def test_behaviour(self):
val = []
d = mappings.IndeterminantDict(
lambda key: val.append(key), {}.fromkeys(range(10), True))
assert d[0] == True
assert d[11] == None
assert val == [11]
def func(*a):
raise KeyError
with pytest.raises(KeyError):
mappings.IndeterminantDict(func).__getitem__(1)
def test_behaviour(self):
val = []
d = mappings.IndeterminantDict(lambda key: val.append(key),
{}.fromkeys(xrange(10), True))
self.assertEqual(d[0], True)
self.assertEqual(d[11], None)
self.assertEqual(val, [11])
def func(*a):
raise KeyError
self.assertRaises(KeyError,
mappings.IndeterminantDict(func).__getitem__, 1)
def test_starter_dict(self):
d = mappings.IndeterminantDict(
lambda key: False, starter_dict={}.fromkeys(range(100), True))
for x in range(100):
assert d[x] == True
for x in range(100, 110):
assert d[x] == False
def test_starter_dict(self):
d = mappings.IndeterminantDict(lambda key: False,
starter_dict={}.fromkeys(
xrange(100), True))
for x in xrange(100):
self.assertEqual(d[x], True)
for x in xrange(100, 110):
self.assertEqual(d[x], False)
def test_disabled_methods(self):
d = mappings.IndeterminantDict(lambda *a: None)
for x in ("clear", ("update", {}), ("setdefault", 1), "__iter__",
"__len__", "__hash__", ("__delitem__", 1),
("__setitem__", 2), ("popitem", 2), "iteritems", "iterkeys",
"keys", "items", "itervalues", "values"):
if isinstance(x, tuple):
self.assertRaises(TypeError, getattr(d, x[0]), x[1])
else:
self.assertRaises(TypeError, getattr(d, x))
def test_get(self):
def func(key):
if key == 2:
raise KeyError
return True
d = mappings.IndeterminantDict(func, {1: 1})
assert d.get(1, 1) == 1
assert d.get(1, 2) == 1
assert d.get(2) == None
assert d.get(2, 2) == 2
assert d.get(3) == True
def test_get(self):
def func(key):
if key == 2:
raise KeyError
return True
d = mappings.IndeterminantDict(func, {1: 1})
self.assertEqual(d.get(1, 1), 1)
self.assertEqual(d.get(1, 2), 1)
self.assertEqual(d.get(2), None)
self.assertEqual(d.get(2, 2), 2)
self.assertEqual(d.get(3), True)
