ci(docker): require the full integration suite

tests/unit/test_docker_host_address.py

@@ -0,0 +1,28 @@
+"""Tests for the socket-shared Docker host address helper."""
+
+from __future__ import annotations
+
+import unittest
+
+from scripts.docker_host_address import default_ipv4_gateway
+
+
+class TestDefaultIpv4Gateway(unittest.TestCase):
+    def test_decodes_linux_little_endian_gateway(self) -> None:
+        routes = (
+            "Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT\n"
+            "eth0 00000000 010011AC 0003 0 0 0 00000000 0 0 0\n"
+        )
+        self.assertEqual("172.17.0.1", default_ipv4_gateway(routes))
+
+    def test_rejects_table_without_default_gateway(self) -> None:
+        routes = (
+            "Iface Destination Gateway Flags RefCnt Use Metric Mask MTU Window IRTT\n"
+            "eth0 000011AC 00000000 0001 0 0 0 00FFFFFF 0 0 0\n"
+        )
+        with self.assertRaisesRegex(ValueError, "no active"):
+            default_ipv4_gateway(routes)
+
+
+if __name__ == "__main__":
+    unittest.main()