vnfmarket/src/main/webapp/vnfmarket/node_modules/istanbul/lib/report/json-summary.js

   1 /*
   2  Copyright (c) 2012, Yahoo! Inc.  All rights reserved.
   3  Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
   4  */
   5
   6 var path = require('path'),
   7     objectUtils = require('../object-utils'),
   8     Writer = require('../util/file-writer'),
   9     util = require('util'),
  10     Report = require('./index');
  11 /**
  12  * a `Report` implementation that produces a coverage JSON object with summary info only.
  13  *
  14  * Usage
  15  * -----
  16  *
  17  *      var report = require('istanbul').Report.create('json-summary');
  18  *
  19  *
  20  * @class JsonSummaryReport
  21  * @extends Report
  22  * @module report
  23  * @constructor
  24  * @param {Object} opts optional
  25  * @param {String} [opts.dir] the directory in which to write the `coverage-summary.json` file. Defaults to `process.cwd()`
  26  */
  27 function JsonSummaryReport(opts) {
  28     this.opts = opts || {};
  29     this.opts.dir = this.opts.dir || process.cwd();
  30     this.opts.file = this.opts.file || this.getDefaultConfig().file;
  31     this.opts.writer = this.opts.writer || null;
  32 }
  33 JsonSummaryReport.TYPE = 'json-summary';
  34 util.inherits(JsonSummaryReport, Report);
  35
  36 Report.mix(JsonSummaryReport, {
  37     synopsis: function () {
  38         return 'prints a summary coverage object as JSON to a file';
  39     },
  40     getDefaultConfig: function () {
  41         return {
  42             file: 'coverage-summary.json'
  43         };
  44     },
  45     writeReport: function (collector, sync) {
  46         var outputFile = path.resolve(this.opts.dir, this.opts.file),
  47             writer = this.opts.writer || new Writer(sync),
  48             that = this;
  49
  50         var summaries = [],
  51             finalSummary;
  52         collector.files().forEach(function (file) {
  53             summaries.push(objectUtils.summarizeFileCoverage(collector.fileCoverageFor(file)));
  54         });
  55         finalSummary = objectUtils.mergeSummaryObjects.apply(null, summaries);
  56
  57         writer.on('done', function () { that.emit('done'); });
  58         writer.writeFile(outputFile, function (contentWriter) {
  59             contentWriter.println("{");
  60             contentWriter.write('"total":');
  61             contentWriter.write(JSON.stringify(finalSummary));
  62
  63             collector.files().forEach(function (key) {
  64                 contentWriter.println(",");
  65                 contentWriter.write(JSON.stringify(key));
  66                 contentWriter.write(":");
  67                 contentWriter.write(JSON.stringify(objectUtils.summarizeFileCoverage(collector.fileCoverageFor(key))));
  68             });
  69             contentWriter.println("}");
  70         });
  71         writer.done();
  72     }
  73 });
  74
  75 module.exports = JsonSummaryReport;