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from tests.declarativeunittest import *
from construct import *
from construct.lib import *
def test_getitem():
c = Container(a=1)
assert c["a"] == 1
assert c.a == 1
assert raises(lambda: c.unknownkey) == AttributeError
assert raises(lambda: c["unknownkey"]) == KeyError
def test_setitem():
c = Container()
c.a = 1
assert c["a"] == 1
assert c.a == 1
c["a"] = 2
assert c["a"] == 2
assert c.a == 2
def test_delitem():
c = Container(a=1, b=2)
del c.a
assert "a" not in c
assert raises(lambda: c.a) == AttributeError
assert raises(lambda: c["a"]) == KeyError
del c["b"]
assert "b" not in c
assert raises(lambda: c.b) == AttributeError
assert raises(lambda: c["b"]) == KeyError
assert c == Container()
assert list(c) == []
def test_ctor_empty():
c = Container()
assert len(c) == 0
assert list(c.items()) == []
assert c == Container()
assert c == Container(c)
assert c == Container({})
assert c == Container([])
def test_ctor_chained():
c = Container(a=1, b=2, c=3, d=4)
assert c == Container(c)
def test_ctor_dict():
c = Container(a=1, b=2, c=3, d=4)
c = Container(c)
assert len(c) == 4
assert list(c.items()) == [('a',1),('b',2),('c',3),('d',4)]
def test_ctor_seqoftuples():
c = Container([('a',1),('b',2),('c',3),('d',4)])
assert len(c) == 4
assert list(c.items()) == [('a',1),('b',2),('c',3),('d',4)]
def test_ctor_orderedkw():
c = Container(a=1, b=2, c=3, d=4)
d = Container(a=1, b=2, c=3, d=4)
assert c == d
assert len(c) == len(d)
assert list(c.items()) == list(d.items())
def test_keys():
c = Container(a=1, b=2, c=3, d=4)
assert list(c.keys()) == ["a","b","c","d"]
def test_values():
c = Container(a=1, b=2, c=3, d=4)
assert list(c.values()) == [1,2,3,4]
def test_items():
c = Container(a=1, b=2, c=3, d=4)
assert list(c.items()) == [("a",1),("b",2),("c",3),("d",4)]
def test_iter():
c = Container(a=1, b=2, c=3, d=4)
assert list(c) == list(c.keys())
def test_clear():
c = Container(a=1, b=2, c=3, d=4)
c.clear()
assert c == Container()
assert list(c.items()) == []
def test_pop():
c = Container(a=1, b=2, c=3, d=4)
assert c.pop("b") == 2
assert c.pop("d") == 4
assert c.pop("a") == 1
assert c.pop("c") == 3
assert raises(c.pop, "missing") == KeyError
assert c == Container()
def test_popitem():
c = Container(a=1, b=2, c=3, d=4)
assert c.popitem() == ("d",4)
assert c.popitem() == ("c",3)
assert c.popitem() == ("b",2)
assert c.popitem() == ("a",1)
assert raises(c.popitem) == KeyError
def test_update_dict():
c = Container(a=1, b=2, c=3, d=4)
d = Container()
d.update(c)
assert d.a == 1
assert d.b == 2
assert d.c == 3
assert d.d == 4
assert c == d
assert list(c.items()) == list(d.items())
def test_update_seqoftuples():
c = Container(a=1, b=2, c=3, d=4)
d = Container()
d.update([("a",1),("b",2),("c",3),("d",4)])
assert d.a == 1
assert d.b == 2
assert d.c == 3
assert d.d == 4
assert c == d
assert list(c.items()) == list(d.items())
def test_copy_method():
c = Container(a=1)
d = c.copy()
assert c == d
assert c is not d
def test_copy():
from copy import copy, deepcopy
c = Container(a=1)
d = copy(c)
assert c == d
assert c is not d
def test_deepcopy():
from copy import copy, deepcopy
c = Container(a=1)
d = deepcopy(c)
d.a = 2
assert c != d
assert c is not d
def test_pickling():
import pickle
empty = Container()
empty_unpickled = pickle.loads(pickle.dumps(empty))
assert empty_unpickled == empty
nested = Container(a=1,b=Container(),c=3,d=Container(e=4))
nested_unpickled = pickle.loads(pickle.dumps(nested))
assert nested_unpickled == nested
def test_eq_issue_818():
c = Container(a=1, b=2, c=3, d=4, e=5)
d = Container(a=1, b=2, c=3, d=4, e=5)
assert c == c
assert d == d
assert c == d
assert d == c
a = Container(a=1,b=2)
b = Container(a=1,b=2,c=3)
assert not a == b
assert not b == a
# c contains internal '_io' field, which shouldn't be considered in the comparison
c = Struct('a' / Int8ul).parse(b'\x01')
