/usr/lib/python3/dist-packages/werkzeug/testsuite/datastructures.py is in python3-werkzeug 0.9.4+dfsg-1.1ubuntu2.1.
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"""
werkzeug.testsuite.datastructures
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Tests the functionality of the provided Werkzeug
datastructures.
TODO:
- FileMultiDict
- Immutable types undertested
- Split up dict tests
:copyright: (c) 2013 by Armin Ronacher.
:license: BSD, see LICENSE for more details.
"""
from __future__ import with_statement
import unittest
import pickle
from contextlib import contextmanager
from copy import copy
from werkzeug import datastructures
from werkzeug._compat import iterkeys, itervalues, iteritems, iterlists, \
iterlistvalues, text_type
from werkzeug.testsuite import WerkzeugTestCase
from werkzeug.exceptions import BadRequestKeyError
class NativeItermethodsTestCase(WerkzeugTestCase):
def test_basic(self):
@datastructures.native_itermethods(['keys', 'values', 'items'])
class StupidDict(object):
def keys(self, multi=1):
return iter(['a', 'b', 'c'] * multi)
def values(self, multi=1):
return iter([1, 2, 3] * multi)
def items(self, multi=1):
return iter(zip(iterkeys(self, multi=multi),
itervalues(self, multi=multi)))
d = StupidDict()
expected_keys = ['a', 'b', 'c']
expected_values = [1, 2, 3]
expected_items = list(zip(expected_keys, expected_values))
self.assert_equal(list(iterkeys(d)), expected_keys)
self.assert_equal(list(itervalues(d)), expected_values)
self.assert_equal(list(iteritems(d)), expected_items)
self.assert_equal(list(iterkeys(d, 2)), expected_keys * 2)
self.assert_equal(list(itervalues(d, 2)), expected_values * 2)
self.assert_equal(list(iteritems(d, 2)), expected_items * 2)
class MutableMultiDictBaseTestCase(WerkzeugTestCase):
storage_class = None
def test_pickle(self):
cls = self.storage_class
for protocol in range(pickle.HIGHEST_PROTOCOL + 1):
d = cls()
d.setlist(b'foo', [1, 2, 3, 4])
d.setlist(b'bar', b'foo bar baz'.split())
s = pickle.dumps(d, protocol)
ud = pickle.loads(s)
self.assert_equal(type(ud), type(d))
self.assert_equal(ud, d)
self.assert_equal(pickle.loads(
s.replace(b'werkzeug.datastructures', b'werkzeug')), d)
ud[b'newkey'] = b'bla'
self.assert_not_equal(ud, d)
def test_basic_interface(self):
md = self.storage_class()
assert isinstance(md, dict)
mapping = [('a', 1), ('b', 2), ('a', 2), ('d', 3),
('a', 1), ('a', 3), ('d', 4), ('c', 3)]
md = self.storage_class(mapping)
# simple getitem gives the first value
self.assert_equal(md['a'], 1)
self.assert_equal(md['c'], 3)
with self.assert_raises(KeyError):
md['e']
self.assert_equal(md.get('a'), 1)
# list getitem
self.assert_equal(md.getlist('a'), [1, 2, 1, 3])
self.assert_equal(md.getlist('d'), [3, 4])
# do not raise if key not found
self.assert_equal(md.getlist('x'), [])
# simple setitem overwrites all values
md['a'] = 42
self.assert_equal(md.getlist('a'), [42])
# list setitem
md.setlist('a', [1, 2, 3])
self.assert_equal(md['a'], 1)
self.assert_equal(md.getlist('a'), [1, 2, 3])
# verify that it does not change original lists
l1 = [1, 2, 3]
md.setlist('a', l1)
del l1[:]
self.assert_equal(md['a'], 1)
# setdefault, setlistdefault
self.assert_equal(md.setdefault('u', 23), 23)
