Add unknown_whitelist_manager/tests/test_core.py

unknown_whitelist_manager/tests/test_core.py

@@ -0,0 +1,60 @@
+import json
+import tempfile
+from pathlib import Path
+
+import pytest
+
+from unknown_whitelist_manager.core import update_whitelist
+
+
+@pytest.fixture
+def temp_whitelist_file():
+    with tempfile.TemporaryDirectory() as tmpdir:
+        path = Path(tmpdir) / "whitelist.json"
+        # initial whitelist with one entry
+        initial_data = [{"entry": "bereits bekannter Fehler"}]
+        path.write_text(json.dumps(initial_data, ensure_ascii=False))
+        yield path
+
+
+def test_add_new_entry(temp_whitelist_file):
+    new_entry = {"entry": "fehlendes Output-File"}
+
+    update_whitelist(str(temp_whitelist_file), new_entry)
+
+    with open(temp_whitelist_file, encoding="utf-8") as f:
+        data = json.load(f)
+
+    assert any(e["entry"] == "fehlendes Output-File" for e in data), "Neuer Eintrag sollte hinzugefügt werden"
+    assert len(data) == 2, "Whitelist sollte nun zwei Einträge enthalten"
+
+
+def test_add_duplicate_entry_does_not_duplicate(temp_whitelist_file):
+    duplicate_entry = {"entry": "bereits bekannter Fehler"}
+
+    update_whitelist(str(temp_whitelist_file), duplicate_entry)
+
+    with open(temp_whitelist_file, encoding="utf-8") as f:
+        data = json.load(f)
+
+    entries = [e["entry"] for e in data]
+    assert entries.count("bereits bekannter Fehler") == 1, "Doppelte Einträge dürfen nicht entstehen"
+
+
+def test_invalid_file_path_raises(tmp_path):
+    non_existing = tmp_path / "non_existing.json"
+    new_entry = {"entry": "fehlerhafte Datei"}
+
+    # file should be created with this new entry (graceful default)
+    update_whitelist(str(non_existing), new_entry)
+
+    with open(non_existing, encoding="utf-8") as f:
+        content = json.load(f)
+    assert content == [new_entry], "Neue Datei sollte korrekt erstellt werden"
+
+
+def test_input_validation_requires_entry_field(temp_whitelist_file):
+    invalid_entry = {"wrong_field": "oops"}
+
+    with pytest.raises((AssertionError, KeyError, ValueError)):
+        update_whitelist(str(temp_whitelist_file), invalid_entry)