def test_graph_serialize_with_labels():
num_graphs = 100
g_list = [generate_rand_graph(30) for _ in range(num_graphs)]
labels = {"label": F.zeros((num_graphs, 1))}
# create a temporary file and immediately release it so DGL can open it.
f = tempfile.NamedTemporaryFile(delete=False)
path = f.name
f.close()
save_graphs(path, g_list, labels)
idx_list = np.random.permutation(np.arange(num_graphs)).tolist()
loadg_list, l_labels0 = load_graphs(path, idx_list)
l_labels = load_labels(path)
assert F.allclose(l_labels['label'], labels['label'])
assert F.allclose(l_labels0['label'], labels['label'])
idx = idx_list[0]
load_g = loadg_list[0]
assert F.allclose(load_g.nodes(), g_list[idx].nodes())
load_edges = load_g.all_edges('uv', 'eid')
g_edges = g_list[idx].all_edges('uv', 'eid')
assert F.allclose(load_edges[0], g_edges[0])
assert F.allclose(load_edges[1], g_edges[1])
os.unlink(path)
def test_load_old_files2():
loadg_list, labels0 = load_graphs(
os.path.join(os.path.dirname(__file__), "data/2.bin"))
labels1 = load_labels(os.path.join(os.path.dirname(__file__),
"data/2.bin"))
idx, edges0, edges1, np_labels = np.load(os.path.join(
os.path.dirname(__file__), "data/2.npy"),
allow_pickle=True)
assert np.allclose(F.asnumpy(labels0['label']), np_labels)
assert np.allclose(F.asnumpy(labels1['label']), np_labels)
load_g = loadg_list[idx]
load_edges = load_g.all_edges('uv', 'eid')
assert np.allclose(F.asnumpy(load_edges[0]), edges0)
assert np.allclose(F.asnumpy(load_edges[1]), edges1)