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Diffstat (limited to 'cherrypy/test/test_caching.py')
| -rwxr-xr-x | cherrypy/test/test_caching.py | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/cherrypy/test/test_caching.py b/cherrypy/test/test_caching.py deleted file mode 100755 index 720a933..0000000 --- a/cherrypy/test/test_caching.py +++ /dev/null @@ -1,329 +0,0 @@ -import datetime -import gzip -from itertools import count -import os -curdir = os.path.join(os.getcwd(), os.path.dirname(__file__)) -import sys -import threading -import time -import urllib - -import cherrypy -from cherrypy._cpcompat import next, ntob, quote, xrange -from cherrypy.lib import httputil - -gif_bytes = ntob('GIF89a\x01\x00\x01\x00\x82\x00\x01\x99"\x1e\x00\x00\x00\x00\x00' - '\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' - '\x00,\x00\x00\x00\x00\x01\x00\x01\x00\x02\x03\x02\x08\t\x00;') - - - -from cherrypy.test import helper - -class CacheTest(helper.CPWebCase): - - def setup_server(): - - class Root: - - _cp_config = {'tools.caching.on': True} - - def __init__(self): - self.counter = 0 - self.control_counter = 0 - self.longlock = threading.Lock() - - def index(self): - self.counter += 1 - msg = "visit #%s" % self.counter - return msg - index.exposed = True - - def control(self): - self.control_counter += 1 - return "visit #%s" % self.control_counter - control.exposed = True - - def a_gif(self): - cherrypy.response.headers['Last-Modified'] = httputil.HTTPDate() - return gif_bytes - a_gif.exposed = True - - def long_process(self, seconds='1'): - try: - self.longlock.acquire() - time.sleep(float(seconds)) - finally: - self.longlock.release() - return 'success!' - long_process.exposed = True - - def clear_cache(self, path): - cherrypy._cache.store[cherrypy.request.base + path].clear() - clear_cache.exposed = True - - class VaryHeaderCachingServer(object): - - _cp_config = {'tools.caching.on': True, - 'tools.response_headers.on': True, - 'tools.response_headers.headers': [('Vary', 'Our-Varying-Header')], - } - - def __init__(self): - self.counter = count(1) - - def index(self): - return "visit #%s" % next(self.counter) - index.exposed = True - - class UnCached(object): - _cp_config = {'tools.expires.on': True, - 'tools.expires.secs': 60, - 'tools.staticdir.on': True, - 'tools.staticdir.dir': 'static', - 'tools.staticdir.root': curdir, - } - - def force(self): - cherrypy.response.headers['Etag'] = 'bibbitybobbityboo' - self._cp_config['tools.expires.force'] = True - self._cp_config['tools.expires.secs'] = 0 - return "being forceful" - force.exposed = True - force._cp_config = {'tools.expires.secs': 0} - - def dynamic(self): - cherrypy.response.headers['Etag'] = 'bibbitybobbityboo' - cherrypy.response.headers['Cache-Control'] = 'private' - return "D-d-d-dynamic!" - dynamic.exposed = True - - def cacheable(self): - cherrypy.response.headers['Etag'] = 'bibbitybobbityboo' - return "Hi, I'm cacheable." - cacheable.exposed = True - - def specific(self): - cherrypy.response.headers['Etag'] = 'need_this_to_make_me_cacheable' - return "I am being specific" - specific.exposed = True - specific._cp_config = {'tools.expires.secs': 86400} - - class Foo(object):pass - - def wrongtype(self): - cherrypy.response.headers['Etag'] = 'need_this_to_make_me_cacheable' - return "Woops" - wrongtype.exposed = True - wrongtype._cp_config = {'tools.expires.secs': Foo()} - - cherrypy.tree.mount(Root()) - cherrypy.tree.mount(UnCached(), "/expires") - cherrypy.tree.mount(VaryHeaderCachingServer(), "/varying_headers") - cherrypy.config.update({'tools.gzip.on': True}) - setup_server = staticmethod(setup_server) - - def