test: Add tests for export cleanup tracking and module aliasing behavior

tests/test_export_cleanup.py

@@ -0,0 +1,67 @@
+"""
+Tests for export cleanup tracking in ExportManager.
+"""
+
+import os
+import sys
+import tempfile
+from pathlib import Path
+
+# Ensure src imports like other tests do
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "src"))
+
+from export_manager import ExportManager
+from data_manager import DataManager
+from medicine_manager import MedicineManager
+from pathology_manager import PathologyManager
+from init import logger
+
+
+def test_export_cleanup_on_del():
+    # Setup a temporary workspace and CSV
+    tmpdir = tempfile.mkdtemp()
+    csv_path = os.path.join(tmpdir, "data.csv")
+
+    # Minimal managers
+    med = MedicineManager(logger=logger)
+    path = PathologyManager(logger=logger)
+    data = DataManager(csv_path, logger, med, path)
+
+    # Create a couple of rows so export works
+    data.add_entry([
+        "2024-01-01", 1, 1, 1, 1, 1, "", 0, "", 0, "", 0, "", 0, "", "note"
+    ])
+
+    em = ExportManager(data, graph_manager=None, medicine_manager=med, pathology_manager=path, logger=logger)
+
+    json_path = os.path.join(tmpdir, "out.json")
+    xml_path = os.path.join(tmpdir, "out.xml")
+
+    assert em.export_data_to_json(json_path) is True
+    assert em.export_data_to_xml(xml_path) is True
+
+    # Files should exist now
+    assert os.path.exists(json_path)
+    assert os.path.exists(xml_path)
+
+    # Deleting the export manager should best-effort remove its tracked files
+    del em
+
+    # Force garbage collection to trigger __del__ in CPython test environment
+    import gc
+
+    gc.collect()
+
+    assert not os.path.exists(json_path)
+    assert not os.path.exists(xml_path)
+
+    # Cleanup temp dir
+    try:
+        os.unlink(csv_path)
+    except Exception:
+        pass
+    try:
+        os.rmdir(tmpdir)
+    except Exception:
+        # If test fails earlier, ignore
+        pass

tests/test_module_aliasing.py

@@ -0,0 +1,40 @@
+"""
+Tiny tests to verify module aliasing behavior between 'src.*' and top-level
+modules for compatibility with test patching.
+"""
+
+import os
+import sys
+import importlib
+
+
+# Ensure 'src' is importable like other tests do
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..", "src"))
+
+
+def test_graph_manager_aliasing_shared_module_object():
+    import src.graph_manager as gm_src
+
+    gm_top = importlib.import_module("graph_manager")
+
+    # Both import paths should refer to the same module object
+    assert gm_src is gm_top
+
+    # Patching a symbol on one should reflect in the other
+    sentinel = object()
+    setattr(gm_top, "ALIAS_TEST_SENTINEL", sentinel)
+    assert getattr(gm_src, "ALIAS_TEST_SENTINEL") is sentinel
+
+
+def test_logger_aliasing_shared_module_object():
+    import src.logger as logger_src
+
+    logger_top = importlib.import_module("logger")
+
+    # Both import paths should refer to the same module object
+    assert logger_src is logger_top
+
+    # Changing a config attribute should be visible via the other name
+    new_path = "/tmp/thechart-test-alias"
+    logger_top.LOG_PATH = new_path
+    assert logger_src.LOG_PATH == new_path