[Buildroot] [PATCH 1/1] support/testing: add python-httpx2 runtime test

[James Hilliard <james.hilliard1@gmail.com>]

Exercise synchronous and asynchronous HTTP requests with python-httpx2
against a local HTTP server, checking the response status and JSON body.
This covers the httpcore2 socket transports and the AnyIO asyncio backend
used by the asynchronous client.

Bind the server to an ephemeral loopback port so the test does not depend
on external services, and shut it down when the sample finishes.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
---
 .../tests/package/sample_python_httpx2.py     | 37 +++++++++++++++++++
 .../tests/package/test_python_httpx2.py       | 12 ++++++
 2 files changed, 49 insertions(+)
 create mode 100644 support/testing/tests/package/sample_python_httpx2.py
 create mode 100644 support/testing/tests/package/test_python_httpx2.py

diff --git a/support/testing/tests/package/sample_python_httpx2.py b/support/testing/tests/package/sample_python_httpx2.py
new file mode 100644
index 0000000000..645ceb97f8
--- /dev/null
+++ b/support/testing/tests/package/sample_python_httpx2.py
@@ -0,0 +1,37 @@
+import asyncio
+from http.server import BaseHTTPRequestHandler, HTTPServer
+from threading import Thread
+
+import httpx2
+
+
+class RequestHandler(BaseHTTPRequestHandler):
+    def do_GET(self):
+        body = b'{"message": "Hello, Buildroot!"}'
+        self.send_response(200)
+        self.send_header("Content-Type", "application/json")
+        self.send_header("Content-Length", str(len(body)))
+        self.end_headers()
+        self.wfile.write(body)
+
+
+async def test_async(url):
+    async with httpx2.AsyncClient(trust_env=False) as client:
+        response = await client.get(url)
+        assert response.status_code == 200
+        assert response.json() == {"message": "Hello, Buildroot!"}
+
+
+with HTTPServer(("127.0.0.1", 0), RequestHandler) as server:
+    thread = Thread(target=server.serve_forever)
+    thread.start()
+    try:
+        url = f"http://127.0.0.1:{server.server_port}/"
+        with httpx2.Client(trust_env=False) as client:
+            response = client.get(url)
+            assert response.status_code == 200
+            assert response.json() == {"message": "Hello, Buildroot!"}
+        asyncio.run(test_async(url))
+    finally:
+        server.shutdown()
+        thread.join()
diff --git a/support/testing/tests/package/test_python_httpx2.py b/support/testing/tests/package/test_python_httpx2.py
new file mode 100644
index 0000000000..d3865ea8f2
--- /dev/null
+++ b/support/testing/tests/package/test_python_httpx2.py
@@ -0,0 +1,12 @@
+from tests.package.test_python import TestPythonPackageBase
+
+
+class TestPythonPy3Httpx2(TestPythonPackageBase):
+    __test__ = True
+    config = TestPythonPackageBase.config + \
+        """
+        BR2_PACKAGE_PYTHON3=y
+        BR2_PACKAGE_PYTHON_HTTPX2=y
+        """
+    sample_scripts = ["tests/package/sample_python_httpx2.py"]
+    timeout = 30
-- 
2.53.0

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