Chore: Increase test coverage for external_needs.py

Author: MaximilianSoerenPollak

src/extensions/score_metamodel/tests/test_external_needs.py

@@ -10,15 +10,38 @@
 #
 # SPDX-License-Identifier: Apache-2.0
 # *******************************************************************************
+
+# ╓                                                          ╖
+# ║ Some portions generated by CoPilot                       ║
+# ╙                                                          ╜
+
+from __future__ import annotations
+
 import pytest
 
-from ..external_needs import ExternalNeedsSource, parse_external_needs_sources_from_DATA
+import json
+from pathlib import Path
+from sphinx.config import Config
+
+import score_metamodel.external_needs as ext_needs
+
+from score_metamodel.external_needs import (
+    ExternalNeedsSource,
+    parse_external_needs_sources_from_DATA,
+    get_external_needs_source,
+    add_external_docs_sources,
+    add_external_needs_json,
+)
 
 
 def test_empty_list():
     assert parse_external_needs_sources_from_DATA("[]") == []
 
 
+def test_external_str_does_not_start_with_at():
+    assert get_external_needs_source('["noatrepo//foo/bar:baz"]') == []
+
+
 def test_single_entry_with_path():
     result = parse_external_needs_sources_from_DATA('["@repo//foo/bar:baz"]')
     # IF a target has a path, it will not be reported as external needs
@@ -69,4 +92,91 @@ def test_invalid_entry():
         _ = parse_external_needs_sources_from_DATA('["@not_a_valid_string"]')
 
 
-def test_parser(): ...
+def test_add_external_needs_json_appends_entry(
+    monkeypatch: pytest.MonkeyPatch, tmp_path: Path
+) -> None:
+    """add_external_needs_json should append one external needs mapping entry."""
+    # Arrange
+    e = ExternalNeedsSource(
+        bazel_module="ext_mod", target="needs_json", path_to_target=""
+    )
+    config = Config()
+    config.needs_external_needs = []
+
+    runfiles_dir = tmp_path
+    rel_json = Path("ext_mod+/needs_json/_build/needs/needs.json")
+    json_path = runfiles_dir / rel_json
+    json_path.parent.mkdir(parents=True, exist_ok=True)
+    json_path.write_text(
+        json.dumps({"project_url": "https://example.test/repo"}), encoding="utf-8"
+    )
+
+    monkeypatch.setattr(ext_needs, "get_runfiles_dir", lambda: runfiles_dir)
+
+    add_external_needs_json(e, config)
+
+    assert config.needs_external_needs is not None
+    assert len(config.needs_external_needs) == 1
+    entry = config.needs_external_needs[0]
+    assert entry["base_url"] == "https://example.test/repo/main"
+    assert Path(entry["json_path"]) == json_path
+
+
+def test_add_external_needs_json_missing_file_keeps_list_empty(
+    monkeypatch: pytest.MonkeyPatch, tmp_path: Path
+) -> None:
+    """add_external_needs_json should return gracefully when JSON file is missing."""
+    # Arrange
+    e = ExternalNeedsSource(
+        bazel_module="ext_mod", target="needs_json", path_to_target=""
+    )
+    config = Config()
+    config.needs_external_needs = []
+
+    monkeypatch.setattr(ext_needs, "get_runfiles_dir", lambda: tmp_path)
+
+    add_external_needs_json(e, config)
+
+    # Assert
+    assert config.needs_external_needs == []
+
+
+def test_add_external_docs_sources_adds_collection(
+    monkeypatch: pytest.MonkeyPatch, tmp_path: Path
+) -> None:
+    """add_external_docs_sources should add one symlink collection entry."""
+    e = ExternalNeedsSource(
+        bazel_module="third_party_docs", target="docs_sources", path_to_target=""
+    )
+    config = Config()
+    config.collections = {}
+
+    monkeypatch.setattr(ext_needs, "get_runfiles_dir", lambda: tmp_path)
+
+    add_external_docs_sources(e, config)
+
+    assert config.collections is not None
+    assert "third_party_docs" in config.collections
+    entry = config.collections["third_party_docs"]
+    assert entry["driver"] == "symlink"
+    assert entry["source"] == str(tmp_path / "third_party_docs+")
+    assert entry["target"] == "third_party_docs"
+
+
+def test_add_external_docs_sources_ide_support_returns_without_changes(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    """add_external_docs_sources should exit early for ide_support.runfiles paths."""
+    e = ExternalNeedsSource(
+        bazel_module="third_party_docs", target="docs_sources", path_to_target=""
+    )
+    config = Config()
+    config.collections = {}
+
+    monkeypatch.setattr(
+        ext_needs, "get_runfiles_dir", lambda: Path("/tmp/ide_support.runfiles")
+    )
+
+    add_external_docs_sources(e, config)
+
+    assert config.collections == {}