[QA] add basic multiwallet test

test/functional/multiwallet.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+# Copyright (c) 2017 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 multiwallet."""
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import *
+
+class MultiWalletTest(BitcoinTestFramework):
+
+    def __init__(self):
+        super().__init__()
+        self.setup_clean_chain = True
+        self.num_nodes = 1
+        self.extra_args = [['-wallet=w1', '-wallet=w2', '-wallet=w3']]
+
+    def run_test(self):
+        w1 = self.nodes[0] / "wallet/w1"
+        w1.generate(1)
+
+        #accessing wallet RPC without using wallet endpoint fails
+        assert_raises_jsonrpc(-32601, "Method not found", self.nodes[0].getwalletinfo)
+
+        #check w1 wallet balance
+        walletinfo = w1.getwalletinfo()
+        assert_equal(walletinfo['immature_balance'], 50)
+
+        #check w1 wallet balance
+        w2 = self.nodes[0] / "wallet/w2"
+        walletinfo = w2.getwalletinfo()
+        assert_equal(walletinfo['immature_balance'], 0)
+
+        w3 = self.nodes[0] / "wallet/w3"
+        
+        w1.generate(101)
+        assert_equal(w1.getbalance(), 100)
+        assert_equal(w2.getbalance(), 0)
+        assert_equal(w3.getbalance(), 0)
+
+        w1.sendtoaddress(w2.getnewaddress(), 1)
+        w1.sendtoaddress(w3.getnewaddress(), 2)
+        w1.generate(1)
+        assert_equal(w2.getbalance(), 1)
+        assert_equal(w3.getbalance(), 2)
+
+if __name__ == '__main__':
+    MultiWalletTest().main()

test/functional/test_runner.py

@@ -63,6 +63,7 @@ BASE_SCRIPTS= [
     'segwit.py',
     # vv Tests less than 2m vv
     'wallet.py',
+    'multiwallet.py',
     'wallet-accounts.py',
     'p2p-segwit.py',
     'wallet-dump.py',