Require new ontologies include a link to contribution guidelines (#1841)

* Add contributing link to new ontology form

This is one of the follow-up items to #1836, so review of this PR should wait until there's a decision on that one

* Add automated test for contribution guidelines on new ontologies

* Update test_integrity.py

* Update test_integrity.py

Author: cthoyt

.github/ISSUE_TEMPLATE/new-ontology.yml

@@ -102,6 +102,14 @@ body:
       placeholder: e.g. https://github.com/obophenotype/uberon/issues
     validations:
       required: true
+  - type: input
+    id: contributing
+    attributes:
+      label: Contribution Guidelines
+      description: What is the URL of contribution guidelines? Ideally, this is a file name CONTRIBUTING or CONTRIBUTING.md in the root of your repository.
+      placeholder: e.g. https://github.com/geneontology/go-ontology/blob/master/CONTRIBUTING.md
+    validations:
+      required: true
   - type: input
     id: download
     attributes:

tests/test_integrity.py

@@ -334,3 +334,29 @@ def test_repository_license(self):
                     OBO_TO_SPDX[obo_license],
                     msg="OBO Foundry license annotation does not match GitHub license",
                 )
+
+    def test_contribution_guidelines(self):
+        """Test that a contribution guidelines document is available in an expected location/format."""
+        for prefix, data in self.ontologies.items():
+            repository = data["repository"]
+            if not repository.startswith("https://github.com"):
+                continue
+            r = repository.removeprefix("https://github.com/").rstrip("/")
+            github_data = self._get_github_data(prefix)
+            default_branch = github_data["default_branch"]
+            paths = [
+                # Markdown
+                f"https://github.com/{r}/blob/{default_branch}/CONTRIBUTING.md",
+                f"https://github.com/{r}/blob/{default_branch}/docs/CONTRIBUTING.md",
+                f"https://github.com/{r}/blob/{default_branch}/.github/CONTRIBUTING.md",
+                # RST
+                f"https://github.com/{r}/blob/{default_branch}/CONTRIBUTING.rst",
+                f"https://github.com/{r}/blob/{default_branch}/docs/CONTRIBUTING.rst",
+                f"https://github.com/{r}/blob/{default_branch}/.github/CONTRIBUTING.rst",
+            ]
+            self.assertTrue(
+                any(requests.get(path).status_code == 200 for path in paths),
+                msg=f"Could not find a CONTRIBUTING.md file in the repository for {prefix} ({repository}) in any of "
+                "the standard locations defined by GitHub in https://docs.github.com/en/communities/setting-up-"
+                "your-project-for-healthy-contributions/setting-guidelines-for-repository-contributors.",
+            )