self.assert_equal(md.getlist('u'), [23])
del md['u']
md.setlist('u', [-1, -2])
# delitem
del md['u']
with self.assert_raises(KeyError):
md['u']
del md['d']
self.assert_equal(md.getlist('d'), [])
# keys, values, items, lists
self.assert_equal(list(sorted(md.keys())), ['a', 'b', 'c'])
self.assert_equal(list(sorted(iterkeys(md))), ['a', 'b', 'c'])
self.assert_equal(list(sorted(itervalues(md))), [1, 2, 3])
self.assert_equal(list(sorted(itervalues(md))), [1, 2, 3])
self.assert_equal(list(sorted(md.items())),
[('a', 1), ('b', 2), ('c', 3)])
self.assert_equal(list(sorted(md.items(multi=True))),
[('a', 1), ('a', 2), ('a', 3), ('b', 2), ('c', 3)])
self.assert_equal(list(sorted(iteritems(md))),
[('a', 1), ('b', 2), ('c', 3)])
self.assert_equal(list(sorted(iteritems(md, multi=True))),
[('a', 1), ('a', 2), ('a', 3), ('b', 2), ('c', 3)])
self.assert_equal(list(sorted(md.lists())),
[('a', [1, 2, 3]), ('b', [2]), ('c', [3])])
self.assert_equal(list(sorted(iterlists(md))),
[('a', [1, 2, 3]), ('b', [2]), ('c', [3])])
# copy method
c = md.copy()
self.assert_equal(c['a'], 1)
self.assert_equal(c.getlist('a'), [1, 2, 3])
# copy method 2
c = copy(md)
self.assert_equal(c['a'], 1)
self.assert_equal(c.getlist('a'), [1, 2, 3])
# update with a multidict
od = self.storage_class([('a', 4), ('a', 5), ('y', 0)])
md.update(od)
self.assert_equal(md.getlist('a'), [1, 2, 3, 4, 5])
self.assert_equal(md.getlist('y'), [0])
# update with a regular dict
md = c
od = {'a': 4, 'y': 0}
md.update(od)
self.assert_equal(md.getlist('a'), [1, 2, 3, 4])
self.assert_equal(md.getlist('y'), [0])
# pop, poplist, popitem, popitemlist
self.assert_equal(md.pop('y'), 0)
assert 'y' not in md
self.assert_equal(md.poplist('a'), [1, 2, 3, 4])
assert 'a' not in md
self.assert_equal(md.poplist('missing'), [])
# remaining: b=2, c=3
popped = md.popitem()
assert popped in [('b', 2), ('c', 3)]
popped = md.popitemlist()
assert popped in [('b', [2]), ('c', [3])]
# type conversion
md = self.storage_class({'a': '4', 'b': ['2', '3']})
self.assert_equal(md.get('a', type=int), 4)
self.assert_equal(md.getlist('b', type=int), [2, 3])
# repr
md = self.storage_class([('a', 1), ('a', 2), ('b', 3)])
assert "('a', 1)" in repr(md)
assert "('a', 2)" in repr(md)
assert "('b', 3)" in repr(md)
# add and getlist
md.add('c', '42')
md.add('c', '23')
self.assert_equal(md.getlist('c'), ['42', '23'])
md.add('c', 'blah')
self.assert_equal(md.getlist('c', type=int), [42, 23])
# setdefault
md = self.storage_class()
md.setdefault('x', []).append(42)
md.setdefault('x', []).append(23)
self.assert_equal(md['x'], [42, 23])
# to dict
md = self.storage_class()
md['foo'] = 42
md.add('bar', 1)
md.add('bar', 2)
self.assert_equal(md.to_dict(), {'foo': 42, 'bar': 1})
self.assert_equal(md.to_dict(flat=False), {'foo': [42], 'bar': [1, 2]})
# popitem from empty dict
with self.assert_raises(KeyError):
self.storage_class().popitem()
with self.assert_raises(KeyError):
self.storage_class().popitemlist()
# key errors are of a special type
with self.assert_raises(BadRequestKeyError):
self.storage_class()[42]
# setlist works
md = self.storage_class()
md['foo'] = 42
md.setlist('foo', [1, 2])