testCaching(self): - elapsed = 0.0 - for trial in range(10): - self.getPage("/") - # The response should be the same every time, - # except for the Age response header. - self.assertBody('visit #1') - if trial != 0: - age = int(self.assertHeader("Age")) - self.assert_(age >= elapsed) - elapsed = age - - # POST, PUT, DELETE should not be cached. - self.getPage("/", method="POST") - self.assertBody('visit #2') - # Because gzip is turned on, the Vary header should always Vary for content-encoding - self.assertHeader('Vary', 'Accept-Encoding') - # The previous request should have invalidated the cache, - # so this request will recalc the response. - self.getPage("/", method="GET") - self.assertBody('visit #3') - # ...but this request should get the cached copy. - self.getPage("/", method="GET") - self.assertBody('visit #3') - self.getPage("/", method="DELETE") - self.assertBody('visit #4') - - # The previous request should have invalidated the cache, - # so this request will recalc the response. - self.getPage("/", method="GET", headers=[('Accept-Encoding', 'gzip')]) - self.assertHeader('Content-Encoding', 'gzip') - self.assertHeader('Vary') - self.assertEqual(cherrypy.lib.encoding.decompress(self.body), ntob("visit #5")) - - # Now check that a second request gets the gzip header and gzipped body - # This also tests a bug in 3.0 to 3.0.2 whereby the cached, gzipped - # response body was being gzipped a second time. - self.getPage("/", method="GET", headers=[('Accept-Encoding', 'gzip')]) - self.assertHeader('Content-Encoding', 'gzip') - self.assertEqual(cherrypy.lib.encoding.decompress(self.body), ntob("visit #5")) - - # Now check that a third request that doesn't accept gzip - # skips the cache (because the 'Vary' header denies it). - self.getPage("/", method="GET") - self.assertNoHeader('Content-Encoding') - self.assertBody('visit #6') - - def testVaryHeader(self): - self.getPage("/varying_headers/") - self.assertStatus("200 OK") - self.assertHeaderItemValue('Vary', 'Our-Varying-Header') - self.assertBody('visit #1') - - # Now check that different 'Vary'-fields don't evict each other. - # This test creates 2 requests with different 'Our-Varying-Header' - # and then tests if the first one still exists. - self.getPage("/varying_headers/", headers=[('Our-Varying-Header', 'request 2')]) - self.assertStatus("200 OK") - self.assertBody('visit #2') - - self.getPage("/varying_headers/", headers=[('Our-Varying-Header', 'request 2')]) - self.assertStatus("200 OK") - self.assertBody('visit #2') - - self.getPage("/varying_headers/") - self.assertStatus("200 OK") - self.assertBody('visit #1') - - def testExpiresTool(self): - # test setting an expires header - self.getPage("/expires/specific") - self.assertStatus("200 OK") - self.assertHeader("Expires") - - # test exceptions for bad time values - self.getPage("/expires/wrongtype") - self.assertStatus(500) - self.assertInBody("TypeError") - - # static content should not have "cache prevention" headers - self.getPage("/expires/index.html") - self.assertStatus("200 OK") - self.assertNoHeader("Pragma") - self.assertNoHeader("Cache-Control") - self.assertHeader("Expires") - - # dynamic content that sets indicators should not have - # "cache prevention" headers - self.getPage("/expires/cacheable") - self.assertStatus("200 OK") - self.assertNoHeader("Pragma") - self.assertNoHeader("Cache-Control") - self.assertHeader("Expires") - - self.getPage('/expires/dynamic') - self.assertBody("D-d-d-dynamic!") - # the Cache-Control header should be untouched - self.assertHeader("Cache-Control", "private") - self.assertHeader("Expires") - - # configure the tool to ignore indicators and