GT2/GT2-Android/node_modules/istanbul-api/lib/run-check-coverage.js

149 lines
5.0 KiB
JavaScript

/*
Copyright 2012-2015, Yahoo Inc.
Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
*/
var path = require('path'),
fs = require('fs'),
filesFor = require('./file-matcher').filesFor,
libCoverage = require('istanbul-lib-coverage'),
inputError = require('./input-error'),
isAbsolute = path.isAbsolute || function (file) {
return path.resolve(file) === path.normalize(file);
};
function removeFiles(origMap, root, files) {
var filesObj = {},
ret = libCoverage.createCoverageMap();
// Create lookup table.
files.forEach(function (file) {
filesObj[file] = true;
});
origMap.files().forEach(function (key) {
// Exclude keys will always be relative, but covObj keys can be absolute or relative
var excludeKey = isAbsolute(key) ? path.relative(root, key) : key;
// Also normalize for files that start with `./`, etc.
excludeKey = path.normalize(excludeKey);
if (filesObj[excludeKey] !== true) {
ret.addFileCoverage(origMap.fileCoverageFor(key));
}
});
return ret;
}
function run(config, opts, callback) {
if (!callback && typeof(opts) === 'function') {
callback = opts;
opts = {};
}
opts = opts || {};
var root = opts.root || config.instrumentation.root() || process.cwd(),
includePattern = opts.include || '**/coverage*.json',
errors = [],
check,
makeMap,
processFiles;
check = function (name, thresholds, actuals) {
[
"statements",
"branches",
"lines",
"functions"
].forEach(function (key) {
var actual = actuals[key].pct,
actualUncovered = actuals[key].total - actuals[key].covered,
threshold = thresholds[key];
if (threshold < 0) {
if (threshold * -1 < actualUncovered) {
errors.push('ERROR: Uncovered count for ' + key + ' (' + actualUncovered +
') exceeds ' + name + ' threshold (' + -1 * threshold + ')');
}
} else {
if (actual < threshold) {
errors.push('ERROR: Coverage for ' + key + ' (' + actual +
'%) does not meet ' + name + ' threshold (' + threshold + '%)');
}
}
});
};
makeMap = function (files, callback) {
var coverageMap = libCoverage.createCoverageMap();
if (files.length === 0) {
return callback(inputError.create('ERROR: No coverage files found.'));
}
files.forEach(function (file) {
var coverageObject = JSON.parse(fs.readFileSync(file, 'utf8'));
coverageMap.merge(coverageObject);
});
return callback(null, coverageMap);
};
processFiles = function (coverageMap, callback) {
var thresholds = {
global: {
statements: config.check.global.statements || 0,
branches: config.check.global.branches || 0,
lines: config.check.global.lines || 0,
functions: config.check.global.functions || 0,
excludes: config.check.global.excludes || []
},
each: {
statements: config.check.each.statements || 0,
branches: config.check.each.branches || 0,
lines: config.check.each.lines || 0,
functions: config.check.each.functions || 0,
excludes: config.check.each.excludes || []
}
},
globalResults = removeFiles(coverageMap, root, thresholds.global.excludes),
eachResults = removeFiles(coverageMap, root, thresholds.each.excludes),
finalError;
if (config.verbose) {
console.error('Compare actuals against thresholds');
console.error(JSON.stringify({
global: globalResults,
each: eachResults,
thresholds: thresholds
}, undefined, 4));
}
check("global", thresholds.global, globalResults.getCoverageSummary());
eachResults.files().forEach(function (key) {
var summary = eachResults.fileCoverageFor(key).toSummary();
check("per-file" + " (" + key + ") ", thresholds.each, summary);
});
finalError = errors.length === 0 ? null : errors.join("\n");
return callback(finalError);
};
filesFor({
root: root,
includes: [includePattern]
}, function (err, files) {
if (err) {
return callback(err);
}
makeMap(files, function (err, map) {
if (err) {
return callback(err);
}
return processFiles(map, callback);
});
});
}
module.exports = {
run: run
};