self.assert_equal(md.getlist('foo'), [1, 2])
class ImmutableDictBaseTestCase(WerkzeugTestCase):
storage_class = None
def test_follows_dict_interface(self):
cls = self.storage_class
data = {'foo': 1, 'bar': 2, 'baz': 3}
d = cls(data)
self.assert_equal(d['foo'], 1)
self.assert_equal(d['bar'], 2)
self.assert_equal(d['baz'], 3)
self.assert_equal(sorted(d.keys()), ['bar', 'baz', 'foo'])
self.assert_true('foo' in d)
self.assert_true('foox' not in d)
self.assert_equal(len(d), 3)
def test_copies_are_mutable(self):
cls = self.storage_class
immutable = cls({'a': 1})
with self.assert_raises(TypeError):
immutable.pop('a')
mutable = immutable.copy()
mutable.pop('a')
self.assert_true('a' in immutable)
self.assert_true(mutable is not immutable)
self.assert_true(copy(immutable) is immutable)
def test_dict_is_hashable(self):
cls = self.storage_class
immutable = cls({'a': 1, 'b': 2})
immutable2 = cls({'a': 2, 'b': 2})
x = set([immutable])
self.assert_true(immutable in x)
self.assert_true(immutable2 not in x)
x.discard(immutable)
self.assert_true(immutable not in x)
self.assert_true(immutable2 not in x)
x.add(immutable2)
self.assert_true(immutable not in x)
self.assert_true(immutable2 in x)
x.add(immutable)
self.assert_true(immutable in x)
self.assert_true(immutable2 in x)
class ImmutableTypeConversionDictTestCase(ImmutableDictBaseTestCase):
storage_class = datastructures.ImmutableTypeConversionDict
class ImmutableMultiDictTestCase(ImmutableDictBaseTestCase):
storage_class = datastructures.ImmutableMultiDict
def test_multidict_is_hashable(self):
cls = self.storage_class
immutable = cls({'a': [1, 2], 'b': 2})
immutable2 = cls({'a': [1], 'b': 2})
x = set([immutable])
self.assert_true(immutable in x)
self.assert_true(immutable2 not in x)
x.discard(immutable)
self.assert_true(immutable not in x)
self.assert_true(immutable2 not in x)
x.add(immutable2)
self.assert_true(immutable not in x)
self.assert_true(immutable2 in x)
x.add(immutable)
self.assert_true(immutable in x)
self.assert_true(immutable2 in x)
class ImmutableDictTestCase(ImmutableDictBaseTestCase):
storage_class = datastructures.ImmutableDict
class ImmutableOrderedMultiDictTestCase(ImmutableDictBaseTestCase):
storage_class = datastructures.ImmutableOrderedMultiDict
def test_ordered_multidict_is_hashable(self):
a = self.storage_class([('a', 1), ('b', 1), ('a', 2)])
b = self.storage_class([('a', 1), ('a', 2), ('b', 1)])
self.assert_not_equal(hash(a), hash(b))
class MultiDictTestCase(MutableMultiDictBaseTestCase):
storage_class = datastructures.MultiDict
def test_multidict_pop(self):
make_d = lambda: self.storage_class({'foo': [1, 2, 3, 4]})
d = make_d()
self.assert_equal(d.pop('foo'), 1)
assert not d
d = make_d()
self.assert_equal(d.pop('foo', 32), 1)
assert not d
d = make_d()
self.assert_equal(d.pop('foos', 32), 32)
assert d
with self.assert_raises(KeyError):
d.pop('foos')
def test_setlistdefault(self):
md = self.storage_class()
self.assert_equal(md.setlistdefault('u', [-1, -2]), [-1, -2])
self.assert_equal(md.getlist('u'), [-1, -2])
self.assert_equal(md['u'], -1)
def test_iter_interfaces(self):
mapping = [('a', 1), ('b', 2), ('a', 2), ('d', 3),
('a', 1), ('a', 3), ('d', 4), ('c', 3)]
