrics object. A metrics object has the following144     * format.145     *146     *      {147     *          lines: lineMetrics,148     *          statements: statementMetrics,149     *          functions: functionMetrics,150     *          branches: branchMetrics151     *          linesCovered: lineCoveredCount152     *      }153     *154     *  Each individual metric object looks as follows:155     *156     *      {157     *          total: n,158     *          covered: m,159     *          pct: percent160     *      }161     *162     * @method blankSummary163     * @static164     * @return {Object} a blank metrics object165     */166    function blankSummary() {167        return {168            lines: {169                total: 0,170                covered: 0,171                skipped: 0,172                pct: 'Unknown'173            },174            statements: {175                total: 0,176                covered: 0,177                skipped: 0,178                pct: 'Unknown'179            },180            functions: {181                total: 0,182                covered: 0,183                skipped: 0,184                pct: 'Unknown'185            },186            branches: {187                total: 0,188                covered: 0,189                skipped: 0,190                pct: 'Unknown'191            },192            linesCovered: {}193        };194    }195    /**196     * returns the summary metrics given the coverage object for a single file. See `blankSummary()`197     * to understand the format of the returned object.198     *199     * @method summarizeFileCoverage200     * @static201     * @param {Object} fileCoverage the coverage object for a single file.202     * @return {Object} the summary metrics for the file203     */204    function summarizeFileCoverage(fileCoverage) {205        var ret = blankSummary();206        addDerivedInfoForFile(fileCoverage);207        ret.lines = computeSimpleTotals(fileCoverage, 'l');208        ret.functions = computeSimpleTotals(fileCoverage, 'f', 'fnMap');209        ret.statements = computeSimpleTotals(fileCoverage, 's', 'statementMap');210        ret.branches = computeBranchTotals(fileCoverage);211        ret.linesCovered = fileCoverage.l;212        return ret;213    }214    /**215     * merges two instances of file coverage objects *for the same file*216     * such that the execution counts are correct.217     *218     * @method mergeFileCoverage219     * @static220     * @param {Object} first the first file coverage object for a given file221     * @param {Object} second the second file coverage object for the same file222     * @return {Object} an object that is a result of merging the two. Note that223     *      the input objects are not changed in any way.224     */225    function mergeFileCoverage(first, second) {226        var ret = JSON.parse(JSON.stringify(first)),227            i;228        delete ret.l; //remove derived info229        Object.keys(second.s).forEach(function (k) {230            ret.s[k] += second.s[k];231        });232        Object.keys(second.f).forEach(function (k) {233            ret.f[k] += second.f[k];234        });235        Object.keys(second.b).forEach(function (k) {236            var retArray = ret.b[k],237                secondArray = second.b[k];238            for (i = 0; i < retArray.length; i += 1) {239                retArray[i] += secondArray[i];240            }241        });242        return ret;243    }244    /**245     * merges multiple summary metrics objects by summing up the `totals` and246     * `covered` fields and recomputing the percentages. This function is generic247     * and can accept any number of arguments.248     *249     * @method mergeSummaryObjects250     * @static251     * @param {Object} summary... multiple summary metrics objects252     * @return {Object} the merged summary metrics253     */254    function mergeSummaryObjects() {255        var ret = blankSummary(),256            args = Array.prototype.slice.call(arguments),257            keys = ['lines', 'statements', 'branches', 'functions'],258            increment = function (obj) {259                if (obj) {260                    keys.forEach(function (key) {261                        ret[key].total += obj[key].total;262                        ret[key].covered += obj[key].covered;263                        ret[key].skipped += obj[key].skipped;264                    });265                    // keep track of all lines we have coverage for.266                    Object.keys(obj.linesCovered).forEach(function (key) {267                        if (!ret.linesCovered[key]) {268                            ret.linesCovered[key] = obj.linesCovered[key];269                        } else {270                            ret.linesCovered[key] += obj.linesCovered[key];271                        }272                    });273                }274            };275        args.forEach(function (arg) {276            increment(arg);277        });278        keys.forEach(function (key) {279            ret[key].pct = percent(ret[key].covered, ret[key].total);280        });281        return ret;282    }283    /**284     * returns the coverage summary for a single coverage object. This is285     * wrapper over `summarizeFileCoverage` and `mergeSummaryObjects` for286     * the common case of a single coverage object287     * @method summarizeCoverage288     * @static289     * @param {Object} coverage  the coverage object290     * @return {Object} summary coverage metrics across all files in the coverage object291     */292    function summarizeCoverage(coverage) {293        var fileSummary = [];294        Object.keys(coverage).forEach(function (key) {295            fileSummary.push(summarizeFileCoverage(coverage[key]));296        });297        return mergeSummaryObjects.apply(null, fileSummary);298    }299    /**300     * makes the coverage object generated by this library yuitest_coverage compatible.301     * Note that this transformation is lossy since the returned object will not have302     * statement and branch coverage.303     *304     * @method toYUICoverage305     * @static306     * @param {Object} coverage The `istanbul` coverage object307     * @return {Object} a coverage object in `yuitest_coverage` format.308     */309    function toYUICoverage(coverage) {310        var ret = {};311        addDerivedInfo(coverage);312        Object.keys(coverage).forEach(function (k) {313            var fileCoverage = coverage[k],314                lines = fileCoverage.l,315                functions = fileCoverage.f,316                fnMap = fileCoverage.fnMap,317                o;318            o = ret[k] = {319                lines: {},320                calledLines: 0,321                coveredLines: 0,322                functions: {},323                calledFunctions: 0,324                coveredFunctions: 0325            };...

