def get_query_string(self, new_params=None, remove=None):
if new_params is None:
new_params = {}
if remove is None:
remove = []
p = self.params.copy()
for r in remove:
for k in list(p):
if k.startswith(r):
del p[k]
for k, v in new_params.items():
if v is None:
if k in p:
del p[k]
else:
p[k] = v
return "?%s" % urlencode(p)
def test_urlencode(self):
# 2-tuples (the norm)
result = http.urlencode((('a', 1), ('b', 2), ('c', 3)))
self.assertEqual(result, 'a=1&b=2&c=3')
# A dictionary
result = http.urlencode({ 'a': 1, 'b': 2, 'c': 3})
acceptable_results = [
# Need to allow all of these as dictionaries have to be treated as
# unordered
'a=1&b=2&c=3',
'a=1&c=3&b=2',
'b=2&a=1&c=3',
'b=2&c=3&a=1',
'c=3&a=1&b=2',
'c=3&b=2&a=1'
]
self.assertTrue(result in acceptable_results)
result = http.urlencode({'a': [1, 2]}, doseq=False)
self.assertEqual(result, 'a=%5B%271%27%2C+%272%27%5D')
result = http.urlencode({'a': [1, 2]}, doseq=True)
self.assertEqual(result, 'a=1&a=2')
result = http.urlencode({'a': []}, doseq=True)
self.assertEqual(result, '')
# A MultiValueDict
result = http.urlencode(MultiValueDict({
'name': ['Adrian', 'Simon'],
'position': ['Developer']
}), doseq=True)
acceptable_results = [
# MultiValueDicts are similarly unordered
'name=Adrian&name=Simon&position=Developer',
'position=Developer&name=Adrian&name=Simon'
]
self.assertTrue(result in acceptable_results)