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366 lines (311 loc) · 11 KB
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# Copyright DataStax, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
try:
import unittest2 as unittest
except ImportError:
import unittest # noqa
from cassandra.util import sortedset
from cassandra.cqltypes import EMPTY
class SortedSetTest(unittest.TestCase):
def test_init(self):
input = [5, 4, 3, 2, 1, 1, 1]
expected = sorted(set(input))
ss = sortedset(input)
self.assertEqual(len(ss), len(expected))
self.assertEqual(list(ss), expected)
def test_repr(self):
self.assertEqual(repr(sortedset([1, 2, 3, 4])), "SortedSet([1, 2, 3, 4])")
def test_contains(self):
input = [5, 4, 3, 2, 1, 1, 1]
expected = sorted(set(input))
ss = sortedset(input)
for i in expected:
self.assertTrue(i in ss)
self.assertFalse(i not in ss)
hi = max(expected)+1
lo = min(expected)-1
self.assertFalse(hi in ss)
self.assertFalse(lo in ss)
def test_mutable_contents(self):
ba = bytearray(b'some data here')
ss = sortedset([ba, ba])
self.assertEqual(list(ss), [ba])
def test_clear(self):
ss = sortedset([1, 2, 3])
ss.clear()
self.assertEqual(len(ss), 0)
def test_equal(self):
s1 = set([1])
s12 = set([1, 2])
ss1 = sortedset(s1)
ss12 = sortedset(s12)
self.assertEqual(ss1, s1)
self.assertEqual(ss12, s12)
self.assertEqual(ss12, s12)
self.assertEqual(ss1.__eq__(None), NotImplemented)
self.assertNotEqual(ss1, ss12)
self.assertNotEqual(ss12, ss1)
self.assertNotEqual(ss1, s12)
self.assertNotEqual(ss12, s1)
self.assertNotEqual(ss1, EMPTY)
def test_copy(self):
class comparable(object):
def __lt__(self, other):
return id(self) < id(other)
o = comparable()
ss = sortedset([comparable(), o])
ss2 = ss.copy()
self.assertNotEqual(id(ss), id(ss2))
self.assertTrue(o in ss)
self.assertTrue(o in ss2)
def test_isdisjoint(self):
# set, ss
s12 = set([1, 2])
s2 = set([2])
ss1 = sortedset([1])
ss13 = sortedset([1, 3])
ss3 = sortedset([3])
# s ss disjoint
self.assertTrue(s2.isdisjoint(ss1))
self.assertTrue(s2.isdisjoint(ss13))
# s ss not disjoint
self.assertFalse(s12.isdisjoint(ss1))
self.assertFalse(s12.isdisjoint(ss13))
# ss s disjoint
self.assertTrue(ss1.isdisjoint(s2))
self.assertTrue(ss13.isdisjoint(s2))
# ss s not disjoint
self.assertFalse(ss1.isdisjoint(s12))
self.assertFalse(ss13.isdisjoint(s12))
# ss ss disjoint
self.assertTrue(ss1.isdisjoint(ss3))
self.assertTrue(ss3.isdisjoint(ss1))
# ss ss not disjoint
self.assertFalse(ss1.isdisjoint(ss13))
self.assertFalse(ss13.isdisjoint(ss1))
self.assertFalse(ss3.isdisjoint(ss13))
self.assertFalse(ss13.isdisjoint(ss3))
def test_issubset(self):
s12 = set([1, 2])
ss1 = sortedset([1])
ss13 = sortedset([1, 3])
ss3 = sortedset([3])
self.assertTrue(ss1.issubset(s12))
self.assertTrue(ss1.issubset(ss13))
self.assertFalse(ss1.issubset(ss3))
self.assertFalse(ss13.issubset(ss3))
self.assertFalse(ss13.issubset(ss1))
