项目文件夹

文件
2023-07-19 10:48:46 +08:00

871 行
32 KiB
Python

import os
import tempfile
import gb_test_utils as gbt
import numpy as np
import pandas as pd
import pydantic
import pytest
import torch
import yaml
from dgl import graphbolt as gb
def test_OnDiskDataset_TVTSet_exceptions():
"""Test excpetions thrown when parsing TVTSet."""
with tempfile.TemporaryDirectory() as test_dir:
yaml_file = os.path.join(test_dir, "test.yaml")
# Case 1: ``format`` is invalid.
yaml_content = """
train_sets:
- - type: paper
format: torch_invalid
path: set/paper-train.pt
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
with pytest.raises(pydantic.ValidationError):
_ = gb.OnDiskDataset(yaml_file)
# Case 2: ``type`` is not specified while multiple TVT sets are specified.
yaml_content = """
train_sets:
- - type: null
format: numpy
path: set/train.npy
- type: null
format: numpy
path: set/train.npy
"""
with open(yaml_file, "w") as f:
f.write(yaml_content)
with pytest.raises(
AssertionError,
match=r"Only one TVT set is allowed if type is not specified.",
):
_ = gb.OnDiskDataset(yaml_file)
def test_OnDiskDataset_TVTSet_ItemSet_id_label():
"""Test TVTSet which returns ItemSet with IDs and labels."""
with tempfile.TemporaryDirectory() as test_dir:
train_ids = np.arange(1000)
train_labels = np.random.randint(0, 10, size=1000)
train_data = np.vstack([train_ids, train_labels]).T
train_path = os.path.join(test_dir, "train.npy")
np.save(train_path, train_data)
validation_ids = np.arange(1000, 2000)
validation_labels = np.random.randint(0, 10, size=1000)
validation_data = np.vstack([validation_ids, validation_labels]).T
validation_path = os.path.join(test_dir, "validation.npy")
np.save(validation_path, validation_data)
test_ids = np.arange(2000, 3000)
test_labels = np.random.randint(0, 10, size=1000)
test_data = np.vstack([test_ids, test_labels]).T
test_path = os.path.join(test_dir, "test.npy")
np.save(test_path, test_data)
# Case 1:
# all TVT sets are specified.
# ``type`` is not specified or specified as ``null``.
# ``in_memory`` could be ``true`` and ``false``.
yaml_content = f"""
train_sets:
- - type: null
format: numpy
in_memory: true
path: {train_path}
- - type: null
format: numpy
path: {train_path}
validation_sets:
- - format: numpy
path: {validation_path}
- - type: null
format: numpy
path: {validation_path}
test_sets:
- - type: null
format: numpy
in_memory: false
path: {test_path}
- - type: null
format: numpy
path: {test_path}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
# Verify train set.
train_sets = dataset.train_sets()
assert len(train_sets) == 2
for train_set in train_sets:
assert len(train_set) == 1000
assert isinstance(train_set, gb.ItemSet)
for i, (id, label) in enumerate(train_set):
assert id == train_ids[i]
assert label == train_labels[i]
train_sets = None
# Verify validation set.
validation_sets = dataset.validation_sets()
assert len(validation_sets) == 2
for validation_set in validation_sets:
assert len(validation_set) == 1000
assert isinstance(validation_set, gb.ItemSet)
for i, (id, label) in enumerate(validation_set):
assert id == validation_ids[i]
assert label == validation_labels[i]
validation_sets = None
# Verify test set.
test_sets = dataset.test_sets()
assert len(test_sets) == 2
for test_set in test_sets:
assert len(test_set) == 1000
assert isinstance(test_set, gb.ItemSet)
for i, (id, label) in enumerate(test_set):
assert id == test_ids[i]
assert label == test_labels[i]
test_sets = None
dataset = None
# Case 2: Some TVT sets are None.
yaml_content = f"""
train_sets:
- - type: null
format: numpy
path: {train_path}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
assert dataset.train_sets() is not None
assert dataset.validation_sets() is None
assert dataset.test_sets() is None
dataset = None
def test_OnDiskDataset_TVTSet_ItemSet_node_pair_label():
"""Test TVTSet which returns ItemSet with IDs and labels."""
