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test: fix intermittent race condition in interface_bitcoin_cli.py

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by calling wait_for_cookie_credentials() to ensure the cookie file is written
and auth credentials available for testing the CLI -rpcwait option before the
RPC connection is up.
This commit is contained in:
Jon Atack 2020-04-17 21:19:48 +02:00
parent c648e636b2
commit 92fe537cf7
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GPG key ID: 4F5721B3D0E3921D
1 changed files with 12 additions and 16 deletions
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28
test/functional/interface_bitcoin_cli.py
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@ -13,7 +13,6 @@ BLOCKS = 101
BALANCE = (BLOCKS - 100) * 50
class TestBitcoinCli(BitcoinTestFramework):
def set_test_params(self):
self.setup_clean_chain = True
self.num_nodes = 1
@ -33,12 +32,12 @@ class TestBitcoinCli(BitcoinTestFramework):
user, password = get_auth_cookie(self.nodes[0].datadir, self.chain)
self.log.info("Test -stdinrpcpass option")
assert_equal(BLOCKS, self.nodes[0].cli('-rpcuser=%s' % user, '-stdinrpcpass', input=password).getblockcount())
assert_raises_process_error(1, "Incorrect rpcuser or rpcpassword", self.nodes[0].cli('-rpcuser=%s' % user, '-stdinrpcpass', input="foo").echo)
assert_equal(BLOCKS, self.nodes[0].cli('-rpcuser={}'.format(user), '-stdinrpcpass', input=password).getblockcount())
assert_raises_process_error(1, 'Incorrect rpcuser or rpcpassword', self.nodes[0].cli('-rpcuser={}'.format(user), '-stdinrpcpass', input='foo').echo)
self.log.info("Test -stdin and -stdinrpcpass")
assert_equal(["foo", "bar"], self.nodes[0].cli('-rpcuser=%s' % user, '-stdin', '-stdinrpcpass', input=password + "\nfoo\nbar").echo())
assert_raises_process_error(1, "Incorrect rpcuser or rpcpassword", self.nodes[0].cli('-rpcuser=%s' % user, '-stdin', '-stdinrpcpass', input="foo").echo)
assert_equal(['foo', 'bar'], self.nodes[0].cli('-rpcuser={}'.format(user), '-stdin', '-stdinrpcpass', input=password + '\nfoo\nbar').echo())
assert_raises_process_error(1, 'Incorrect rpcuser or rpcpassword', self.nodes[0].cli('-rpcuser={}'.format(user), '-stdin', '-stdinrpcpass', input='foo').echo)
self.log.info("Test connecting to a non-existing server")
assert_raises_process_error(1, "Could not connect to the server", self.nodes[0].cli('-rpcport=1').echo)
@ -52,7 +51,7 @@ class TestBitcoinCli(BitcoinTestFramework):
self.log.info("Test -getinfo returns expected network and blockchain info")
if self.is_wallet_compiled():
self.nodes[0].encryptwallet(password)
cli_get_info = self.nodes[0].cli('-getinfo').send_cli()
cli_get_info = self.nodes[0].cli().send_cli('-getinfo')
network_info = self.nodes[0].getnetworkinfo()
blockchain_info = self.nodes[0].getblockchaininfo()
assert_equal(cli_get_info['version'], network_info['version'])
@ -76,20 +75,17 @@ class TestBitcoinCli(BitcoinTestFramework):
else:
self.log.info("*** Wallet not compiled; cli getwalletinfo and -getinfo wallet tests skipped")
self.stop_node(0)
self.log.info("Test -version with node stopped")
cli_response = self.nodes[0].cli("-version").send_cli()
self.stop_node(0)
cli_response = self.nodes[0].cli().send_cli('-version')
assert "{} RPC client version".format(self.config['environment']['PACKAGE_NAME']) in cli_response
self.log.info("Test -rpcwait option waits for RPC connection instead of failing")
# Start node without RPC connection.
self.nodes[0].start()
# Verify failure without -rpcwait.
assert_raises_process_error(1, "Could not connect to the server", self.nodes[0].cli('getblockcount').echo)
# Verify success using -rpcwait.
assert_equal(BLOCKS, self.nodes[0].cli('-rpcwait', 'getblockcount').send_cli())
self.log.info("Test -rpcwait option successfully waits for RPC connection")
self.nodes[0].start() # start node without RPC connection
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)
if __name__ == '__main__':