md = self.storage_class(mapping)
self.assert_equal(list(zip(md.keys(), md.listvalues())),
list(md.lists()))
self.assert_equal(list(zip(md, iterlistvalues(md))),
list(iterlists(md)))
self.assert_equal(list(zip(iterkeys(md), iterlistvalues(md))),
list(iterlists(md)))
class OrderedMultiDictTestCase(MutableMultiDictBaseTestCase):
storage_class = datastructures.OrderedMultiDict
def test_ordered_interface(self):
cls = self.storage_class
d = cls()
assert not d
d.add('foo', 'bar')
self.assert_equal(len(d), 1)
d.add('foo', 'baz')
self.assert_equal(len(d), 1)
self.assert_equal(list(iteritems(d)), [('foo', 'bar')])
self.assert_equal(list(d), ['foo'])
self.assert_equal(list(iteritems(d, multi=True)),
[('foo', 'bar'), ('foo', 'baz')])
del d['foo']
assert not d
self.assert_equal(len(d), 0)
self.assert_equal(list(d), [])
d.update([('foo', 1), ('foo', 2), ('bar', 42)])
d.add('foo', 3)
self.assert_equal(d.getlist('foo'), [1, 2, 3])
self.assert_equal(d.getlist('bar'), [42])
self.assert_equal(list(iteritems(d)), [('foo', 1), ('bar', 42)])
expected = ['foo', 'bar']
self.assert_sequence_equal(list(d.keys()), expected)
self.assert_sequence_equal(list(d), expected)
self.assert_sequence_equal(list(iterkeys(d)), expected)
self.assert_equal(list(iteritems(d, multi=True)),
[('foo', 1), ('foo', 2), ('bar', 42), ('foo', 3)])
self.assert_equal(len(d), 2)
self.assert_equal(d.pop('foo'), 1)
assert d.pop('blafasel', None) is None
self.assert_equal(d.pop('blafasel', 42), 42)
self.assert_equal(len(d), 1)
self.assert_equal(d.poplist('bar'), [42])
assert not d
d.get('missingkey') is None
d.add('foo', 42)
d.add('foo', 23)
d.add('bar', 2)
d.add('foo', 42)
self.assert_equal(d, datastructures.MultiDict(d))
id = self.storage_class(d)
self.assert_equal(d, id)
d.add('foo', 2)
assert d != id
d.update({'blah': [1, 2, 3]})
self.assert_equal(d['blah'], 1)
self.assert_equal(d.getlist('blah'), [1, 2, 3])
# setlist works
d = self.storage_class()
d['foo'] = 42
d.setlist('foo', [1, 2])
self.assert_equal(d.getlist('foo'), [1, 2])
with self.assert_raises(BadRequestKeyError):
d.pop('missing')
with self.assert_raises(BadRequestKeyError):
d['missing']
# popping
d = self.storage_class()
d.add('foo', 23)
d.add('foo', 42)
d.add('foo', 1)
self.assert_equal(d.popitem(), ('foo', 23))
with self.assert_raises(BadRequestKeyError):
d.popitem()
assert not d
d.add('foo', 23)
d.add('foo', 42)
d.add('foo', 1)
self.assert_equal(d.popitemlist(), ('foo', [23, 42, 1]))
with self.assert_raises(BadRequestKeyError):
d.popitemlist()
def test_iterables(self):
a = datastructures.MultiDict((("key_a", "value_a"),))
b = datastructures.MultiDict((("key_b", "value_b"),))
ab = datastructures.CombinedMultiDict((a,b))
self.assert_equal(sorted(ab.lists()), [('key_a', ['value_a']), ('key_b', ['value_b'])])
self.assert_equal(sorted(ab.listvalues()), [['value_a'], ['value_b']])
self.assert_equal(sorted(ab.keys()), ["key_a", "key_b"])
self.assert_equal(sorted(iterlists(ab)), [('key_a', ['value_a']), ('key_b', ['value_b'])])
self.assert_equal(sorted(iterlistvalues(ab)), [['value_a'], ['value_b']])
self.assert_equal(sorted(iterkeys(ab)), ["key_a", "key_b"])
class CombinedMultiDictTestCase(WerkzeugTestCase):