istanbul-utils.js

Source:istanbul-utils.js

...68   * @method addDerivedInfo69   * @static70   * @param {Object} coverage the coverage object71   */72  function addDerivedInfo(coverage) {73    Object.keys(coverage).forEach(function (k) {74      addDerivedInfoForFile(coverage[k]);75    });76  }77  /**78   * removes line coverage information from all file coverage objects79   * @method removeDerivedInfo80   * @static81   * @param {Object} coverage the coverage object82   */83  function removeDerivedInfo(coverage) {84    Object.keys(coverage).forEach(function (k) {85      delete coverage[k].l;86    });87  }88  function percent(covered, total) {89    var tmp;90    if (total > 0) {91      tmp = 1000 * 100 * covered / total + 5;92      return Math.floor(tmp / 10) / 100;93    } else {94      return 100.00;95    }96  }97  function computeSimpleTotals(fileCoverage, property) {98    var stats = fileCoverage[property],99      ret = { total: 0, covered: 0 };100    Object.keys(stats).forEach(function (key) {101      ret.total += 1;102      if (stats[key]) {103        ret.covered += 1;104      }105    });106    ret.pct = percent(ret.covered, ret.total);107    return ret;108  }109  function computeBranchTotals(fileCoverage) {110    var stats = fileCoverage.b,111      ret = { total: 0, covered: 0 };112    Object.keys(stats).forEach(function (key) {113      var branches = stats[key],114        covered = branches.filter(function (num) { return num > 0; });115      ret.total += branches.length;116      ret.covered += covered.length;117    });118    ret.pct = percent(ret.covered, ret.total);119    return ret;120  }121  /**122   * returns a blank summary metrics object. A metrics object has the following123   * format.124   *125   *      {126     *          lines: lineMetrics,127     *          statements: statementMetrics,128     *          functions: functionMetrics,129     *          branches: branchMetrics130     *      }131   *132   *  Each individual metric object looks as follows:133   *134   *      {135     *          total: n,136     *          covered: m,137     *          pct: percent138     *      }139   *140   * @method blankSummary141   * @static142   * @return {Object} a blank metrics object143   */144  function blankSummary() {145    return {146      lines: {147        total: 0,148        covered: 0,149        pct: 'Unknown'150      },151      statements: {152        total: 0,153        covered: 0,154        pct: 'Unknown'155      },156      functions: {157        total: 0,158        covered: 0,159        pct: 'Unknown'160      },161      branches: {162        total: 0,163        covered: 0,164        pct: 'Unknown'165      }166    };167  }168  /**169   * returns the summary metrics given the coverage object for a single file. See `blankSummary()`170   * to understand the format of the returned object.171   *172   * @method summarizeFileCoverage173   * @static174   * @param {Object} fileCoverage the coverage object for a single file.175   * @return {Object} the summary metrics for the file176   */177  function summarizeFileCoverage(fileCoverage) {178    var ret = blankSummary();179    addDerivedInfoForFile(fileCoverage);180    ret.lines = computeSimpleTotals(fileCoverage, 'l');181    ret.functions = computeSimpleTotals(fileCoverage, 'f');182    ret.statements = computeSimpleTotals(fileCoverage, 's');183    ret.branches = computeBranchTotals(fileCoverage);184    return ret;185  }186  /**187   * merges two instances of file coverage objects *for the same file*188   * such that the execution counts are correct.189   *190   * @method mergeFileCoverage191   * @static192   * @param {Object} first the first file coverage object for a given file193   * @param {Object} second the second file coverage object for the same file194   * @return {Object} an object that is a result of merging the two. Note that195   *      the input objects are not changed in any way.196   */197  function mergeFileCoverage(first, second) {198    var ret = JSON.parse(JSON.stringify(first)),199      i;200    delete