432 lines
14 KiB
Python
432 lines
14 KiB
Python
# -*- coding: utf-8 -*-
|
|
|
|
import nilmdb
|
|
from nilmdb.utils.printf import *
|
|
from nilmdb.utils import datetime_tz
|
|
|
|
from nose.tools import *
|
|
from nose.tools import assert_raises
|
|
import itertools
|
|
|
|
from nilmdb.utils.interval import IntervalError
|
|
from nilmdb.server.interval import Interval, DBInterval, IntervalSet
|
|
|
|
# so we can test them separately
|
|
from nilmdb.utils.interval import Interval as UtilsInterval
|
|
|
|
from testutil.helpers import *
|
|
import unittest
|
|
|
|
# set to False to skip live renders
|
|
do_live_renders = False
|
|
def render(iset, description = "", live = True):
|
|
import testutil.renderdot as renderdot
|
|
r = renderdot.RBTreeRenderer(iset.tree)
|
|
return r.render(description, live and do_live_renders)
|
|
|
|
def makeset(string):
|
|
"""Build an IntervalSet from a string, for testing purposes
|
|
|
|
Each character is 1 second
|
|
[ = interval start
|
|
| = interval end + next start
|
|
] = interval end
|
|
. = zero-width interval (identical start and end)
|
|
anything else is ignored
|
|
"""
|
|
iset = IntervalSet()
|
|
for i, c in enumerate(string):
|
|
day = i + 10000
|
|
if (c == "["):
|
|
start = day
|
|
elif (c == "|"):
|
|
iset += Interval(start, day)
|
|
start = day
|
|
elif (c == ")"):
|
|
iset += Interval(start, day)
|
|
del start
|
|
elif (c == "."):
|
|
iset += Interval(day, day)
|
|
return iset
|
|
|
|
class TestInterval:
|
|
def test_client_interval(self):
|
|
# Run interval tests against the Python version of Interval.
|
|
global Interval
|
|
NilmdbInterval = Interval
|
|
Interval = UtilsInterval
|
|
self.test_interval()
|
|
self.test_interval_intersect()
|
|
Interval = NilmdbInterval
|
|
|
|
# Other helpers in nilmdb.utils.interval
|
|
i = [ UtilsInterval(1,2), UtilsInterval(2,3), UtilsInterval(4,5) ]
|
|
eq_(list(nilmdb.utils.interval.optimize(i)),
|
|
[ UtilsInterval(1,3), UtilsInterval(4,5) ])
|
|
eq_(UtilsInterval(1234567890123456, 1234567890654321).human_string(),
|
|
"[ Fri, 13 Feb 2009 18:31:30.123456 -0500 -> " +
|
|
"Fri, 13 Feb 2009 18:31:30.654321 -0500 ]")
|
|
|
|
def test_interval(self):
|
|
# Test Interval class
|
|
os.environ['TZ'] = "America/New_York"
|
|
datetime_tz._localtz = None
|
|
(d1, d2, d3) = [ nilmdb.utils.time.parse_time(x)
|
|
for x in [ "03/24/2012", "03/25/2012", "03/26/2012" ] ]
|
|
|
|
# basic construction
|
|
i = Interval(d1, d2)
|
|
i = Interval(d1, d3)
|
|
eq_(i.start, d1)
|
|
eq_(i.end, d3)
|
|
|
|
# assignment is allowed, but not verified
|
|
i.start = d2
|
|
#with assert_raises(IntervalError):
|
|
# i.end = d1
|
|
i.start = d1
|
|
i.end = d2
|
|
|
|
# end before start
|
|
with assert_raises(IntervalError):
|
|
i = Interval(d3, d1)
|
|
|
|
# compare
|
|
assert(Interval(d1, d2) == Interval(d1, d2))
|
|
assert(Interval(d1, d2) < Interval(d1, d3))
|
|
assert(Interval(d1, d3) > Interval(d1, d2))
|
|
assert(Interval(d1, d2) < Interval(d2, d3))
|
|
assert(Interval(d1, d3) < Interval(d2, d3))
|
|
assert(Interval(d2, d2+1) > Interval(d1, d3))
|
|
assert(Interval(d3, d3+1) == Interval(d3, d3+1))
|
|
#with assert_raises(TypeError): # was AttributeError, that's wrong
|
|
# x = (i == 123)
|
|
|
|
# subset
|
|
eq_(Interval(d1, d3).subset(d1, d2), Interval(d1, d2))
|
|
with assert_raises(IntervalError):
|
|
x = Interval(d2, d3).subset(d1, d2)
|
|
|
|
# big integers, negative integers
|
|
x = Interval(5000111222000000, 6000111222000000)
|
|
eq_(str(x), "[5000111222000000 -> 6000111222000000)")
|
|
x = Interval(-5000111222000000, -4000111222000000)
|
|
eq_(str(x), "[-5000111222000000 -> -4000111222000000)")
|
|
