lib/json-cov.js
exports = module.exports = {
map: map,
coverage: coverage,
clean: clean
}
/**
* JSONCov
*/
/**
* Map jscoverage data to a JSON structure
* suitable for reporting.
*
* @param {Object} cov
* @return {Object}
* @api private
*/
function map(cov) {
var ret = {
instrumentation: 'node-jscoverage'
, sloc: 0
, hits: 0
, misses: 0
, coverage: 0
, files: []
};
for (var filename in cov) {
var data = coverage(filename, cov[filename]);
ret.files.push(data);
ret.hits += data.hits;
ret.misses += data.misses;
ret.sloc += data.sloc;
}
ret.files.sort(function(a, b) {
return a.filename.localeCompare(b.filename);
});
if (ret.sloc > 0) {
ret.coverage = (ret.hits / ret.sloc) * 100;
}
return ret;
};
/**
* Map jscoverage data for a single source file
* to a JSON structure suitable for reporting.
*
* @param {String} filename name of the source file
* @param {Object} data jscoverage coverage data
* @return {Object}
* @api private
*/
function coverage(filename, data) {
var ret = {
filename: filename,
coverage: 0,
hits: 0,
misses: 0,
sloc: 0,
source: {}
};
data.source.forEach(function(line, num){
num++;
if (data[num] === 0) {
ret.misses++;
ret.sloc++;
} else if (data[num] !== undefined) {
ret.hits++;
ret.sloc++;
}
ret.source[num] = {
source: line
, coverage: data[num] === undefined
? ''
: data[num]
};
});
ret.coverage = ret.hits / ret.sloc * 100;
return ret;
}
/**
* Return a plain-object representation of `test`
* free of cyclic properties etc.
*
* @param {Object} test
* @return {Object}
* @api private
*/
function clean(test) {
return {
title: test.title
, fullTitle: test.fullTitle()
, duration: test.duration
}
}