test: added test for disabled wallet

Divided tests in rpc_signmessage.py into 2 files wallet_signmessagewithaddress.py and
rpc_signmessagewithprivkey.py, latter one can run even when wallet is disabled.

test/functional/rpc_signmessagewithprivkey.py

@@ -2,7 +2,7 @@
 # Copyright (c) 2016-2019 The Bitcoin Core developers
 # Distributed under the MIT software license, see the accompanying
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
-"""Test RPC commands for signing and verifying messages."""
+"""Test RPC commands for signing messages with private key."""
 
 from test_framework.test_framework import BitcoinTestFramework
 from test_framework.util import (
@@ -10,14 +10,10 @@ from test_framework.util import (
     assert_raises_rpc_error,
 )
 
-class SignMessagesTest(BitcoinTestFramework):
+class SignMessagesWithPrivTest(BitcoinTestFramework):
     def set_test_params(self):
         self.setup_clean_chain = True
         self.num_nodes = 1
-        self.extra_args = [["-addresstype=legacy"]]
-
-    def skip_test_if_missing_module(self):
-        self.skip_if_no_wallet()
 
     def run_test(self):
         message = 'This is just a test message'
@@ -30,33 +26,20 @@ class SignMessagesTest(BitcoinTestFramework):
         assert_equal(expected_signature, signature)
         assert self.nodes[0].verifymessage(address, signature, message)
 
-        self.log.info('test signing with an address with wallet')
-        address = self.nodes[0].getnewaddress()
-        signature = self.nodes[0].signmessage(address, message)
-        assert self.nodes[0].verifymessage(address, signature, message)
-
-        self.log.info('test verifying with another address should not work')
-        other_address = self.nodes[0].getnewaddress()
-        other_signature = self.nodes[0].signmessage(other_address, message)
-        assert not self.nodes[0].verifymessage(other_address, signature, message)
-        assert not self.nodes[0].verifymessage(address, other_signature, message)
-
         self.log.info('test parameter validity and error codes')
-        # signmessage(withprivkey) have two required parameters
+        # signmessagewithprivkey has two required parameters
         for num_params in [0, 1, 3, 4, 5]:
             param_list = ["dummy"]*num_params
             assert_raises_rpc_error(-1, "signmessagewithprivkey", self.nodes[0].signmessagewithprivkey, *param_list)
-            assert_raises_rpc_error(-1, "signmessage", self.nodes[0].signmessage, *param_list)
         # verifymessage has three required parameters
         for num_params in [0, 1, 2, 4, 5]:
             param_list = ["dummy"]*num_params
             assert_raises_rpc_error(-1, "verifymessage", self.nodes[0].verifymessage, *param_list)
         # invalid key or address provided
         assert_raises_rpc_error(-5, "Invalid private key", self.nodes[0].signmessagewithprivkey, "invalid_key", message)
-        assert_raises_rpc_error(-5, "Invalid address", self.nodes[0].signmessage, "invalid_addr", message)
         assert_raises_rpc_error(-5, "Invalid address", self.nodes[0].verifymessage, "invalid_addr", signature, message)
         # malformed signature provided
-        assert_raises_rpc_error(-3, "Malformed base64 encoding", self.nodes[0].verifymessage, self.nodes[0].getnewaddress(), "invalid_sig", message)
+        assert_raises_rpc_error(-3, "Malformed base64 encoding", self.nodes[0].verifymessage, 'mpLQjfK79b7CCV4VMJWEWAj5Mpx8Up5zxB', "invalid_sig", message)
 
 if __name__ == '__main__':
-    SignMessagesTest().main()
+    SignMessagesWithPrivTest().main()

test/functional/test_runner.py

@@ -225,7 +225,8 @@ BASE_SCRIPTS = [
     'wallet_importprunedfunds.py --descriptors',
     'p2p_leak_tx.py',
     'p2p_eviction.py',
-    'rpc_signmessage.py',
+    'wallet_signmessagewithaddress.py',
+    'rpc_signmessagewithprivkey.py',
     'rpc_generateblock.py',
     'rpc_generate.py',
     'wallet_balance.py --legacy-wallet',

test/functional/wallet_signmessagewithaddress.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+# Copyright (c) 2016-2019 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test Wallet commands for signing and verifying messages."""
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import (
+    assert_raises_rpc_error,
+)
+
+class SignMessagesWithAddressTest(BitcoinTestFramework):
+    def set_test_params(self):
+        self.setup_clean_chain = True
+        self.num_nodes = 1
+        self.extra_args = [["-addresstype=legacy"]]
+
+    def skip_test_if_missing_module(self):
+        self.skip_if_no_wallet()
+
+    def run_test(self):
+        message = 'This is just a test message'
+
+        self.log.info('test signing with an address with wallet')
+        address = self.nodes[0].getnewaddress()
+        signature = self.nodes[0].signmessage(address, message)
+        assert self.nodes[0].verifymessage(address, signature, message)
+
+        self.log.info('test verifying with another address should not work')
+        other_address = self.nodes[0].getnewaddress()
+        other_signature = self.nodes[0].signmessage(other_address, message)
+        assert not self.nodes[0].verifymessage(other_address, signature, message)
+        assert not self.nodes[0].verifymessage(address, other_signature, message)
+
+        self.log.info('test parameter validity and error codes')
+        # signmessage has two required parameters
+        for num_params in [0, 1, 3, 4, 5]:
+            param_list = ["dummy"]*num_params
+            assert_raises_rpc_error(-1, "signmessage", self.nodes[0].signmessage, *param_list)
+        # invalid key or address provided
+        assert_raises_rpc_error(-5, "Invalid address", self.nodes[0].signmessage, "invalid_addr", message)
+
+
+if __name__ == '__main__':
+    SignMessagesWithAddressTest().main()