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