|
|
# misc
|
|
i = Interval(d1, d2)
|
|
eq_(repr(i), repr(eval(repr(i))))
|
|
eq_(str(i), "[1332561600000000 -> 1332648000000000)")
|
|
|
|
def test_interval_intersect(self):
|
|
# Test Interval intersections
|
|
dates = [ 100, 200, 300, 400 ]
|
|
perm = list(itertools.permutations(dates, 2))
|
|
prod = list(itertools.product(perm, perm))
|
|
should_intersect = {
|
|
False: [4, 5, 8, 20, 48, 56, 60, 96, 97, 100],
|
|
True: [0, 1, 2, 12, 13, 14, 16, 17, 24, 25, 26, 28, 29,
|
|
32, 49, 50, 52, 53, 61, 62, 64, 65, 68, 98, 101, 104]
|
|
}
|
|
for i,((a,b),(c,d)) in enumerate(prod):
|
|
try:
|
|
i1 = Interval(a, b)
|
|
i2 = Interval(c, d)
|
|
eq_(i1.intersects(i2), i2.intersects(i1))
|
|
in_(i, should_intersect[i1.intersects(i2)])
|
|
except IntervalError:
|
|
assert(i not in should_intersect[True] and
|
|
i not in should_intersect[False])
|
|
with assert_raises(TypeError):
|
|
x = i1.intersects(1234)
|
|
|
|
def test_intervalset_construct(self):
|
|
# Test IntervalSet construction
|
|
dates = [ 100, 200, 300, 400 ]
|
|
|
|
a = Interval(dates[0], dates[1])
|
|
b = Interval(dates[1], dates[2])
|
|
c = Interval(dates[0], dates[2])
|
|
d = Interval(dates[2], dates[3])
|
|
|
|
iseta = IntervalSet(a)
|
|
isetb = IntervalSet([a, b])
|
|
isetc = IntervalSet([a])
|
|
ne_(iseta, isetb)
|
|
eq_(iseta, isetc)
|
|
with assert_raises(TypeError):
|
|
x = iseta != 3
|
|
ne_(IntervalSet(a), IntervalSet(b))
|
|
|
|
# Note that assignment makes a new reference (not a copy)
|
|
isetd = IntervalSet(isetb)
|
|
isete = isetd
|
|
eq_(isetd, isetb)
|
|
eq_(isetd, isete)
|
|
isetd -= a
|
|
ne_(isetd, isetb)
|
|
eq_(isetd, isete)
|
|
|
|
# test iterator
|
|
for interval in iseta:
|
|
pass
|
|
|
|
# overlap
|
|
with assert_raises(IntervalError):
|
|
x = IntervalSet([a, b, c])
|
|
|
|
# bad types
|
|
with assert_raises(Exception):
|
|
x = IntervalSet([1, 2])
|
|
|
|
iset = IntervalSet(isetb) # test iterator
|
|
eq_(iset, isetb)
|
|
eq_(len(iset), 2)
|
|
eq_(len(IntervalSet()), 0)
|
|
|
|
# Test adding
|
|
iset = IntervalSet(a)
|
|
iset += IntervalSet(b)
|
|
eq_(iset, IntervalSet([a, b]))
|
|
|
|
iset = IntervalSet(a)
|
|
iset += b
|
|
eq_(iset, IntervalSet([a, b]))
|
|
|
|
iset = IntervalSet(a)
|
|
iset.iadd_nocheck(b)
|
|
eq_(iset, IntervalSet([a, b]))
|
|
|
|
iset = IntervalSet(a) + IntervalSet(b)
|
|
eq_(iset, IntervalSet([a, b]))
|
|
|
|
iset = IntervalSet(b) + a
|
|
eq_(iset, IntervalSet([a, b]))
|
|
|
|
# A set consisting of [0-1],[1-2] should match a set consisting of [0-2]
|
|
eq_(IntervalSet([a,b]), IntervalSet([c]))
|
|
# Etc
|
|
ne_(IntervalSet([a,d]), IntervalSet([c]))
|
|
ne_(IntervalSet([c]), IntervalSet([a,d]))
|
|
ne_(IntervalSet([c,d]), IntervalSet([b,d]))
|
|
|
|
# misc
|
|
eq_(repr(iset), repr(eval(repr(iset))))
|
|
eq_(str(iset),
|
|
"[[100 -> 200), [200 -> 300)]")
|
|
|
|
def test_intervalset_geniset(self):
|
|
# Test basic iset construction
|
|
eq_(makeset(" [----) "),
|
|
makeset(" [-|--) "))
|
|
|
|
eq_(makeset("[) [--) ") +
|
|
makeset(" [) [--)"),
|
|
makeset("[|) [-----)"))
|
|
|
|
eq_(makeset(" [-------)"),
|
|
makeset(" [-|-----|"))
|
|
|
|
|
|
def test_intervalset_intersect_difference(self):
|
|
# Test intersection (&)
|
|
with assert_raises(TypeError): # was AttributeError
|
|
x = makeset("[--)") & 1234
|
|
|
|
def do_test(a, b, c, d):
|
|
# a & b == c (using nilmdb.server.interval)
|
|
ab = IntervalSet()
|
|
for x in b:
|
|
for i in (a & x):
|
|
ab += i
|
|
eq_(ab,c)
|
|
|
|
# a & b == c (using nilmdb.utils.interval)
|
|
eq_(IntervalSet(nilmdb.utils.interval.intersection(a,b)), c)
|
|
|
|
# a \ b == d
|
|
eq_(IntervalSet(nilmdb.utils.interval.set_difference(a,b)), d)