ret.l; //remove derived info201    Object.keys(second.s).forEach(function (k) {202      ret.s[k] += second.s[k];203    });204    Object.keys(second.f).forEach(function (k) {205      ret.f[k] += second.f[k];206    });207    Object.keys(second.b).forEach(function (k) {208      var retArray = ret.b[k],209        secondArray = second.b[k];210      for (i = 0; i < retArray.length; i += 1) {211        retArray[i] += secondArray[i];212      }213    });214    return ret;215  }216  /**217   * merges multiple summary metrics objects by summing up the `totals` and218   * `covered` fields and recomputing the percentages. This function is generic219   * and can accept any number of arguments.220   *221   * @method mergeSummaryObjects222   * @static223   * @param {Object} summary... multiple summary metrics objects224   * @return {Object} the merged summary metrics225   */226  function mergeSummaryObjects() {227    var ret = blankSummary(),228      args = Array.prototype.slice.call(arguments),229      keys = ['lines', 'statements', 'branches', 'functions'],230      increment = function (obj) {231        if (obj) {232          keys.forEach(function (key) {233            ret[key].total += obj[key].total;234            ret[key].covered += obj[key].covered;235          });236        }237      };238    args.forEach(function (arg) {239      increment(arg);240    });241    keys.forEach(function (key) {242      ret[key].pct = percent(ret[key].covered, ret[key].total);243    });244    return ret;245  }246  /**247   * returns the coverage summary for a single coverage object. This is248   * wrapper over `summarizeFileCoverage` and `mergeSummaryObjects` for249   * the common case of a single coverage object250   * @method summarizeCoverage251   * @static252   * @param {Object} coverage  the coverage object253   * @return {Object} summary coverage metrics across all files in the coverage object254   */255  function summarizeCoverage(coverage) {256    var fileSummary = [];257    Object.keys(coverage).forEach(function (key) {258      fileSummary.push(summarizeFileCoverage(coverage[key]));259    });260    return mergeSummaryObjects.apply(null, fileSummary);261  }262  /**263   * makes the coverage object generated by this library yuitest_coverage compatible.264   * Note that this transformation is lossy since the returned object will not have265   * statement and branch coverage.266   *267   * @method toYUICoverage268   * @static269   * @param {Object} coverage The `istanbul` coverage object270   * @return {Object} a coverage object in `yuitest_coverage` format.271   */272  function toYUICoverage(coverage) {273    var ret = {};274    addDerivedInfo(coverage);275    Object.keys(coverage).forEach(function (k) {276      var fileCoverage = coverage[k],277        lines = fileCoverage.l,278        functions = fileCoverage.f,279        fnMap = fileCoverage.fnMap,280        o;281      o = ret[k] = {282        lines: {},283        calledLines: 0,284        coveredLines: 0,285        functions: {},286        calledFunctions: 0,287        coveredFunctions: 0288      };...

day2.js

Source:day2.js

...45  );46  console.log(message, validPasswords.length);47};48validatePasswordPart1(49  addDerivedInfo(parseInput(part1TestInputFail)),50  `Test failure conditions for part 1 expect 0 to be valid, actual number valid is`51);52validatePasswordPart1(53  addDerivedInfo(parseInput(part1TestInputPass)),54  `Test success conditions for part 1 expect 2 to be valid, actual number valid is`55);56validatePasswordPart1(57  addDerivedInfo(parseInput(inputString)),58  "Part 1, the number of valid passwords is"59);60validatePasswordPart2(61  addDerivedInfo(parseInput(part2TestInputFail)),62  `Test failure conditions for part 2 expect 0 to be valid, actual number valid is`63);64validatePasswordPart2(65  addDerivedInfo(parseInput(part2TestInputPass)),66  `Test success conditions for part 2 expect 2 to be valid, actual number valid is`67);68validatePasswordPart2(69  addDerivedInfo(parseInput(inputString)),70  "Part 2, the number of valid passwords is"...

