test(progress): preserve coverage for helper snapshots

tests/test_progress_helpers.py

@@ -0,0 +1,74 @@
+"""
+同步与异步进度帮助类的快照、更新和本地化契约。
+"""
+
+import asyncio
+from unittest.mock import AsyncMock, Mock
+
+from app.runtime.progress import AsyncProgressHelper, ProgressHelper
+
+
+def test_progress_helper_lifecycle_localizes_snapshot_fields() -> None:
+    """
+    同步进度应支持更新、结束、附加数据和本地化字段，并安全处理空快照。
+    """
+    missing = ProgressHelper("test-progress-missing")
+    missing._progress.get = Mock(return_value=None)
+    missing.start()
+    missing.end()
+    missing.update()
+    assert missing.get() is None
+
+    helper = ProgressHelper("test-progress-sync")
+    helper.start()
+    helper.update(
+        value=150,
+        text="处理中",
+        data={"error": "错误", "message": "消息"},
+    )
+    detail = helper.get(locale="zh-CN")
+    assert detail is not None
+    assert detail["enable"] is True
+    assert detail["value"] == 100
+    assert detail["text"] == "处理中"
+    assert detail["data"]["error_i18n"]
+    assert detail["data"]["message_i18n"]
+
+    empty_data = ProgressHelper("test-progress-sync-end")
+    empty_data.start()
+    empty_data.end(data={"finished": True}, value=None)
+    assert empty_data.get()["data"]["finished"] is True
+
+
+def test_async_progress_helper_lifecycle_localizes_snapshot_fields() -> None:
+    """
+    异步进度应覆盖空快照终态、边界值更新和附加数据本地化。
+    """
+
+    async def scenario() -> None:
+        """
+        在独立键空间中执行异步进度的完整生命周期。
+        """
+        missing = AsyncProgressHelper("test-progress-async-missing")
+        missing._progress.get = AsyncMock(return_value=None)
+        await missing.start()
+        await missing.end(data={"error": "错误"}, value=None)
+        await missing.update()
+        assert await missing.get() is None
+
+        helper = AsyncProgressHelper("test-progress-async")
+        await helper.start()
+        await helper.update(
+            value=-10,
+            text="异步处理中",
+            data={"error": "错误", "message": "消息"},
+        )
+        detail = await helper.get(locale="zh-CN")
+        assert detail is not None
+        assert detail["enable"] is True
+        assert detail["value"] == 0
+        assert detail["text"] == "异步处理中"
+        assert detail["data"]["error_i18n"]
+        assert detail["data"]["message_i18n"]
+
+    asyncio.run(scenario())