/**
* This file adapted from mocha's stats-collector
* https://github.com/mochajs/mocha/blob/54475eb4ca35a2c9044a1b8c59a60f09c73e6c01/lib/stats-collector.js#L1-L83
*/
const Date = global.Date;
/**
* Provides stats such as test duration, number of tests passed / failed etc., by
* listening for events emitted by `runner`.
*/
function mochaStatsCollector(runner) {
const stats = {
suites: 0,
tests: 0,
passes: 0,
pending: 0,
failures: 0
};
if (!runner) throw new Error("Missing runner argument");
runner.stats = stats;
runner.on("pass", () => stats.passes++);
runner.on("fail", () => stats.failures++);
runner.on("pending", () => stats.pending++);
runner.on("test end", () => stats.tests++);
runner.once("start", () => (stats.start = new Date()));
runner.once("end", function() {
stats.end = new Date();
stats.duration = stats.end - stats.start;
});
}
module.exports = mochaStatsCollector;
