fix(http): Support servers that fail with HTTP 501 on HEAD requests

.github/workflows/build.yml

@@ -36,6 +36,10 @@ jobs:
           cache-dependency-path: |
             package-lock.json
             examples/**/package-lock.json
+      # uv required for javascript tests
+      - uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
       # go needed for fake_gcs_server used by the javascript tests
       - name: Setup go
         uses: actions/setup-go@v5

.oxlintrc.json

@@ -49,6 +49,7 @@
     "**/build",
     "**/.tox",
     "**/.nox",
+    "**/.venv",
     "lib",
     "**/python",
     "**/config",

.prettierignore

@@ -10,3 +10,4 @@ dist
 /.ruff_cache
 package.json
 package-lock.json
+.venv

build_tools/vitest/python_tools.ts

@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright 2025 Google Inc.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { spawnSync } from "node:child_process";
+import path from "node:path";
+
+export const PYTHON_TEST_TOOLS_PATH = path.join(
+  import.meta.dirname,
+  "python_tools",
+);
+
+export async function syncPythonTools() {
+  // Note: For unknown reasons, using `await promisify(spawn)` in place of
+  // `spawnSync` causes the vitest process to exit as soon as the child
+  // process completes.
+  spawnSync("uv", ["sync", "--project", PYTHON_TEST_TOOLS_PATH], {
+    stdio: ["ignore", "inherit", "inherit"],
+  });
+}

build_tools/vitest/python_tools/pyproject.toml

@@ -0,0 +1,8 @@
+[project]
+name = "python-tools"
+description = "Python tools used by the test suite"
+version = "0.0"
+requires-python = ">=3.11"
+dependencies = [
+    "moto[s3,server]>=5.0.28",
+]

eslint.config.js

@@ -17,6 +17,7 @@ export default tseslint.config(
       "**/build",
       "**/.tox",
       "**/.nox",
+      "**/.venv",
       "lib",
       "**/python",
       "**/config",