test: add pytest coverage for core modules

tests/test_discovery.py

@@ -0,0 +1,37 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from afs.discovery import discover_contexts, get_project_stats
+from afs.manager import AFSManager
+from afs.schema import AFSConfig, GeneralConfig
+
+
+def test_discover_contexts_ignores_names(tmp_path: Path) -> None:
+    root = tmp_path / "root"
+    root.mkdir()
+
+    alpha = root / "alpha"
+    alpha.mkdir()
+
+    legacy = root / "legacy"
+    legacy.mkdir()
+    beta = legacy / "beta"
+    beta.mkdir()
+
+    config = AFSConfig(
+        general=GeneralConfig(context_root=tmp_path / "context"),
+    )
+    manager = AFSManager(config=config)
+
+    manager.ensure(path=alpha)
+    manager.ensure(path=beta)
+
+    contexts = discover_contexts(search_paths=[root], config=config, max_depth=2)
+    names = [context.project_name for context in contexts]
+
+    assert "alpha" in names
+    assert "beta" not in names
+
+    stats = get_project_stats(contexts)
+    assert stats["total_projects"] == 1