def test_is_valid_coord4(self): self.assertFalse(LinesIntersectViewModel.is_valid_coord('1.,-0.2'))
def test_is_valid_coord_with_multispace(self): self.assertTrue(LinesIntersectViewModel.is_valid_coord('1 -2'))
def test_is_valid_coord2(self): self.assertTrue(LinesIntersectViewModel.is_valid_coord('1. -0.2'))