def test_keys_to_cmp_two_keys_neg_a_neg_b():
cmp_this = keys_to_cmp(['~a', '~b'])
assert cmp_this(da1b2, da1b1) < 0
assert cmp_this(da1b1, da1b2) > 0
assert cmp_this(da1b1, da1b1) == 0
assert cmp_this(da1b2, da2b1) > 0
assert cmp_this(da1b1, da1b1) == 0
assert cmp_this(da2b1, da1b1) < 0
def test_keys_to_cmp_two_keys_a_b():
cmp_this = keys_to_cmp(['a', 'b'])
assert cmp_this(da1b2, da1b1) > 0
assert cmp_this(da1b1, da1b2) < 0
assert cmp_this(da1b1, da1b1) == 0
assert cmp_this(da1b2, da2b1) < 0
assert cmp_this(da1b1, da1b1) == 0
assert cmp_this(da2b1, da1b1) > 0
def __init__(self, ns):
super(Sort, self).__init__(ns)
if not self.ns.sort_key:
raise ParameterError("sort: no key(s) given")
self.mods = {}
for m in self.ns.module:
self.mods[m] = __import__(m)
self.cmp_keys = keys_to_cmp(self.ns.sort_key)
def make_key(key_tuple):
return cmp_to_key(keys_to_cmp(key_tuple))
def test_keys_to_cmp_one_key_a():
cmp_this = keys_to_cmp(['a'])
assert cmp_this(da1b2, da2b1) < 0
assert cmp_this(da1b1, da1b1) == 0
assert cmp_this(da2b1, da1b1) > 0