deb-python-falcon/tests/test_req_vars.py

553 lines
21 KiB
Python

import datetime
import ddt
import falcon
from falcon.request import Request
import falcon.testing as testing
@ddt.ddt
class TestReqVars(testing.TestBase):
def before(self):
self.qs = 'marker=deadbeef&limit=10'
self.headers = {
'Content-Type': 'text/plain',
'Content-Length': '4829',
'Authorization': ''
}
self.app = '/test'
self.path = '/hello'
self.relative_uri = self.path + '?' + self.qs
self.req = Request(testing.create_environ(
app=self.app,
port=8080,
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_host(self):
self.assertEqual(self.req.host, testing.DEFAULT_HOST)
def test_subdomain(self):
req = Request(testing.create_environ(
host='com',
path='/hello',
headers=self.headers))
self.assertIs(req.subdomain, None)
req = Request(testing.create_environ(
host='example.com',
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'example')
req = Request(testing.create_environ(
host='highwire.example.com',
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'highwire')
req = Request(testing.create_environ(
host='lb01.dfw01.example.com',
port=8080,
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'lb01')
# NOTE(kgriffs): Behavior for IP addresses is undefined,
# so just make sure it doesn't blow up.
req = Request(testing.create_environ(
host='127.0.0.1',
path='/hello',
headers=self.headers))
self.assertEqual(type(req.subdomain), str)
# NOTE(kgriffs): Test fallback to SERVER_NAME by using
# HTTP 1.0, which will cause .create_environ to not set
# HTTP_HOST.
req = Request(testing.create_environ(
protocol='HTTP/1.0',
host='example.com',
path='/hello',
headers=self.headers))
self.assertEqual(req.subdomain, 'example')
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
expected_uri = ''.join([scheme, '://', host, app, path,
'?', query_string])
self.assertEqual(expected_uri, req.uri)
def test_uri(self):
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
self.assertEqual(self.req.url, uri)
# NOTE(kgriffs): Call twice to check caching works
self.assertEqual(self.req.uri, uri)
self.assertEqual(self.req.uri, uri)
uri_noqs = ('http://' + testing.DEFAULT_HOST + self.app + self.path)
self.assertEqual(self.req_noqs.uri, uri_noqs)
def test_uri_http_1_0(self):
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=80,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
app=self.app,
port=8080,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('http://' + testing.DEFAULT_HOST + ':8080' +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=443,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
# =======================================================
# HTTP, 80
# =======================================================
req = Request(testing.create_environ(
protocol='HTTP/1.0',
scheme='https',
app=self.app,
port=22,
path='/hello',
query_string=self.qs,
headers=self.headers))
uri = ('https://' + testing.DEFAULT_HOST + ':22' +
self.app + self.relative_uri)
self.assertEqual(req.uri, uri)
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'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('application/xml'))
self.assertFalse(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
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/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('application/x-msgpack'))
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'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
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/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
headers = {'Accept': 'text/*,application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts('text/plain'))
self.assertTrue(req.client_accepts('application/xml'))
self.assertTrue(req.client_accepts('application/json'))
self.assertTrue(req.client_accepts('application/x-msgpack'))
def test_client_accepts_bogus(self):
headers = {'Accept': '~'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts('text/plain'))
self.assertFalse(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)
self.assertFalse(req.client_accepts_msgpack)
headers = {'Accept': 'application/*'}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
headers = {'Accept': 'application/json'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
self.assertFalse(req.client_accepts_msgpack)
headers = {'Accept': 'application/x-msgpack'}
req = Request(testing.create_environ(headers=headers))
self.assertFalse(req.client_accepts_xml)
self.assertFalse(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
headers = {
'Accept': 'application/json,application/xml,application/x-msgpack'
}
req = Request(testing.create_environ(headers=headers))
self.assertTrue(req.client_accepts_xml)
self.assertTrue(req.client_accepts_json)
self.assertTrue(req.client_accepts_msgpack)
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.assertRaises(falcon.HTTPInvalidHeader, lambda: req.range)
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': '-'}
expected_desc = ('The value provided for the Range header is '
'invalid. The byte offsets are missing.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
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'}
expected_desc = ('The value provided for the Range header is '
'invalid. It must be a byte range formatted '
'according to RFC 2616.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
headers = {'Range': 'bytes=0-0,-1'}
expected_desc = ('The value provided for the Range '
'header is invalid. The value must be a '
'continuous byte range.')
self._test_error_details(headers, 'range',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
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'}
expected_desc = ('The value provided for the '
'Content-Length header is invalid. The value '
'of the header must be a number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_bogus_content_length_neg(self):
headers = {'content-length': '-1'}
expected_desc = ('The value provided for the Content-Length '
'header is invalid. The value of the header '
'must be a positive number.')
self._test_error_details(headers, 'content_length',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
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)
@ddt.data('Thu, 04 Apr 2013', '')
def test_date_invalid(self, http_date):
headers = {'date': http_date}
expected_desc = ('The value provided for the Date '
'header is invalid. It must be formatted '
'according to RFC 1123.')
self._test_error_details(headers, 'date',
falcon.HTTPInvalidHeader,
'Invalid header value', expected_desc)
def test_date_missing(self):
req = Request(testing.create_environ())
self.assertIs(req.date, None)
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)
def _test_error_details(self, headers, attr_name,
error_type, title, description):
req = Request(testing.create_environ(headers=headers))
try:
getattr(req, attr_name)
self.fail('{0} not raised'.format(error_type.__name__))
except error_type as ex:
self.assertEqual(ex.title, title)
self.assertEqual(ex.description, description)