refactor(tests): optimize unit test structure

tests/config/test_config_migration.py

@@ -0,0 +1,128 @@
+import json
+
+from nanobot.config.loader import load_config, save_config
+
+
+def test_load_config_keeps_max_tokens_and_ignores_legacy_memory_window(tmp_path) -> None:
+    config_path = tmp_path / "config.json"
+    config_path.write_text(
+        json.dumps(
+            {
+                "agents": {
+                    "defaults": {
+                        "maxTokens": 1234,
+                        "memoryWindow": 42,
+                    }
+                }
+            }
+        ),
+        encoding="utf-8",
+    )
+
+    config = load_config(config_path)
+
+    assert config.agents.defaults.max_tokens == 1234
+    assert config.agents.defaults.context_window_tokens == 65_536
+    assert not hasattr(config.agents.defaults, "memory_window")
+
+
+def test_save_config_writes_context_window_tokens_but_not_memory_window(tmp_path) -> None:
+    config_path = tmp_path / "config.json"
+    config_path.write_text(
+        json.dumps(
+            {
+                "agents": {
+                    "defaults": {
+                        "maxTokens": 2222,
+                        "memoryWindow": 30,
+                    }
+                }
+            }
+        ),
+        encoding="utf-8",
+    )
+
+    config = load_config(config_path)
+    save_config(config, config_path)
+    saved = json.loads(config_path.read_text(encoding="utf-8"))
+    defaults = saved["agents"]["defaults"]
+
+    assert defaults["maxTokens"] == 2222
+    assert defaults["contextWindowTokens"] == 65_536
+    assert "memoryWindow" not in defaults
+
+
+def test_onboard_does_not_crash_with_legacy_memory_window(tmp_path, monkeypatch) -> None:
+    config_path = tmp_path / "config.json"
+    workspace = tmp_path / "workspace"
+    config_path.write_text(
+        json.dumps(
+            {
+                "agents": {
+                    "defaults": {
+                        "maxTokens": 3333,
+                        "memoryWindow": 50,
+                    }
+                }
+            }
+        ),
+        encoding="utf-8",
+    )
+
+    monkeypatch.setattr("nanobot.config.loader.get_config_path", lambda: config_path)
+    monkeypatch.setattr("nanobot.cli.commands.get_workspace_path", lambda _workspace=None: workspace)
+
+    from typer.testing import CliRunner
+    from nanobot.cli.commands import app
+    runner = CliRunner()
+    result = runner.invoke(app, ["onboard"], input="n\n")
+
+    assert result.exit_code == 0
+
+
+def test_onboard_refresh_backfills_missing_channel_fields(tmp_path, monkeypatch) -> None:
+    from types import SimpleNamespace
+
+    config_path = tmp_path / "config.json"
+    workspace = tmp_path / "workspace"
+    config_path.write_text(
+        json.dumps(
+            {
+                "channels": {
+                    "qq": {
+                        "enabled": False,
+                        "appId": "",
+                        "secret": "",
+                        "allowFrom": [],
+                    }
+                }
+            }
+        ),
+        encoding="utf-8",
+    )
+
+    monkeypatch.setattr("nanobot.config.loader.get_config_path", lambda: config_path)
+    monkeypatch.setattr("nanobot.cli.commands.get_workspace_path", lambda _workspace=None: workspace)
+    monkeypatch.setattr(
+        "nanobot.channels.registry.discover_all",
+        lambda: {
+            "qq": SimpleNamespace(
+                default_config=lambda: {
+                    "enabled": False,
+                    "appId": "",
+                    "secret": "",
+                    "allowFrom": [],
+                    "msgFormat": "plain",
+                }
+            )
+        },
+    )
+
+    from typer.testing import CliRunner
+    from nanobot.cli.commands import app
+    runner = CliRunner()
+    result = runner.invoke(app, ["onboard"], input="n\n")
+
+    assert result.exit_code == 0
+    saved = json.loads(config_path.read_text(encoding="utf-8"))
+    assert saved["channels"]["qq"]["msgFormat"] == "plain"

tests/config/test_config_paths.py

@@ -0,0 +1,49 @@
+from pathlib import Path
+
+from nanobot.config.paths import (
+    get_bridge_install_dir,
+    get_cli_history_path,
+    get_cron_dir,
+    get_data_dir,
+    get_legacy_sessions_dir,
+    get_logs_dir,
+    get_media_dir,
+    get_runtime_subdir,
+    get_workspace_path,
+    is_default_workspace,
+)
+
+
+def test_runtime_dirs_follow_config_path(monkeypatch, tmp_path: Path) -> None:
+    config_file = tmp_path / "instance-a" / "config.json"
+    monkeypatch.setattr("nanobot.config.paths.get_config_path", lambda: config_file)
+
+    assert get_data_dir() == config_file.parent
+    assert get_runtime_subdir("cron") == config_file.parent / "cron"
+    assert get_cron_dir() == config_file.parent / "cron"
+    assert get_logs_dir() == config_file.parent / "logs"
+
+
+def test_media_dir_supports_channel_namespace(monkeypatch, tmp_path: Path) -> None:
+    config_file = tmp_path / "instance-b" / "config.json"
+    monkeypatch.setattr("nanobot.config.paths.get_config_path", lambda: config_file)
+
+    assert get_media_dir() == config_file.parent / "media"
+    assert get_media_dir("telegram") == config_file.parent / "media" / "telegram"
+
+
+def test_shared_and_legacy_paths_remain_global() -> None:
+    assert get_cli_history_path() == Path.home() / ".nanobot" / "history" / "cli_history"
+    assert get_bridge_install_dir() == Path.home() / ".nanobot" / "bridge"
+    assert get_legacy_sessions_dir() == Path.home() / ".nanobot" / "sessions"
+
+
+def test_workspace_path_is_explicitly_resolved() -> None:
+    assert get_workspace_path() == Path.home() / ".nanobot" / "workspace"
+    assert get_workspace_path("~/custom-workspace") == Path.home() / "custom-workspace"
+
+
+def test_is_default_workspace_distinguishes_default_and_custom_paths() -> None:
+    assert is_default_workspace(None) is True
+    assert is_default_workspace(Path.home() / ".nanobot" / "workspace") is True
+    assert is_default_workspace("~/custom-workspace") is False