class HeadingPlanTests(unittest.TestCase):
def setUp(self):
nav = Navigation(beating_angle=45, utm_zone=30)
nav.heading = 0
nav.wind_direction = 225
self.hp = HeadingPlan(nav)
self.hp.waypoint_xy = Point(0, 0)
def test_lay_triangle(self):
lt = self.hp.lay_triangle()
coords = list(lt.exterior.coords)
self.assertEqual(coords[0], (0, 0))
self.assertAlmostEqual(coords[1][0], 0)
self.assertAlmostEqual(coords[1][1], LAYLINE_EXTENT)
self.assertAlmostEqual(coords[2][0], LAYLINE_EXTENT)
self.assertAlmostEqual(coords[2][1], 0)
def test_calculate(self):
# Between the laylines
self.hp.nav.position_xy = Point(50, 50)
state, goal_heading = self.hp.calculate_state_and_goal()
self.assertEqual(state, 'normal')
self.assertAlmostEqual(goal_heading, 270)
# Outside laylines, going in right direction
self.hp.nav.position_xy = Point(50, -50)
state, goal_heading = self.hp.calculate_state_and_goal()
self.assertEqual(state, 'normal')
self.assertAlmostEqual(goal_heading, 315)
# Outside laylines, going in wrong direction
self.hp.nav.position_xy = Point(-50, 50)
state, goal_heading = self.hp.calculate_state_and_goal()
self.assertEqual(state, 'tack_to_stbd_tack')
self.assertAlmostEqual(goal_heading, 180)
class HeadingPlanTests(unittest.TestCase):
def setUp(self):
nav = Navigation(beating_angle=45, utm_zone=30)
nav.heading = 0
nav.wind_direction = 225
self.hp = HeadingPlan(nav)
self.hp.waypoint_xy = Point(0, 0)
def test_lay_triangle(self):
lt = self.hp.lay_triangle()
coords = list(lt.exterior.coords)
self.assertEqual(coords[0], (0, 0))
self.assertAlmostEqual(coords[1][0], 0)
self.assertAlmostEqual(coords[1][1], LAYLINE_EXTENT)
self.assertAlmostEqual(coords[2][0], LAYLINE_EXTENT)
self.assertAlmostEqual(coords[2][1], 0)
def test_calculate(self):
# Between the laylines
self.hp.nav.position_xy = Point(50, 50)
state, goal_heading = self.hp.calculate_state_and_goal()
self.assertEqual(state, 'normal')
self.assertAlmostEqual(goal_heading, 270)
# Outside laylines, going in right direction
self.hp.nav.position_xy = Point(50, -50)
state, goal_heading = self.hp.calculate_state_and_goal()
self.assertEqual(state, 'normal')
self.assertAlmostEqual(goal_heading, 315)
# Outside laylines, going in wrong direction
self.hp.nav.position_xy = Point(-50, 50)
state, goal_heading = self.hp.calculate_state_and_goal()
self.assertEqual(state, 'tack_to_stbd_tack')
self.assertAlmostEqual(goal_heading, 180)
def setUp(self):
nav = Navigation(beating_angle=45, utm_zone=30)
nav.heading = 0
nav.wind_direction = 225
self.hp = HeadingPlan(nav)
self.hp.waypoint_xy = Point(0, 0)
def setUp(self):
nav = Navigation(beating_angle=45, utm_zone=30)
nav.heading = 0
nav.wind_direction = 225
self.hp = HeadingPlan(nav)
self.hp.waypoint_xy = Point(0, 0)
