feat(cli): Platform option parity across Python and Node CLIs (MEM-5893) (#6696)

integrations/mem0-plugin/tests/test_load_settings.py

@@ -0,0 +1,86 @@
+"""Tests for scripts/load_settings.py."""
+
+from __future__ import annotations
+
+import json
+import os
+import subprocess
+import sys
+
+import pytest
+
+
+@pytest.fixture()
+def settings(tmp_path, monkeypatch):
+    import load_settings
+
+    path = tmp_path / ".mem0" / "settings.json"
+    monkeypatch.setattr(load_settings, "SETTINGS_PATH", path)
+    return load_settings
+
+
+def test_creates_file_when_absent(settings):
+    assert settings.create_default_settings() is True
+    assert settings.SETTINGS_PATH.exists()
+    assert json.loads(settings.SETTINGS_PATH.read_text()) == settings.DEFAULTS
+
+
+def test_does_not_recreate_or_overwrite_existing(settings):
+    settings.SETTINGS_PATH.parent.mkdir(parents=True)
+    settings.SETTINGS_PATH.write_text('{"search_limit": 42}')
+
+    assert settings.create_default_settings() is False
+    assert json.loads(settings.SETTINGS_PATH.read_text()) == {"search_limit": 42}
+
+
+def test_user_values_override_defaults(settings):
+    settings.SETTINGS_PATH.parent.mkdir(parents=True)
+    settings.SETTINGS_PATH.write_text('{"search_limit": 3, "auto_save": false}')
+
+    loaded = settings.load_settings()
+    assert loaded["search_limit"] == 3
+    assert loaded["auto_save"] is False
+    assert loaded["global_search"] == settings.DEFAULTS["global_search"]
+
+
+def test_unknown_keys_are_dropped_but_reported(settings):
+    settings.SETTINGS_PATH.parent.mkdir(parents=True)
+    settings.SETTINGS_PATH.write_text('{"skip_tools": ["Read"], "output_style": "compact"}')
+
+    assert "skip_tools" not in settings.load_settings()
+    assert settings.unknown_keys() == ["output_style", "skip_tools"]
+
+
+def test_unknown_keys_empty_for_clean_file(settings):
+    settings.create_default_settings()
+    assert settings.unknown_keys() == []
+
+
+@pytest.mark.parametrize("body", ["{not json", '["a", "list"]'])
+def test_malformed_file_falls_back_to_defaults(settings, body):
+    settings.SETTINGS_PATH.parent.mkdir(parents=True)
+    settings.SETTINGS_PATH.write_text(body)
+
+    assert settings.load_settings() == settings.DEFAULTS
+    assert settings.unknown_keys() == []
+
+
+def test_init_announces_creation_only_once(_isolated_home):
+    import load_settings
+
+    home = _isolated_home
+
+    def run_init():
+        return subprocess.run(
+            [sys.executable, load_settings.__file__, "init"],
+            capture_output=True,
+            text=True,
+            check=True,
+            env={**os.environ, "HOME": str(home)},
+        ).stdout
+
+    first = run_init()
+    second = run_init()
+
+    assert "Created" in first
+    assert "Created" not in second