d = {'a': 1}
assert c == d
assert d == c
def test_eq_numpy():
import numpy
c = Container(arr=numpy.zeros(10, dtype=numpy.uint8))
d = Container(arr=numpy.zeros(10, dtype=numpy.uint8))
assert c == d
def test_ne_issue_818():
c = Container(a=1, b=2, c=3)
d = Container(a=1, b=2, c=3, d=4, e=5)
assert c != d
assert d != c
def test_str_repr_empty():
c = Container()
assert str(c) == "Container: "
assert repr(c) == "Container()"
assert eval(repr(c)) == c
def test_str_repr():
c = Container(a=1, b=2, c=3)
assert str(c) == "Container: \n a = 1\n b = 2\n c = 3"
assert repr(c) == "Container(a=1, b=2, c=3)"
assert eval(repr(c)) == c
def test_str_repr_nested():
c = Container(a=1,b=2,c=Container())
assert str(c) == "Container: \n a = 1\n b = 2\n c = Container: "
assert repr(c) == "Container(a=1, b=2, c=Container())"
assert eval(repr(c)) == c
def test_str_repr_recursive():
c = Container(a=1,b=2)
c.c = c
assert str(c) == "Container: \n a = 1\n b = 2\n c = <recursion detected>"
assert repr(c) == "Container(a=1, b=2, c=<recursion detected>)"
def test_fullstrings():
setGlobalPrintFullStrings(True)
c = Container(data=b"1234567890")
assert str(c) == "Container: \n data = b'1234567890' (total 10)"
assert repr(c) == "Container(data=b'1234567890')"
c = Container(data=u"1234567890")
assert str(c) == "Container: \n data = u'1234567890' (total 10)"
assert repr(c) == "Container(data=u'1234567890')"
c = Container(data=b"1234567890123456789012345678901234567890")
assert str(c) == "Container: \n data = b'1234567890123456789012345678901234567890' (total 40)"
assert repr(c) == "Container(data=b'1234567890123456789012345678901234567890')"
c = Container(data=u"1234567890123456789012345678901234567890")
assert str(c) == "Container: \n data = u'1234567890123456789012345678901234567890' (total 40)"
assert repr(c) == "Container(data=u'1234567890123456789012345678901234567890')"
setGlobalPrintFullStrings(False)
c = Container(data=b"1234567890")
assert str(c) == "Container: \n data = b'1234567890' (total 10)"
assert repr(c) == "Container(data=b'1234567890')"
c = Container(data=u"1234567890")
assert str(c) == "Container: \n data = u'1234567890' (total 10)"
assert repr(c) == "Container(data=u'1234567890')"
c = Container(data=b"1234567890123456789012345678901234567890")
assert str(c) == "Container: \n data = b'1234567890123456'... (truncated, total 40)"
assert repr(c) == "Container(data=b'1234567890123456789012345678901234567890')"
c = Container(data=u"1234567890123456789012345678901234567890")
assert str(c) == "Container: \n data = u'12345678901234567890123456789012'... (truncated, total 40)"
assert repr(c) == "Container(data=u'1234567890123456789012345678901234567890')"
setGlobalPrintFullStrings()
def test_falseflags():
d = FlagsEnum(Byte, set=1, unset=2)
c = d.parse(b"\x01")
setGlobalPrintFalseFlags(True)
assert str(c) == "Container: \n set = True\n unset = False"
assert repr(c) == "Container(set=True, unset=False)"
setGlobalPrintFalseFlags(False)
assert str(c) == "Container: \n set = True"
assert repr(c) == "Container(set=True, unset=False)"
setGlobalPrintFalseFlags()
def test_privateentries():
c = Container(_private = 1)
setGlobalPrintPrivateEntries(True)
assert str(c) == "Container: \n _private = 1"
assert repr(c) == "Container()"
setGlobalPrintPrivateEntries(False)
assert str(c) == "Container: "
assert repr(c) == "Container()"
setGlobalPrintPrivateEntries()
def test_len_bool():
c = Container(a=1, b=2, c=3, d=4)
assert len(c) == 4
assert c
c = Container()
assert len(c) == 0
assert not c
def test_in():
c = Container(a=1)
assert "a" in c
assert "b" not in c
def test_regression_recursionlock():
print("REGRESSION: recursion_lock() used to leave private keys.")
c = Container()
str(c); repr(c)
assert not c
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