File: test_random_rotate.py

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pytorch-geometric 2.6.1-7
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import torch

from torch_geometric.data import Data
from torch_geometric.transforms import RandomRotate


def test_random_rotate():
    assert str(RandomRotate([-180, 180])) == ('RandomRotate('
                                              '[-180, 180], axis=0)')

    pos = torch.tensor([[-1.0, -1.0], [-1.0, 1.0], [1.0, -1.0], [1.0, 1.0]])

    data = Data(pos=pos)
    data = RandomRotate(0)(data)
    assert len(data) == 1
    assert data.pos.tolist() == pos.tolist()

    data = Data(pos=pos)
    data = RandomRotate([180, 180])(data)
    assert len(data) == 1
    assert data.pos.tolist() == [[1, 1], [1, -1], [-1, 1], [-1, -1]]

    pos = torch.tensor([
        [-1.0, -1.0, 1.0],
        [-1.0, 1.0, 1.0],
        [1.0, -1.0, -1.0],
        [1.0, 1.0, -1.0],
    ])

    data = Data(pos=pos)
    data = RandomRotate([180, 180], axis=0)(data)
    assert len(data) == 1
    assert data.pos.tolist() == [[-1, 1, -1], [-1, -1, -1], [1, 1, 1],
                                 [1, -1, 1]]

    data = Data(pos=pos)
    data = RandomRotate([180, 180], axis=1)(data)
    assert len(data) == 1
    assert data.pos.tolist() == [[1, -1, -1], [1, 1, -1], [-1, -1, 1],
                                 [-1, 1, 1]]

    data = Data(pos=pos)
    data = RandomRotate([180, 180], axis=2)(data)
    assert len(data) == 1
    assert data.pos.tolist() == [[1, 1, 1], [1, -1, 1], [-1, 1, -1],
                                 [-1, -1, -1]]