class TestDepthMiddleware(TestCase):
def setUp(self):
crawler = get_crawler(Spider)
self.spider = crawler._create_spider('scrapytest.org')
self.stats = StatsCollector(crawler)
self.stats.open_spider(self.spider)
self.mw = DepthMiddleware(1, self.stats, True)
def test_process_spider_output(self):
req = Request('http://scrapytest.org')
resp = Response('http://scrapytest.org')
resp.request = req
result = [Request('http://scrapytest.org')]
out = list(self.mw.process_spider_output(resp, result, self.spider))
self.assertEquals(out, result)
rdc = self.stats.get_value('request_depth_count/1', spider=self.spider)
self.assertEquals(rdc, 1)
req.meta['depth'] = 1
out2 = list(self.mw.process_spider_output(resp, result, self.spider))
self.assertEquals(out2, [])
rdm = self.stats.get_value('request_depth_max', spider=self.spider)
self.assertEquals(rdm, 1)
def tearDown(self):
self.stats.close_spider(self.spider, '')
def test_signals(self):
signals_catched = set()
def spider_opened(spider):
assert spider is self.spider
signals_catched.add(stats_spider_opened)
def spider_closing(spider, reason):
assert spider is self.spider
assert reason == 'testing'
signals_catched.add(stats_spider_closing)
def spider_closed(spider, reason, spider_stats):
assert spider is self.spider
assert reason == 'testing'
assert spider_stats == {'test': 1}
signals_catched.add(stats_spider_closed)
dispatcher.connect(spider_opened, signal=stats_spider_opened)
dispatcher.connect(spider_closing, signal=stats_spider_closing)
dispatcher.connect(spider_closed, signal=stats_spider_closed)
stats = StatsCollector()
stats.open_spider(self.spider)
stats.set_value('test', 1, spider=self.spider)
self.assertEqual([(self.spider, {'test': 1})], list(stats.iter_spider_stats()))
stats.close_spider(self.spider, 'testing')
assert stats_spider_opened in signals_catched
assert stats_spider_closing in signals_catched
assert stats_spider_closed in signals_catched
dispatcher.disconnect(spider_opened, signal=stats_spider_opened)
dispatcher.disconnect(spider_closing, signal=stats_spider_closing)
dispatcher.disconnect(spider_closed, signal=stats_spider_closed)
def test_signals(self):
signals_catched = set()
def spider_opened(spider):
assert spider is self.spider
signals_catched.add(stats_spider_opened)
def spider_closing(spider, reason):
assert spider is self.spider
assert reason == "testing"
signals_catched.add(stats_spider_closing)
def spider_closed(spider, reason, spider_stats):
assert spider is self.spider
assert reason == "testing"
assert spider_stats == {"test": 1}
signals_catched.add(stats_spider_closed)
self.crawler.signals.connect(spider_opened, signal=stats_spider_opened)
self.crawler.signals.connect(spider_closing, signal=stats_spider_closing)
self.crawler.signals.connect(spider_closed, signal=stats_spider_closed)
stats = StatsCollector(self.crawler)
stats.open_spider(self.spider)
stats.set_value("test", 1, spider=self.spider)
self.assertEqual([(self.spider, {"test": 1})], list(stats.iter_spider_stats()))
stats.close_spider(self.spider, "testing")
assert stats_spider_opened in signals_catched
assert stats_spider_closing in signals_catched
assert stats_spider_closed in signals_catched
self.crawler.signals.disconnect(spider_opened, signal=stats_spider_opened)
self.crawler.signals.disconnect(spider_closing, signal=stats_spider_closing)
self.crawler.signals.disconnect(spider_closed, signal=stats_spider_closed)
class TestDepthMiddleware(TestCase):
def setUp(self):
self.spider = BaseSpider('scrapytest.org')
self.stats = StatsCollector()
self.stats.open_spider(self.spider)
self.mw = DepthMiddleware(1, self.stats, True)
def test_process_spider_output(self):
req = Request('http://scrapytest.org')
resp = Response('http://scrapytest.org')
resp.request = req
result = [Request('http://scrapytest.org')]
out = list(self.mw.process_spider_output(resp, result, self.spider))
self.assertEquals(out, result)
rdc = self.stats.get_value('request_depth_count/1', spider=self.spider)
self.assertEquals(rdc, 1)
req.meta['depth'] = 1
out2 = list(self.mw.process_spider_output(resp, result, self.spider))
self.assertEquals(out2, [])
rdm = self.stats.get_value('request_depth_max', spider=self.spider)
self.assertEquals(rdm, 1)
def tearDown(self):
self.stats.close_spider(self.spider, '')
def test_signals(self):
signals_catched = set()
def spider_opened(spider):
assert spider is self.spider
signals_catched.add(stats_spider_opened)
def spider_closing(spider, reason):
assert spider is self.spider
assert reason == 'testing'
signals_catched.add(stats_spider_closing)
def spider_closed(spider, reason, spider_stats):
assert spider is self.spider
assert reason == 'testing'
assert spider_stats == {'test': 1}
signals_catched.add(stats_spider_closed)
self.crawler.signals.connect(spider_opened, signal=stats_spider_opened)
self.crawler.signals.connect(spider_closing,
signal=stats_spider_closing)
self.crawler.signals.connect(spider_closed, signal=stats_spider_closed)
stats = StatsCollector(self.crawler)
stats.open_spider(self.spider)
stats.set_value('test', 1, spider=self.spider)
self.assertEqual([(self.spider, {
'test': 1
})], list(stats.iter_spider_stats()))
stats.close_spider(self.spider, 'testing')
assert stats_spider_opened in signals_catched
assert stats_spider_closing in signals_catched
assert stats_spider_closed in signals_catched
self.crawler.signals.disconnect(spider_opened,
signal=stats_spider_opened)
self.crawler.signals.disconnect(spider_closing,
signal=stats_spider_closing)
self.crawler.signals.disconnect(spider_closed,
signal=stats_spider_closed)