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var fs = require('fs');
var path = require('path');
var _ = require('lodash');
var cheerio = require('cheerio');
var should = require('should');
// Assertions to test if an Output has generated a file
should.Assertion.add('file', function(file, description) {
var rootFolder;
if (_.isFunction(this.obj.root)) {
rootFolder = this.obj.root();
} else {
rootFolder = this.obj;
}
this.params = {
actual: rootFolder,
operator: 'have file ' + file,
message: description
};
if (_.isFunction(this.obj.resolve)) {
file = this.obj.resolve(file);
} else {
file = path.resolve(rootFolder, file);
}
this.assert(fs.existsSync(file));
});
should.Assertion.add('html', function(rules, description) {
this.params = { actual: 'HTML string', operator: 'valid html', message: description };
var $ = cheerio.load(this.obj);
_.each(rules, function(validations, query) {
validations = _.defaults(validations || {}, {
// Select a specific element in the list of matched elements
index: null,
// Check that there is the correct count of elements
count: 1,
// Check attribute values
attributes: {},
// Trim inner text
trim: false,
// Check inner text
text: undefined
});
var $el = $(query);
// Select correct element
if (_.isNumber(validations.index)) $el = $($el.get(validations.index));
// Test number of elements
$el.length.should.be.equal(validations.count);
// Test text
if (validations.text !== undefined) {
var text = $el.text();
if (validations.trim) text = text.trim();
text.should.be.equal(validations.text);
}
// Test attributes
_.each(validations.attributes, function(value, name) {
var attr = $el.attr(name);
should(attr).be.ok();
attr.should.be.equal(value);
});
});
});
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