atrcopy/test/test_segment.py

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import os
import numpy as np
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import pytest
from atrcopy import DefaultSegment, SegmentData, get_xex, interleave_segments, user_bit_mask
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def get_indexed(segment, num, scale):
indexes = np.arange(num) * scale
raw = segment.rawdata.get_indexed(indexes)
s = DefaultSegment(raw, segment.start_addr + indexes[0])
return s, indexes
class TestSegment1(object):
def setup(self):
self.segments = []
for i in range(8):
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data = np.arange(1024, dtype=np.uint8) * i
r = SegmentData(data)
self.segments.append(DefaultSegment(r, i * 1024))
def test_xex(self):
items = [
[(0, 1, 2), 0],
]
for indexes, stuff in items:
s = [self.segments[i] for i in indexes]
bytes = get_xex(s, 0xbeef)
assert tuple(bytes[0:2]) == (0xff, 0xff)
# 2 bytes for the ffff
# 4 bytes per segment for start, end address
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# An extra segment has been inserted for the run address!
size = reduce(lambda a, b:a + 4 + len(b), s, 0)
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print size, len(bytes)
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assert len(bytes) == 2 + size
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def test_copy(self):
for s in self.segments:
d = s.rawdata
print "orig:", d.data.shape, d.is_indexed, d.data, id(d.data)
c = d.copy()
print "copy", c.data.shape, c.is_indexed, c.data, id(c.data)
assert c.data.shape == s.data.shape
assert id(c) != id(s)
assert np.all((c.data[:] - s.data[:]) == 0)
c.data[0:100] = 1
print d.data
print c.data
assert not np.all((c.data[:] - s.data[:]) == 0)
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class TestIndexed(object):
def setup(self):
data = np.arange(4096, dtype=np.uint8)
data[1::2] = np.repeat(np.arange(16, dtype=np.uint8), 128)
r = SegmentData(data)
self.segment = DefaultSegment(r, 0)
def test_indexed(self):
assert not self.segment.rawdata.is_indexed
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s, indexes = get_indexed(self.segment, 1024, 3)
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assert s.rawdata.is_indexed
for i in range(len(indexes)):
assert s.get_raw_index(i) == indexes[i]
# get indexed into indexed, will result in every 9th byte
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s2, indexes2 = get_indexed(s, 256, 3)
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assert s2.rawdata.is_indexed
for i in range(len(indexes2)):
assert s2.get_raw_index(i) == indexes2[i] * 3
def test_indexed_sub(self):
base = self.segment
assert not base.rawdata.is_indexed
raw = base.rawdata[512:1536] # 1024 byte segment
sub = DefaultSegment(raw, 512)
assert not sub.rawdata.is_indexed
for i in range(len(sub)):
ri = sub.get_raw_index(i)
assert ri == sub.start_addr + i
assert sub[i] == base[ri]
start, end = sub.byte_bounds_offset()
assert start == 512
assert end == 1536
with pytest.raises(IndexError) as e:
# attempt to get indexes to 1024 * 3... Index to big => fail!
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s, indexes = get_indexed(sub, 1024, 3)
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# try with elements up to 256 * 3
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s, indexes = get_indexed(sub, 256, 3)
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print sub.data
print indexes
print s.data[:]
assert s.rawdata.is_indexed
for i in range(len(indexes)):
ri = s.get_raw_index(i)
print ri, "base[ri]=%d" % base[ri], i, indexes[i], "s[i]=%d" % s[i]
assert ri == sub.start_addr + indexes[i]
assert s[i] == base[ri]
start, end = s.byte_bounds_offset()
assert start == 0
assert end == len(base)
# get indexed into indexed, will result in every 9th byte
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s2, indexes2 = get_indexed(s, 64, 3)
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assert s2.rawdata.is_indexed
for i in range(len(indexes2)):
