add biolink subset test separte from other example tests for ease of …

…teaching

tests/test_transformer/test_biolink_subsetting.py

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+from pathlib import Path
+from linkml_runtime.dumpers import yaml_dumper
+import pytest
+from pprint import pprint
+from linkml_map.datamodel.transformer_model import TransformationSpecification
+from linkml_map.inference.schema_mapper import SchemaMapper
+from linkml_map.session import Session
+from linkml_runtime.utils.schemaview import SchemaView
+from src.linkml_map.utils.loaders import load_specification
+from linkml_map.transformer.transformer import Transformer
+from linkml_map.utils.multi_file_transformer import Transformation
+
+
+
+
+def test_biolink_subsetting():
+    # Test that the subsetting of the Biolink Model is correct
+    # This test is a placeholder and should be replaced with a real test
+    repo_root = Path(__file__).resolve().parent.parent
+    schema_url = "https://raw.githubusercontent.com/biolink/biolink-model/master/biolink-model.yaml"
+    sv = SchemaView(schema_url)
+
+    transform_file = repo_root / "input/examples/biolink/transform/biolink-example-profile.transform.yaml"
+    # Initialize Session and SchemaBuilder
+    session = Session()
+
+    # Set the source schema in the session
+    session.set_source_schema(sv)
+
+    SUBSET_CLASSES = ["gene",
+                      "disease",
+                      "case to phenotypic feature association",
+                      "gene to disease association",
+                      "gene to phenotypic feature association",
+                      "case",
+                      "phenotypic feature",
+                      ]
+
+
+    tr_spec = load_specification(transform_file)
+    mapper = SchemaMapper()
+    mapper.source_schemaview = sv
+
+    target_schema_obj = mapper.derive_schema(specification=tr_spec,
+                                             target_schema_id="biolink-profile",
+                                             target_schema_name="BiolinkProfile")
+
+    yaml_dumper.dump(target_schema_obj, str("biolink-profile.yaml"))