carto/test/less-test.js
2010-03-07 23:42:19 -05:00

89 lines
2.5 KiB
JavaScript

var path = require('path'),
fs = require('fs'),
sys = require('sys');
require.paths.unshift(__dirname, path.join(__dirname, '..'));
var less = require('lib/less/adapters/server');
less.tree = {};
process.mixin(less.tree, require(path.join(__dirname, '..', 'lib', 'less', 'tree')));
less.tree.functions.add = function (a, b) {
return new(less.tree.Dimension)(a.value + b.value);
}
less.tree.functions.increment = function (a) {
return new(less.tree.Dimension)(a.value + 1);
}
less.tree.functions.color = function (str) {
if (str.content === "evil red") { return new(less.tree.Color)("600") }
}
sys.puts("\n" + stylize("LESS", 'underline') + "\n");
fs.readdirSync('test/less').forEach(function (file) {
if (! /\.less/.test(file)) { return }
toCSS('test/less/' + file, function (err, less) {
var name = path.basename(file, '.less');
read(path.join('test/css', name) + '.css', function (e, css) {
sys.print("- " + name + ": ")
if (less === css) { sys.print(stylize('OK', 'green')) }
else if (err) {
sys.print(stylize("ERROR: " + (err && err.message), 'red'));
} else {
sys.print(stylize("FAIL", 'yellow'));
}
sys.puts("");
});
});
});
function toCSS(path, callback) {
var tree, css;
read(path, function (e, str) {
if (e) { return callback(e) }
tree = less.parser.parse(str);
if (less.parser.error) {
callback(less.parser.error);
} else {
try {
css = tree.toCSS([], {frames: []});
callback(null, css);
} catch (e) {
callback(e);
}
}
});
}
function read(path, callback) {
fs.stat(path, function (e, stats) {
if (e) return callback(e);
fs.open(path, process.O_RDONLY, stats.mode, function (e, fd) {
if (e) return callback(e);
fs.read(fd, stats.size, 0, "utf8", function (e, data) {
if (e) return callback(e);
callback(null, data);
});
});
});
}
// Stylize a string
function stylize(str, style) {
var styles = {
'bold' : [1, 22],
'inverse' : [7, 27],
'underline' : [4, 24],
'yellow' : [33, 39],
'green' : [32, 39],
'red' : [31, 39]
};
return '\033[' + styles[style][0] + 'm' + str +
'\033[' + styles[style][1] + 'm';
}