mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-11-18 10:50:40 +00:00
106 lines
3.4 KiB
Python
106 lines
3.4 KiB
Python
from .lib import TestBase, FileCreator
|
|
|
|
from smmap.util import (
|
|
MapWindow,
|
|
MapRegion,
|
|
MapRegionList,
|
|
ALLOCATIONGRANULARITY,
|
|
is_64_bit,
|
|
align_to_mmap
|
|
)
|
|
|
|
import os
|
|
import sys
|
|
|
|
|
|
class TestMMan(TestBase):
|
|
|
|
def test_window(self):
|
|
wl = MapWindow(0, 1) # left
|
|
wc = MapWindow(1, 1) # center
|
|
wc2 = MapWindow(10, 5) # another center
|
|
wr = MapWindow(8000, 50) # right
|
|
|
|
assert wl.ofs_end() == 1
|
|
assert wc.ofs_end() == 2
|
|
assert wr.ofs_end() == 8050
|
|
|
|
# extension does nothing if already in place
|
|
maxsize = 100
|
|
wc.extend_left_to(wl, maxsize)
|
|
assert wc.ofs == 1 and wc.size == 1
|
|
wl.extend_right_to(wc, maxsize)
|
|
wl.extend_right_to(wc, maxsize)
|
|
assert wl.ofs == 0 and wl.size == 1
|
|
|
|
# an actual left extension
|
|
pofs_end = wc2.ofs_end()
|
|
wc2.extend_left_to(wc, maxsize)
|
|
assert wc2.ofs == wc.ofs_end() and pofs_end == wc2.ofs_end()
|
|
|
|
# respects maxsize
|
|
wc.extend_right_to(wr, maxsize)
|
|
assert wc.ofs == 1 and wc.size == maxsize
|
|
wc.extend_right_to(wr, maxsize)
|
|
assert wc.ofs == 1 and wc.size == maxsize
|
|
|
|
# without maxsize
|
|
wc.extend_right_to(wr, sys.maxsize)
|
|
assert wc.ofs_end() == wr.ofs and wc.ofs == 1
|
|
|
|
# extend left
|
|
wr.extend_left_to(wc2, maxsize)
|
|
wr.extend_left_to(wc2, maxsize)
|
|
assert wr.size == maxsize
|
|
|
|
wr.extend_left_to(wc2, sys.maxsize)
|
|
assert wr.ofs == wc2.ofs_end()
|
|
|
|
wc.align()
|
|
assert wc.ofs == 0 and wc.size == align_to_mmap(wc.size, True)
|
|
|
|
def test_region(self):
|
|
with FileCreator(self.k_window_test_size, "window_test") as fc:
|
|
half_size = fc.size // 2
|
|
rofs = align_to_mmap(4200, False)
|
|
rfull = MapRegion(fc.path, 0, fc.size)
|
|
rhalfofs = MapRegion(fc.path, rofs, fc.size)
|
|
rhalfsize = MapRegion(fc.path, 0, half_size)
|
|
|
|
# offsets
|
|
assert rfull.ofs_begin() == 0 and rfull.size() == fc.size
|
|
assert rfull.ofs_end() == fc.size # if this method works, it works always
|
|
|
|
assert rhalfofs.ofs_begin() == rofs and rhalfofs.size() == fc.size - rofs
|
|
assert rhalfsize.ofs_begin() == 0 and rhalfsize.size() == half_size
|
|
|
|
assert rfull.includes_ofs(0) and rfull.includes_ofs(fc.size - 1) and rfull.includes_ofs(half_size)
|
|
assert not rfull.includes_ofs(-1) and not rfull.includes_ofs(sys.maxsize)
|
|
|
|
# auto-refcount
|
|
assert rfull.client_count() == 1
|
|
rfull2 = rfull
|
|
assert rfull.client_count() == 1, "no auto-counting"
|
|
|
|
# window constructor
|
|
w = MapWindow.from_region(rfull)
|
|
assert w.ofs == rfull.ofs_begin() and w.ofs_end() == rfull.ofs_end()
|
|
|
|
def test_region_list(self):
|
|
with FileCreator(100, "sample_file") as fc:
|
|
fd = os.open(fc.path, os.O_RDONLY)
|
|
try:
|
|
for item in (fc.path, fd):
|
|
ml = MapRegionList(item)
|
|
|
|
assert len(ml) == 0
|
|
assert ml.path_or_fd() == item
|
|
assert ml.file_size() == fc.size
|
|
finally:
|
|
os.close(fd)
|
|
|
|
def test_util(self):
|
|
assert isinstance(is_64_bit(), bool) # just call it
|
|
assert align_to_mmap(1, False) == 0
|
|
assert align_to_mmap(1, True) == ALLOCATIONGRANULARITY
|