|
|
|
|
# Intersection with intervals
|
|
do_test(makeset("[---|---)[)"),
|
|
makeset(" [------) "),
|
|
makeset(" [-----) "), # intersection
|
|
makeset("[-) [)")) # difference
|
|
|
|
do_test(makeset("[---------)"),
|
|
makeset(" [---) "),
|
|
makeset(" [---) "), # intersection
|
|
makeset("[) [----)")) # difference
|
|
|
|
do_test(makeset(" [---) "),
|
|
makeset("[---------)"),
|
|
makeset(" [---) "), # intersection
|
|
makeset(" ")) # difference
|
|
|
|
do_test(makeset(" [-----)"),
|
|
makeset(" [-----) "),
|
|
makeset(" [--) "), # intersection
|
|
makeset(" [--)")) # difference
|
|
|
|
do_test(makeset(" [--) [--)"),
|
|
makeset(" [------) "),
|
|
makeset(" [-) [-) "), # intersection
|
|
makeset(" [) [)")) # difference
|
|
|
|
do_test(makeset(" [---)"),
|
|
makeset(" [--) "),
|
|
makeset(" "), # intersection
|
|
makeset(" [---)")) # difference
|
|
|
|
do_test(makeset(" [-|---)"),
|
|
makeset(" [-----|-) "),
|
|
makeset(" [----) "), # intersection
|
|
makeset(" [)")) # difference
|
|
|
|
do_test(makeset(" [-|-) "),
|
|
makeset(" [-|--|--) "),
|
|
makeset(" [---) "), # intersection
|
|
makeset(" ")) # difference
|
|
|
|
do_test(makeset("[-)[-)[-)[)"),
|
|
makeset(" [) [|)[) "),
|
|
makeset(" [) [) "), # intersection
|
|
makeset("[) [-) [)[)")) # difference
|
|
|
|
# Border cases -- will give different results if intervals are
|
|
# half open or fully closed. In nilmdb, they are half open.
|
|
do_test(makeset(" [---)"),
|
|
makeset(" [----) "),
|
|
makeset(" "), # intersection
|
|
makeset(" [---)")) # difference
|
|
|
|
do_test(makeset(" [----)[--)"),
|
|
makeset("[-) [--) [)"),
|
|
makeset(" [) [-) [)"), # intersection
|
|
makeset(" [-) [-) ")) # difference
|
|
|
|
# Set difference with bounds
|
|
a = makeset(" [----)[--)")
|
|
b = makeset("[-) [--) [)")
|
|
c = makeset("[----) ")
|
|
d = makeset(" [-) ")
|
|
eq_(nilmdb.utils.interval.set_difference(
|
|
a.intersection(list(c)[0]), b.intersection(list(c)[0])), d)
|
|
|
|
# Fill out test coverage for non-subsets
|
|
def diff2(a,b, subset):
|
|
return nilmdb.utils.interval._interval_math_helper(
|
|
a, b, (lambda a, b: b and not a), subset=subset)
|
|
with assert_raises(nilmdb.utils.interval.IntervalError):
|
|
list(diff2(a,b,True))
|
|
list(diff2(a,b,False))
|
|
|
|
# Empty second set
|
|
eq_(nilmdb.utils.interval.set_difference(a, IntervalSet()), a)
|
|
|
|
# Empty second set
|
|
eq_(nilmdb.utils.interval.set_difference(a, IntervalSet()), a)
|
|
|
|
class TestIntervalDB:
|
|
def test_dbinterval(self):
|
|
# Test DBInterval class
|
|
i = DBInterval(100, 200, 100, 200, 10000, 20000)
|
|
eq_(i.start, 100)
|
|
eq_(i.end, 200)
|
|
eq_(i.db_start, 100)
|
|
