Add Dual-Stack Network Diagnostics

tests/network_diagnostics/run.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+"""Compile the actual network_console.c with deterministic boundary fakes; no networking."""
+import argparse
+import pathlib
+import subprocess
+import tempfile
+
+parser = argparse.ArgumentParser(description=__doc__)
+parser.add_argument("--sanitize", action="store_true", help="enable ASan and UBSan if installed")
+options = parser.parse_args()
+HERE = pathlib.Path(__file__).resolve().parent
+ROOT = HERE.parents[1]
+headers = [
+    "esp_console.h", "esp_err.h", "esp_heap_caps.h", "esp_netif.h",
+    "esp_idf_version.h", "esp_timer.h", "freertos/FreeRTOS.h",
+    "freertos/queue.h", "freertos/task.h", "lwip/inet.h", "lwip/inet_chksum.h",
+    "lwip/ip_addr.h", "lwip/netdb.h", "lwip/netif.h", "lwip/prot/icmp.h",
+    "lwip/prot/ip4.h", "lwip/sockets.h", "ping/ping_sock.h",
+]
+with tempfile.TemporaryDirectory(prefix="network-diagnostics-") as directory:
+    tmp = pathlib.Path(directory)
+    for header in headers:
+        path = tmp / header
+        path.parent.mkdir(parents=True, exist_ok=True)
+        path.write_text('#include "fakes.h"\n')
+    subprocess.run([
+        "cc", "-std=c11", "-D_DEFAULT_SOURCE", "-Wall", "-Wextra", "-Werror",
+        "-g", "-O1", *(["-fsanitize=address,undefined", "-fno-omit-frame-pointer"] if options.sanitize else []),
+        "-I", str(tmp), "-I", str(HERE),
+        str(HERE / "test.c"), "-o", str(tmp / "test"),
+    ], cwd=ROOT, check=True)
+    subprocess.run([str(tmp / "test")], cwd=ROOT, check=True)