Add tests for _is_hermes_version.

Author: zyzzyxdonta

test/hermes_test/test_marketplace.py

@@ -2,11 +2,103 @@
 # SPDX-License-Identifier: Apache-2.0
 # SPDX-FileContributor: David Pape
 
-from hermes.commands.marketplace import schema_org_hermes, SchemaOrgModel
+import requests_mock
+
+from hermes.commands.marketplace import (
+    schema_org_hermes,
+    SchemaOrgModel,
+    _is_hermes_reference,
+)
 
 
 def test_schema_org_hermes_doi_is_absolute():
     """The HERMES DOI rendered to the plugins list must always be a full URL."""
     assert isinstance(schema_org_hermes, SchemaOrgModel)
     assert schema_org_hermes.id_ is not None
     assert schema_org_hermes.id_.startswith("https://doi.org/")
+
+
+def test_concept_doi_is_hermes_reference():
+    """The HERMES concept DOI is a reference to HERMES.
+
+    We must be able to figure this out without asking DataCite.
+    """
+    with requests_mock.Mocker() as m:
+        assert _is_hermes_reference(
+            SchemaOrgModel(
+                type_="SoftwareSourceCode",
+                id_="https://doi.org/10.5281/zenodo.13221383",
+            )
+        )
+        # DataCite API was not called
+        assert m.call_count == 0
+
+
+def test_is_hermes_reference_if_datacite_api_returns_concept_doi_as_rel_id():
+    with requests_mock.Mocker() as m:
+        m.get(
+            "https://api.datacite.org/dois/10.9999/fake.1000",
+            text="""
+{
+  "data": {
+    "id": "10.9999/fake.1000",
+    "type": "dois",
+    "attributes": {
+      "doi": "10.9999/fake.1000",
+      "prefix": "10.9999",
+      "suffix": "fake.1000",
+      "relatedIdentifiers": [
+        {
+          "relationType": "IsVersionOf",
+          "relatedIdentifier": "10.5281/zenodo.13221383",
+          "relatedIdentifierType": "DOI"
+        }
+      ]
+    }
+  }
+}
+""".strip(),
+        )
+        # 10.5281/zenodo.13221383 retured from DataCite is HERMES concept DOI
+        assert _is_hermes_reference(
+            SchemaOrgModel(
+                type_="SoftwareSourceCode", id_="https://doi.org/10.9999/fake.1000"
+            )
+        )
+        # DataCite API was called once
+        assert m.call_count == 1
+
+
+def test_not_is_hermes_reference_if_datacite_api_returns_wrong_rel_id():
+    with requests_mock.Mocker() as m:
+        m.get(
+            "https://api.datacite.org/dois/10.9999/fake.2000",
+            text="""
+{
+  "data": {
+    "id": "10.9999/fake.2000",
+    "type": "dois",
+    "attributes": {
+      "doi": "10.9999/fake.2000",
+      "prefix": "10.9999",
+      "suffix": "fake.2000",
+      "relatedIdentifiers": [
+        {
+          "relationType": "IsVersionOf",
+          "relatedIdentifier": "10.9999/fake.1999",
+          "relatedIdentifierType": "DOI"
+        }
+      ]
+    }
+  }
+}
+""".strip(),
+        )
+        # 10.9999/fake.1999 returned from DataCite is not HERMES concept DOI
+        assert not _is_hermes_reference(
+            SchemaOrgModel(
+                type_="SoftwareSourceCode", id_="https://doi.org/10.9999/fake.2000"
+            )
+        )
+        # DataCite API was called once
+        assert m.call_count == 1