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from math import pi as PI
import torch
from torch_geometric.data import Data
from torch_geometric.transforms import PointPairFeatures
def test_point_pair_features():
transform = PointPairFeatures()
assert str(transform) == 'PointPairFeatures()'
pos = torch.tensor([[0.0, 0.0, 0.0], [1.0, 0.0, 0.0]])
edge_index = torch.tensor([[0, 1], [1, 0]])
norm = torch.tensor([[1.0, 0.0, 0.0], [1.0, 0.0, 0.0]])
edge_attr = torch.tensor([1.0, 1.0])
data = Data(edge_index=edge_index, pos=pos, norm=norm)
data = transform(data)
assert len(data) == 4
assert data.pos.tolist() == pos.tolist()
assert data.norm.tolist() == norm.tolist()
assert data.edge_index.tolist() == edge_index.tolist()
assert torch.allclose(
data.edge_attr,
torch.tensor([[1.0, 0.0, 0.0, 0.0], [1.0, PI, PI, 0.0]]),
atol=1e-4,
)
data = Data(edge_index=edge_index, pos=pos, norm=norm, edge_attr=edge_attr)
data = transform(data)
assert len(data) == 4
assert data.pos.tolist() == pos.tolist()
assert data.norm.tolist() == norm.tolist()
assert data.edge_index.tolist() == edge_index.tolist()
assert torch.allclose(
data.edge_attr,
torch.tensor([[1.0, 1.0, 0.0, 0.0, 0.0], [1.0, 1.0, PI, PI, 0.0]]),
atol=1e-4,
)
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