test: add multiwallet tests for bitcoin-cli -generate

test/functional/interface_bitcoin_cli.py

@@ -6,7 +6,12 @@
 
 from decimal import Decimal
 from test_framework.test_framework import BitcoinTestFramework
-from test_framework.util import assert_equal, assert_raises_process_error, get_auth_cookie
+from test_framework.util import (
+    assert_equal,
+    assert_raises_process_error,
+    assert_raises_rpc_error,
+    get_auth_cookie,
+)
 
 # The block reward of coinbaseoutput.nValue (50) BTC/block matures after
 # COINBASE_MATURITY (100) blocks. Therefore, after mining 101 blocks we expect
@@ -17,6 +22,8 @@ BALANCE = (BLOCKS - 100) * 50
 JSON_PARSING_ERROR = 'error: Error parsing JSON:foo'
 BLOCKS_VALUE_OF_ZERO = 'error: the first argument (number of blocks to generate, default: 1) must be an integer value greater than zero'
 TOO_MANY_ARGS = 'error: too many arguments (maximum 2 for nblocks and maxtries)'
+WALLET_NOT_LOADED = 'Requested wallet does not exist or is not loaded'
+WALLET_NOT_SPECIFIED = 'Wallet file not specified'
 
 class TestBitcoinCli(BitcoinTestFramework):
     def set_test_params(self):
@@ -88,6 +95,8 @@ class TestBitcoinCli(BitcoinTestFramework):
             w1 = self.nodes[0].get_wallet_rpc(wallets[0])
             w2 = self.nodes[0].get_wallet_rpc(wallets[1])
             w3 = self.nodes[0].get_wallet_rpc(wallets[2])
+            rpcwallet2 = '-rpcwallet={}'.format(wallets[1])
+            rpcwallet3 = '-rpcwallet={}'.format(wallets[2])
             w1.walletpassphrase(password, self.rpc_timeout)
             w2.encryptwallet(password)
             w1.sendtoaddress(w2.getnewaddress(), amounts[1])
@@ -128,18 +137,18 @@ class TestBitcoinCli(BitcoinTestFramework):
             assert_equal(cli_get_info['balance'], amounts[1])
 
             self.log.info("Test -getinfo with -rpcwallet=remaining-non-default-wallet returns only its balance")
-            cli_get_info = self.nodes[0].cli('-getinfo', '-rpcwallet={}'.format(wallets[1])).send_cli()
+            cli_get_info = self.nodes[0].cli('-getinfo', rpcwallet2).send_cli()
             assert 'balances' not in cli_get_info.keys()
             assert_equal(cli_get_info['balance'], amounts[1])
 
             self.log.info("Test -getinfo with -rpcwallet=unloaded wallet returns no balances")
-            cli_get_info = self.nodes[0].cli('-getinfo', '-rpcwallet={}'.format(wallets[2])).send_cli()
+            cli_get_info = self.nodes[0].cli('-getinfo', rpcwallet3).send_cli()
             assert 'balance' not in cli_get_info_keys
             assert 'balances' not in cli_get_info_keys
 
             # Test bitcoin-cli -generate.
             n1 = 3
-            n2 = 5
+            n2 = 4
             w2.walletpassphrase(password, self.rpc_timeout)
             blocks = self.nodes[0].getblockcount()
 
