feat: 试用过程中的细节优化

server/tests/test_partial_dimensions.py

@@ -0,0 +1,44 @@
+"""部分尺寸的尺寸标注图：仅传入已知方向，绝不补造缺失方向。"""
+from __future__ import annotations
+
+import sys
+import unittest
+from pathlib import Path
+
+SERVER_DIR = Path(__file__).resolve().parents[1]
+if str(SERVER_DIR) not in sys.path:
+    sys.path.insert(0, str(SERVER_DIR))
+
+from api.suite import _with_dimensions
+from schemas.suite import ProductDimensions
+from services.prompts.common import build_context
+from services.prompts.gpt import _task_size_chart
+
+
+class PartialDimensionsTests(unittest.TestCase):
+    def test_only_known_direction_is_passed_to_prompt_context(self) -> None:
+        raw = _with_dimensions(
+            {"title": "测试商品", "params": [
+                {"key": "产品尺寸", "value": "12.5×8×4 cm"},
+                {"key": "材质", "value": "棉"},
+            ]},
+            ProductDimensions(width=8, height=4, unit="cm"),
+            required=True,
+        )
+
+        self.assertEqual(raw["dimensions"], {"width": 8, "height": 4, "unit": "cm"})
+        self.assertEqual(raw["params"], [{"key": "材质", "value": "棉"}])
+        context = build_context(raw)
+        prompt = _task_size_chart(context, "en")
+        self.assertIn("width: 8.0 cm; height: 4.0 cm", prompt)
+        self.assertIn("render exactly 2 measurement arrows and labels, only for: width, height", prompt)
+        self.assertIn("Do not draw, label, or show an arrow for: length", prompt)
+        self.assertNotIn("12.5×8×4", prompt)
+
+    def test_size_chart_still_requires_at_least_one_dimension(self) -> None:
+        with self.assertRaisesRegex(Exception, "至少需要填写一项"):
+            _with_dimensions({"title": "测试商品"}, ProductDimensions(unit="mm"), required=True)
+
+
+if __name__ == "__main__":
+    unittest.main()