replace existing headers - self.getPage("/expires/force") - self.assertStatus("200 OK") - # This also gives us a chance to test 0 expiry with no other headers - self.assertHeader("Pragma", "no-cache") - if cherrypy.server.protocol_version == "HTTP/1.1": - self.assertHeader("Cache-Control", "no-cache, must-revalidate") - self.assertHeader("Expires", "Sun, 28 Jan 2007 00:00:00 GMT") - - # static content should now have "cache prevention" headers - self.getPage("/expires/index.html") - self.assertStatus("200 OK") - self.assertHeader("Pragma", "no-cache") - if cherrypy.server.protocol_version == "HTTP/1.1": - self.assertHeader("Cache-Control", "no-cache, must-revalidate") - self.assertHeader("Expires", "Sun, 28 Jan 2007 00:00:00 GMT") - - # the cacheable handler should now have "cache prevention" headers - self.getPage("/expires/cacheable") - self.assertStatus("200 OK") - self.assertHeader("Pragma", "no-cache") - if cherrypy.server.protocol_version == "HTTP/1.1": - self.assertHeader("Cache-Control", "no-cache, must-revalidate") - self.assertHeader("Expires", "Sun, 28 Jan 2007 00:00:00 GMT") - - self.getPage('/expires/dynamic') - self.assertBody("D-d-d-dynamic!") - # dynamic sets Cache-Control to private but it should be - # overwritten here ... - self.assertHeader("Pragma", "no-cache") - if cherrypy.server.protocol_version == "HTTP/1.1": - self.assertHeader("Cache-Control", "no-cache, must-revalidate") - self.assertHeader("Expires", "Sun, 28 Jan 2007 00:00:00 GMT") - - def testLastModified(self): - self.getPage("/a.gif") - self.assertStatus(200) - self.assertBody(gif_bytes) - lm1 = self.assertHeader("Last-Modified") - - # this request should get the cached copy. - self.getPage("/a.gif") - self.assertStatus(200) - self.assertBody(gif_bytes) - self.assertHeader("Age") - lm2 = self.assertHeader("Last-Modified") - self.assertEqual(lm1, lm2) - - # this request should match the cached copy, but raise 304. - self.getPage("/a.gif", [('If-Modified-Since', lm1)]) - self.assertStatus(304) - self.assertNoHeader("Last-Modified") - if not getattr(cherrypy.server, "using_apache", False): - self.assertHeader("Age") - - def test_antistampede(self): - SECONDS = 4 - # We MUST make an initial synchronous request in order to create the - # AntiStampedeCache object, and populate its selecting_headers, - # before the actual stampede. - self.getPage("/long_process?seconds=%d" % SECONDS) - self.assertBody('success!') - self.getPage("/clear_cache?path=" + - quote('/long_process?seconds=%d' % SECONDS, safe='')) - self.assertStatus(200) - sys.stdout.write("prepped... ") - sys.stdout.flush() - - start = datetime.datetime.now() - def run(): - self.getPage("/long_process?seconds=%d" % SECONDS) - # The response should be the same every time - self.assertBody('success!') - ts = [threading.Thread(target=run) for i in xrange(100)] - for t in ts: - t.start() - for t in ts: - t.join() - self.assertEqualDates(start, datetime.datetime.now(), - # Allow a second for our thread/TCP overhead etc. - seconds=SECONDS + 1.1) - - def test_cache_control(self): - self.getPage("/control") - self.assertBody('visit #1') - self.getPage("/control") - self.assertBody('visit #1') - - self.getPage("/control", headers=[('Cache-Control', 'no-cache')]) - self.assertBody('visit #2') - self.getPage("/control") - self.assertBody('visit #2') - - self.getPage("/control", headers=[('Pragma', 'no-cache')]) - self.assertBody('visit #3') - self.getPage("/control") - self.assertBody('visit #3') - - time.sleep(1) - self.getPage("/control", headers=[('Cache-Control', 'max-age=0')]) - self.assertBody('visit #4') - self.getPage("/control") - self.assertBody('visit #4') - |