def test_region_invert_empty():
"""Can we invert an empty region?"""
x = np.asarray([50, 95, 105])
y = np.asarray([50, 105, 115])
r = Region()
assert r.mask(x, y) == pytest.approx([0, 0, 0])
r.invert()
assert str(r) == ''
assert r.mask(x, y) == pytest.approx([0, 0, 0])
def test_region_invert():
"""Can we invert a region?"""
x = np.asarray([50, 95, 105])
y = np.asarray([50, 105, 115])
r = Region("box(100,100,10,20)")
assert r.mask(x, y) == pytest.approx([0, 1, 0])
r.invert()
assert str(r) == "!Box(100,100,10,20)"
assert r.mask(x, y) == pytest.approx([1, 0, 1])
def test_region_mask_match_file(tmp_path):
"""It shoudn't matter where the region comes from"""
f = tmp_path / 'reg.src'
f.write_text(normalized_string)
r = Region(str(f), True)
m = r.mask(xm, ym)
assert all(val == 1 for val in m)
def test_region_mask_match_file(tmpdir):
"""It shoudn't matter where the region comes from"""
f = tmpdir.join("reg")
f.write(normalized_string)
r = Region(str(f), True)
m = r.mask(xm, ym)
assert all(val == 1 for val in m)
def test_region_mask_match_swapped():
"""All points are included
This is just to check the ordering is handled
correctly for test_region_mask_keywords
"""
r = Region(region_string)
m = r.mask(ym, xm)
assert m == pytest.approx([1, 0, 1])
def test_region_mask_keywords2():
"""Check can use x0/x1 names"""
r = Region(region_string)
m = r.mask(x1=xm, x0=ym)
assert m == pytest.approx([1, 0, 1])
def test_region_mask_match():
"""All points are included"""
r = Region(region_string)
m = r.mask(xm, ym)
assert all(val == 1 for val in m)
def test_region_mask_nomatch():
"""All points are excluded"""
r = Region(region_string)
m = r.mask(x, y)
assert all(val == 0 for val in m)
def test_region_mask_null():
"""What happens if the region is empty?"""
empty = Region()
m = empty.mask(x, y)
assert all(val == 0 for val in m)
