def test_search(self):
buf = _gappedbuf.GappedBuffer()
buf.insert(0, 'abcdefg0123456789')
buf.insert(10, 'あいうえお')
regex = gappedbuf.re.compile('[あ-お]+')
assert regex.search(buf, 11).group() == 'いうえお'
def test_getitem(self):
buf = _gappedbuf.GappedBuffer()
buf.insert(0, 'abc')
assert buf[0] == 'a'
assert buf[1] == 'b'
assert buf[2] == 'c'
assert buf[-3] == 'a'
assert buf[-2] == 'b'
assert buf[-1] == 'c'
with pytest.raises(IndexError):
buf[1:0]
with pytest.raises(IndexError):
buf[3]
with pytest.raises(IndexError):
buf[-4]
buf.insert(0, 'abc') # move gap to center
assert buf[0] == 'a'
assert buf[1] == 'b'
assert buf[2] == 'c'
assert buf[3] == 'a'
assert buf[4] == 'b'
assert buf[5] == 'c'
def test_setints(self):
buf = _gappedbuf.GappedBuffer()
buf.appendints((0, 1, 2, 3, 4, 5, 6, 7, 8, 9))
buf.setints(1, 9, 255)
assert buf.getints(
0, 10) == [0, 255, 255, 255, 255, 255, 255, 255, 255, 9]
with pytest.raises(ValueError):
buf.setints(0, 11, 255)
def test_shrink(self):
buf = _gappedbuf.GappedBuffer()
buf.insert(0, '1' * 8192)
buf.delete(0, 8191)
assert buf.bufsize == 4097
assert buf.gap == 0
assert buf.gapsize == 4096
assert buf.numelems == 1
assert buf[:] == '1'
def test_rfindint(self):
buf = _gappedbuf.GappedBuffer()
buf.appendints((0, 1, 2, 3, 4, 5, 6, 7, 8, 9))
buf.insertints(0, (100, 101, 102, 103, 104, 105, 106, 107, 108, 109))
assert buf.rfindint([100, 200], 0, 20, False) == 0
assert buf.rfindint([200, 109], 0, 20, False) == 9
assert buf.rfindint([0, 200], 0, 20, False) == 10
assert buf.rfindint([200, 9], 0, 20, False) == 19
with pytest.raises(ValueError):
buf.rfindint([20, 21], 0, 21, False)
def test_insertint(self):
buf = _gappedbuf.GappedBuffer()
buf.insertints(0, (0, 1, 2, 3, 4, 5, 6, 7, 8, 9))
assert buf.getints(0, 10) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
assert buf.bufsize == 4096
assert buf.gap == 10
assert buf.gapsize == 4086
assert buf.numelems == 10
with pytest.raises(ValueError):
buf.insertints(11, (0, 1, 2, 3, 4, 5, 6, 7, 8, 9))
def test_match(self):
regex = gappedbuf.re.compile('.*')
buf = _gappedbuf.GappedBuffer()
buf.insert(0, 'abcdefg')
assert regex.match(buf).group() == 'abcdefg'
assert regex.match(buf, 1, 5).group() == 'bcde'
# move gap
buf.insert(0, '0123456789')
assert regex.match(buf).group() == '0123456789abcdefg'
assert regex.match(buf, 1, 15).group() == '123456789abcde'
def test_finditer(self):
class B(_gappedbuf.GappedBuffer):
pass
buf = _gappedbuf.GappedBuffer()
buf = B()
buf.insert(0, '0123 abc あいうえお')
RE_SPLITWORD = gappedbuf.re.compile('.')
assert ''.join(
m.group()
for m in RE_SPLITWORD.finditer(buf, 0)) == '0123 abc あいうえお'
def test_rfindint_ne(self):
buf = _gappedbuf.GappedBuffer()
buf.appendints((0, ) * 10 + (1, ))
assert buf.rfindint([0, 2], 0, 11, True) == 10
buf.insertints(0, (0, ) * 10)
assert buf.rfindint([2, 0], 0, 21, True) == 20
buf.insertints(0, (1, ) * 10)
assert buf.rfindint([0, 2, 3], 0, 21, True) == 9
buf.insertints(0, (1, ) * 10)
assert buf.rfindint([0, 1], 0, 21, True) == -1
def test_del(self):
buf = _gappedbuf.GappedBuffer()
s = '0123456789' * 500
buf.insert(0, s)
buf.delete(0, 1)
assert buf.gap == 0
assert buf.numelems == 4999
assert buf.gapsize == buf.bufsize - buf.numelems
s = s[1:]
assert buf[:] == s
# move gap to center
buf.delete(2500, 2501)
assert buf.gap == 2500
assert buf.numelems == 4998
assert buf.gapsize == buf.bufsize - buf.numelems
s = s[:2500] + s[2501:]
assert buf[:] == s
# delete before gap
buf.delete(0, 1)
assert buf.gap == 0
assert buf.numelems == 4997
assert buf.gapsize == buf.bufsize - buf.numelems
s = s[1:]
assert buf[:] == s
# delete after gap
buf.delete(1, 2)
assert buf.gap == 1
assert buf.numelems == 4996
assert buf.gapsize == buf.bufsize - buf.numelems
s = s[0:1] + s[2:]
assert buf[:] == s
# delete all
buf.delete(0, buf.numelems)
