pixelnode/node_modules/mocha/lib/reporters/progress.js

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2018-04-04 12:31:55 +02:00
/**
* Module dependencies.
*/
var Base = require('./base');
var inherits = require('../utils').inherits;
var color = Base.color;
var cursor = Base.cursor;
/**
* Expose `Progress`.
*/
exports = module.exports = Progress;
/**
* General progress bar color.
*/
Base.colors.progress = 90;
/**
* Initialize a new `Progress` bar test reporter.
*
* @api public
* @param {Runner} runner
* @param {Object} options
*/
function Progress(runner, options) {
Base.call(this, runner);
var self = this;
var width = Base.window.width * .50 | 0;
var total = runner.total;
var complete = 0;
var lastN = -1;
// default chars
options = options || {};
options.open = options.open || '[';
options.complete = options.complete || '▬';
options.incomplete = options.incomplete || Base.symbols.dot;
options.close = options.close || ']';
options.verbose = false;
// tests started
runner.on('start', function() {
console.log();
cursor.hide();
});
// tests complete
runner.on('test end', function() {
complete++;
var percent = complete / total;
var n = width * percent | 0;
var i = width - n;
if (n === lastN && !options.verbose) {
// Don't re-render the line if it hasn't changed
return;
}
lastN = n;
cursor.CR();
process.stdout.write('\u001b[J');
process.stdout.write(color('progress', ' ' + options.open));
process.stdout.write(Array(n).join(options.complete));
process.stdout.write(Array(i).join(options.incomplete));
process.stdout.write(color('progress', options.close));
if (options.verbose) {
process.stdout.write(color('progress', ' ' + complete + ' of ' + total));
}
});
// tests are complete, output some stats
// and the failures if any
runner.on('end', function() {
cursor.show();
console.log();
self.epilogue();
});
}
/**
* Inherit from `Base.prototype`.
*/
inherits(Progress, Base);