def test_lookup(self):
for kind in ['integer', 'block']:
idx = _make_index(4, np.array([2, 3], dtype=np.int32), kind=kind)
assert idx.lookup(-1) == -1
assert idx.lookup(0) == -1
assert idx.lookup(1) == -1
assert idx.lookup(2) == 0
assert idx.lookup(3) == 1
assert idx.lookup(4) == -1
idx = _make_index(4, np.array([], dtype=np.int32), kind=kind)
for i in range(-1, 5):
assert idx.lookup(i) == -1
idx = _make_index(4,
np.array([0, 1, 2, 3], dtype=np.int32),
kind=kind)
assert idx.lookup(-1) == -1
assert idx.lookup(0) == 0
assert idx.lookup(1) == 1
assert idx.lookup(2) == 2
assert idx.lookup(3) == 3
assert idx.lookup(4) == -1
idx = _make_index(4,
np.array([0, 2, 3], dtype=np.int32),
kind=kind)
assert idx.lookup(-1) == -1
assert idx.lookup(0) == 0
assert idx.lookup(1) == -1
assert idx.lookup(2) == 1
assert idx.lookup(3) == 2
assert idx.lookup(4) == -1
def test_block_internal(self):
idx = _make_index(4, np.array([2, 3], dtype=np.int32), kind='block')
assert isinstance(idx, BlockIndex)
assert idx.npoints == 2
tm.assert_numpy_array_equal(idx.blocs, np.array([2], dtype=np.int32))
tm.assert_numpy_array_equal(idx.blengths, np.array([2],
dtype=np.int32))
idx = _make_index(4, np.array([], dtype=np.int32), kind='block')
assert isinstance(idx, BlockIndex)
assert idx.npoints == 0
tm.assert_numpy_array_equal(idx.blocs, np.array([], dtype=np.int32))
tm.assert_numpy_array_equal(idx.blengths, np.array([], dtype=np.int32))
idx = _make_index(4,
np.array([0, 1, 2, 3], dtype=np.int32),
kind='block')
assert isinstance(idx, BlockIndex)
assert idx.npoints == 4
tm.assert_numpy_array_equal(idx.blocs, np.array([0], dtype=np.int32))
tm.assert_numpy_array_equal(idx.blengths, np.array([4],
dtype=np.int32))
idx = _make_index(4, np.array([0, 2, 3], dtype=np.int32), kind='block')
assert isinstance(idx, BlockIndex)
assert idx.npoints == 3
tm.assert_numpy_array_equal(idx.blocs, np.array([0, 2],
dtype=np.int32))
tm.assert_numpy_array_equal(idx.blengths,
np.array([1, 2], dtype=np.int32))
def test_block_internal(self):
idx = _make_index(4, np.array([2, 3], dtype=np.int32), kind='block')
assert isinstance(idx, BlockIndex)
assert idx.npoints == 2
tm.assert_numpy_array_equal(idx.blocs,
np.array([2], dtype=np.int32))
tm.assert_numpy_array_equal(idx.blengths,
np.array([2], dtype=np.int32))
idx = _make_index(4, np.array([], dtype=np.int32), kind='block')
assert isinstance(idx, BlockIndex)
assert idx.npoints == 0
tm.assert_numpy_array_equal(idx.blocs,
np.array([], dtype=np.int32))
tm.assert_numpy_array_equal(idx.blengths,
np.array([], dtype=np.int32))
idx = _make_index(4, np.array([0, 1, 2, 3], dtype=np.int32),
kind='block')
assert isinstance(idx, BlockIndex)
assert idx.npoints == 4
tm.assert_numpy_array_equal(idx.blocs,
np.array([0], dtype=np.int32))
tm.assert_numpy_array_equal(idx.blengths,
np.array([4], dtype=np.int32))
idx = _make_index(4, np.array([0, 2, 3], dtype=np.int32), kind='block')
assert isinstance(idx, BlockIndex)
assert idx.npoints == 3
tm.assert_numpy_array_equal(idx.blocs,
np.array([0, 2], dtype=np.int32))
tm.assert_numpy_array_equal(idx.blengths,
np.array([1, 2], dtype=np.int32))
def test_lookup_array(self):
for kind in ['integer', 'block']:
idx = _make_index(4, np.array([2, 3], dtype=np.int32), kind=kind)
res = idx.lookup_array(np.array([-1, 0, 2], dtype=np.int32))
exp = np.array([-1, -1, 0], dtype=np.int32)
tm.assert_numpy_array_equal(res, exp)
res = idx.lookup_array(np.array([4, 2, 1, 3], dtype=np.int32))
exp = np.array([-1, 0, -1, 1], dtype=np.int32)
tm.assert_numpy_array_equal(res, exp)
idx = _make_index(4, np.array([], dtype=np.int32), kind=kind)
