test: add getnetworkinfo network name regression tests

Author: jonatack

test/functional/feature_proxy.py

@@ -26,6 +26,8 @@
 addnode connect to IPv6
 addnode connect to onion
 addnode connect to generic DNS name
+
+- Test getnetworkinfo for each node
 """
 
 import socket
@@ -41,12 +43,16 @@
 from test_framework.netutil import test_ipv6_local
 
 RANGE_BEGIN = PORT_MIN + 2 * PORT_RANGE  # Start after p2p and rpc ports
-# From GetNetworkName() in netbase.cpp:
-NET_UNROUTABLE = ""
+
+# Networks returned by RPC getpeerinfo, defined in src/netbase.cpp::GetNetworkName()
+NET_UNROUTABLE = "unroutable"
 NET_IPV4 = "ipv4"
 NET_IPV6 = "ipv6"
 NET_ONION = "onion"
 
+# Networks returned by RPC getnetworkinfo, defined in src/rpc/net.cpp::GetNetworksInfo()
+NETWORKS = frozenset({NET_IPV4, NET_IPV6, NET_ONION})
+
 
 class ProxyTest(BitcoinTestFramework):
     def set_test_params(self):
@@ -84,14 +90,14 @@ def setup_nodes(self):
             self.serv3 = Socks5Server(self.conf3)
             self.serv3.start()
 
-        # Note: proxies are not used to connect to local nodes
-        # this is because the proxy to use is based on CService.GetNetwork(), which return NET_UNROUTABLE for localhost
+        # Note: proxies are not used to connect to local nodes. This is because the proxy to
+        # use is based on CService.GetNetwork(), which returns NET_UNROUTABLE for localhost.
         args = [
             ['-listen', '-proxy=%s:%i' % (self.conf1.addr),'-proxyrandomize=1'],
             ['-listen', '-proxy=%s:%i' % (self.conf1.addr),'-onion=%s:%i' % (self.conf2.addr),'-proxyrandomize=0'],
             ['-listen', '-proxy=%s:%i' % (self.conf2.addr),'-proxyrandomize=1'],
             []
-            ]
+        ]
         if self.have_ipv6:
             args[3] = ['-listen', '-proxy=[%s]:%i' % (self.conf3.addr),'-proxyrandomize=0', '-noonion']
         self.add_nodes(self.num_nodes, extra_args=args)
@@ -189,30 +195,34 @@ def networks_dict(d):
                 r[x['name']] = x
             return r
 
-        # test RPC getnetworkinfo
+        self.log.info("Test RPC getnetworkinfo")
         n0 = networks_dict(self.nodes[0].getnetworkinfo())
-        for net in ['ipv4','ipv6','onion']:
+        assert_equal(NETWORKS, n0.keys())
+        for net in NETWORKS:
             assert_equal(n0[net]['proxy'], '%s:%i' % (self.conf1.addr))
             assert_equal(n0[net]['proxy_randomize_credentials'], True)
         assert_equal(n0['onion']['reachable'], True)
 
         n1 = networks_dict(self.nodes[1].getnetworkinfo())
-        for net in ['ipv4','ipv6']:
+        assert_equal(NETWORKS, n1.keys())
+        for net in ['ipv4', 'ipv6']:
             assert_equal(n1[net]['proxy'], '%s:%i' % (self.conf1.addr))
             assert_equal(n1[net]['proxy_randomize_credentials'], False)
         assert_equal(n1['onion']['proxy'], '%s:%i' % (self.conf2.addr))
         assert_equal(n1['onion']['proxy_randomize_credentials'], False)
         assert_equal(n1['onion']['reachable'], True)
 
         n2 = networks_dict(self.nodes[2].getnetworkinfo())
-        for net in ['ipv4','ipv6','onion']:
+        assert_equal(NETWORKS, n2.keys())
+        for net in NETWORKS:
             assert_equal(n2[net]['proxy'], '%s:%i' % (self.conf2.addr))
             assert_equal(n2[net]['proxy_randomize_credentials'], True)
         assert_equal(n2['onion']['reachable'], True)
 
         if self.have_ipv6:
             n3 = networks_dict(self.nodes[3].getnetworkinfo())
-            for net in ['ipv4','ipv6']:
+            assert_equal(NETWORKS, n3.keys())
+            for net in NETWORKS:
                 assert_equal(n3[net]['proxy'], '[%s]:%i' % (self.conf3.addr))
                 assert_equal(n3[net]['proxy_randomize_credentials'], False)
             assert_equal(n3['onion']['reachable'], False)