feat(client): initialize procurement tool skeleton

client/tests/test_wheel_metadata.py

@@ -0,0 +1,29 @@
+"""验证 wheel 元数据检查脚本，不构建 wheel 或安装运行时依赖。"""
+
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+import tempfile
+import unittest
+import zipfile
+
+
+CLIENT_ROOT = Path(__file__).resolve().parents[1]
+sys.path.insert(0, str(CLIENT_ROOT / "scripts"))
+
+from verify_wheel_metadata import dependencies_from_requirements, verify_wheel_metadata
+
+
+class WheelMetadataTests(unittest.TestCase):
+    def test_metadata_checker_accepts_dependencies_from_the_single_requirements_file(self) -> None:
+        expected_dependencies = dependencies_from_requirements(CLIENT_ROOT / "requirements.txt")
+        with tempfile.TemporaryDirectory() as directory:
+            wheel_file = Path(directory) / "cmbuyer_client-0.1.0-py3-none-any.whl"
+            metadata = "Metadata-Version: 2.3\n" + "".join(
+                f"Requires-Dist: {dependency}\n" for dependency in sorted(expected_dependencies)
+            )
+            with zipfile.ZipFile(wheel_file, "w") as wheel:
+                wheel.writestr("cmbuyer_client-0.1.0.dist-info/METADATA", metadata)
+
+            self.assertEqual(set(), verify_wheel_metadata(wheel_file, CLIENT_ROOT / "requirements.txt"))