Add test_prep_rel_one_node_type_01().

tests/icosagon/test_trainprep.py

@@ -8,7 +8,8 @@ from icosagon.trainprep import TrainValTest, \
     train_val_test_split_edges, \
     get_edges_and_degrees, \
     prepare_adj_mat, \
-    prepare_relation_type
+    prepare_relation_type, \
+    prep_rel_one_node_type
 import torch
 import pytest
 import numpy as np
@@ -110,6 +111,34 @@ def test_prepare_relation_type_01():
     _ = prepare_relation_type(r, ratios, False)
 
 
+def test_prep_rel_one_node_type_01():
+    adj_mat = torch.zeros(100)
+    perm = torch.randperm(100)
+    adj_mat[perm[:10]] = 1
+    adj_mat = adj_mat.view(10, 10)
+    rel = RelationType('Dummy Relation', 0, 0, adj_mat, None)
+    ratios = TrainValTest(.8, .1, .1)
+    prep_rel = prep_rel_one_node_type(rel, ratios)
+    assert prep_rel.name == rel.name
+    assert prep_rel.node_type_row == rel.node_type_row
+    assert prep_rel.node_type_column == rel.node_type_column
+    assert prep_rel.adjacency_matrix.shape == rel.adjacency_matrix.shape
+    assert prep_rel.adjacency_matrix_backward is None
+    assert len(prep_rel.edges_pos.train) == 8
+    assert len(prep_rel.edges_pos.val) == 1
+    assert len(prep_rel.edges_pos.test) == 1
+    assert len(prep_rel.edges_neg.train) == 8
+    assert len(prep_rel.edges_neg.val) == 1
+    assert len(prep_rel.edges_neg.test) == 1
+
+    assert len(prep_rel.edges_back_pos.train) == 0
+    assert len(prep_rel.edges_back_pos.val) == 0
+    assert len(prep_rel.edges_back_pos.test) == 0
+    assert len(prep_rel.edges_back_neg.train) == 0
+    assert len(prep_rel.edges_back_neg.val) == 0
+    assert len(prep_rel.edges_back_neg.test) == 0
+
+
 
 # def prepare_relation(r, ratios):
 #     adj_mat = r.adjacency_matrix