mirror of
https://github.com/Mikaela/Limnoria.git
synced 2024-11-24 03:29:28 +01:00
282 lines
11 KiB
Python
282 lines
11 KiB
Python
#!/usr/bin/env python
|
|
|
|
###
|
|
# Copyright (c) 2002, Jeremiah Fincher
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright notice,
|
|
# this list of conditions, and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above copyright notice,
|
|
# this list of conditions, and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# * Neither the name of the author of this software nor the name of
|
|
# contributors to this software may be used to endorse or promote products
|
|
# derived from this software without specific prior written consent.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
|
###
|
|
|
|
from __future__ import generators
|
|
|
|
from test import *
|
|
|
|
import pickle
|
|
|
|
class QueueTest(unittest.TestCase):
|
|
def testGetitem(self):
|
|
q = queue()
|
|
n = 10
|
|
for i in xrange(n):
|
|
q.enqueue(i)
|
|
for i in xrange(n):
|
|
self.assertEqual(q[i], i)
|
|
for i in xrange(n, 0, -1):
|
|
self.assertEqual(q[-i], n-i)
|
|
self.assertRaises(IndexError, q.__getitem__, -(n+1))
|
|
self.assertRaises(IndexError, q.__getitem__, n)
|
|
#self.assertEqual(q[3:7], queue([3, 4, 5, 6]))
|
|
|
|
def testSetitem(self):
|
|
q1 = queue()
|
|
for i in xrange(10):
|
|
q1.enqueue(i)
|
|
q2 = eval(repr(q1))
|
|
for (i, elt) in enumerate(q2):
|
|
q2[i] = elt*2
|
|
self.assertEqual([x*2 for x in q1], list(q2))
|
|
|
|
def testNonzero(self):
|
|
q = queue()
|
|
self.failIf(q, 'queue not zero after initialization')
|
|
q.enqueue(1)
|
|
self.failUnless(q, 'queue zero after adding element')
|
|
q.dequeue()
|
|
self.failIf(q, 'queue not zero after dequeue of only element')
|
|
|
|
def testLen(self):
|
|
q = queue()
|
|
self.assertEqual(0, len(q), 'queue len not 0 after initialization')
|
|
q.enqueue(1)
|
|
self.assertEqual(1, len(q), 'queue len not 1 after enqueue')
|
|
q.enqueue(2)
|
|
self.assertEqual(2, len(q), 'queue len not 2 after enqueue')
|
|
q.dequeue()
|
|
self.assertEqual(1, len(q), 'queue len not 1 after dequeue')
|
|
q.dequeue()
|
|
self.assertEqual(0, len(q), 'queue len not 0 after dequeue')
|
|
for i in range(10):
|
|
L = range(i)
|
|
q = queue(L)
|
|
self.assertEqual(len(q), i)
|
|
|
|
def testEq(self):
|
|
q1 = queue()
|
|
q2 = queue()
|
|
self.failUnless(q1 == q1, 'queue not equal to itself')
|
|
self.failUnless(q2 == q2, 'queue not equal to itself')
|
|
self.failUnless(q1 == q2, 'initialized queues not equal')
|
|
q1.enqueue(1)
|
|
self.failUnless(q1 == q1, 'queue not equal to itself')
|
|
self.failUnless(q2 == q2, 'queue not equal to itself')
|
|
q2.enqueue(1)
|
|
self.failUnless(q1 == q1, 'queue not equal to itself')
|
|
self.failUnless(q2 == q2, 'queue not equal to itself')
|
|
self.failUnless(q1 == q2, 'queues not equal after identical enqueue')
|
|
q1.dequeue()
|
|
self.failUnless(q1 == q1, 'queue not equal to itself')
|
|
self.failUnless(q2 == q2, 'queue not equal to itself')
|
|
self.failIf(q1 == q2, 'queues equal after one dequeue')
|
|
q2.dequeue()
|
|
