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import ast
import re
import struct
from decimal import Decimal
from pprint import pprint
import pytest
from celery.utils.saferepr import saferepr
D_NUMBERS = {
b'integer': 1,
b'float': 1.3,
b'decimal': Decimal('1.3'),
b'long': 4,
b'complex': complex(13.3),
}
D_INT_KEYS = {v: k for k, v in D_NUMBERS.items()}
QUICK_BROWN_FOX = 'The quick brown fox jumps over the lazy dog.'
B_QUICK_BROWN_FOX = b'The quick brown fox jumps over the lazy dog.'
D_TEXT = {
b'foo': QUICK_BROWN_FOX,
b'bar': B_QUICK_BROWN_FOX,
b'baz': B_QUICK_BROWN_FOX,
b'xuzzy': B_QUICK_BROWN_FOX,
}
L_NUMBERS = list(D_NUMBERS.values())
D_TEXT_LARGE = {
b'bazxuzzyfoobarlongverylonglong': QUICK_BROWN_FOX * 30,
}
D_ALL = {
b'numbers': D_NUMBERS,
b'intkeys': D_INT_KEYS,
b'text': D_TEXT,
b'largetext': D_TEXT_LARGE,
}
D_D_TEXT = {b'rest': D_TEXT}
RE_OLD_SET_REPR = re.compile(r'(?<!frozen)set\([\[|\{](.+?)[\}\]]\)')
RE_OLD_SET_REPR_REPLACE = r'{\1}'
RE_OLD_SET_CUSTOM_REPR = re.compile(r'((?:frozen)?set\d?\()\[(.+?)\](\))')
RE_OLD_SET_CUSTOM_REPR_REPLACE = r'\1{\2}\3'
RE_EMPTY_SET_REPR = re.compile(r'((?:frozen)?set\d?)\(\[\]\)')
RE_EMPTY_SET_REPR_REPLACE = r'\1()'
RE_LONG_SUFFIX = re.compile(r'(\d)+L')
def old_repr(s):
return str(RE_LONG_SUFFIX.sub(
r'\1',
RE_EMPTY_SET_REPR.sub(
RE_EMPTY_SET_REPR_REPLACE,
RE_OLD_SET_REPR.sub(
RE_OLD_SET_REPR_REPLACE,
RE_OLD_SET_CUSTOM_REPR.sub(
RE_OLD_SET_CUSTOM_REPR_REPLACE,
repr(s).replace("u'", "'"),
)
),
),
)).replace('set([])', 'set()')
class list2(list):
pass
class list3(list):
def __repr__(self):
return super().__repr__()
class tuple2(tuple):
pass
class tuple3(tuple):
def __repr__(self):
return super().__repr__()
class set2(set):
pass
class set3(set):
def __repr__(self):
return super().__repr__()
class frozenset2(frozenset):
pass
class frozenset3(frozenset):
def __repr__(self):
return super().__repr__()
class dict2(dict):
pass
class dict3(dict):
def __repr__(self):
return super().__repr__()
class test_saferepr:
@pytest.mark.parametrize('value', list(D_NUMBERS.values()))
def test_safe_types(self, value):
assert saferepr(value) == old_repr(value)
def test_numbers_dict(self):
assert saferepr(D_NUMBERS) == old_repr(D_NUMBERS)
def test_numbers_list(self):
assert saferepr(L_NUMBERS) == old_repr(L_NUMBERS)
def test_numbers_keys(self):
assert saferepr(D_INT_KEYS) == old_repr(D_INT_KEYS)
def test_text(self):
assert saferepr(D_TEXT) == old_repr(D_TEXT).replace("u'", "'")
def test_text_maxlen(self):
assert saferepr(D_D_TEXT, 100).endswith("...', ...}}")
def test_maxlevels(self):
saferepr(D_ALL, maxlevels=1)
def test_recursion(self):
d = {1: 2, 3: {4: 5}}
d[3][6] = d
res = saferepr(d)
assert 'Recursion on' in res
@pytest.mark.parametrize('value', [
0, 0, 0 + 0j, 0.0, '', b'',
(), tuple2(), tuple3(),
[], list2(), list3(),
set(), set2(), set3(),
frozenset(), frozenset2(), frozenset3(),
{}, dict2(), dict3(),
test_recursion, pprint,
-6, -6, -6 - 6j, -1.5, 'x', b'x', (3,), [3], {3: 6},
(1, 2), [3, 4], {5: 6},
tuple2((1, 2)), tuple3((1, 2)), tuple3(range(100)),
[3, 4], list2([3, 4]), list3([3, 4]), list3(range(100)),
{7}, set2({7}), set3({7}),
frozenset({8}), frozenset2({8}), frozenset3({8}),
dict2({5: 6}), dict3({5: 6}),
range(10, -11, -1)
])
def test_same_as_repr(self, value):
# Simple objects, small containers, and classes that overwrite __repr__
# For those the result should be the same as repr().
# Ahem. The docs don't say anything about that -- this appears to
# be testing an implementation quirk. Starting in Python 2.5, it's
# not true for dicts: pprint always sorts dicts by key now; before,
# it sorted a dict display if and only if the display required
# multiple lines. For that reason, dicts with more than one element
# aren't tested here.
native = old_repr(value)
assert saferepr(value) == native
def test_single_quote(self):
val = {"foo's": "bar's"}
assert ast.literal_eval(saferepr(val)) == val
def test_unicode_bytes(self):
val = 'øystein'.encode()
assert saferepr(val) == "b'øystein'"
def test_unicode_bytes__long(self):
val = 'øystein'.encode() * 1024
assert saferepr(val, maxlen=128).endswith("...'")
def test_binary_bytes(self):
val = struct.pack('>QQQ', 12223, 1234, 3123)
if hasattr(bytes, 'hex'): # Python 3.5+
assert '2fbf' in saferepr(val, maxlen=128)
else: # Python 3.4
assert saferepr(val, maxlen=128)
def test_binary_bytes__long(self):
val = struct.pack('>QQQ', 12223, 1234, 3123) * 1024
result = saferepr(val, maxlen=128)
assert '2fbf' in result
assert result.endswith("...'")
def test_repr_raises(self):
class O:
def __repr__(self):
raise KeyError('foo')
assert 'Unrepresentable' in saferepr(O())
def test_bytes_with_unicode_py2_and_3(self):
assert saferepr([b'foo', 'a®rgs'.encode()])
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