assert s2.get_raw_index(i) == sub.start_addr + indexes2[i] * 3
start, end = s.byte_bounds_offset()
assert start == 0
assert end == len(base)
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def test_interleave(self):
base = self.segment
r1 = base.rawdata[512:1024] # 512 byte segment
s1 = DefaultSegment(r1, 512)
r2 = base.rawdata[1024:1536] # 512 byte segment
s2 = DefaultSegment(r2, 1024)
indexes1 = r1.get_indexes_from_base()
verify1 = np.arange(512, 1024, dtype=np.uint32)
assert np.array_equal(indexes1, verify1)
indexes2 = r2.get_indexes_from_base()
verify2 = np.arange(1024, 1536, dtype=np.uint32)
assert np.array_equal(indexes2, verify2)
s = interleave_segments([s1, s2], 2)
a = np.empty(len(s1) + len(s2), dtype=np.uint8)
a[0::4] = s1[0::2]
a[1::4] = s1[1::2]
a[2::4] = s2[0::2]
a[3::4] = s2[1::2]
print list(s[:])
print list(a[:])
print s.rawdata.order
assert np.array_equal(s[:], a)
s = interleave_segments([s1, s2], 4)
a = np.empty(len(s1) + len(s2), dtype=np.uint8)
a[0::8] = s1[0::4]
a[1::8] = s1[1::4]
a[2::8] = s1[2::4]
a[3::8] = s1[3::4]
a[4::8] = s2[0::4]
a[5::8] = s2[1::4]
a[6::8] = s2[2::4]
a[7::8] = s2[3::4]
assert np.array_equal(s[:], a)
with pytest.raises(ValueError) as e:
s = interleave_segments([s1, s2], 3)
r1 = base.rawdata[512:1025] # 513 byte segment
s1 = DefaultSegment(r1, 512)
r2 = base.rawdata[1024:1537] # 513 byte segment
s2 = DefaultSegment(r2, 1024)
s = interleave_segments([s1, s2], 3)
a = np.empty(len(s1) + len(s2), dtype=np.uint8)
a[0::6] = s1[0::3]
a[1::6] = s1[1::3]
a[2::6] = s1[2::3]
a[3::6] = s2[0::3]
a[4::6] = s2[1::3]
a[5::6] = s2[2::3]
assert np.array_equal(s[:], a)
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def test_copy(self):
s, indexes = get_indexed(self.segment, 1024, 3)
c = s.rawdata.copy()
print c.data.shape, c.is_indexed
print id(c.data.np_data), id(s.data.np_data)
assert c.data.shape == s.data.shape
assert id(c) != id(s)
assert np.all((c.data[:] - s.data[:]) == 0)
c.data[0:100] = 1
assert not np.all((c.data[:] - s.data[:]) == 0)
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class TestComments(object):
def setup(self):
data = np.ones([4000], dtype=np.uint8)
r = SegmentData(data)
self.segment = DefaultSegment(r, 0)
self.sub_segment = DefaultSegment(r[2:202], 2)
def test_locations(self):
s = self.segment
s.set_comment([[4,5]], "test1")
s.set_comment([[40,50]], "test2")
s.set_style_ranges([[2,100]], comment=True)
s.set_style_ranges([[200, 299]], data=True)
for i in range(1,4):
for j in range(1, 4):
# create some with overlapping regions, some without
r = [500*j, 500*j + 200*i + 200]
s.set_style_ranges([r], user=i)
s.set_user_data([r], i, i*10 + j)
r = [100, 200]
s.set_style_ranges([r], user=4)
s.set_user_data([r], 4, 99)
r = [3100, 3200]
s.set_style_ranges([r], user=4)
s.set_user_data([r], 4, 99)
s2 = self.sub_segment
print len(s2)
copy = s2.get_comment_locations()
print copy
# comments at 4 and 40 in the original means 2 and 38 in the copy
orig = s.get_comment_locations()
assert copy[2] == orig[4]
assert copy[28] == orig[38]
def test_split_data_at_comment(self):
s = self.segment
s.set_style_ranges([[0,1000]], data=True)
for i in range(0, len(s), 25):
s.set_comment([[i,i+1]], "comment at %d" % i)
s2 = self.sub_segment
print len(s2)
copy = s2.get_comment_locations()
print copy
# comments at 4 and 40 in the original means 2 and 38 in the copy
orig = s.get_comment_locations()
print orig[0:200]
assert copy[2] == orig[4]
assert copy[28] == orig[38]
r = s2.get_entire_style_ranges([1], user=True)
print r
assert r == [((0, 23), 1), ((23, 48), 1), ((48, 73), 1), ((73, 98), 1), ((98, 123), 1), ((123, 148), 1), ((148, 173), 1), ((173, 198), 1), ((198, 200), 1)]
def test_split_data_at_comment2(self):
s = self.segment
start = 0
i = 0
for end in range(40, 1000, 40):
s.set_style_ranges([[start, end]], user=i)
start = end
i = (i + 1) % 8
for i in range(0, len(s), 25):
s.set_comment([[i,i+1]], "comment at %d" % i)
s2 = self.sub_segment
print len(s2)
copy = s2.get_comment_locations()
print copy
# comments at 4 and 40 in the original means 2 and 38 in the copy
orig = s.get_comment_locations()
print orig[0:200]
