| 'use strict'; |
| /** |
| * @module Nyan |
| */ |
| /** |
| * Module dependencies. |
| */ |
| |
| var Base = require('./base'); |
| var constants = require('../runner').constants; |
| var inherits = require('../utils').inherits; |
| var EVENT_RUN_BEGIN = constants.EVENT_RUN_BEGIN; |
| var EVENT_TEST_PENDING = constants.EVENT_TEST_PENDING; |
| var EVENT_TEST_PASS = constants.EVENT_TEST_PASS; |
| var EVENT_RUN_END = constants.EVENT_RUN_END; |
| var EVENT_TEST_FAIL = constants.EVENT_TEST_FAIL; |
| |
| /** |
| * Expose `Dot`. |
| */ |
| |
| exports = module.exports = NyanCat; |
| |
| /** |
| * Constructs a new `Nyan` reporter instance. |
| * |
| * @public |
| * @class Nyan |
| * @memberof Mocha.reporters |
| * @extends Mocha.reporters.Base |
| * @param {Runner} runner - Instance triggers reporter actions. |
| * @param {Object} [options] - runner options |
| */ |
| function NyanCat(runner, options) { |
| Base.call(this, runner, options); |
| |
| var self = this; |
| var width = (Base.window.width * 0.75) | 0; |
| var nyanCatWidth = (this.nyanCatWidth = 11); |
| |
| this.colorIndex = 0; |
| this.numberOfLines = 4; |
| this.rainbowColors = self.generateColors(); |
| this.scoreboardWidth = 5; |
| this.tick = 0; |
| this.trajectories = [[], [], [], []]; |
| this.trajectoryWidthMax = width - nyanCatWidth; |
| |
| runner.on(EVENT_RUN_BEGIN, function() { |
| Base.cursor.hide(); |
| self.draw(); |
| }); |
| |
| runner.on(EVENT_TEST_PENDING, function() { |
| self.draw(); |
| }); |
| |
| runner.on(EVENT_TEST_PASS, function() { |
| self.draw(); |
| }); |
| |
| runner.on(EVENT_TEST_FAIL, function() { |
| self.draw(); |
| }); |
| |
| runner.once(EVENT_RUN_END, function() { |
| Base.cursor.show(); |
| for (var i = 0; i < self.numberOfLines; i++) { |
| write('\n'); |
| } |
| self.epilogue(); |
| }); |
| } |
| |
| /** |
| * Inherit from `Base.prototype`. |
| */ |
| inherits(NyanCat, Base); |
| |
| /** |
| * Draw the nyan cat |
| * |
| * @private |
| */ |
| |
| NyanCat.prototype.draw = function() { |
| this.appendRainbow(); |
| this.drawScoreboard(); |
| this.drawRainbow(); |
| this.drawNyanCat(); |
| this.tick = !this.tick; |
| }; |
| |
| /** |
| * Draw the "scoreboard" showing the number |
| * of passes, failures and pending tests. |
| * |
| * @private |
| */ |
| |
| NyanCat.prototype.drawScoreboard = function() { |
| var stats = this.stats; |
| |
| function draw(type, n) { |
| write(' '); |
| write(Base.color(type, n)); |
| write('\n'); |
| } |
| |
| draw('green', stats.passes); |
| draw('fail', stats.failures); |
| draw('pending', stats.pending); |
| write('\n'); |
| |
| this.cursorUp(this.numberOfLines); |
| }; |
| |
| /** |
| * Append the rainbow. |
| * |
| * @private |
| */ |
| |
| NyanCat.prototype.appendRainbow = function() { |
| var segment = this.tick ? '_' : '-'; |
| var rainbowified = this.rainbowify(segment); |
| |
| for (var index = 0; index < this.numberOfLines; index++) { |
| var trajectory = this.trajectories[index]; |
| if (trajectory.length >= this.trajectoryWidthMax) { |