with tempfile.TemporaryDirectory() as test_dir:
train_pairs = (np.arange(1000), np.arange(1000, 2000))
train_labels = np.random.randint(0, 10, size=1000)
train_data = np.vstack([train_pairs, train_labels]).T
train_path = os.path.join(test_dir, "train.npy")
np.save(train_path, train_data)
validation_pairs = (np.arange(1000, 2000), np.arange(2000, 3000))
validation_labels = np.random.randint(0, 10, size=1000)
validation_data = np.vstack([validation_pairs, validation_labels]).T
validation_path = os.path.join(test_dir, "validation.npy")
np.save(validation_path, validation_data)
test_pairs = (np.arange(2000, 3000), np.arange(3000, 4000))
test_labels = np.random.randint(0, 10, size=1000)
test_data = np.vstack([test_pairs, test_labels]).T
test_path = os.path.join(test_dir, "test.npy")
np.save(test_path, test_data)
yaml_content = f"""
train_sets:
- - type: null
format: numpy
in_memory: true
path: {train_path}
- - type: null
format: numpy
path: {train_path}
validation_sets:
- - format: numpy
path: {validation_path}
- - type: null
format: numpy
path: {validation_path}
test_sets:
- - type: null
format: numpy
in_memory: false
path: {test_path}
- - type: null
format: numpy
path: {test_path}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
# Verify train set.
train_sets = dataset.train_sets()
assert len(train_sets) == 2
for train_set in train_sets:
assert len(train_set) == 1000
assert isinstance(train_set, gb.ItemSet)
for i, (src, dst, label) in enumerate(train_set):
assert src == train_pairs[0][i]
assert dst == train_pairs[1][i]
assert label == train_labels[i]
train_sets = None
# Verify validation set.
validation_sets = dataset.validation_sets()
assert len(validation_sets) == 2
for validation_set in validation_sets:
assert len(validation_set) == 1000
assert isinstance(validation_set, gb.ItemSet)
for i, (src, dst, label) in enumerate(validation_set):
assert src == validation_pairs[0][i]
assert dst == validation_pairs[1][i]
assert label == validation_labels[i]
validation_sets = None
# Verify test set.
test_sets = dataset.test_sets()
assert len(test_sets) == 2
for test_set in test_sets:
assert len(test_set) == 1000
assert isinstance(test_set, gb.ItemSet)
for i, (src, dst, label) in enumerate(test_set):
assert src == test_pairs[0][i]
assert dst == test_pairs[1][i]
assert label == test_labels[i]
test_sets = None
dataset = None
def test_OnDiskDataset_TVTSet_ItemSetDict_id_label():
"""Test TVTSet which returns ItemSetDict with IDs and labels."""
with tempfile.TemporaryDirectory() as test_dir:
train_ids = np.arange(1000)
train_labels = np.random.randint(0, 10, size=1000)
train_data = np.vstack([train_ids, train_labels]).T
train_path = os.path.join(test_dir, "train.npy")
np.save(train_path, train_data)
validation_ids = np.arange(1000, 2000)
validation_labels = np.random.randint(0, 10, size=1000)
validation_data = np.vstack([validation_ids, validation_labels]).T
validation_path = os.path.join(test_dir, "validation.npy")
np.save(validation_path, validation_data)
test_ids = np.arange(2000, 3000)
test_labels = np.random.randint(0, 10, size=1000)
test_data = np.vstack([test_ids, test_labels]).T
test_path = os.path.join(test_dir, "test.npy")
np.save(test_path, test_data)
yaml_content = f"""
train_sets:
- - type: paper
format: numpy
in_memory: true
path: {train_path}
- - type: author
format: numpy
path: {train_path}
validation_sets:
- - type: paper
format: numpy
path: {validation_path}
- - type: author
format: numpy
path: {validation_path}
test_sets:
- - type: paper
format: numpy
in_memory: false
path: {test_path}
- - type: author
format: numpy
path: {test_path}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
# Verify train set.
train_sets = dataset.train_sets()
assert len(train_sets) == 2
for train_set in train_sets:
assert len(train_set) == 1000
assert isinstance(train_set, gb.ItemSetDict)
for i, item in enumerate(train_set):
assert isinstance(item, dict)
assert len(item) == 1
key = list(item.keys())[0]
assert key in ["paper", "author"]
id, label = item[key]
assert id == train_ids[i]
assert label == train_labels[i]