storage_class = datastructures.CombinedMultiDict
def test_basic_interface(self):
d1 = datastructures.MultiDict([('foo', '1')])
d2 = datastructures.MultiDict([('bar', '2'), ('bar', '3')])
d = self.storage_class([d1, d2])
# lookup
self.assert_equal(d['foo'], '1')
self.assert_equal(d['bar'], '2')
self.assert_equal(d.getlist('bar'), ['2', '3'])
self.assert_equal(sorted(d.items()),
[('bar', '2'), ('foo', '1')])
self.assert_equal(sorted(d.items(multi=True)),
[('bar', '2'), ('bar', '3'), ('foo', '1')])
assert 'missingkey' not in d
assert 'foo' in d
# type lookup
self.assert_equal(d.get('foo', type=int), 1)
self.assert_equal(d.getlist('bar', type=int), [2, 3])
# get key errors for missing stuff
with self.assert_raises(KeyError):
d['missing']
# make sure that they are immutable
with self.assert_raises(TypeError):
d['foo'] = 'blub'
# copies are immutable
d = d.copy()
with self.assert_raises(TypeError):
d['foo'] = 'blub'
# make sure lists merges
md1 = datastructures.MultiDict((("foo", "bar"),))
md2 = datastructures.MultiDict((("foo", "blafasel"),))
x = self.storage_class((md1, md2))
self.assert_equal(list(iterlists(x)), [('foo', ['bar', 'blafasel'])])
class HeadersTestCase(WerkzeugTestCase):
storage_class = datastructures.Headers
def test_basic_interface(self):
headers = self.storage_class()
headers.add('Content-Type', 'text/plain')
headers.add('X-Foo', 'bar')
assert 'x-Foo' in headers
assert 'Content-type' in headers
headers['Content-Type'] = 'foo/bar'
self.assert_equal(headers['Content-Type'], 'foo/bar')
self.assert_equal(len(headers.getlist('Content-Type')), 1)
# list conversion
self.assert_equal(headers.to_wsgi_list(), [
('Content-Type', 'foo/bar'),
('X-Foo', 'bar')
])
self.assert_equal(str(headers), (
"Content-Type: foo/bar\r\n"
"X-Foo: bar\r\n"
"\r\n"))
self.assert_equal(str(self.storage_class()), "\r\n")
# extended add
headers.add('Content-Disposition', 'attachment', filename='foo')
self.assert_equal(headers['Content-Disposition'],
'attachment; filename=foo')
headers.add('x', 'y', z='"')
self.assert_equal(headers['x'], r'y; z="\""')
def test_defaults_and_conversion(self):
# defaults
headers = self.storage_class([
('Content-Type', 'text/plain'),
('X-Foo', 'bar'),
('X-Bar', '1'),
('X-Bar', '2')
])
self.assert_equal(headers.getlist('x-bar'), ['1', '2'])
self.assert_equal(headers.get('x-Bar'), '1')
self.assert_equal(headers.get('Content-Type'), 'text/plain')
self.assert_equal(headers.setdefault('X-Foo', 'nope'), 'bar')
self.assert_equal(headers.setdefault('X-Bar', 'nope'), '1')
self.assert_equal(headers.setdefault('X-Baz', 'quux'), 'quux')
self.assert_equal(headers.setdefault('X-Baz', 'nope'), 'quux')
headers.pop('X-Baz')
# type conversion
self.assert_equal(headers.get('x-bar', type=int), 1)
self.assert_equal(headers.getlist('x-bar', type=int), [1, 2])
# list like operations
self.assert_equal(headers[0], ('Content-Type', 'text/plain'))
self.assert_equal(headers[:1], self.storage_class([('Content-Type', 'text/plain')]))
del headers[:2]
del headers[-1]
self.assert_equal(headers, self.storage_class([('X-Bar', '1')]))
def test_copying(self):
a = self.storage_class([('foo', 'bar')])
b = a.copy()
a.add('foo', 'baz')
