scraperjs/test/DynamicScraper.js at master · dev600/scraperjs · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/* global describe, it, $ */
var sjs = require('../src/Scraper'),
	ScraperPromise = sjs.ScraperPromise,
	DynamicScraper = sjs.DynamicScraper,
	assert = require('assert'),
	HN_CLONE = 'http://localhost:3000/hacker-news-clone';


describe('DynamicScraper', function() {

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

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

	it('.loadBody, .scrape, .close', function(done) {
		var ds = new DynamicScraper();
		ds.body = '<html><body><div id="f">text</div></body></html>';
		var temp = ds.loadBody(function() {
			var temp = ds.scrape(function() {
				return $('#f').text();
			}, function(err, result) {
				assert.equal(err, null);
				assert.equal(result, 'text');
				assert.ok(ds.close() === ds);
				assert.ok(!!ds.ph);
				assert.ok(!!ds.page);
				done();
			});
			assert.ok(temp === ds);
		});
		assert.ok(temp === ds);
	});

	describe('.inject', function() {
		it('page not loaded', function() {
			var ds = new DynamicScraper();
			try {
				ds.inject('');
				assert.fail('Should have thrown');
			} catch (e) {
				assert.equal(e.message, 'Couldn\'t inject code, at "". The page has not been initialized yet.');
			}
		});

		it('success', function(done) {
			var ds = new DynamicScraper();
			ds.get(HN_CLONE, function(err) {
				if (err) {
					assert.fail('Shouldn\'t have returned an error.');
				}
				ds.inject(__dirname + '/static/code.js', function(err) {
					if (err) {
						assert.fail('Should load code successfully.');
					} else {
						done();
					}
				});

			});
		});

		it('fails', function(done) {
			var ds = new DynamicScraper();
			ds.get(HN_CLONE, function(err) {
				if (err) {
					assert.fail('Shouldn\'t have returned an error.');
				}
				var file = __dirname + '/static/invalid-code.js';
				ds.inject(file, function(err) {
					if (err) {
						assert.equal(err.message, 'Couldn\'t inject code, at "' + file + '".');
						done();
					} else {
						assert.fail('Shouldn\'t load code successfully.');
					}
				});

			});
		});

		it('fails jQuery', function(done) {
			var jq = DynamicScraper.JQUERY_FILE;
			DynamicScraper.JQUERY_FILE += '.non';
			var ds = new DynamicScraper();
			ds.get(HN_CLONE, function(err) {
				DynamicScraper.JQUERY_FILE = jq;
				if (err) {
					assert.equal(err.message, 'Couldn\'t inject jQuery into the page.');
				} else {
					assert.fail('Should have returned an error.');
				}
				done();
			});
		});
	});

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

	it('#startFactory, #closeFactory', function() {
		var temp;
		temp = DynamicScraper.startFactory();
		assert.ok(temp === DynamicScraper);
		temp = DynamicScraper.closeFactory();
		assert.ok(temp === DynamicScraper);
		temp = DynamicScraper.closeFactory();
		assert.ok(temp === DynamicScraper);
	});
});