cpython/Lib/test/test_userdict.py
1999-03-26 15:32:05 +00:00

102 lines
1.5 KiB
Python

# Check every path through every method of UserDict
from UserDict import UserDict
d0 = {}
d1 = {"one": 1}
d2 = {"one": 1, "two": 2}
# Test constructors
u = UserDict()
u0 = UserDict(d0)
u1 = UserDict(d1)
u2 = UserDict(d2)
uu = UserDict(u)
uu0 = UserDict(u0)
uu1 = UserDict(u1)
uu2 = UserDict(u2)
# Test __repr__
assert str(u0) == str(d0)
assert repr(u1) == repr(d1)
assert `u2` == `d2`
# Test __cmp__ and __len__
all = [d0, d1, d2, u, u0, u1, u2, uu, uu0, uu1, uu2]
for a in all:
for b in all:
assert cmp(a, b) == cmp(len(a), len(b))
# Test __getitem__
assert u2["one"] == 1
try:
u1["two"]
except KeyError:
pass
else:
assert 0, "u1['two'] shouldn't exist"
# Test __setitem__
u3 = UserDict(u2)
u3["two"] = 2
u3["three"] = 3
# Test __delitem__
del u3["three"]
try:
del u3["three"]
except KeyError:
pass
else:
assert 0, "u3['three'] shouldn't exist"
# Test clear
u3.clear()
assert u3 == {}
# Test copy()
u2a = u2.copy()
assert u2a == u2
class MyUserDict(UserDict):
def display(self): print self
m2 = MyUserDict(u2)
m2a = m2.copy()
assert m2a == m2
# Test keys, items, values
assert u2.keys() == d2.keys()
assert u2.items() == d2.items()
assert u2.values() == d2.values()
# Test has_key
for i in u2.keys():
assert u2.has_key(i) == 1
assert u1.has_key(i) == d1.has_key(i)
assert u0.has_key(i) == d0.has_key(i)
# Test update
t = UserDict()
t.update(u2)
assert t == u2
# Test get
for i in u2.keys():
assert u2.get(i) == u2[i]
assert u1.get(i) == d1.get(i)
assert u0.get(i) == d0.get(i)