self.assert_equal(a.getlist('foo'), ['bar', 'baz'])
self.assert_equal(b.getlist('foo'), ['bar'])
def test_popping(self):
headers = self.storage_class([('a', 1)])
self.assert_equal(headers.pop('a'), 1)
self.assert_equal(headers.pop('b', 2), 2)
with self.assert_raises(KeyError):
headers.pop('c')
def test_set_arguments(self):
a = self.storage_class()
a.set('Content-Disposition', 'useless')
a.set('Content-Disposition', 'attachment', filename='foo')
self.assert_equal(a['Content-Disposition'], 'attachment; filename=foo')
def test_reject_newlines(self):
h = self.storage_class()
for variation in 'foo\nbar', 'foo\r\nbar', 'foo\rbar':
with self.assert_raises(ValueError):
h['foo'] = variation
with self.assert_raises(ValueError):
h.add('foo', variation)
with self.assert_raises(ValueError):
h.add('foo', 'test', option=variation)
with self.assert_raises(ValueError):
h.set('foo', variation)
with self.assert_raises(ValueError):
h.set('foo', 'test', option=variation)
def test_slicing(self):
# there's nothing wrong with these being native strings
# Headers doesn't care about the data types
h = self.storage_class()
h.set('X-Foo-Poo', 'bleh')
h.set('Content-Type', 'application/whocares')
h.set('X-Forwarded-For', '192.168.0.123')
h[:] = [(k, v) for k, v in h if k.startswith(u'X-')]
self.assert_equal(list(h), [
('X-Foo-Poo', 'bleh'),
('X-Forwarded-For', '192.168.0.123')
])
def test_bytes_operations(self):
h = self.storage_class()
h.set('X-Foo-Poo', 'bleh')
h.set('X-Whoops', b'\xff')
self.assert_equal(h.get('x-foo-poo', as_bytes=True), b'bleh')
self.assert_equal(h.get('x-whoops', as_bytes=True), b'\xff')
class EnvironHeadersTestCase(WerkzeugTestCase):
storage_class = datastructures.EnvironHeaders
def test_basic_interface(self):
# this happens in multiple WSGI servers because they
# use a vary naive way to convert the headers;
broken_env = {
'HTTP_CONTENT_TYPE': 'text/html',
'CONTENT_TYPE': 'text/html',
'HTTP_CONTENT_LENGTH': '0',
'CONTENT_LENGTH': '0',
'HTTP_ACCEPT': '*',
'wsgi.version': (1, 0)
}
headers = self.storage_class(broken_env)
assert headers
self.assert_equal(len(headers), 3)
self.assert_equal(sorted(headers), [
('Accept', '*'),
('Content-Length', '0'),
('Content-Type', 'text/html')
])
assert not self.storage_class({'wsgi.version': (1, 0)})
self.assert_equal(len(self.storage_class({'wsgi.version': (1, 0)})), 0)
def test_return_type_is_unicode(self):
# environ contains native strings; we return unicode
headers = self.storage_class({
'HTTP_FOO': '\xe2\x9c\x93',
'CONTENT_TYPE': 'text/plain',
})
self.assert_equal(headers['Foo'], u"\xe2\x9c\x93")
assert isinstance(headers['Foo'], text_type)
assert isinstance(headers['Content-Type'], text_type)
iter_output = dict(iter(headers))
self.assert_equal(iter_output['Foo'], u"\xe2\x9c\x93")
assert isinstance(iter_output['Foo'], text_type)
assert isinstance(iter_output['Content-Type'], text_type)
def test_bytes_operations(self):
foo_val = '\xff'
h = self.storage_class({
'HTTP_X_FOO': foo_val
})
self.assert_equal(h.get('x-foo', as_bytes=True), b'\xff')
self.assert_equal(h.get('x-foo'), u'\xff')
class HeaderSetTestCase(WerkzeugTestCase):
storage_class = datastructures.HeaderSet