train_sets = None
# Verify validation set.
validation_sets = dataset.validation_sets()
assert len(validation_sets) == 2
for validation_set in validation_sets:
assert len(validation_set) == 1000
assert isinstance(train_set, gb.ItemSetDict)
for i, item in enumerate(validation_set):
assert isinstance(item, dict)
assert len(item) == 1
key = list(item.keys())[0]
assert key in ["paper", "author"]
id, label = item[key]
assert id == validation_ids[i]
assert label == validation_labels[i]
validation_sets = None
# Verify test set.
test_sets = dataset.test_sets()
assert len(test_sets) == 2
for test_set in test_sets:
assert len(test_set) == 1000
assert isinstance(train_set, gb.ItemSetDict)
for i, item in enumerate(test_set):
assert isinstance(item, dict)
assert len(item) == 1
key = list(item.keys())[0]
assert key in ["paper", "author"]
id, label = item[key]
assert id == test_ids[i]
assert label == test_labels[i]
test_sets = None
dataset = None
def test_OnDiskDataset_TVTSet_ItemSetDict_node_pair_label():
"""Test TVTSet which returns ItemSetDict with node pairs and labels."""
with tempfile.TemporaryDirectory() as test_dir:
train_pairs = (np.arange(1000), np.arange(1000, 2000))
train_labels = np.random.randint(0, 10, size=1000)
train_data = np.vstack([train_pairs, train_labels]).T
train_path = os.path.join(test_dir, "train.npy")
np.save(train_path, train_data)
validation_pairs = (np.arange(1000, 2000), np.arange(2000, 3000))
validation_labels = np.random.randint(0, 10, size=1000)
validation_data = np.vstack([validation_pairs, validation_labels]).T
validation_path = os.path.join(test_dir, "validation.npy")
np.save(validation_path, validation_data)
test_pairs = (np.arange(2000, 3000), np.arange(3000, 4000))
test_labels = np.random.randint(0, 10, size=1000)
test_data = np.vstack([test_pairs, test_labels]).T
test_path = os.path.join(test_dir, "test.npy")
np.save(test_path, test_data)
yaml_content = f"""
train_sets:
- - type: paper
format: numpy
in_memory: true
path: {train_path}
- - type: author
format: numpy
path: {train_path}
validation_sets:
- - type: paper
format: numpy
path: {validation_path}
- - type: author
format: numpy
path: {validation_path}
test_sets:
- - type: paper
format: numpy
in_memory: false
path: {test_path}
- - type: author
format: numpy
path: {test_path}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
# Verify train set.
train_sets = dataset.train_sets()
assert len(train_sets) == 2
for train_set in train_sets:
assert len(train_set) == 1000
assert isinstance(train_set, gb.ItemSetDict)
for i, item in enumerate(train_set):
assert isinstance(item, dict)
assert len(item) == 1
key = list(item.keys())[0]
assert key in ["paper", "author"]
src, dst, label = item[key]
assert src == train_pairs[0][i]
assert dst == train_pairs[1][i]
assert label == train_labels[i]
train_sets = None
# Verify validation set.
validation_sets = dataset.validation_sets()
assert len(validation_sets) == 2
for validation_set in validation_sets:
assert len(validation_set) == 1000
assert isinstance(train_set, gb.ItemSetDict)
for i, item in enumerate(validation_set):
assert isinstance(item, dict)
assert len(item) == 1
key = list(item.keys())[0]
assert key in ["paper", "author"]
src, dst, label = item[key]
assert src == validation_pairs[0][i]
assert dst == validation_pairs[1][i]
assert label == validation_labels[i]
validation_sets = None
# Verify test set.
test_sets = dataset.test_sets()
assert len(test_sets) == 2
for test_set in test_sets:
assert len(test_set) == 1000
assert isinstance(train_set, gb.ItemSetDict)
for i, item in enumerate(test_set):
assert isinstance(item, dict)
assert len(item) == 1
key = list(item.keys())[0]
assert key in ["paper", "author"]
src, dst, label = item[key]
assert src == test_pairs[0][i]
assert dst == test_pairs[1][i]
assert label == test_labels[i]
test_sets = None
dataset = None
def test_OnDiskDataset_Feature_heterograph():
"""Test Feature storage."""
