def test_gcn_conv():
x = torch.randn(4, 16)
edge_index = torch.tensor([[0, 0, 0, 1, 2, 3], [1, 2, 3, 0, 0, 0]])
row, col = edge_index
value = torch.rand(row.size(0))
adj2 = SparseTensor(row=row, col=col, value=value, sparse_sizes=(4, 4))
adj1 = adj2.set_value(None)
conv = GCNConv(16, 32)
assert conv.__repr__() == 'GCNConv(16, 32)'
out1 = conv(x, edge_index)
assert out1.size() == (4, 32)
assert torch.allclose(conv(x, adj1.t()), out1, atol=1e-6)
out2 = conv(x, edge_index, value)
assert out2.size() == (4, 32)
assert torch.allclose(conv(x, adj2.t()), out2, atol=1e-6)
if is_full_test():
t = '(Tensor, Tensor, OptTensor) -> Tensor'
jit = torch.jit.script(conv.jittable(t))
assert jit(x, edge_index).tolist() == out1.tolist()
assert jit(x, edge_index, value).tolist() == out2.tolist()
t = '(Tensor, SparseTensor, OptTensor) -> Tensor'
jit = torch.jit.script(conv.jittable(t))
assert torch.allclose(jit(x, adj1.t()), out1, atol=1e-6)
assert torch.allclose(jit(x, adj2.t()), out2, atol=1e-6)
conv.cached = True
conv(x, edge_index)
assert conv(x, edge_index).tolist() == out1.tolist()
conv(x, adj1.t())
assert torch.allclose(conv(x, adj1.t()), out1, atol=1e-6)
def test_gcn_conv():
in_channels, out_channels = (16, 32)
edge_index = torch.tensor([[0, 0, 0, 1, 2, 3], [1, 2, 3, 0, 0, 0]])
num_nodes = edge_index.max().item() + 1
edge_weight = torch.rand(edge_index.size(1))
x = torch.randn((num_nodes, in_channels))
conv = GCNConv(in_channels, out_channels)
assert conv.__repr__() == 'GCNConv(16, 32)'
out = conv(x, edge_index)
assert out.size() == (num_nodes, out_channels)
assert conv(x, edge_index, edge_weight).size() == (num_nodes, out_channels)
jit_conv = conv.jittable(x=x, edge_index=edge_index)
jit_conv = torch.jit.script(jit_conv)
assert jit_conv(x, edge_index).tolist() == out.tolist()
conv = GCNConv(in_channels, out_channels, cached=True)
out = conv(x, edge_index)
out = conv(x, edge_index)
assert out.size() == (num_nodes, out_channels)
assert conv(x, edge_index, edge_weight).size() == (num_nodes, out_channels)
jit_conv = conv.jittable(x=x, edge_index=edge_index)
jit_conv = torch.jit.script(jit_conv)
jit_conv(x, edge_index)
assert jit_conv(x, edge_index).tolist() == out.tolist()
def test_static_gcn_conv():
in_channels, out_channels = (16, 32)
edge_index = torch.tensor([[0, 0, 0, 1, 2, 3], [1, 2, 3, 0, 0, 0]])
num_nodes = edge_index.max().item() + 1
x = torch.randn((4, num_nodes, in_channels))
conv = GCNConv(in_channels, out_channels, node_dim=1)
out = conv(x, edge_index)
assert out.size() == (4, num_nodes, out_channels)
jit_conv = conv.jittable(x=x, edge_index=edge_index)
jit_conv = torch.jit.script(jit_conv)
assert jit_conv(x, edge_index).tolist() == out.tolist()
