def test_construction(self):
polyline = Polyline(name="test line")
with self.assertRaises(IndexError):
polyline.isClosed()
self.assertEqual(polyline.getName(), "test line")
self.assertEqual(len(polyline), 0)
polyline.addPoint(0, 0, 0)
self.assertEqual(len(polyline), 1)
polyline.addPoint(1, 1, 0)
self.assertEqual(len(polyline), 2)
polyline.addPoint(1, 1.5)
self.assertEqual(len(polyline), 3)
self.assertEqual(polyline[0], (0, 0, 0))
self.assertEqual(polyline[1], (1, 1, 0))
self.assertEqual(polyline[2], (1, 1.5))
polyline.addPoint(0, 1, 0)
self.assertFalse(polyline.isClosed())
polyline.addPoint(0, 0, 0)
self.assertTrue(polyline.isClosed())
def getEdgePolygon(self):
x_list = DoubleVector()
y_list = DoubleVector()
cell_list = IntVector()
self._trace_edge(x_list, y_list, cell_list)
p = Polyline()
for (x, y) in zip(x_list, y_list):
p.addPoint(x, y)
return p
def test_iteration(self):
values = [(0, 0, 0), (1, 0, 0), (1, 1, 0), (1, 1, 1)]
polyline = Polyline(name="iteration line")
for p in values:
polyline.addPoint(*p)
for index, point in enumerate(polyline):
self.assertEqual(point, values[index])
def test_closed(self):
pl = Polyline(init_points=[(1, 0), (1, 1), (0, 2)])
self.assertFalse(pl.isClosed())
pl.addPoint(1, 0)
self.assertEqual(4, len(pl))
self.assertTrue(pl.isClosed())
pl = Polyline(init_points=[(1, 0), (1, 1), (0, 2)])
self.assertFalse(pl.isClosed())
pl.assertClosed()
self.assertEqual(4, len(pl))
self.assertTrue(pl.isClosed())