def setUp(self):
self.crawler = get_crawler(Spider)
self.spider = self.crawler._create_spider('scrapytest.org')
self.mw = DownloaderStats(self.crawler.stats)
self.crawler.stats.open_spider(self.spider)
self.req = Request('http://scrapytest.org')
self.res = Response('scrapytest.org', status=400)
def setUp(self):
self.crawler = get_crawler(Spider)
self.spider = self.crawler._create_spider('scrapytest.org')
self.mw = DownloaderStats(self.crawler.stats)
self.crawler.stats.open_spider(self.spider)
self.req = Request('http://scrapytest.org')
self.res = Response('scrapytest.org', status=400)
class TestDownloaderStats(TestCase):
def setUp(self):
self.crawler = get_crawler(Spider)
self.spider = self.crawler._create_spider('scrapytest.org')
self.mw = DownloaderStats(self.crawler.stats)
self.crawler.stats.open_spider(self.spider)
self.req = Request('http://scrapytest.org')
self.res = Response('scrapytest.org', status=400)
def assertStatsEqual(self, key, value):
self.assertEqual(self.crawler.stats.get_value(key, spider=self.spider),
value, str(self.crawler.stats.get_stats(self.spider)))
def test_process_request(self):
self.mw.process_request(self.req, self.spider)
self.assertStatsEqual('downloader/request_count', 1)
def test_process_response(self):
self.mw.process_response(self.req, self.res, self.spider)
self.assertStatsEqual('downloader/response_count', 1)
def test_response_len(self):
body = (b'', b'not_empty') # empty/notempty body
headers = ({}, {
'lang': 'en'
}, {
'lang': 'en',
'User-Agent': 'scrapy'
}) # 0 headers, 1h and 2h
test_responses = [ # form test responses with all combinations of body/headers
Response(url='scrapytest.org', status=200, body=r[0], headers=r[1])
for r in product(body, headers)
]
for test_response in test_responses:
self.crawler.stats.set_value('downloader/response_bytes', 0)
self.mw.process_response(self.req, test_response, self.spider)
with warnings.catch_warnings():
warnings.simplefilter("ignore", ScrapyDeprecationWarning)
resp_size = len(response_httprepr(test_response))
self.assertStatsEqual('downloader/response_bytes', resp_size)
def test_process_exception(self):
self.mw.process_exception(self.req, MyException(), self.spider)
self.assertStatsEqual('downloader/exception_count', 1)
self.assertStatsEqual(
'downloader/exception_type_count/tests.test_downloadermiddleware_stats.MyException',
1)
def tearDown(self):
self.crawler.stats.close_spider(self.spider, '')
class TestDownloaderStats(TestCase):
def setUp(self):
self.crawler = get_crawler(Spider)
self.spider = self.crawler._create_spider('scrapytest.org')
self.mw = DownloaderStats(self.crawler.stats)
self.crawler.stats.open_spider(self.spider)
self.req = Request('http://scrapytest.org')
self.res = Response('scrapytest.org', status=400)
def test_process_request(self):
self.mw.process_request(self.req, self.spider)
self.assertEqual(self.crawler.stats.get_value('downloader/request_count', \
spider=self.spider), 1)
def test_process_response(self):
self.mw.process_response(self.req, self.res, self.spider)
self.assertEqual(self.crawler.stats.get_value('downloader/response_count', \
spider=self.spider), 1)
def test_process_exception(self):
self.mw.process_exception(self.req, Exception(), self.spider)
self.assertEqual(self.crawler.stats.get_value('downloader/exception_count', \
spider=self.spider), 1)
def tearDown(self):
self.crawler.stats.close_spider(self.spider, '')
class TestDownloaderStats(TestCase):
def setUp(self):
self.crawler = get_crawler(Spider)
self.spider = self.crawler._create_spider('scrapytest.org')
self.mw = DownloaderStats(self.crawler.stats)
self.crawler.stats.open_spider(self.spider)
self.req = Request('http://scrapytest.org')
self.res = Response('scrapytest.org', status=400)
def assertStatsEqual(self, key, value):
self.assertEqual(self.crawler.stats.get_value(key, spider=self.spider),
value, str(self.crawler.stats.get_stats(self.spider)))
def test_process_request(self):
self.mw.process_request(self.req, self.spider)
self.assertStatsEqual('downloader/request_count', 1)
def test_process_response(self):
self.mw.process_response(self.req, self.res, self.spider)
self.assertStatsEqual('downloader/response_count', 1)
def test_process_exception(self):
self.mw.process_exception(self.req, MyException(), self.spider)
self.assertStatsEqual('downloader/exception_count', 1)
self.assertStatsEqual(
'downloader/exception_type_count/tests.test_downloadermiddleware_stats.MyException',
1)
def tearDown(self):
self.crawler.stats.close_spider(self.spider, '')
class TestDownloaderStats(TestCase):
def setUp(self):
self.crawler = get_crawler(Spider)
self.spider = self.crawler._create_spider('scrapytest.org')
self.mw = DownloaderStats(self.crawler.stats)
self.crawler.stats.open_spider(self.spider)
self.req = Request('http://scrapytest.org')
self.res = Response('scrapytest.org', status=400)
def assertStatsEqual(self, key, value):
self.assertEqual(
self.crawler.stats.get_value(key, spider=self.spider),
value,
str(self.crawler.stats.get_stats(self.spider))
)
def test_process_request(self):
self.mw.process_request(self.req, self.spider)
self.assertStatsEqual('downloader/request_count', 1)
def test_process_response(self):
self.mw.process_response(self.req, self.res, self.spider)
self.assertStatsEqual('downloader/response_count', 1)
def test_process_exception(self):
self.mw.process_exception(self.req, MyException(), self.spider)
self.assertStatsEqual('downloader/exception_count', 1)
self.assertStatsEqual(
'downloader/exception_type_count/tests.test_downloadermiddleware_stats.MyException',
1
)
def tearDown(self):
self.crawler.stats.close_spider(self.spider, '')