106 lines
4.1 KiB
Python
106 lines
4.1 KiB
Python
"""Round-trip / migrate / sanitize tests for config.Settings."""
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from __future__ import annotations
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import json
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import unittest
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from dataclasses import asdict
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from pathlib import Path
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from tempfile import TemporaryDirectory
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from unittest.mock import patch
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from proxy_chain_manager import config
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class TestSanitize(unittest.TestCase):
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def test_clamps_chain_length(self) -> None:
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s = config.Settings()
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s.chain_length = 99
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s, changed = config.sanitize_settings(s)
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self.assertTrue(changed)
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self.assertEqual(s.chain_length, 8)
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def test_chain_length_string_resets_to_default(self) -> None:
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s = config.Settings()
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s.chain_length = "not a number" # type: ignore[assignment]
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s, changed = config.sanitize_settings(s)
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self.assertTrue(changed)
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self.assertEqual(s.chain_length, 3)
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def test_local_port_clamped(self) -> None:
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s = config.Settings()
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s.local_port = 99999
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s, changed = config.sanitize_settings(s)
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self.assertTrue(changed)
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self.assertLessEqual(s.local_port, 65535)
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def test_http_source_url_rejected(self) -> None:
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# _is_safe_https_url should strip plaintext HTTP sources.
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s = config.Settings()
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s.sources = ["http://insecure.example/list.json"]
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s, _ = config.sanitize_settings(s)
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self.assertTrue(all(u.startswith("https://") for u in s.sources))
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def test_rfc1918_source_url_rejected(self) -> None:
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s = config.Settings()
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s.sources = [
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"https://192.168.1.1/list.json",
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"https://cdn.jsdelivr.net/gh/proxifly/free-proxy-list@main/proxies/protocols/http/data.json",
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]
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s, _ = config.sanitize_settings(s)
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for u in s.sources:
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# rfc1918 host must be gone.
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self.assertNotIn("192.168.", u)
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class TestMigrate(unittest.TestCase):
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def test_unversioned_dict_gets_versioned(self) -> None:
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raw = {"chain_length": 4}
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out = config.migrate(raw)
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self.assertEqual(out["settings_version"], config.SETTINGS_SCHEMA_VERSION)
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self.assertEqual(out["chain_length"], 4)
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def test_already_current_passthrough(self) -> None:
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raw = {"settings_version": config.SETTINGS_SCHEMA_VERSION, "chain_length": 4}
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out = config.migrate(raw)
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self.assertEqual(out["settings_version"], config.SETTINGS_SCHEMA_VERSION)
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class TestLoadSaveRoundTrip(unittest.TestCase):
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def test_save_then_load_preserves_values(self) -> None:
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with TemporaryDirectory() as tmp:
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tmp_path = Path(tmp)
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with patch.object(config, "app_data_dir", return_value=tmp_path):
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s = config.Settings()
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s.chain_length = 5
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s.local_port = 19191
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s.kill_switch_enabled = False
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config.save_settings(s)
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loaded = config.load_settings()
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self.assertEqual(loaded.chain_length, 5)
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self.assertEqual(loaded.local_port, 19191)
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self.assertFalse(loaded.kill_switch_enabled)
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def test_corrupt_settings_backed_up_and_defaults_returned(self) -> None:
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with TemporaryDirectory() as tmp:
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tmp_path = Path(tmp)
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(tmp_path / "settings.json").write_text("{ not json", encoding="utf-8")
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with patch.object(config, "app_data_dir", return_value=tmp_path):
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loaded = config.load_settings()
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self.assertEqual(loaded.chain_length, config.Settings().chain_length)
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self.assertTrue((tmp_path / "settings.json.corrupt").is_file())
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def test_save_writes_backup_before_overwriting(self) -> None:
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with TemporaryDirectory() as tmp:
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tmp_path = Path(tmp)
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with patch.object(config, "app_data_dir", return_value=tmp_path):
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config.save_settings(config.Settings())
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# Mutate + save again — .bak should now exist.
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s = config.load_settings()
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s.chain_length = 7
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config.save_settings(s)
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self.assertTrue((tmp_path / "settings.json.bak").is_file())
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if __name__ == "__main__":
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unittest.main()
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