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from whoosh.filedb.filestore import RamStorage
from whoosh.idsets import BitSet, OnDiskBitSet, SortedIntSet
def test_bit_basics(c=BitSet):
b = c()
assert not b
assert 12 not in b
b.update([0, 2, 4, 6, 7])
assert b
assert ([(n in b) for n in range(10)] ==
[True, False, True, False, True, False, True, True, False, False])
b.add(9)
assert 9 in b
assert len(b) == 6
assert list(b.invert(10)) == [1, 3, 5, 8]
b.discard(6)
assert list(b) == [0, 2, 4, 7, 9]
assert len(b) == 5
def test_len(c=BitSet):
b = c()
b.add(3)
b.add(5)
b.add(1024)
assert len(b) == 3
b.add(5)
assert len(b) == 3
b.discard(1000)
assert len(b) == 3
b.discard(5)
assert len(b) == 2
def test_union(c=BitSet):
assert c([2, 4, 5]) | c([3, 9]) == c([2, 3, 4, 5, 9])
b = c([2, 4, 5])
b.update([3, 9])
assert list(b) == [2, 3, 4, 5, 9]
b = c([2, 4, 5])
b.update(c([3, 9]))
assert list(b) == [2, 3, 4, 5, 9]
b = c([1, 2])
b.update([1, 5, 9])
assert list(b) == [1, 2, 5, 9]
def test_intersection(c=BitSet):
assert c([2, 4, 5]) & c([3, 9]) == c()
assert c([2, 4, 5]) & c([4, 5, 9]) == c([4, 5])
b = c([2, 4, 5])
assert b.intersection([4, 5, 9]) == c([4, 5])
b.intersection_update([4, 5, 9])
assert list(b) == [4, 5]
b = c([2, 4, 5])
b.intersection_update(c([4, 5, 9]))
assert list(b) == [4, 5]
def test_difference(c=BitSet):
assert c([1, 3, 50, 72]) - c([3, 72]) == c([1, 50])
assert list(c([1, 3, 50, 72]).difference([3, 72])) == [1, 50]
b = c([1, 3, 50, 72])
b.difference_update(c([3, 72]))
assert list(b) == [1, 50]
b = c([1, 3, 50, 72])
b.difference_update([3, 72])
assert list(b) == [1, 50]
def test_copy(c=BitSet):
b = c([1, 5, 100, 60])
assert b == b.copy()
def test_clear(c=BitSet):
b = c([1, 5, 100, 60])
b.clear()
assert list(b) == []
def test_isdisjoint(c=BitSet):
b = c([1, 7, 20, 100])
assert b.isdisjoint(c([2, 8, 25]))
assert b.isdisjoint([2, 8, 25])
assert not b.isdisjoint(c([2, 7, 25]))
assert not b.isdisjoint([1, 8, 25])
def test_before_after(c=BitSet):
b = c([10, 11, 30, 50, 80])
assert b.after(0) == 10
assert b.after(7) == 10
assert b.after(8) == 10
assert b.after(10) == 11
assert b.after(11) == 30
assert b.after(30) == 50
assert b.after(33) == 50
assert b.after(38) == 50
assert b.after(41) == 50
assert b.after(42) == 50
assert b.after(45) == 50
assert b.after(47) == 50
assert b.after(50) == 80
assert b.after(80) is None
assert b.before(0) is None
assert b.before(99) == 80
assert b.before(81) == 80
assert b.before(80) == 50
assert b.before(50) == 30
assert b.before(48) == 30
assert b.before(46) == 30
assert b.before(45) == 30
assert b.before(44) == 30
assert b.before(42) == 30
assert b.before(38) == 30
assert b.before(36) == 30
assert b.before(34) == 30
assert b.before(33) == 30
assert b.before(32) == 30
assert b.before(30) == 11
assert b.before(11) == 10
assert b.before(10) is None
b = c([7])
assert b.after(0) == 7
b = c([8])
assert b.after(0) == 8
b = c([9])
assert b.after(0) == 9
b = c([7])
assert b.before(16) == 7
b = c([8])
assert b.before(16) == 8
b = c([9])
assert b.before(16) == 9
b = c([49])
assert b.after(0) == 49
def test_sortedintset():
test_bit_basics(SortedIntSet)
test_len(SortedIntSet)
test_union(SortedIntSet)
test_intersection(SortedIntSet)
test_difference(SortedIntSet)
test_copy(SortedIntSet)
test_clear(SortedIntSet)
test_isdisjoint(SortedIntSet)
test_before_after(SortedIntSet)
def test_ondisk():
bs = BitSet([10, 11, 30, 50, 80])
st = RamStorage()
f = st.create_file("test")
size = bs.to_disk(f)
f.close()
f = st.open_file("test")
b = OnDiskBitSet(f, 0, size)
assert list(b) == list(bs)
assert b.after(0) == 10
assert b.after(10) == 11
assert b.after(80) is None
assert b.after(99) is None
assert b.before(0) is None
assert b.before(99) == 80
assert b.before(80) == 50
assert b.before(10) is None
f.seek(0)
b = BitSet.from_disk(f, size)
assert list(b) == list(bs)
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