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carto/test/rendering.test.js

72 lines
2.7 KiB

var path = require('path'),
assert = require('assert'),
fs = require('fs');
var carto = require('../lib/carto');
var tree = require('../lib/carto/tree');
var helper = require('./support/helper');
describe('Rendering', function() {
helper.files('rendering', 'mml', function(file) {
it('should render ' + path.basename(file) + ' correctly', function(done) {
var completed = false;
var renderResult;
var mml = helper.mml(file);
try {
var output = new carto.Renderer({
paths: [ path.dirname(file) ],
data_dir: path.join(__dirname, '../data'),
local_data_dir: path.join(__dirname, 'rendering'),
filename: file
}).render(mml);
} catch(err) {
if (Array.isArray(err)){
err.forEach(carto.writeError);
return done();
} else {
return done(err);
}
}
var result = helper.resultFile(file);
renderResult = output;
helper.compareToXMLFile(result, output, function(err,expected_json,actual_json) {
completed = true;
var actual = file.replace(path.extname(file),'') + '-actual.json';
var expected = file.replace(path.extname(file),'') + '-expected.json';
if (err) {
// disabled since it can break on large diffs
/*
console.warn(
helper.stylize("Failure", 'red') + ': ' +
helper.stylize(file, 'underline') +
' differs from expected result.');
helper.showDifferences(err);
throw '';
*/
fs.writeFileSync(actual,JSON.stringify(actual_json,null,4));
fs.writeFileSync(expected,JSON.stringify(expected_json,null,4));
throw new Error('failed: xml ' + result + ' in json form does not match expected result:\n' + actual + ' (actual)\n' + expected + ' (expected)');
} else {
// cleanup any actual renders that no longer fail
try {
fs.unlinkSync(actual);
fs.unlinkSync(expected);
} catch (err) {}
}
done();
}, [
helper.removeAbsoluteImages,
helper.removeAbsoluteDatasources
]);
// beforeExit(function() {
// if (!completed && renderResult) {
// console.warn(helper.stylize('renderer produced:', 'bold'));
// console.warn(renderResult);
// }
// assert.ok(completed, 'Rendering finished.');
// });
});
});
});