105 lines
2.5 KiB
JavaScript
105 lines
2.5 KiB
JavaScript
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'use strict';
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/**
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* @module Progress
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*/
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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 constants = require('../runner').constants;
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var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN;
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var EVENT_TEST_END = constants.EVENT_TEST_END;
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var EVENT_RUN_END = constants.EVENT_RUN_END;
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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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* Constructs a new `Progress` reporter instance.
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*
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* @public
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* @class
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* @memberof Mocha.reporters
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* @extends Mocha.reporters.Base
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* @param {Runner} runner - Instance triggers reporter actions.
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* @param {Object} [options] - runner options
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*/
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function Progress(runner, options) {
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Base.call(this, runner, options);
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var self = this;
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var width = (Base.window.width * 0.5) | 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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var reporterOptions = options.reporterOptions || {};
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options.open = reporterOptions.open || '[';
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options.complete = reporterOptions.complete || '▬';
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options.incomplete = reporterOptions.incomplete || Base.symbols.dot;
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options.close = reporterOptions.close || ']';
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options.verbose = reporterOptions.verbose || false;
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// tests started
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runner.on(EVENT_RUN_BEGIN, function() {
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process.stdout.write('\n');
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cursor.hide();
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});
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// tests complete
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runner.on(EVENT_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.once(EVENT_RUN_END, function() {
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cursor.show();
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process.stdout.write('\n');
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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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Progress.description = 'a progress bar';
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