self.assertFalse(ss13.issubset(s12))
def test_issuperset(self):
s12 = set([1, 2])
ss1 = sortedset([1])
ss13 = sortedset([1, 3])
ss3 = sortedset([3])
self.assertTrue(s12.issuperset(ss1))
self.assertTrue(ss13.issuperset(ss3))
self.assertTrue(ss13.issuperset(ss13))
self.assertFalse(s12.issuperset(ss13))
self.assertFalse(ss1.issuperset(ss3))
self.assertFalse(ss1.issuperset(ss13))
def test_union(self):
s1 = set([1])
ss12 = sortedset([1, 2])
ss23 = sortedset([2, 3])
self.assertEqual(sortedset().union(s1), sortedset([1]))
self.assertEqual(ss12.union(s1), sortedset([1, 2]))
self.assertEqual(ss12.union(ss23), sortedset([1, 2, 3]))
self.assertEqual(ss23.union(ss12), sortedset([1, 2, 3]))
self.assertEqual(ss23.union(s1), sortedset([1, 2, 3]))
def test_intersection(self):
s12 = set([1, 2])
ss23 = sortedset([2, 3])
self.assertEqual(s12.intersection(ss23), set([2]))
self.assertEqual(ss23.intersection(s12), sortedset([2]))
self.assertEqual(ss23.intersection(s12, [2], (2,)), sortedset([2]))
self.assertEqual(ss23.intersection(s12, [900], (2,)), sortedset())
def test_difference(self):
s1 = set([1])
ss12 = sortedset([1, 2])
ss23 = sortedset([2, 3])
self.assertEqual(sortedset().difference(s1), sortedset())
self.assertEqual(ss12.difference(s1), sortedset([2]))
self.assertEqual(ss12.difference(ss23), sortedset([1]))
self.assertEqual(ss23.difference(ss12), sortedset([3]))
self.assertEqual(ss23.difference(s1), sortedset([2, 3]))
def test_symmetric_difference(self):
s = set([1, 3, 5])
ss = sortedset([2, 3, 4])
ss2 = sortedset([5, 6, 7])
self.assertEqual(ss.symmetric_difference(s), sortedset([1, 2, 4, 5]))
self.assertFalse(ss.symmetric_difference(ss))
self.assertEqual(ss.symmetric_difference(s), sortedset([1, 2, 4, 5]))
self.assertEqual(ss2.symmetric_difference(ss), sortedset([2, 3, 4, 5, 6, 7]))
def test_pop(self):
ss = sortedset([2, 1])
self.assertEqual(ss.pop(), 2)
self.assertEqual(ss.pop(), 1)
try:
ss.pop()
self.fail("Error not thrown")
except (KeyError, IndexError) as e:
pass
def test_remove(self):
ss = sortedset([2, 1])
self.assertEqual(len(ss), 2)
self.assertRaises(KeyError, ss.remove, 3)
self.assertEqual(len(ss), 2)
ss.remove(1)
self.assertEqual(len(ss), 1)
ss.remove(2)
self.assertFalse(ss)
self.assertRaises(KeyError, ss.remove, 2)
self.assertFalse(ss)
def test_getitem(self):
ss = sortedset(range(3))
for i in range(len(ss)):
self.assertEqual(ss[i], i)
with self.assertRaises(IndexError):
ss[len(ss)]
def test_delitem(self):
expected = [1,2,3,4]
ss = sortedset(expected)
for i in range(len(ss)):
self.assertListEqual(list(ss), expected[i:])
del ss[0]
with self.assertRaises(IndexError):
ss[0]
def test_delslice(self):
expected = [1, 2, 3, 4, 5]
ss = sortedset(expected)
del ss[1:3]
self.assertListEqual(list(ss), [1, 4, 5])
del ss[-1:]
self.assertListEqual(list(ss), [1, 4])
del ss[1:]
self.assertListEqual(list(ss), [1])
del ss[:]
