def empty_way_test(self):
"""Test if an empty Way can be created."""
way = Way()
# points
self.assertListEqual(way.points_lle, [])
self.assertListEqual(way.points_radians_ll, [])
self.assertListEqual(way.points_radians_lle, [])
self.assertListEqual(way.points_radians_lle, [])
self.assertListEqual(way.get_points_lle_radians(drop_elevation=False),
[])
self.assertListEqual(way.get_points_lle_radians(drop_elevation=True),
[])
self.assertIsNone(way.get_closest_point(point=Point(lat=0, lon=0)))
#message points
self.assertListEqual(way.message_points, [])
self.assertListEqual(way.message_points_lle, [])
self.assertEqual(way.message_point_count, 0)
self.assertIsNone(
way.get_closest_message_point(point=Point(lat=0, lon=0)))
# misc
self.assertIsNone(way.length)
self.assertIsNone(way.duration)
# test getters and setters
with self.assertRaises(IndexError):
way.get_point_by_index(1)
with self.assertRaises(IndexError):
way.get_message_point_by_index(1)
with self.assertRaises(IndexError):
way.set_message_point_by_index(1, Point(lat=1, lon=1))
self.assertIsNone(way.get_closest_message_point(Point(lat=1, lon=1)))
# clearing should also work
way.clear_message_points()
def get_closest_point_test(self):
"""Test the get-closest-point functions of the Way class."""
# put some regular points to the way first
first = (0.0, 0.0, 0.0)
second = (1.0, 0.0, 100.0)
third = (2.0, 0.0, 200.0)
lle_list = [first, second, third]
way = Way(points=lle_list)
# add some message points
point1 = Point(lat=50.0, lon=0.0, elevation=300.0, message="foo")
point2 = Point(lat=75.0, lon=0.0, elevation=600.0, message="bar")
way.add_message_point(point1)
way.add_message_point(point2)
# get closest point
result = way.get_closest_point(Point(lat=2.5, lon=0.0))
self.assertEqual(result.getLLE(), third)
# get closest message point
result = way.get_closest_message_point(Point(lat=76.0, lon=0.0))
self.assertEqual(result, point2)
