direct-dev/es5lib/techs/empty-test-result.js

Yandex Direct dev tools

'use strict';

/** [empty-test-result](https://github.com/direct-adv-interfaces/direct-dev/TECHS.md#empty-test-result) */

var require2 = require('../utils/require2');
var vow = require2('enb/node_modules/vow', 'vow');
var vowFs = require2('enb/node_modules/vow-fs', 'vow-fs');
var buildFlow = require('enb/lib/build-flow');
var istanbul = require('istanbul');

var BlockFilter = require('../utils/block-filter');

function createEmptyResultString(coverage) {
    var now = new Date();

    return JSON.stringify({
        result: {
            stats: { suites: 0, tests: 0, passes: 0, pending: 0, failures: 0, start: now, end: now, duration: 0 },
            tests: [],
            pending: [],
            failures: [],
            passes: []
        },
        coverage: coverage
    }, null, 2);
}

var withCoverage = buildFlow.create().name('empty-test-result').target('target', '?.test-result.json').defineOption('filter').useFileList('js').builder(function (paths) {
    var filter = this.getOption('filter', BlockFilter.empty);

    return vow.all(paths.filter(filter.enb).map(function (file) {
        return vowFs.read(file.fullname, 'utf8').then(function (content) {
            var instrumenter = new istanbul.Instrumenter({ embedSource: true });
            instrumenter.instrumentSync(content, file.fullname);
            return instrumenter.lastFileCoverage();
        });
    })).then(function (coverages) {
        return createEmptyResultString(coverages.reduce(function (resultCoverage, coverage) {
            resultCoverage[coverage.path] = coverage;
            return resultCoverage;
        }, {}));
    });
}).createTech();

var noCoverage = buildFlow.create().name('empty-test-result').target('target', '?.test-result.json').builder(createEmptyResultString).createTech();

module.exports = function (needCoverage) {
    return needCoverage ? withCoverage : noCoverage;
};