self.failUnless(q1 == q2, 'queues not equal after both are dequeued')
|
|
self.failUnless(q1 == q1, 'queue not equal to itself')
|
|
self.failUnless(q2 == q2, 'queue not equal to itself')
|
|
|
|
def testInit(self):
|
|
self.assertEqual(len(queue()), 0, 'queue len not 0 after init')
|
|
q = queue()
|
|
q.enqueue(1)
|
|
q.enqueue(2)
|
|
q.enqueue(3)
|
|
self.assertEqual(queue((1, 2, 3)),q, 'init not equivalent to enqueues')
|
|
q = queue((1, 2, 3))
|
|
self.assertEqual(q.dequeue(), 1, 'values not returned in proper order')
|
|
self.assertEqual(q.dequeue(), 2, 'values not returned in proper order')
|
|
self.assertEqual(q.dequeue(), 3, 'values not returned in proper order')
|
|
|
|
def testRepr(self):
|
|
q = queue()
|
|
q.enqueue(1)
|
|
self.assertEqual(q, eval(repr(q)), 'repr doesn\'t eval to same queue')
|
|
q.enqueue('foo')
|
|
self.assertEqual(q, eval(repr(q)), 'repr doesn\'t eval to same queue')
|
|
q.enqueue(None)
|
|
self.assertEqual(q, eval(repr(q)), 'repr doesn\'t eval to same queue')
|
|
q.enqueue(1.0)
|
|
self.assertEqual(q, eval(repr(q)), 'repr doesn\'t eval to same queue')
|
|
q.enqueue([])
|
|
self.assertEqual(q, eval(repr(q)), 'repr doesn\'t eval to same queue')
|
|
q.enqueue(())
|
|
self.assertEqual(q, eval(repr(q)), 'repr doesn\'t eval to same queue')
|
|
q.enqueue([1])
|
|
self.assertEqual(q, eval(repr(q)), 'repr doesn\'t eval to same queue')
|
|
q.enqueue((1,))
|
|
self.assertEqual(q, eval(repr(q)), 'repr doesn\'t eval to same queue')
|
|
|
|
def testEnqueueDequeue(self):
|
|
q = queue()
|
|
self.assertRaises(IndexError, q.dequeue)
|
|
q.enqueue(1)
|
|
self.assertEqual(q.dequeue(), 1,
|
|
'first dequeue didn\'t return same as first enqueue')
|
|
q.enqueue(1)
|
|
q.enqueue(2)
|
|
q.enqueue(3)
|
|
self.assertEqual(q.dequeue(), 1)
|
|
self.assertEqual(q.dequeue(), 2)
|
|
self.assertEqual(q.dequeue(), 3)
|
|
|
|
def testPeek(self):
|
|
q = queue()
|
|
self.assertRaises(IndexError, q.peek)
|
|
q.enqueue(1)
|
|
self.assertEqual(q.peek(), 1, 'peek didn\'t return first enqueue')
|
|
q.enqueue(2)
|
|
self.assertEqual(q.peek(), 1, 'peek didn\'t return first enqueue')
|
|
q.dequeue()
|
|
self.assertEqual(q.peek(), 2, 'peek didn\'t return second enqueue')
|
|
q.dequeue()
|
|
self.assertRaises(IndexError, q.peek)
|
|
|
|
def testContains(self):
|
|
q = queue()
|
|
self.failIf(1 in q, 'empty queue cannot have elements')
|
|
q.enqueue(1)
|
|
self.failUnless(1 in q, 'recent enqueued element not in q')
|
|
q.enqueue(2)
|
|
self.failUnless(1 in q, 'original enqueued element not in q')
|
|
self.failUnless(2 in q, 'second enqueued element not in q')
|
|
q.dequeue()
|
|
self.failIf(1 in q, 'dequeued element in q')
|
|
self.failUnless(2 in q, 'not dequeued element not in q')
|
|
q.dequeue()
|
|
self.failIf(2 in q, 'dequeued element in q')
|
|
|
|
def testIter(self):
|
|
q1 = queue((1, 2, 3))
|
|
q2 = queue()
|
|
for i in q1:
|
|
q2.enqueue(i)
|
|
self.assertEqual(q1, q2, 'iterate didn\'t return all elements')
|
|
for _ in queue():
|
|
self.fail('no elements should be in empty queue')
|
|
|
|
def testPickleCopy(self):
|
|
q = queue(range(10))
|
|
