| 'use strict'; |
| |
| /** |
| * Provides a factory function for a {@link StatsCollector} object. |
| * @module |
| */ |
| |
| var constants = require('./runner').constants; |
| var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; |
| var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; |
| var EVENT_SUITE_BEGIN = constants.EVENT_SUITE_BEGIN; |
| var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; |
| var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; |
| var EVENT_RUN_END = constants.EVENT_RUN_END; |
| var EVENT_TEST_END = constants.EVENT_TEST_END; |
| |
| /** |
| * Test statistics collector. |
| * |
| * @public |
| * @typedef {Object} StatsCollector |
| * @property {number} suites - integer count of suites run. |
| * @property {number} tests - integer count of tests run. |
| * @property {number} passes - integer count of passing tests. |
| * @property {number} pending - integer count of pending tests. |
| * @property {number} failures - integer count of failed tests. |
| * @property {Date} start - time when testing began. |
| * @property {Date} end - time when testing concluded. |
| * @property {number} duration - number of msecs that testing took. |
| */ |
| |
| var Date = global.Date; |
| |
| /** |
| * Provides stats such as test duration, number of tests passed / failed etc., by listening for events emitted by `runner`. |
| * |
| * @private |
| * @param {Runner} runner - Runner instance |
| * @throws {TypeError} If falsy `runner` |
| */ |
| function createStatsCollector(runner) { |
| /** |
| * @type StatsCollector |
| */ |
| var stats = { |
| suites: 0, |
| tests: 0, |
| passes: 0, |
| pending: 0, |
| failures: 0 |
| }; |
| |
| if (!runner) { |
| throw new TypeError('Missing runner argument'); |
| } |
| |
| runner.stats = stats; |
| |
| runner.once(EVENT_RUN_BEGIN, function() { |
| stats.start = new Date(); |
| }); |
| runner.on(EVENT_SUITE_BEGIN, function(suite) { |
| suite.root || stats.suites++; |
| }); |
| runner.on(EVENT_TEST_PASS, function() { |
| stats.passes++; |
| }); |
| runner.on(EVENT_TEST_FAIL, function() { |
| stats.failures++; |
| }); |
| runner.on(EVENT_TEST_PENDING, function() { |
| stats.pending++; |
| }); |
| runner.on(EVENT_TEST_END, function() { |
| stats.tests++; |
| }); |
| runner.once(EVENT_RUN_END, function() { |
| stats.end = new Date(); |
| stats.duration = stats.end - stats.start; |
| }); |
| } |
| |
| module.exports = createStatsCollector; |