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68400d8b96 tests: Use explicit imports (practicalswift) Pull request description: Enable automatic detection of undefined names in Python tests scripts. Remove wildcard imports. Wildcard imports make it unclear which names are present in the namespace, confusing both readers and many automated tools. An additional benefit of not using wildcard imports in tests scripts is that readers of a test script then can infer the rough testing scope just by looking at the imports. Before this commit: ``` $ contrib/devtools/lint-python.sh | head -10 ./test/functional/feature_rbf.py:8:1: F403 'from test_framework.util import *' used; unable to detect undefined names ./test/functional/feature_rbf.py:9:1: F403 'from test_framework.script import *' used; unable to detect undefined names ./test/functional/feature_rbf.py:10:1: F403 'from test_framework.mininode import *' used; unable to detect undefined names ./test/functional/feature_rbf.py:15:12: F405 bytes_to_hex_str may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:17:58: F405 CScript may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:25:13: F405 COIN may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:26:31: F405 satoshi_round may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:26:60: F405 COIN may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:30:41: F405 satoshi_round may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util ./test/functional/feature_rbf.py:30:68: F405 COIN may be undefined, or defined from star imports: test_framework.mininode, test_framework.script, test_framework.util $ ``` After this commit: ``` $ contrib/devtools/lint-python.sh | head -10 $ ``` Tree-SHA512: 3f826d39cffb6438388e5efcb20a9622ff8238247e882d68f7b38609877421b2a8e10e9229575f8eb6a8fa42dec4256986692e92922c86171f750a0e887438d9
82 lines
2.8 KiB
Python
Executable File
82 lines
2.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2016 The Bitcoin Core developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or http://www.opensource.org/licenses/mit-license.php.
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"""Test various net timeouts.
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- Create three dashd nodes:
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no_verack_node - we never send a verack in response to their version
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no_version_node - we never send a version (only a ping)
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no_send_node - we never send any P2P message.
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- Start all three nodes
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- Wait 1 second
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- Assert that we're connected
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- Send a ping to no_verack_node and no_version_node
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- Wait 1 second
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- Assert that we're still connected
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- Send a ping to no_verack_node and no_version_node
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- Wait 2 seconds
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- Assert that we're no longer connected (timeout to receive version/verack is 3 seconds)
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"""
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from time import sleep
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from test_framework.messages import msg_ping
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from test_framework.mininode import P2PInterface
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from test_framework.test_framework import BitcoinTestFramework
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class TestP2PConn(P2PInterface):
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def on_version(self, message):
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# Don't send a verack in response
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pass
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class TimeoutsTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 1
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# set timeout to receive version/verack to 3 seconds
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self.extra_args = [["-peertimeout=3"]]
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def run_test(self):
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# Setup the p2p connections
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no_verack_node = self.nodes[0].add_p2p_connection(TestP2PConn())
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no_version_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False, wait_for_verack=False)
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no_send_node = self.nodes[0].add_p2p_connection(TestP2PConn(), send_version=False, wait_for_verack=False)
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sleep(1)
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assert no_verack_node.is_connected
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assert no_version_node.is_connected
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assert no_send_node.is_connected
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no_verack_node.send_message(msg_ping())
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no_version_node.send_message(msg_ping())
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sleep(1)
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assert "version" in no_verack_node.last_message
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assert no_verack_node.is_connected
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assert no_version_node.is_connected
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assert no_send_node.is_connected
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no_verack_node.send_message(msg_ping())
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no_version_node.send_message(msg_ping())
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expected_timeout_logs = [
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"version handshake timeout from 0",
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"socket no message in first 3 seconds, 1 0 from 1",
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"socket no message in first 3 seconds, 0 0 from 2",
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]
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with self.nodes[0].assert_debug_log(expected_msgs=expected_timeout_logs):
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sleep(3 + 1) # Sleep one second more than peertimeout
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assert not no_verack_node.is_connected
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assert not no_version_node.is_connected
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assert not no_send_node.is_connected
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if __name__ == '__main__':
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TimeoutsTest().main()
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