test/StaticScraper.js

/* global describe, it */
var sjs = require('../src/Scraper'),
	ScraperPromise = sjs.ScraperPromise,
	StaticScraper = sjs.StaticScraper,
	assert = require('assert'),
	HN_CLONE = 'http://localhost:3000/hacker-news-clone';

describe('StaticScraper', function() {

	describe('#create', function() {
		it('with argument', function(done) {
			var ds = StaticScraper.create(HN_CLONE);
			ds
				.done(function() {
					assert.ok(ds instanceof ScraperPromise);
					done();
				});
		});

		it('without argument', function(done) {
			var ds = StaticScraper.create();
			ds
				.get(HN_CLONE)
				.done(function() {
					assert.ok(ds instanceof ScraperPromise);
					done();
				});
		});
	});

	describe('.loadBody, .scrape, .close', function() {
		it('without errors', function(done) {
			var ds = new StaticScraper();
			ds.body = '<html><head></head><body><div id="f">text</div></body></html>';
			var temp = ds.loadBody(function() {
				var temp2 = ds.scrape(function($) {
					return $('#f').text();
				}, function(err, result) {
					assert.ok(err === null);
					assert.equal(result, 'text');
					assert.ok(ds.close() === ds);
					assert.ok(ds.$);
					done();
				});
				assert.ok(temp2 === ds);
			});
			assert.ok(temp === ds);
		});

		it('with errors', function(done) {
			var ds = new StaticScraper();
			ds.body = '<html><head></head><body><div id="f">text</div></body></html>';
			var temp = ds.loadBody(function() {
				var temp2 = ds.scrape(function() {
					throw new Error('Error in scraping fn.');
				}, function(err) {
					if (err) {
						assert.ok(!!err);
						assert.equal(err.message, 'Error in scraping fn.');
						assert.ok(ds.close() === ds);
						assert.ok(ds.$);
						done();
					} else {
						assert.fail('Should return an error.');
					}
				});
				assert.ok(temp2 === ds);
			});
			assert.ok(temp === ds);
		});
	});

	it('.clone', function() {
		var ds = new StaticScraper(),
			clone = ds.clone();
		assert.ok(clone instanceof StaticScraper);
		assert.ok(ds != clone);
	});
});