res = idx.lookup_array(np.array([-1, 0, 2, 4], dtype=np.int32))
exp = np.array([-1, -1, -1, -1], dtype=np.int32)
idx = _make_index(4, np.array([0, 1, 2, 3], dtype=np.int32),
kind=kind)
res = idx.lookup_array(np.array([-1, 0, 2], dtype=np.int32))
exp = np.array([-1, 0, 2], dtype=np.int32)
tm.assert_numpy_array_equal(res, exp)
res = idx.lookup_array(np.array([4, 2, 1, 3], dtype=np.int32))
exp = np.array([-1, 2, 1, 3], dtype=np.int32)
tm.assert_numpy_array_equal(res, exp)
idx = _make_index(4, np.array([0, 2, 3], dtype=np.int32),
kind=kind)
res = idx.lookup_array(np.array([2, 1, 3, 0], dtype=np.int32))
exp = np.array([1, -1, 2, 0], dtype=np.int32)
tm.assert_numpy_array_equal(res, exp)
res = idx.lookup_array(np.array([1, 4, 2, 5], dtype=np.int32))
exp = np.array([-1, -1, 1, -1], dtype=np.int32)
tm.assert_numpy_array_equal(res, exp)
def test_lookup(self):
for kind in ['integer', 'block']:
idx = _make_index(4, np.array([2, 3], dtype=np.int32), kind=kind)
assert idx.lookup(-1) == -1
assert idx.lookup(0) == -1
assert idx.lookup(1) == -1
assert idx.lookup(2) == 0
assert idx.lookup(3) == 1
assert idx.lookup(4) == -1
idx = _make_index(4, np.array([], dtype=np.int32), kind=kind)
for i in range(-1, 5):
assert idx.lookup(i) == -1
idx = _make_index(4, np.array([0, 1, 2, 3], dtype=np.int32),
kind=kind)
assert idx.lookup(-1) == -1
assert idx.lookup(0) == 0
assert idx.lookup(1) == 1
assert idx.lookup(2) == 2
assert idx.lookup(3) == 3
assert idx.lookup(4) == -1
idx = _make_index(4, np.array([0, 2, 3], dtype=np.int32),
kind=kind)
assert idx.lookup(-1) == -1
assert idx.lookup(0) == 0
assert idx.lookup(1) == -1
assert idx.lookup(2) == 1
assert idx.lookup(3) == 2
assert idx.lookup(4) == -1
def test_int_internal(self):
idx = _make_index(4, np.array([2, 3], dtype=np.int32), kind="integer")
assert isinstance(idx, IntIndex)
assert idx.npoints == 2
tm.assert_numpy_array_equal(idx.indices, np.array([2, 3], dtype=np.int32))
idx = _make_index(4, np.array([], dtype=np.int32), kind="integer")
assert isinstance(idx, IntIndex)
assert idx.npoints == 0
tm.assert_numpy_array_equal(idx.indices, np.array([], dtype=np.int32))
idx = _make_index(4, np.array([0, 1, 2, 3], dtype=np.int32), kind="integer")
assert isinstance(idx, IntIndex)
assert idx.npoints == 4
tm.assert_numpy_array_equal(idx.indices, np.array([0, 1, 2, 3], dtype=np.int32))
def test_make_block_boundary(self):
for i in [5, 10, 100, 101]:
idx = _make_index(i, np.arange(0, i, 2, dtype=np.int32), kind="block")
exp = np.arange(0, i, 2, dtype=np.int32)
tm.assert_numpy_array_equal(idx.blocs, exp)
tm.assert_numpy_array_equal(idx.blengths, np.ones(len(exp), dtype=np.int32))
def test_make_block_boundary(self):
for i in [5, 10, 100, 101]:
idx = _make_index(i, np.arange(0, i, 2, dtype=np.int32),
kind='block')
exp = np.arange(0, i, 2, dtype=np.int32)
tm.assert_numpy_array_equal(idx.blocs, exp)
tm.assert_numpy_array_equal(idx.blengths,
np.ones(len(exp), dtype=np.int32))
def test_int_internal(self):
idx = _make_index(4, np.array([2, 3], dtype=np.int32), kind='integer')
assert isinstance(idx, IntIndex)
assert idx.npoints == 2
tm.assert_numpy_array_equal(idx.indices,
np.array([2, 3], dtype=np.int32))
idx = _make_index(4, np.array([], dtype=np.int32), kind='integer')
assert isinstance(idx, IntIndex)
assert idx.npoints == 0
tm.assert_numpy_array_equal(idx.indices,
np.array([], dtype=np.int32))
idx = _make_index(4, np.array([0, 1, 2, 3], dtype=np.int32),
kind='integer')
assert isinstance(idx, IntIndex)
assert idx.npoints == 4
tm.assert_numpy_array_equal(idx.indices,
np.array([0, 1, 2, 3], dtype=np.int32))