assert buf.gap == 0
assert buf.numelems == 0
assert buf.gapsize == buf.bufsize - buf.numelems
assert buf[:] == ''
with pytest.raises(ValueError):
buf.delete(0, 1)
def test_rfindchr(self):
buf = _gappedbuf.GappedBuffer()
buf[:] = 'abcdefg'
buf.insert(0, '0123456789')
assert buf.rfindchr("g", 0, 17) == 16
assert buf.rfindchr("a", 0, 17) == 10
assert buf.rfindchr("9", 0, 17) == 9
assert buf.rfindchr("0", 0, 17) == 0
assert buf.rfindchr("Ag", 0, 17) == 16
assert buf.rfindchr("A", 0, 17) == -1
with pytest.raises(ValueError):
buf.rfindchr('0', 0, 100)
def test_getints(self):
buf = _gappedbuf.GappedBuffer()
buf[:] = 'abcdefg'
buf.insert(0, '0123456789')
assert buf.getints(0, 0) == []
assert buf.getints(0, 1) == [ord('0')]
assert buf.getints(0, 17) == [ord(c) for c in '0123456789abcdefg']
n = sys.getrefcount(ord('0'))
for i in range(100000):
buf.getints(0, 17)
with pytest.raises(ValueError):
buf.getints(100, 0)
def test_expand(self):
buf = _gappedbuf.GappedBuffer()
buf.insert(0, '1' * 4096)
assert buf.bufsize == 4096
assert buf.gap == 4096
assert buf.gapsize == 0
assert buf.numelems == 4096
buf.insert(4096, '1')
assert buf.bufsize == 5120
assert buf.gap == 4097
assert buf.gapsize == 1023
assert buf.numelems == 4097
assert buf[:] == '1' * 4097
def test_setitem(self):
buf = _gappedbuf.GappedBuffer()
buf[:] = 'abcdefg'
assert buf[:] == 'abcdefg'
buf[-1] = 'x'
assert buf[:] == 'abcdefx'
buf[1] = 'x'
assert buf[:] == 'axcdefx'
with pytest.raises(IndexError):
buf[7] = 'a'
with pytest.raises(ValueError):
buf[0] = ''
with pytest.raises(ValueError):
buf[0] = '12'
def test_getslice(self):
# test UCS1
s = 'abcdefghij'
self._test_slice(s)
# test UCS2
s = 'あいうえおかきくけこ'
self._test_slice(s)
# test UCS4
s = ''.join(chr(c) for c in range(0x100000, 0x10000a))
self._test_slice(s)
buf = _gappedbuf.GappedBuffer()
buf[:] = 'abcdefg'
with pytest.raises(IndexError):
buf[7]
def test_gappedbuf(self):
buf = _gappedbuf.GappedBuffer()
buf.insert(0, 'abc')
assert buf[0] == 'a'
assert buf[1] == 'b'
assert buf[2] == 'c'
assert buf.bufsize == 4096
assert buf.gap == 3
assert buf.gapsize == 4093
assert buf.numelems == 3
buf.insert(0, '123')
assert buf.bufsize == 4096
assert buf.gap == 3
assert buf.gapsize == 4090
assert buf.numelems == 6
assert buf[:] == '123abc'
def _test_slice(self, s):
buf = _gappedbuf.GappedBuffer()
buf.insert(0, s * 2)
assert buf[:] == s * 2
buf.insert(len(s), s)
assert buf.gap == len(s) * 2
assert buf[:] == s * 3
assert buf[:3] == s[:3]
assert buf[-3:] == s[-3:]
buf.delete(len(s) * 3 - 1, len(buf))
assert len(buf) == len(s) * 3 - 1
assert buf.gap == len(buf)
assert buf[:] == (s * 3)[:-1]
assert buf[:3] == s[:3]
assert buf[-3:] == s[-4:-1]
def test_group(self):
buf = _gappedbuf.GappedBuffer()
buf.insert(0, 'a')
regex = gappedbuf.re.compile(r'(a)')
assert regex.search(buf, 0).group(1) == 'a'
def test_append(self):
buf = _gappedbuf.GappedBuffer()
buf.insert(0, '1')
buf.append('2')
assert buf[:] == '12'
def test_replaceints(self):
buf = _gappedbuf.GappedBuffer()
buf.appendints((0, 1, 2, 3, 4, 5, 6, 7, 8, 9))
buf.replaceints(1, 9, (0, 1, 2, 3, 4, 5, 6, 7, 8, 9))
assert buf.getints(0, 12) == [0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 9]
def test_insert_index_exceeds(self):
buf = _gappedbuf.GappedBuffer()
with pytest.raises(ValueError):
buf.insert(-1, '1')
with pytest.raises(ValueError):
buf.insert(1, '1')
def test_appendint(self):
buf = _gappedbuf.GappedBuffer()
buf.appendints((0, 1, 2, 3, 4, 5, 6, 7, 8, 9))
assert buf.getints(0, 10) == [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
def test_delitem(self):
buf = _gappedbuf.GappedBuffer()
buf[:] = 'abcdefg'
del buf[1:-1]
assert buf[:] == 'ag'
def test_empty(self):
buf = _gappedbuf.GappedBuffer()
regex = gappedbuf.re.compile('abc', gappedbuf.re.IGNORECASE)
assert regex.search(buf, 0) is None