@@ -165,9 +174,56 @@ class TestBitcoinCli(BitcoinTestFramework):
             assert_equal(set(generate.keys()), {'address', 'blocks'})
             assert_equal(len(generate["blocks"]), n2)
             assert_equal(self.nodes[0].getblockcount(), blocks + 1 + n1 + n2)
+
+            self.log.info('Test -generate -rpcwallet in single-wallet mode')
+            generate = self.nodes[0].cli(rpcwallet2, '-generate').send_cli()
+            assert_equal(set(generate.keys()), {'address', 'blocks'})
+            assert_equal(len(generate["blocks"]), 1)
+            assert_equal(self.nodes[0].getblockcount(), blocks + 2 + n1 + n2)
+
+            self.log.info('Test -generate -rpcwallet=unloaded wallet raises RPC error')
+            assert_raises_rpc_error(-18, WALLET_NOT_LOADED, self.nodes[0].cli(rpcwallet3, '-generate').echo)
+            assert_raises_rpc_error(-18, WALLET_NOT_LOADED, self.nodes[0].cli(rpcwallet3, '-generate', 'foo').echo)
+            assert_raises_rpc_error(-18, WALLET_NOT_LOADED, self.nodes[0].cli(rpcwallet3, '-generate', 0).echo)
+            assert_raises_rpc_error(-18, WALLET_NOT_LOADED, self.nodes[0].cli(rpcwallet3, '-generate', 1, 2, 3).echo)
+
+            # Test bitcoin-cli -generate with -rpcwallet in multiwallet mode.
+            self.nodes[0].loadwallet(wallets[2])
+            n3 = 4
+            n4 = 10
+            blocks = self.nodes[0].getblockcount()
+
+            self.log.info('Test -generate -rpcwallet with no args')
+            generate = self.nodes[0].cli(rpcwallet2, '-generate').send_cli()
+            assert_equal(set(generate.keys()), {'address', 'blocks'})
+            assert_equal(len(generate["blocks"]), 1)
+            assert_equal(self.nodes[0].getblockcount(), blocks + 1)
+
+            self.log.info('Test -generate -rpcwallet with bad args')
+            assert_raises_process_error(1, JSON_PARSING_ERROR, self.nodes[0].cli(rpcwallet2, '-generate', 'foo').echo)
+            assert_raises_process_error(1, BLOCKS_VALUE_OF_ZERO, self.nodes[0].cli(rpcwallet2, '-generate', 0).echo)
+            assert_raises_process_error(1, TOO_MANY_ARGS, self.nodes[0].cli(rpcwallet2, '-generate', 1, 2, 3).echo)
+
+            self.log.info('Test -generate -rpcwallet with nblocks')
+            generate = self.nodes[0].cli(rpcwallet2, '-generate', n3).send_cli()
+            assert_equal(set(generate.keys()), {'address', 'blocks'})
+            assert_equal(len(generate["blocks"]), n3)
+            assert_equal(self.nodes[0].getblockcount(), blocks + 1 + n3)
+
+            self.log.info('Test -generate -rpcwallet with nblocks and maxtries')
+            generate = self.nodes[0].cli(rpcwallet2, '-generate', n4, 1000000).send_cli()
+            assert_equal(set(generate.keys()), {'address', 'blocks'})
+            assert_equal(len(generate["blocks"]), n4)
+            assert_equal(self.nodes[0].getblockcount(), blocks + 1 + n3 + n4)
+
+            self.log.info('Test -generate without -rpcwallet in multiwallet mode raises RPC error')
+            assert_raises_rpc_error(-19, WALLET_NOT_SPECIFIED, self.nodes[0].cli('-generate').echo)
+            assert_raises_rpc_error(-19, WALLET_NOT_SPECIFIED, self.nodes[0].cli('-generate', 'foo').echo)
+            assert_raises_rpc_error(-19, WALLET_NOT_SPECIFIED, self.nodes[0].cli('-generate', 0).echo)
+            assert_raises_rpc_error(-19, WALLET_NOT_SPECIFIED, self.nodes[0].cli('-generate', 1, 2, 3).echo)
         else:
             self.log.info("*** Wallet not compiled; cli getwalletinfo and -getinfo wallet tests skipped")
-            self.nodes[0].generate(10)  # maintain block parity with the wallet_compiled conditional branch
+            self.nodes[0].generate(25)  # maintain block parity with the wallet_compiled conditional branch
 
         self.log.info("Test -version with node stopped")
         self.stop_node(0)
@@ -179,7 +235,7 @@ class TestBitcoinCli(BitcoinTestFramework):
         self.nodes[0].wait_for_cookie_credentials()  # ensure cookie file is available to avoid race condition
         blocks = self.nodes[0].cli('-rpcwait').send_cli('getblockcount')
         self.nodes[0].wait_for_rpc_connection()
-        assert_equal(blocks, BLOCKS + 10)
+        assert_equal(blocks, BLOCKS + 25)
 
 
 if __name__ == '__main__':