self.assertEqual(q, pickle.loads(pickle.dumps(q)))
|
|
|
|
|
|
class MaxLengthQueueTestCase(unittest.TestCase):
|
|
def testMaxLength(self):
|
|
q = MaxLengthQueue(3)
|
|
q.enqueue(1)
|
|
self.assertEqual(len(q), 1)
|
|
q.enqueue(2)
|
|
self.assertEqual(len(q), 2)
|
|
q.enqueue(3)
|
|
self.assertEqual(len(q), 3)
|
|
q.enqueue(4)
|
|
self.assertEqual(len(q), 3)
|
|
self.assertEqual(q.peek(), 2)
|
|
q.enqueue(5)
|
|
self.assertEqual(len(q), 3)
|
|
self.assertEqual(q[0], 3)
|
|
|
|
class FunctionsTest(unittest.TestCase):
|
|
def testCatch(self):
|
|
def f():
|
|
raise Exception
|
|
catch(f)
|
|
|
|
def testReviter(self):
|
|
L = range(10)
|
|
revL = list(reviter(L))
|
|
L.reverse()
|
|
self.assertEqual(L, revL, 'reviter didn\'t return reversed list')
|
|
for elt in reviter([]):
|
|
self.fail('reviter caused iteration over empty sequence')
|
|
|
|
def testWindow(self):
|
|
L = range(10)
|
|
def wwindow(*args):
|
|
return list(window(*args))
|
|
self.assertEqual(wwindow([], 1), [], 'Empty sequence, empty window')
|
|
self.assertEqual(wwindow([], 2), [], 'Empty sequence, empty window')
|
|
self.assertEqual(wwindow([], 5), [], 'Empty sequence, empty window')
|
|
self.assertEqual(wwindow([], 100), [], 'Empty sequence, empty window')
|
|
self.assertEqual(wwindow(L, 1), [[x] for x in L], 'Window length 1')
|
|
self.assertRaises(ValueError, wwindow, [], 0)
|
|
self.assertRaises(ValueError, wwindow, [], -1)
|
|
|
|
def testItersplit(self):
|
|
L = [1, 2, 3] * 3
|
|
s = 'foo bar baz'
|
|
self.assertEqual(list(itersplit(L, lambda x: x == 3)),
|
|
[[1, 2], [1, 2], [1, 2]])
|
|
self.assertEqual(list(itersplit(L, lambda x: x == 3, True)),
|
|
[[1, 2], [1, 2], [1, 2], []])
|
|
self.assertEqual(list(itersplit([], lambda x: x)), [])
|
|
self.assertEqual(list(itersplit(s, lambda c: c.isspace())),
|
|
map(list, s.split()))
|
|
|
|
def testIterableMap(self):
|
|
class alist(IterableMap):
|
|
def __init__(self):
|
|
self.L = []
|
|
|
|
def __setitem__(self, key, value):
|
|
self.L.append((key, value))
|
|
|
|
def iteritems(self):
|
|
for (k, v) in self.L:
|
|
yield (k, v)
|
|
AL = alist()
|
|
self.failIf(AL)
|
|
AL[1] = 2
|
|
AL[2] = 3
|
|
AL[3] = 4
|
|
self.failUnless(AL)
|
|
self.assertEqual(AL.items(), [(1, 2), (2, 3), (3, 4)])
|
|
self.assertEqual(list(AL.iteritems()), [(1, 2), (2, 3), (3, 4)])
|
|
self.assertEqual(AL.keys(), [1, 2, 3])
|
|
self.assertEqual(list(AL.iterkeys()), [1, 2, 3])
|
|
self.assertEqual(AL.values(), [2, 3, 4])
|
|
self.assertEqual(list(AL.itervalues()), [2, 3, 4])
|
|
self.assertEqual(len(AL), 3)
|
|
|
|
def testFlatten(self):
|
|
def lflatten(seq):
|
|
return list(flatten(seq))
|
|
self.assertEqual(lflatten([]), [])
|
|
self.assertEqual(lflatten([1]), [1])
|
|
self.assertEqual(lflatten(range(10)), range(10))
|
|
twoRanges = range(10)*2
|
|
twoRanges.sort()
|
|
self.assertEqual(lflatten(zip(range(10), range(10))), twoRanges)
|
|
self.assertEqual(lflatten([1, [2, 3], 4]), [1, 2, 3, 4])
|
|
self.assertEqual(lflatten([[[[[[[[[[]]]]]]]]]]), [])
|
|
self.assertEqual(lflatten([1, [2, [3, 4], 5], 6]), [1, 2, 3, 4, 5, 6])
|
|
self.assertRaises(TypeError, lflatten, 1)
|