feat: add outfit output directory

tests/test_ai_outfit_panel.py

@@ -0,0 +1,69 @@
+"""Smoke tests for AI outfit panel defaults (offscreen Qt)."""
+import os
+import shutil
+import sys
+import tempfile
+import unittest
+from pathlib import Path
+
+os.environ.setdefault("QT_QPA_PLATFORM", "offscreen")
+sys.path.insert(0, str(Path(__file__).parent.parent / "src"))
+
+import services.file_service as fs
+from services.config_service import DEFAULT_CONFIG
+
+
+class TestAiOutfitPanelDefaults(unittest.TestCase):
+    def setUp(self):
+        self.tmp = Path(tempfile.mkdtemp())
+        self._env = os.environ.get("CMBOT_DATA_DIR")
+        os.environ["CMBOT_DATA_DIR"] = str(self.tmp / "data")
+        self.app_dir = self.tmp / "app"
+        self.app_dir.mkdir(parents=True)
+        self._orig_get_app_dir = fs.get_app_dir
+        fs.get_app_dir = lambda: self.app_dir
+        self.app = self._app()
+
+    def tearDown(self):
+        fs.get_app_dir = self._orig_get_app_dir
+        if self._env is None:
+            os.environ.pop("CMBOT_DATA_DIR", None)
+        else:
+            os.environ["CMBOT_DATA_DIR"] = self._env
+        shutil.rmtree(str(self.tmp), ignore_errors=True)
+
+    def _app(self):
+        from PySide6.QtWidgets import QApplication
+
+        app = QApplication.instance()
+        if app is None:
+            app = QApplication([])
+        return app
+
+    def _panel(self):
+        from app.widgets.ai_outfit_panel import AiOutfitPanel
+
+        return AiOutfitPanel()
+
+    def test_empty_config_defaults_to_outfit_output_dir(self):
+        panel = self._panel()
+        cfg = dict(DEFAULT_CONFIG)
+        cfg["outfit_output_dir"] = ""
+
+        panel.apply_config(cfg)
+
+        self.assertEqual(Path(panel._output_edit.text()), self.app_dir / "穿搭图片")
+
+    def test_saved_outfit_output_dir_takes_precedence(self):
+        panel = self._panel()
+        saved = self.tmp / "custom-output"
+        cfg = dict(DEFAULT_CONFIG)
+        cfg["outfit_output_dir"] = str(saved)
+
+        panel.apply_config(cfg)
+
+        self.assertEqual(Path(panel._output_edit.text()), saved)
+
+
+if __name__ == "__main__":
+    unittest.main()