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5collector.add(__coverage__);6collector.addDerivedInfo();7reporter.add('text');8reporter.addAll(['lcov', 'json']);9reporter.write(collector, sync, function () {10    console.log('All reports generated');11});

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3var reporter = new istanbul.Reporter();4var sync = false;5collector.add({6    'path/to/file1.js': {7        s: { 1: 1, 2: 1 },8        b: { 1: [1, 0] },9        f: { 1: 1, 2: 1 },10        fnMap: {11            1: { name: 'bar', line: 1, loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } },12            2: { name: '(anonymous_1)', line: 1, loc: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } } }13        },14        statementMap: {15            1: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } },16            2: { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } }17        },18        branchMap: {19            1: { line: 1, type: 'binary-expr', locations: [{ start: { line: 1, column: 0 }, end: { line: 1, column: 9 } }, { start: { line: 1, column: 14 }, end: { line: 1, column: 15 } }] }20        }21    }22});23collector.add({24    'path/to/file2.js': {25        s: { 1: 1, 2: 1 },26        b: { 1: [1, 0] },27        f: { 1: 1, 2: 1 },28        fnMap: {29            1: { name: 'bar', line: 1, loc: { start: { line: 1, column: 0 }, end: { line: 1, column: 9 } } },30            2: { name: '(anonymous_1)', line: 1,

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3collector.add(__coverage__);4var reporter = new istanbul.Reporter();5var sync = false;6reporter.addAll([ 'lcov', 'text-summary' ]);7reporter.write(collector, sync, function () { console.log('done'); });

Using AI Code Generation

1var istanbul = require('istanbul');2var collector = new istanbul.Collector();3collector.add(__coverage__);4var reporter = new istanbul.Reporter();5reporter.addAll(['lcov', 'json', 'text', 'clover']);6reporter.write(collector, true, function () {7    console.log('All reports generated');8});

Using AI Code Generation

1var istanbul = require('istanbul');2var instrumenter = new istanbul.Instrumenter();3var fs = require('fs');4var code = fs.readFileSync('test.js', 'utf8');5var instrumentedCode = instrumenter.instrumentSync(code, 'test.js');6fs.writeFileSync('test_instrumented.js', instrumentedCode, 'utf8');7var collector = new istanbul.Collector();8var reporter = new istanbul.Reporter();9var sync = false;10var tree = istanbul.utils.createTree();11var map = istanbul.utils.createCoverageMap();12var coverage = JSON.parse(fs.readFileSync('coverage.json', 'utf8'));13var derivedInfo = istanbul.utils.mergeFileCoverage(coverage);14map.addFileCoverage(derivedInfo);15tree.merge(map);16reporter.addAll(['text', 'lcov', 'json', 'html']);17reporter.write(tree, sync, function () { console.log('done'); });18            throw ex;19    at Array.forEach (native)20    at annotateBranches (C:\Users\abc\Documents\GitHub\test-istanbul\node_modules\istanbul\lib\report\html.js:256:27)21    at HtmlReport.Report.mix.writeDetailPage (C:\Users\abc\Documents\GitHub\test-istanbul\node_modules\istanbul\lib\report\html.js:427:9)22    at SyncFileWriter.extend.writeFile (C:\Users\abc\Documents\GitHub\test-istanbul\node_modules\istanbul\lib\util\file-writer.js:57:9)23    at FileWriter.extend.writeFile (C:\Users\abc\Documents\GitHub\test-istanbul\node_modules\istanbul\lib\util\file

Using AI Code Generation

1var istanbulMiddleware = require('istanbul-middleware');2var addDerivedInfo = istanbulMiddleware.addDerivedInfo;3var coverage = require('./coverage.json');4var derivedCoverage = addDerivedInfo(coverage);5console.log(derivedCoverage);6#### addDerivedInfo(coverage, options)

Using AI Code Generation

1const instrumenter = require('istanbul-lib-instrument').createInstrumenter();2const fs = require('fs');3const code = fs.readFileSync('./test.js', 'utf-8');4const ast = instrumenter.parse(code);5instrumenter.addDerivedInfo(ast, code);6console.log(JSON.stringify(ast, null, 2));

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