eq_(i.db_end, 200)
|
|
eq_(i.db_startpos, 10000)
|
|
eq_(i.db_endpos, 20000)
|
|
eq_(repr(i), repr(eval(repr(i))))
|
|
|
|
# end before start
|
|
with assert_raises(IntervalError):
|
|
i = DBInterval(200, 100, 100, 200, 10000, 20000)
|
|
|
|
# db_start too late
|
|
with assert_raises(IntervalError):
|
|
i = DBInterval(100, 200, 150, 200, 10000, 20000)
|
|
|
|
# db_end too soon
|
|
with assert_raises(IntervalError):
|
|
i = DBInterval(100, 200, 100, 150, 10000, 20000)
|
|
|
|
# actual start, end can be a subset
|
|
a = DBInterval(150, 200, 100, 200, 10000, 20000)
|
|
b = DBInterval(100, 150, 100, 200, 10000, 20000)
|
|
c = DBInterval(150, 160, 100, 200, 10000, 20000)
|
|
|
|
# Make a set of DBIntervals
|
|
iseta = IntervalSet([a, b])
|
|
isetc = IntervalSet(c)
|
|
assert(iseta.intersects(a))
|
|
assert(iseta.intersects(b))
|
|
|
|
# Test subset
|
|
with assert_raises(IntervalError):
|
|
x = a.subset(150, 250)
|
|
|
|
# Subset of those IntervalSets should still contain DBIntervals
|
|
for i in IntervalSet(iseta.intersection(Interval(125,250))):
|
|
assert(isinstance(i, DBInterval))
|
|
|
|
class TestIntervalTree:
|
|
|
|
def test_interval_tree(self):
|
|
import random
|
|
random.seed(1234)
|
|
|
|
# make a set of 100 intervals
|
|
iset = IntervalSet()
|
|
j = 100
|
|
for i in random.sample(xrange(j),j):
|
|
interval = Interval(i, i+1)
|
|
iset += interval
|
|
render(iset, "Random Insertion")
|
|
|
|
# remove about half of them
|
|
for i in random.sample(xrange(j),j):
|
|
if random.randint(0,1):
|
|
iset -= Interval(i, i+1)
|
|
|
|
# try removing an interval that doesn't exist
|
|
with assert_raises(IntervalError):
|
|
iset -= Interval(1234,5678)
|
|
render(iset, "Random Insertion, deletion")
|
|
|
|
# make a set of 100 intervals, inserted in order
|
|
iset = IntervalSet()
|
|
j = 100
|
|
for i in xrange(j):
|
|
interval = Interval(i, i+1)
|
|
iset += interval
|
|
render(iset, "In-order insertion")
|
|
|
|
class TestIntervalSpeed:
|
|
@unittest.skip("this is slow")
|
|
def test_interval_speed(self):
|
|
import yappi
|
|
import time
|
|
import random
|
|
import math
|
|
|
|
print
|
|
yappi.start()
|
|
speeds = {}
|
|
limit = 22 # was 20
|
|
for j in [ 2**x for x in range(5,limit) ]:
|
|
start = time.time()
|
|
iset = IntervalSet()
|
|
for i in random.sample(xrange(j),j):
|
|
interval = Interval(i, i+1)
|
|
iset += interval
|
|
speed = (time.time() - start) * 1000000.0
|
|
printf("%d: %g μs (%g μs each, O(n log n) ratio %g)\n",
|
|
j,
|
|
speed,
|
|
speed/j,
|
|
speed / (j*math.log(j))) # should be constant
|
|
speeds[j] = speed
|
|
yappi.stop()
|
|
yappi.print_stats(sort_type=yappi.SORTTYPE_TTOT, limit=10)
|