with tempfile.TemporaryDirectory() as test_dir:
# Generate node data.
node_data_paper = np.random.rand(1000, 10)
node_data_paper_path = os.path.join(test_dir, "node_data_paper.npy")
np.save(node_data_paper_path, node_data_paper)
node_data_label = np.random.randint(0, 10, size=1000)
node_data_label_path = os.path.join(test_dir, "node_data_label.npy")
np.save(node_data_label_path, node_data_label)
# Generate edge data.
edge_data_writes = np.random.rand(1000, 10)
edge_data_writes_path = os.path.join(test_dir, "edge_writes_paper.npy")
np.save(edge_data_writes_path, edge_data_writes)
edge_data_label = np.random.randint(0, 10, size=1000)
edge_data_label_path = os.path.join(test_dir, "edge_data_label.npy")
np.save(edge_data_label_path, edge_data_label)
# Generate YAML.
yaml_content = f"""
feature_data:
- domain: node
type: paper
name: feat
format: numpy
in_memory: false
path: {node_data_paper_path}
- domain: node
type: paper
name: label
format: numpy
in_memory: true
path: {node_data_label_path}
- domain: edge
type: "author:writes:paper"
name: feat
format: numpy
in_memory: false
path: {edge_data_writes_path}
- domain: edge
type: "author:writes:paper"
name: label
format: numpy
in_memory: true
path: {edge_data_label_path}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
# Verify feature data storage.
feature_data = dataset.feature()
assert len(feature_data) == 4
# Verify node feature data.
node_paper_feat = feature_data[("node", "paper", "feat")]
assert isinstance(node_paper_feat, gb.TorchBasedFeatureStore)
assert torch.equal(
node_paper_feat.read(), torch.tensor(node_data_paper)
)
node_paper_label = feature_data[("node", "paper", "label")]
assert isinstance(node_paper_label, gb.TorchBasedFeatureStore)
assert torch.equal(
node_paper_label.read(), torch.tensor(node_data_label)
)
# Verify edge feature data.
edge_writes_feat = feature_data[("edge", "author:writes:paper", "feat")]
assert isinstance(edge_writes_feat, gb.TorchBasedFeatureStore)
assert torch.equal(
edge_writes_feat.read(), torch.tensor(edge_data_writes)
)
edge_writes_label = feature_data[
("edge", "author:writes:paper", "label")
]
assert isinstance(edge_writes_label, gb.TorchBasedFeatureStore)
assert torch.equal(
edge_writes_label.read(), torch.tensor(edge_data_label)
)
node_paper_feat = None
node_paper_label = None
edge_writes_feat = None
edge_writes_label = None
feature_data = None
dataset = None
def test_OnDiskDataset_Feature_homograph():
"""Test Feature storage."""
with tempfile.TemporaryDirectory() as test_dir:
# Generate node data.
node_data_feat = np.random.rand(1000, 10)
node_data_feat_path = os.path.join(test_dir, "node_data_feat.npy")
np.save(node_data_feat_path, node_data_feat)
node_data_label = np.random.randint(0, 10, size=1000)
node_data_label_path = os.path.join(test_dir, "node_data_label.npy")
np.save(node_data_label_path, node_data_label)
# Generate edge data.
edge_data_feat = np.random.rand(1000, 10)
edge_data_feat_path = os.path.join(test_dir, "edge_data_feat.npy")
np.save(edge_data_feat_path, edge_data_feat)
edge_data_label = np.random.randint(0, 10, size=1000)
edge_data_label_path = os.path.join(test_dir, "edge_data_label.npy")
np.save(edge_data_label_path, edge_data_label)
