def test_discrete_train_test_split_dynamic_batch():
snapshot_count = 250
node_count = 100
feature_count = 32
graph_count = 10
edge_indices, edge_weights, features, targets, batches = generate_signal(
snapshot_count, node_count, feature_count, graph_count)
dataset = DynamicGraphTemporalSignalBatch(edge_indices, edge_weights,
features, targets, batches)
train_dataset, test_dataset = temporal_signal_split(dataset, 0.8)
for epoch in range(2):
for snapshot in test_dataset:
assert snapshot.edge_index.shape[0] == 2
assert snapshot.edge_index.shape[1] == snapshot.edge_attr.shape[0]
assert snapshot.x.shape == (node_count * graph_count,
feature_count)
assert snapshot.y.shape == (node_count * graph_count, )
for epoch in range(2):
for snapshot in train_dataset:
assert snapshot.edge_index.shape[0] == 2
assert snapshot.edge_index.shape[1] == snapshot.edge_attr.shape[0]
assert snapshot.x.shape == (node_count * graph_count,
feature_count)
assert snapshot.y.shape == (node_count * graph_count, )
def test_dynamic_graph_temporal_signal_batch_additional_attrs():
dataset = DynamicGraphTemporalSignalBatch([None], [None], [None], [None],
[None],
optional1=[np.array([1])],
optional2=[np.array([2])])
assert dataset.additional_feature_keys == ["optional1", "optional2"]
for snapshot in dataset:
assert snapshot.optional1.shape == (1, )
assert snapshot.optional2.shape == (1, )
def test_dynamic_graph_temporal_signal_batch():
dataset = DynamicGraphTemporalSignalBatch([None, None], [None, None],
[None, None], [None, None],
[None, None])
for snapshot in dataset:
assert snapshot.edge_index is None
assert snapshot.edge_attr is None
assert snapshot.x is None
assert snapshot.y is None
assert snapshot.batch is None
def test_dynamic_graph_temporal_signal_real_batch():
snapshot_count = 250
n_count = 100
feature_count = 32
graph_count = 10
edge_indices, edge_weights, features, targets, batches = generate_signal(
250, 100, 32, graph_count)
dataset = DynamicGraphTemporalSignalBatch(edge_indices, edge_weights,
features, targets, batches)
for epoch in range(2):
for snapshot in dataset:
assert snapshot.edge_index.shape[0] == 2
assert snapshot.edge_index.shape[1] == snapshot.edge_attr.shape[0]
assert snapshot.x.shape == (1000, 32)
assert snapshot.y.shape == (1000, )
assert snapshot.batch.shape == (1000, )