feat: 保存当前使用的 Android 设备 (#22)

client/test/test_selected_android_device_service.py

@@ -0,0 +1,60 @@
+"""当前使用 Android 设备设置服务测试。"""
+
+import tempfile
+import unittest
+from pathlib import Path
+
+from src.selected_android_device_service import (
+    SELECTED_ANDROID_SERIAL_KEY,
+    SelectedAndroidDeviceService,
+)
+from src.settings_repository import SettingsRepository
+
+
+class SelectedAndroidDeviceServiceTest(unittest.TestCase):
+    def setUp(self):
+        self.temp_directory = tempfile.TemporaryDirectory()
+        db_path = Path(self.temp_directory.name) / "client.db"
+        self.repository = SettingsRepository(db_path)
+        self.service = SelectedAndroidDeviceService(self.repository)
+
+    def tearDown(self):
+        self.temp_directory.cleanup()
+
+    def test_missing_setting_loads_as_empty(self):
+        self.assertEqual(self.service.load(), "")
+
+    def test_save_normalizes_and_persists_serial(self):
+        serial = self.service.save(" 192.168.0.173:5555 ")
+
+        self.assertEqual(serial, "192.168.0.173:5555")
+        self.assertEqual(
+            self.repository.get(SELECTED_ANDROID_SERIAL_KEY), serial
+        )
+
+    def test_invalid_serial_is_rejected(self):
+        for serial in ("", "USB 001", None):
+            with self.subTest(serial=serial):
+                with self.assertRaises(ValueError):
+                    self.service.save(serial)
+
+    def test_corrupted_setting_loads_as_empty(self):
+        self.repository.set(SELECTED_ANDROID_SERIAL_KEY, {"serial": "bad"})
+
+        self.assertEqual(self.service.load(), "")
+
+    def test_delete_removes_only_selected_serial(self):
+        self.repository.set("android.pdd_package", "com.xunmeng.pinduoduo")
+        self.service.save("USB-001")
+
+        self.assertTrue(self.service.delete())
+
+        self.assertIsNone(self.repository.get(SELECTED_ANDROID_SERIAL_KEY))
+        self.assertEqual(
+            self.repository.get("android.pdd_package"),
+            "com.xunmeng.pinduoduo",
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()