def test_no_sindex_active(self):
"""Checks that an error is given when rtree is not installed
and compat.USE_PYGEOS is False.
"""
state = compat.USE_PYGEOS # try to save state
compat.set_use_pygeos(False)
with pytest.raises(ImportError):
sindex.get_sindex_class()
compat.set_use_pygeos(state) # try to restore state
def test_is_empty(self):
# create empty tree
cls_ = sindex.get_sindex_class()
empty = geopandas.GeoSeries([])
tree = cls_(empty)
assert tree.is_empty
# create a non-empty tree
non_empty = geopandas.GeoSeries([Point(0, 0)])
tree = cls_(non_empty)
assert not tree.is_empty
def test_is_empty(self):
"""Tests the `is_empty` property."""
# create empty tree
cls_ = sindex.get_sindex_class()
empty = geopandas.GeoSeries(dtype=object)
tree = cls_(empty)
assert tree.is_empty
# create a non-empty tree
non_empty = geopandas.GeoSeries([Point(0, 0)])
tree = cls_(non_empty)
assert not tree.is_empty
def test_no_sindex(self):
"""Checks that a warning is given when no spatial index is present."""
with pytest.warns():
sindex.get_sindex_class()
def test_no_sindex_installed(self):
"""Checks that an error is raised when no spatial index is present."""
with pytest.raises(ImportError):
sindex.get_sindex_class()
