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import datetime
import falcon
from falcon.request import Request
import falcon.testing as testing
class TestReqVars(testing.TestBase):
def before(self):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Host': 'falcon.example.com',
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.uri = 'http://falcon.example.com' + self.app + self.relative_uri
self.uri_noqs = 'http://falcon.example.com' + self.app + self.path
self.req = Request(testing.create_environ(
app=self.app,
path='/hello',
query_string=self.qs,
headers=self.headers))
self.req_noqs = Request(testing.create_environ(
app=self.app,
path='/hello',
headers=self.headers))
def test_missing_qs(self):
env = testing.create_environ()
if 'QUERY_STRING' in env:
del env['QUERY_STRING']
# Should not cause an exception when Request is instantiated
Request(env)
def test_empty(self):
self.assertIs(self.req.auth, None)
def test_reconstruct_url(self):
req = self.req
scheme = req.protocol
host = req.get_header('host')
app = req.app
path = req.path
query_string = req.query_string
actual_url = ''.join([scheme, '://', host, app, path,
'?', query_string])
self.assertEqual(actual_url, self.uri)
def test_uri(self):
self.assertEqual(self.req.url, self.uri)
# NOTE(kgriffs): Call twice to check caching works
self.assertEqual(self.req.uri, self.uri)
self.assertEqual(self.req.uri, self.uri)
self.assertEqual(self.req_noqs.uri, self.uri_noqs)
def test_relative_uri(self):
self.assertEqual(self.req.relative_uri, self.app + self.relative_uri)
self.assertEqual(
self.req_noqs.relative_uri, self.app + self.path)
req_noapp = Request(testing.create_environ(
path='/hello',
query_string=self.qs,
headers=self.headers))
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
req_noapp = Request(testing.create_environ(
path='/hello/',
query_string=self.qs,
headers=self.headers))
# NOTE(kgriffs): Call twice to check caching works
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
self.assertEqual(req_noapp.relative_uri, self.relative_uri)
def test_client_accepts(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': '*/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {} # NOTE(kgriffs): Equivalent to '*/*' per RFC
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/xm'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/xml'))
headers = {'Accept': 'text/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertFalse(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*, application/xhtml+xml; q=0.0'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('text/csv'))
self.assertTrue(req.client_accepts('application/xhtml+xml'))
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
headers = {'Accept': 'text/*, application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/json'))
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/json'))
def test_client_accepts_props(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertFalse(req.client_accepts_json)
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
headers = {'Accept': 'application/json, application/xml'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
def test_client_prefers(self):
headers = {'Accept': 'application/xml'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xml'])
self.assertEqual(preferred_type, 'application/xml')
headers = {'Accept': '*/*'}
preferred_type = req.client_prefers(('application/xml',
'application/json'))
# NOTE(kgriffs): If client doesn't care, "preferr" the first one
self.assertEqual(preferred_type, 'application/xml')
headers = {'Accept': 'text/*; q=0.1, application/xhtml+xml; q=0.5'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEqual(preferred_type, 'application/xhtml+xml')
headers = {'Accept': '3p12845j;;;asfd;'}
req = Request(testing.create_environ(headers=headers))
preferred_type = req.client_prefers(['application/xhtml+xml'])
self.assertEqual(preferred_type, None)
def test_range(self):
headers = {'Range': '10-'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (10, -1))
headers = {'Range': '10-20'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (10, 20))
headers = {'Range': '-10240'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.range, (-10240, -1))
headers = {'Range': ''}
req = Request(testing.create_environ(headers=headers))
self.assertIs(req.range, None)
req = Request(testing.create_environ())
self.assertIs(req.range, None)
def test_range_invalid(self):
headers = {'Range': '10240'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '--'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3-4'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-3- '}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'fizbit'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'a-'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'a-3'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': '3-b'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'x-y'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
headers = {'Range': 'bytes=0-0,-1'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.range)
def test_missing_attribute_header(self):
req = Request(testing.create_environ())
self.assertEqual(req.range, None)
req = Request(testing.create_environ())
self.assertEqual(req.content_length, None)
def test_content_length(self):
headers = {'content-length': '5656'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.content_length, 5656)
headers = {'content-length': ''}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.content_length, None)
def test_bogus_content_length_nan(self):
headers = {'content-length': 'fuzzy-bunnies'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.content_length)
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.content_length)
def test_date(self):
date = datetime.datetime(2013, 4, 4, 5, 19, 18)
headers = {'date': 'Thu, 04 Apr 2013 05:19:18 GMT'}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(req.date, date)
def test_date_invalid(self):
headers = {'date': 'Thu, 04 Apr 2013'}
req = Request(testing.create_environ(headers=headers))
self.assertRaises(falcon.HTTPBadRequest, lambda: req.date)
def test_attribute_headers(self):
date = testing.httpnow()
hash = 'fa0d1a60ef6616bb28038515c8ea4cb2'
auth = 'HMAC_SHA1 c590afa9bb59191ffab30f223791e82d3fd3e3af'
agent = 'testing/1.0.1'
default_agent = 'curl/7.24.0 (x86_64-apple-darwin12.0)'
self._test_attribute_header('Accept', 'x-falcon', 'accept',
default='*/*')
self._test_attribute_header('Authorization', auth, 'auth')
self._test_attribute_header('Content-Type', 'text/plain',
'content_type')
self._test_attribute_header('Expect', '100-continue', 'expect')
self._test_attribute_header('If-Match', hash, 'if_match')
self._test_attribute_header('If-Modified-Since', date,
'if_modified_since')
self._test_attribute_header('If-None-Match', hash, 'if_none_match')
self._test_attribute_header('If-Range', hash, 'if_range')
self._test_attribute_header('If-Unmodified-Since', date,
'if_unmodified_since')
self._test_attribute_header('User-Agent', agent, 'user_agent',
default=default_agent)
def test_method(self):
self.assertEqual(self.req.method, 'GET')
self.req = Request(testing.create_environ(path='', method='HEAD'))
self.assertEqual(self.req.method, 'HEAD')
def test_empty_path(self):
self.req = Request(testing.create_environ(path=''))
self.assertEqual(self.req.path, '/')
def test_content_type_method(self):
self.assertEqual(self.req.get_header('content-type'), 'text/plain')
def test_content_length_method(self):
self.assertEqual(self.req.get_header('content-length'), '4829')
# -------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------
def _test_attribute_header(self, name, value, attr, default=None):
headers = {name: value}
req = Request(testing.create_environ(headers=headers))
self.assertEqual(getattr(req, attr), value)
req = Request(testing.create_environ())
self.assertEqual(getattr(req, attr), default)
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