153 lines
2.7 KiB
JavaScript
153 lines
2.7 KiB
JavaScript
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/**
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* Module dependencies.
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*/
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var Base = require('./base');
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/**
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* Expose `JSONCov`.
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*/
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exports = module.exports = JSONCov;
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/**
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* Initialize a new `JsCoverage` reporter.
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*
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* @param {Runner} runner
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* @param {Boolean} output
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* @api public
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*/
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function JSONCov(runner, output) {
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var self = this
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, output = 1 == arguments.length ? true : output;
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Base.call(this, runner);
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var tests = []
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, failures = []
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, passes = [];
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runner.on('test end', function(test){
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tests.push(test);
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});
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runner.on('pass', function(test){
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passes.push(test);
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});
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runner.on('fail', function(test){
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failures.push(test);
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});
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runner.on('end', function(){
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var cov = global._$jscoverage || {};
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var result = self.cov = map(cov);
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result.stats = self.stats;
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result.tests = tests.map(clean);
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result.failures = failures.map(clean);
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result.passes = passes.map(clean);
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if (!output) return;
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process.stdout.write(JSON.stringify(result, null, 2 ));
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});
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}
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/**
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* Map jscoverage data to a JSON structure
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* suitable for reporting.
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*
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* @param {Object} cov
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* @return {Object}
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* @api private
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*/
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function map(cov) {
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var ret = {
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instrumentation: 'node-jscoverage'
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, sloc: 0
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, hits: 0
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, misses: 0
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, coverage: 0
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, files: []
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};
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for (var filename in cov) {
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var data = coverage(filename, cov[filename]);
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ret.files.push(data);
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ret.hits += data.hits;
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ret.misses += data.misses;
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ret.sloc += data.sloc;
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}
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ret.files.sort(function(a, b) {
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return a.filename.localeCompare(b.filename);
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});
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if (ret.sloc > 0) {
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ret.coverage = (ret.hits / ret.sloc) * 100;
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}
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return ret;
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}
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/**
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* Map jscoverage data for a single source file
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* to a JSON structure suitable for reporting.
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*
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* @param {String} filename name of the source file
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* @param {Object} data jscoverage coverage data
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* @return {Object}
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* @api private
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*/
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function coverage(filename, data) {
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var ret = {
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filename: filename,
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coverage: 0,
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hits: 0,
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misses: 0,
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sloc: 0,
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source: {}
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};
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data.source.forEach(function(line, num){
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num++;
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if (data[num] === 0) {
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ret.misses++;
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ret.sloc++;
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} else if (data[num] !== undefined) {
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ret.hits++;
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ret.sloc++;
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}
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ret.source[num] = {
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source: line
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, coverage: data[num] === undefined
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? ''
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: data[num]
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};
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});
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ret.coverage = ret.hits / ret.sloc * 100;
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return ret;
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}
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/**
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* Return a plain-object representation of `test`
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* free of cyclic properties etc.
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*
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* @param {Object} test
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* @return {Object}
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* @api private
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*/
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function clean(test) {
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return {
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title: test.title
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, fullTitle: test.fullTitle()
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, duration: test.duration
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}
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}
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