# Generate YAML.
# ``type`` is not specified in the YAML.
yaml_content = f"""
feature_data:
- domain: node
name: feat
format: numpy
in_memory: false
path: {node_data_feat_path}
- domain: node
name: label
format: numpy
in_memory: true
path: {node_data_label_path}
- domain: edge
name: feat
format: numpy
in_memory: false
path: {edge_data_feat_path}
- domain: edge
name: label
format: numpy
in_memory: true
path: {edge_data_label_path}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
# Verify feature data storage.
feature_data = dataset.feature()
assert len(feature_data) == 4
# Verify node feature data.
node_feat = feature_data[("node", None, "feat")]
assert isinstance(node_feat, gb.TorchBasedFeatureStore)
assert torch.equal(node_feat.read(), torch.tensor(node_data_feat))
node_label = feature_data[("node", None, "label")]
assert isinstance(node_label, gb.TorchBasedFeatureStore)
assert torch.equal(node_label.read(), torch.tensor(node_data_label))
# Verify edge feature data.
edge_feat = feature_data[("edge", None, "feat")]
assert isinstance(edge_feat, gb.TorchBasedFeatureStore)
assert torch.equal(edge_feat.read(), torch.tensor(edge_data_feat))
edge_label = feature_data[("edge", None, "label")]
assert isinstance(edge_label, gb.TorchBasedFeatureStore)
assert torch.equal(edge_label.read(), torch.tensor(edge_data_label))
node_feat = None
node_label = None
edge_feat = None
edge_label = None
feature_data = None
dataset = None
def test_OnDiskDataset_Graph_Exceptions():
"""Test exceptions in parsing graph topology."""
with tempfile.TemporaryDirectory() as test_dir:
# Invalid graph type.
yaml_content = """
graph_topology:
type: CSRSamplingGraph
path: /path/to/graph
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
with pytest.raises(
pydantic.ValidationError,
match="1 validation error for OnDiskMetaData",
):
_ = gb.OnDiskDataset(yaml_file)
def test_OnDiskDataset_Graph_homogeneous():
"""Test homogeneous graph topology."""
csc_indptr, indices = gbt.random_homo_graph(1000, 10 * 1000)
graph = gb.from_csc(csc_indptr, indices)
with tempfile.TemporaryDirectory() as test_dir:
graph_path = os.path.join(test_dir, "csc_sampling_graph.tar")
gb.save_csc_sampling_graph(graph, graph_path)
yaml_content = f"""
graph_topology:
type: CSCSamplingGraph
path: {graph_path}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
graph2 = dataset.graph()
assert graph.num_nodes == graph2.num_nodes
assert graph.num_edges == graph2.num_edges
assert torch.equal(graph.csc_indptr, graph2.csc_indptr)
assert torch.equal(graph.indices, graph2.indices)
assert graph.metadata is None and graph2.metadata is None
assert (
graph.node_type_offset is None and graph2.node_type_offset is None
)
assert graph.type_per_edge is None and graph2.type_per_edge is None
def test_OnDiskDataset_Graph_heterogeneous():
"""Test heterogeneous graph topology."""
(
csc_indptr,
indices,
node_type_offset,
type_per_edge,
metadata,
) = gbt.random_hetero_graph(1000, 10 * 1000, 3, 4)
graph = gb.from_csc(
csc_indptr, indices, node_type_offset, type_per_edge, None, metadata
)
with tempfile.TemporaryDirectory() as test_dir:
graph_path = os.path.join(test_dir, "csc_sampling_graph.tar")
gb.save_csc_sampling_graph(graph, graph_path)
yaml_content = f"""
graph_topology:
type: CSCSamplingGraph
path: {graph_path}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
graph2 = dataset.graph()
assert graph.num_nodes == graph2.num_nodes
assert graph.num_edges == graph2.num_edges
assert torch.equal(graph.csc_indptr, graph2.csc_indptr)
assert torch.equal(graph.indices, graph2.indices)
assert torch.equal(graph.node_type_offset, graph2.node_type_offset)
assert torch.equal(graph.type_per_edge, graph2.type_per_edge)
assert graph.metadata.node_type_to_id == graph2.metadata.node_type_to_id
assert graph.metadata.edge_type_to_id == graph2.metadata.edge_type_to_id
def test_OnDiskDataset_Metadata():
"""Test metadata of OnDiskDataset."""
with tempfile.TemporaryDirectory() as test_dir:
# All metadata fields are specified.
dataset_name = "graphbolt_test"
num_classes = 10
num_labels = 9
yaml_content = f"""
dataset_name: {dataset_name}
num_classes: {num_classes}
num_labels: {num_labels}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
assert dataset.dataset_name == dataset_name
assert dataset.num_classes == num_classes
assert dataset.num_labels == num_labels
# Only dataset_name is specified.
yaml_content = f"""
dataset_name: {dataset_name}
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
dataset = gb.OnDiskDataset(yaml_file)
assert dataset.dataset_name == dataset_name
assert dataset.num_classes is None
assert dataset.num_labels is None
def test_OnDiskDataset_preprocess_homogeneous():
"""Test preprocess of OnDiskDataset."""
