def test__xy_limits(lat, fy): x, y = mercantile._xy(0.0, lat) assert x == 0.5 assert y == pytest.approx(fy)
def test__xy_south_of_limit(lat): x, y = mercantile._xy(0.0, lat) assert x == 0.5 assert y > 1
def test__xy_poles(lat): with pytest.raises(mercantile.InvalidLatitudeError): mercantile._xy(0.0, lat)