def test_route_destination():
origin = Position(-73.99780, 40.71205)
destination = Position(-73.99567, 40.71689)
clock = Clock(time_step=10, time_unit="s")
router = LinearRouter(clock=clock)
assert router.calculate_route(origin, destination).destination == destination
def test_router2d():
speed_kmph = 25
nyc_pos = GeographicPosition(-73.935242, 40.730610)
nyc_pos_shift = GeographicPosition(-73.935, 40.7306)
# monutes
clock = Clock(time_step=1, time_unit="m")
router = LinearRouter(speed=speed_kmph, clock=clock)
assert router.estimate_duration(nyc_pos, nyc_pos) == 0
route = router.calculate_route(nyc_pos, nyc_pos)
assert route.duration == 0
assert route.distance == 0
assert len(route.coordinates) == 1
assert route.approximate_position(clock.clock_time) == nyc_pos
assert route.approximate_position(clock.clock_time + 1) == nyc_pos
assert router.estimate_duration(nyc_pos, nyc_pos_shift) == 1
for i in range(10):
clock.tick()
assert router.estimate_duration(nyc_pos, nyc_pos) == 0
# seconds
clock = Clock(time_step=1, time_unit="s")
router = LinearRouter(speed=speed_kmph, clock=clock)
assert router.estimate_duration(nyc_pos, nyc_pos_shift) == 3
route = router.calculate_route(nyc_pos, nyc_pos_shift)
assert route.duration == 3
assert pytest.approx(route.distance, 3) == 0.02
assert len(route.coordinates) == 4
assert route.approximate_position(clock.clock_time) == nyc_pos
assert route.approximate_position(clock.clock_time + 1) != nyc_pos
assert route.approximate_position(clock.clock_time +
1) == route.coordinates[1]
assert route.approximate_position(clock.clock_time + 3) == nyc_pos_shift
assert route.approximate_position(clock.clock_time +
3) == route.coordinates[-1]
def test_router2d_2():
speed_kmph = 17
nyc_pos = Position(-73.935242, 40.730610)
nyc_pos_shift = Position(-73.935, 40.730610)
clock = Clock(time_step=1, time_unit="s")
router = LinearRouter(speed=speed_kmph, clock=clock)
assert router.estimate_duration(nyc_pos, nyc_pos_shift) == 5
route = router.calculate_route(nyc_pos, nyc_pos_shift)
assert len(route.coordinates) == 6
for p in route.coordinates:
assert p.lat == nyc_pos.lat