with tempfile.TemporaryDirectory() as test_dir:
# All metadata fields are specified.
dataset_name = "graphbolt_test"
num_nodes = 4000
num_edges = 20000
num_classes = 10
num_labels = 9
# Generate random edges.
nodes = np.repeat(np.arange(num_nodes), 5)
neighbors = np.random.randint(0, num_nodes, size=(num_edges))
edges = np.stack([nodes, neighbors], axis=1)
# Wrtie into edges/edge.csv
os.makedirs(os.path.join(test_dir, "edges/"), exist_ok=True)
edges = pd.DataFrame(edges, columns=["src", "dst"])
edges.to_csv(
os.path.join(test_dir, "edges/edge.csv"),
index=False,
header=False,
)
# Generate random graph edge-feats.
edge_feats = np.random.rand(num_edges, 5)
os.makedirs(os.path.join(test_dir, "data/"), exist_ok=True)
np.save(os.path.join(test_dir, "data/edge-feat.npy"), edge_feats)
# Generate random node-feats.
node_feats = np.random.rand(num_nodes, 10)
np.save(os.path.join(test_dir, "data/node-feat.npy"), node_feats)
# Generate train/test/valid set.
os.makedirs(os.path.join(test_dir, "set/"), exist_ok=True)
train_pairs = (np.arange(1000), np.arange(1000, 2000))
train_labels = np.random.randint(0, 10, size=1000)
train_data = np.vstack([train_pairs, train_labels]).T
train_path = os.path.join(test_dir, "set/train.npy")
np.save(train_path, train_data)
validation_pairs = (np.arange(1000, 2000), np.arange(2000, 3000))
validation_labels = np.random.randint(0, 10, size=1000)
validation_data = np.vstack([validation_pairs, validation_labels]).T
validation_path = os.path.join(test_dir, "set/validation.npy")
np.save(validation_path, validation_data)
test_pairs = (np.arange(2000, 3000), np.arange(3000, 4000))
test_labels = np.random.randint(0, 10, size=1000)
test_data = np.vstack([test_pairs, test_labels]).T
test_path = os.path.join(test_dir, "set/test.npy")
np.save(test_path, test_data)
yaml_content = f"""
dataset_name: {dataset_name}
num_classes: {num_classes}
num_labels: {num_labels}
graph: # graph structure and required attributes.
nodes:
- num: {num_nodes}
edges:
- format: csv
path: edges/edge.csv
feature_data:
- domain: edge
type: null
name: feat
format: numpy
in_memory: true
path: data/edge-feat.npy
feature_data:
- domain: node
type: null
name: feat
format: numpy
in_memory: false
path: data/node-feat.npy
train_sets:
- - type_name: null
# shape: (num_trains, 3), 3 for (src, dst, label).
format: numpy
path: set/train.npy
validation_sets:
- - type_name: null
format: numpy
path: set/validation.npy
test_sets:
- - type_name: null
format: numpy
path: set/test.npy
"""
yaml_file = os.path.join(test_dir, "test.yaml")
with open(yaml_file, "w") as f:
f.write(yaml_content)
output_file = gb.ondisk_dataset.preprocess_ondisk_dataset(yaml_file)
with open(output_file, "rb") as f:
processed_dataset = yaml.load(f, Loader=yaml.Loader)
assert processed_dataset["dataset_name"] == dataset_name
assert processed_dataset["num_classes"] == num_classes
assert processed_dataset["num_labels"] == num_labels
assert "graph" not in processed_dataset
assert "graph_topology" in processed_dataset
csc_sampling_graph = gb.csc_sampling_graph.load_csc_sampling_graph(
os.path.join(test_dir, processed_dataset["graph_topology"]["path"])
)
assert csc_sampling_graph.num_nodes == num_nodes
assert csc_sampling_graph.num_edges == num_edges
num_samples = 100
fanout = 1
subgraph = csc_sampling_graph.sample_neighbors(
torch.arange(num_samples),
torch.tensor([fanout]),
)
assert len(list(subgraph.node_pairs.values())[0][0]) <= num_samples