| trajectory.shift(); |
| } |
| trajectory.push(rainbowified); |
| } |
| }; |
| |
| /** |
| * Draw the rainbow. |
| * |
| * @private |
| */ |
| |
| NyanCat.prototype.drawRainbow = function() { |
| var self = this; |
| |
| this.trajectories.forEach(function(line) { |
| write('\u001b[' + self.scoreboardWidth + 'C'); |
| write(line.join('')); |
| write('\n'); |
| }); |
| |
| this.cursorUp(this.numberOfLines); |
| }; |
| |
| /** |
| * Draw the nyan cat |
| * |
| * @private |
| */ |
| NyanCat.prototype.drawNyanCat = function() { |
| var self = this; |
| var startWidth = this.scoreboardWidth + this.trajectories[0].length; |
| var dist = '\u001b[' + startWidth + 'C'; |
| var padding = ''; |
| |
| write(dist); |
| write('_,------,'); |
| write('\n'); |
| |
| write(dist); |
| padding = self.tick ? ' ' : ' '; |
| write('_|' + padding + '/\\_/\\ '); |
| write('\n'); |
| |
| write(dist); |
| padding = self.tick ? '_' : '__'; |
| var tail = self.tick ? '~' : '^'; |
| write(tail + '|' + padding + this.face() + ' '); |
| write('\n'); |
| |
| write(dist); |
| padding = self.tick ? ' ' : ' '; |
| write(padding + '"" "" '); |
| write('\n'); |
| |
| this.cursorUp(this.numberOfLines); |
| }; |
| |
| /** |
| * Draw nyan cat face. |
| * |
| * @private |
| * @return {string} |
| */ |
| |
| NyanCat.prototype.face = function() { |
| var stats = this.stats; |
| if (stats.failures) { |
| return '( x .x)'; |
| } else if (stats.pending) { |
| return '( o .o)'; |
| } else if (stats.passes) { |
| return '( ^ .^)'; |
| } |
| return '( - .-)'; |
| }; |
| |
| /** |
| * Move cursor up `n`. |
| * |
| * @private |
| * @param {number} n |
| */ |
| |
| NyanCat.prototype.cursorUp = function(n) { |
| write('\u001b[' + n + 'A'); |
| }; |
| |
| /** |
| * Move cursor down `n`. |
| * |
| * @private |
| * @param {number} n |
| */ |
| |
| NyanCat.prototype.cursorDown = function(n) { |
| write('\u001b[' + n + 'B'); |
| }; |
| |
| /** |
| * Generate rainbow colors. |
| * |
| * @private |
| * @return {Array} |
| */ |
| NyanCat.prototype.generateColors = function() { |
| var colors = []; |
| |
| for (var i = 0; i < 6 * 7; i++) { |
| var pi3 = Math.floor(Math.PI / 3); |
| var n = i * (1.0 / 6); |
| var r = Math.floor(3 * Math.sin(n) + 3); |
| var g = Math.floor(3 * Math.sin(n + 2 * pi3) + 3); |
| var b = Math.floor(3 * Math.sin(n + 4 * pi3) + 3); |
| colors.push(36 * r + 6 * g + b + 16); |
| } |
| |
| return colors; |
| }; |
| |
| /** |
| * Apply rainbow to the given `str`. |
| * |
| * @private |
| * @param {string} str |
| * @return {string} |
| */ |
| NyanCat.prototype.rainbowify = function(str) { |
| if (!Base.useColors) { |
| return str; |
| } |
| var color = this.rainbowColors[this.colorIndex % this.rainbowColors.length]; |
| this.colorIndex += 1; |
| return '\u001b[38;5;' + color + 'm' + str + '\u001b[0m'; |
| }; |
| |
| /** |
| * Stdout helper. |
| * |
| * @param {string} string A message to write to stdout. |
| */ |
| function write(string) { |
| process.stdout.write(string); |
| } |
| |
| NyanCat.description = '"nyan cat"'; |