showdown/test/run.js

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var showdown = new require('../src/showdown'),
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fs = require('fs'),
path = require('path'),
should = require('should');
var runTestsInDir = function(dir, converter) {
// Load test cases from disk
var cases = fs.readdirSync(dir).filter(function(file){
return ~file.indexOf('.md');
}).map(function(file){
return file.replace('.md', '');
});
// Run each test case (markdown -> html)
showdown.forEach(cases, function(test){
var name = test.replace(/[-.]/g, ' ');
it (name, function(){
var mdpath = path.join(dir, test + '.md'),
htmlpath = path.join(dir, test + '.html'),
md = fs.readFileSync(mdpath, 'utf8'),
expected = fs.readFileSync(htmlpath, 'utf8').trim(),
actual = converter.makeHtml(md).trim();
// Normalize line returns
expected = expected.replace(/\r/g, '');
// Ignore all leading/trailing whitespace
expected = expected.split('\n').map(function(x){
return x.trim();
}).join('\n');
actual = actual.split('\n').map(function(x){
return x.trim();
}).join('\n');
// Convert whitespace to a visible character so that it shows up on error reports
expected = expected.replace(/ /g, '·');
expected = expected.replace(/\n/g, '•\n');
actual = actual.replace(/ /g, '·');
actual = actual.replace(/\n/g, '•\n');
// Compare
actual.should.equal(expected);
});
});
};
//
// :: Markdown to HTML testing ::
//
describe('Markdown', function() {
var converter = new showdown.converter();
runTestsInDir('test/cases', converter);
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runTestsInDir('test/issues', converter);
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});
//
// :: Extensions Testing ::
//
if (fs.existsSync('test/extensions')) {
describe('extensions', function() {
// Search all sub-folders looking for directory-specific tests
var extensions = fs.readdirSync('test/extensions').filter(function(file){
return fs.lstatSync('test/extensions/' + file).isDirectory();
});
// Run tests in each extension sub-folder
showdown.forEach(extensions, function(ext){
// Make sure extension exists
var src = 'src/extensions/' + ext + '.js';
if (!fs.existsSync(src)) {
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throw "Attempting tests for '" + ext + "' but source file (" + src + ") was not found.";
}
var converter = new showdown.converter({ extensions: [ ext ] });
var dir = 'test/extensions/' + ext;
runTestsInDir(dir, converter);
});
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});
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}