| /** |
| * Module dependencies. |
| */ |
| |
| var Base = require('./base'); |
| |
| /** |
| * Expose `Dot`. |
| */ |
| |
| exports = module.exports = NyanCat; |
| |
| /** |
| * Initialize a new `Dot` matrix test reporter. |
| * |
| * @param {Runner} runner |
| * @api public |
| */ |
| |
| function NyanCat(runner) { |
| Base.call(this, runner); |
| var self = this |
| , stats = this.stats |
| , width = Base.window.width * .75 | 0 |
| , rainbowColors = this.rainbowColors = self.generateColors() |
| , colorIndex = this.colorIndex = 0 |
| , numerOfLines = this.numberOfLines = 4 |
| , trajectories = this.trajectories = [[], [], [], []] |
| , nyanCatWidth = this.nyanCatWidth = 11 |
| , trajectoryWidthMax = this.trajectoryWidthMax = (width - nyanCatWidth) |
| , scoreboardWidth = this.scoreboardWidth = 5 |
| , tick = this.tick = 0 |
| , n = 0; |
| |
| runner.on('start', function(){ |
| Base.cursor.hide(); |
| self.draw(); |
| }); |
| |
| runner.on('pending', function(test){ |
| self.draw(); |
| }); |
| |
| runner.on('pass', function(test){ |
| self.draw(); |
| }); |
| |
| runner.on('fail', function(test, err){ |
| self.draw(); |
| }); |
| |
| runner.on('end', function(){ |
| Base.cursor.show(); |
| for (var i = 0; i < self.numberOfLines; i++) write('\n'); |
| self.epilogue(); |
| }); |
| } |
| |
| /** |
| * Draw the nyan cat |
| * |
| * @api 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. |
| * |
| * @api 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. |
| * |
| * @api 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. |
| * |
| * @api private |
| */ |
| |
| NyanCat.prototype.drawRainbow = function(){ |
| var self = this; |
| |
| this.trajectories.forEach(function(line, index) { |
| write('\u001b[' + self.scoreboardWidth + 'C'); |
| write(line.join('')); |
| write('\n'); |
| }); |
| |
| this.cursorUp(this.numberOfLines); |
| }; |
| |
| /** |
| * Draw the nyan cat |
| * |
| * @api 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 ? '~' : '^'; |
| var face; |
| write(tail + '|' + padding + this.face() + ' '); |
| write('\n'); |
| |
| write(dist); |
| padding = self.tick ? ' ' : ' '; |
| write(padding + '"" "" '); |
| write('\n'); |
| |
| this.cursorUp(this.numberOfLines); |
| }; |
| |
| /** |
| * Draw nyan cat face. |
| * |
| * @return {String} |
| * @api private |
| */ |
| |
| 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 '( ^ .^)'; |
| } else { |
| return '( - .-)'; |
| } |
| }; |
| |
| /** |
| * Move cursor up `n`. |
| * |
| * @param {Number} n |
| * @api private |
| */ |
| |
| NyanCat.prototype.cursorUp = function(n) { |
| write('\u001b[' + n + 'A'); |
| }; |
| |
| /** |
| * Move cursor down `n`. |
| * |
| * @param {Number} n |
| * @api private |
| */ |
| |
| NyanCat.prototype.cursorDown = function(n) { |
| write('\u001b[' + n + 'B'); |
| }; |
| |
| /** |
| * Generate rainbow colors. |
| * |
| * @return {Array} |
| * @api private |
| */ |
| |
| 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`. |
| * |
| * @param {String} str |
| * @return {String} |
| * @api private |
| */ |
| |
| 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. |
| */ |
| |
| function write(string) { |
| process.stdout.write(string); |
| } |
| |
| /** |
| * Inherit from `Base.prototype`. |
| */ |
| |
| NyanCat.prototype.__proto__ = Base.prototype; |