Scope engine image builds and verification by release target

tests/test_release_plan.py

@@ -0,0 +1,66 @@
+import tempfile
+import unittest
+from pathlib import Path
+
+from release_plan import GPU_GROUPS, plan_for_tag, write_gitea_env
+
+
+class ReleasePlanTests(unittest.TestCase):
+    def test_one_vendor_tag_builds_only_that_image_and_gpu(self):
+        plan = plan_for_tag("v0.3.0-metax-c500")
+        self.assertEqual(plan.target, "metax-c500")
+        self.assertEqual(plan.image_targets, ("metax-c500",))
+        self.assertEqual(plan.gpu_types, ("MetaX_c-500",))
+        self.assertEqual(plan.verification_pairs, (("MetaX_c-500", "metax-c500"),))
+
+    def test_cambricon_cards_reuse_one_image(self):
+        plan = plan_for_tag("v0.3.0-cambricon-mlu370")
+        self.assertEqual(plan.image_targets, ("cambricon-mlu370",))
+        self.assertEqual(
+            plan.gpu_types,
+            ("Cambricon_mlu-370-x4", "Cambricon_mlu-370-x8"),
+        )
+        self.assertEqual(
+            plan.verification_pairs,
+            (
+                ("Cambricon_mlu-370-x4", "cambricon-mlu370"),
+                ("Cambricon_mlu-370-x8", "cambricon-mlu370"),
+            ),
+        )
+
+    def test_all_requires_explicit_suffix(self):
+        plan = plan_for_tag("v0.3.0-all")
+        self.assertEqual(plan.image_targets, tuple(GPU_GROUPS))
+        self.assertEqual(len(plan.gpu_types), 5)
+        self.assertEqual(len(set(plan.gpu_types)), 5)
+
+    def test_unscoped_or_unknown_tag_cannot_default_to_all(self):
+        for tag in (
+            "v0.3.0",
+            "v0.3.0-unknown",
+            "v0.3.0-metax-c500-extra",
+            "v０.3.0-all",
+            "latest",
+        ):
+            with self.subTest(tag=tag), self.assertRaises(ValueError):
+                plan_for_tag(tag)
+
+    def test_gitea_env_contains_only_selected_targets(self):
+        with tempfile.TemporaryDirectory() as directory:
+            path = Path(directory) / "gitea_env"
+            path.write_text("FRAMEWORK=vllm_qwen25_compat\n", encoding="utf-8")
+            write_gitea_env(plan_for_tag("v0.3.0-vastai-va16"), path)
+            self.assertEqual(
+                path.read_text(encoding="utf-8").splitlines(),
+                [
+                    "FRAMEWORK=vllm_qwen25_compat",
+                    "RELEASE_TARGET=vastai-va16",
+                    "IMAGE_TARGETS=vastai-va16",
+                    "GPU_TYPES=Vastai_va16",
+                    "VERIFY_PAIRS=Vastai_va16:vastai-va16",
+                ],
+            )
+
+
+if __name__ == "__main__":
+    unittest.main()