assert copy[2] == orig[4]
assert copy[28] == orig[38]
r = s2.get_entire_style_ranges([1], user=user_bit_mask)
print r
assert r == [((0, 38), 0), ((38, 48), 1), ((48, 73), 1), ((73, 78), 1), ((78, 118), 2), ((118, 158), 3), ((158, 198), 4), ((198, 200), 5)]
def test_restore_comments(self):
s = self.segment
s.set_style_ranges([[0,1000]], data=True)
for i in range(0, len(s), 5):
s.set_comment([[i,i+1]], "comment at %d" % i)
s1 = self.segment
print len(s1)
indexes = [7,12]
r = s1.get_comment_restore_data([indexes])
print r
# force clear comments
s1.rawdata.extra.comments = {}
s1.style[indexes[0]:indexes[1]] = 0
r0 = s1.get_comment_restore_data([indexes])
print r0
for start, end, style, items in r0:
print style
assert np.all(style == 0)
for rawindex, comment in items:
assert not comment
s1.restore_comments(r)
r1 = s1.get_comment_restore_data([indexes])
print r1
for item1, item2 in zip(r, r1):
print item1
print item2
for a1, a2 in zip(item1, item2):
print a1, a2
if hasattr(a1, "shape"):
assert np.all(a1 - a2 == 0)
else:
assert a1 == a2
s2 = self.sub_segment
print len(s2)
indexes = [5,10]
r = s2.get_comment_restore_data([indexes])
print r
# force clear comments
s2.rawdata.extra.comments = {}
s2.style[indexes[0]:indexes[1]] = 0
r0 = s2.get_comment_restore_data([indexes])
print r0
for start, end, style, items in r0:
print style
assert np.all(style == 0)
for rawindex, comment in items:
assert not comment
s2.restore_comments(r)
r2 = s2.get_comment_restore_data([indexes])
print r2
for item1, item2 in zip(r, r2):
print item1
print item2
for a1, a2 in zip(item1, item2):
print a1, a2
if hasattr(a1, "shape"):
assert np.all(a1 - a2 == 0)
else:
assert a1 == a2
for item1, item2 in zip(r1, r2):
print item1
print item2
# indexes won't be the same, but rawindexes and comments will
assert np.all(item1[2] - item2[2] == 0)
assert item1[3] == item2[3]
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class TestResize(object):
def setup(self):
data = np.arange(4096, dtype=np.uint8)
data[1::2] = np.repeat(np.arange(16, dtype=np.uint8), 128)
r = SegmentData(data)
self.container = DefaultSegment(r, 0)
self.container.can_resize = True
def test_subset(self):
c = self.container
assert not c.rawdata.is_indexed
offset = 1000
s = DefaultSegment(c.rawdata[offset:offset + offset], 0)
assert not s.rawdata.is_indexed
for i in range(offset):
assert s[i] == c[i + offset]
requested = 8192
oldraw = s.rawdata.copy()
oldid = id(s.rawdata)
oldsize, newsize = c.resize(requested)
assert newsize == requested
s.replace_data(c)
assert id(s.rawdata) == oldid
assert id(oldraw.order) == id(s.rawdata.order)
for i in range(offset):
assert s[i] == c[i + offset]
newbase = c.rawdata
newsub = s.rawdata
print c.rawdata.data
print s.rawdata.data[:]
s.rawdata.data[:] = 111
print c.rawdata.data
print s.rawdata.data[:]
for i in range(offset):
assert s[i] == c[i + offset]
def test_indexed(self):
c = self.container
assert not c.rawdata.is_indexed
s, indexes = get_indexed(self.container, 1024, 3)
assert s.rawdata.is_indexed
for i in range(len(indexes)):
assert s.get_raw_index(i) == indexes[i]
requested = 8192
oldraw = s.rawdata.copy()
oldid = id(s.rawdata)
oldsize, newsize = c.resize(requested)
assert newsize == requested
s.replace_data(c)
assert id(s.rawdata) == oldid
assert id(oldraw.order) == id(s.rawdata.order)
for i in range(len(indexes)):
assert s.get_raw_index(i) == indexes[i]
newbase = c.rawdata
newsub = s.rawdata
print c.rawdata.data
print s.rawdata.data[:]
s.rawdata.data[:] = 111
print c.rawdata.data
print s.rawdata.data[:]
for i in range(len(indexes)):
assert c.rawdata.data[indexes[i]] == s.rawdata.data[i]
if __name__ == "__main__":
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t = TestIndexed()
t.setup()
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t.test_indexed()
t.test_indexed_sub()
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t.test_interleave()
t = TestSegment1()
t.setup()
t.test_xex()
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t.test_copy()
t = TestComments()
t.setup()
t.test_split_data_at_comment()
t.test_restore_comments()