def test_basic_interface(self):
hs = self.storage_class()
hs.add('foo')
hs.add('bar')
assert 'Bar' in hs
self.assert_equal(hs.find('foo'), 0)
self.assert_equal(hs.find('BAR'), 1)
assert hs.find('baz') < 0
hs.discard('missing')
hs.discard('foo')
assert hs.find('foo') < 0
self.assert_equal(hs.find('bar'), 0)
with self.assert_raises(IndexError):
hs.index('missing')
self.assert_equal(hs.index('bar'), 0)
assert hs
hs.clear()
assert not hs
class ImmutableListTestCase(WerkzeugTestCase):
storage_class = datastructures.ImmutableList
def test_list_hashable(self):
t = (1, 2, 3, 4)
l = self.storage_class(t)
self.assert_equal(hash(t), hash(l))
self.assert_not_equal(t, l)
def make_call_asserter(assert_equal_func, func=None):
"""Utility to assert a certain number of function calls.
>>> assert_calls, func = make_call_asserter(self.assert_equal)
>>> with assert_calls(2):
func()
func()
"""
calls = [0]
@contextmanager
def asserter(count, msg=None):
calls[0] = 0
yield
assert_equal_func(calls[0], count, msg)
def wrapped(*args, **kwargs):
calls[0] += 1
if func is not None:
return func(*args, **kwargs)
return asserter, wrapped
class CallbackDictTestCase(WerkzeugTestCase):
storage_class = datastructures.CallbackDict
def test_callback_dict_reads(self):
assert_calls, func = make_call_asserter(self.assert_equal)
initial = {'a': 'foo', 'b': 'bar'}
dct = self.storage_class(initial=initial, on_update=func)
with assert_calls(0, 'callback triggered by read-only method'):
# read-only methods
dct['a']
dct.get('a')
self.assert_raises(KeyError, lambda: dct['x'])
'a' in dct
list(iter(dct))
dct.copy()
with assert_calls(0, 'callback triggered without modification'):
# methods that may write but don't
dct.pop('z', None)
dct.setdefault('a')
def test_callback_dict_writes(self):
assert_calls, func = make_call_asserter(self.assert_equal)
initial = {'a': 'foo', 'b': 'bar'}
dct = self.storage_class(initial=initial, on_update=func)
with assert_calls(8, 'callback not triggered by write method'):
# always-write methods
dct['z'] = 123
dct['z'] = 123 # must trigger again
del dct['z']
dct.pop('b', None)
dct.setdefault('x')
dct.popitem()
dct.update([])
dct.clear()
with assert_calls(0, 'callback triggered by failed del'):
self.assert_raises(KeyError, lambda: dct.__delitem__('x'))
with assert_calls(0, 'callback triggered by failed pop'):
self.assert_raises(KeyError, lambda: dct.pop('x'))
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(MultiDictTestCase))
suite.addTest(unittest.makeSuite(OrderedMultiDictTestCase))
suite.addTest(unittest.makeSuite(CombinedMultiDictTestCase))
suite.addTest(unittest.makeSuite(ImmutableTypeConversionDictTestCase))
suite.addTest(unittest.makeSuite(ImmutableMultiDictTestCase))
suite.addTest(unittest.makeSuite(ImmutableDictTestCase))
suite.addTest(unittest.makeSuite(ImmutableOrderedMultiDictTestCase))
suite.addTest(unittest.makeSuite(HeadersTestCase))
suite.addTest(unittest.makeSuite(EnvironHeadersTestCase))
suite.addTest(unittest.makeSuite(HeaderSetTestCase))
suite.addTest(unittest.makeSuite(NativeItermethodsTestCase))
suite.addTest(unittest.makeSuite(CallbackDictTestCase))
return suite
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