self.assertFalse(ss)
with self.assertRaises(IndexError):
del ss[0]
def test_reversed(self):
expected = range(10)
self.assertListEqual(list(reversed(sortedset(expected))), list(reversed(expected)))
def test_operators(self):
ss1 = sortedset([1])
ss12 = sortedset([1, 2])
# __ne__
self.assertFalse(ss12 != ss12)
self.assertFalse(ss12 != sortedset([1, 2]))
self.assertTrue(ss12 != sortedset())
# __le__
self.assertTrue(ss1 <= ss12)
self.assertTrue(ss12 <= ss12)
self.assertFalse(ss12 <= ss1)
# __lt__
self.assertTrue(ss1 < ss12)
self.assertFalse(ss12 < ss12)
self.assertFalse(ss12 < ss1)
# __ge__
self.assertFalse(ss1 >= ss12)
self.assertTrue(ss12 >= ss12)
self.assertTrue(ss12 >= ss1)
# __gt__
self.assertFalse(ss1 > ss12)
self.assertFalse(ss12 > ss12)
self.assertTrue(ss12 > ss1)
# __and__
self.assertEqual(ss1 & ss12, ss1)
self.assertEqual(ss12 & ss12, ss12)
self.assertEqual(ss12 & set(), sortedset())
# __iand__
tmp = sortedset(ss12)
tmp &= ss1
self.assertEqual(tmp, ss1)
tmp = sortedset(ss1)
tmp &= ss12
self.assertEqual(tmp, ss1)
tmp = sortedset(ss12)
tmp &= ss12
self.assertEqual(tmp, ss12)
tmp = sortedset(ss12)
tmp &= set()
self.assertEqual(tmp, sortedset())
# __rand__
self.assertEqual(set([1]) & ss12, ss1)
# __or__
self.assertEqual(ss1 | ss12, ss12)
self.assertEqual(ss12 | ss12, ss12)
self.assertEqual(ss12 | set(), ss12)
self.assertEqual(sortedset() | ss1 | ss12, ss12)
# __ior__
tmp = sortedset(ss1)
tmp |= ss12
self.assertEqual(tmp, ss12)
tmp = sortedset(ss12)
tmp |= ss12
self.assertEqual(tmp, ss12)
tmp = sortedset(ss12)
tmp |= set()
self.assertEqual(tmp, ss12)
tmp = sortedset()
tmp |= ss1
tmp |= ss12
self.assertEqual(tmp, ss12)
# __ror__
self.assertEqual(set([1]) | ss12, ss12)
# __sub__
self.assertEqual(ss1 - ss12, set())
self.assertEqual(ss12 - ss12, set())
self.assertEqual(ss12 - set(), ss12)
self.assertEqual(ss12 - ss1, sortedset([2]))
# __isub__
tmp = sortedset(ss1)
tmp -= ss12
self.assertEqual(tmp, set())
tmp = sortedset(ss12)
tmp -= ss12
self.assertEqual(tmp, set())
tmp = sortedset(ss12)
tmp -= set()
self.assertEqual(tmp, ss12)
tmp = sortedset(ss12)
tmp -= ss1
self.assertEqual(tmp, sortedset([2]))
# __rsub__
self.assertEqual(set((1,2,3)) - ss12, set((3,)))
# __xor__
self.assertEqual(ss1 ^ ss12, set([2]))
self.assertEqual(ss12 ^ ss1, set([2]))
self.assertEqual(ss12 ^ ss12, set())
self.assertEqual(ss12 ^ set(), ss12)
# __ixor__
tmp = sortedset(ss1)
tmp ^= ss12
self.assertEqual(tmp, set([2]))
tmp = sortedset(ss12)
tmp ^= ss1
self.assertEqual(tmp, set([2]))
tmp = sortedset(ss12)
tmp ^= ss12
self.assertEqual(tmp, set())
tmp = sortedset(ss12)
tmp ^= set()
self.assertEqual(tmp, ss12)
# __rxor__
self.assertEqual(set([1, 2]) ^ ss1, (set([2])))
def test_reduce_pickle(self):
ss = sortedset((4,3,2,1))
import pickle
s = pickle.dumps(ss)
self.assertEqual(pickle.loads(s), ss)
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