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[tests] use wait_until in mempool_persist.py

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This commit is contained in:
John Newbery 2017-05-05 09:17:39 -04:00
parent 35da2aeed7
commit 329ac3bab1
1 changed files with 20 additions and 21 deletions
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41
test/functional/mempool_persist.py
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@ -6,11 +6,11 @@
By default, bitcoind will dump mempool on shutdown and
then reload it on startup. This can be overridden with
the -persistmempool=false command line option.
the -persistmempool=0 command line option.
Test is as follows:
- start node0, node1 and node2. node1 has -persistmempool=false
- start node0, node1 and node2. node1 has -persistmempool=0
- create 5 transactions on node2 to its own address. Note that these
are not sent to node0 or node1 addresses because we don't want
them to be saved in the wallet.
@ -20,17 +20,19 @@ Test is as follows:
in its mempool. Shutdown node0. This tests that by default the
mempool is persistent.
- startup node1. Verify that its mempool is empty. Shutdown node1.
This tests that with -persistmempool=false, the mempool is not
This tests that with -persistmempool=0, the mempool is not
dumped to disk when the node is shut down.
- Restart node0 with -persistmempool=false. Verify that its mempool is
empty. Shutdown node0. This tests that with -persistmempool=false,
- Restart node0 with -persistmempool=0. Verify that its mempool is
empty. Shutdown node0. This tests that with -persistmempool=0,
the mempool is not loaded from disk on start up.
- Restart node0 with -persistmempool=true. Verify that it has 5
transactions in its mempool. This tests that -persistmempool=false
- Restart node0 with -persistmempool. Verify that it has 5
transactions in its mempool. This tests that -persistmempool=0
does not overwrite a previously valid mempool stored on disk.
"""
import time
from test_framework.mininode import wait_until
from test_framework.test_framework import BitcoinTestFramework
from test_framework.util import *
@ -38,18 +40,10 @@ class MempoolPersistTest(BitcoinTestFramework):
def __init__(self):
super().__init__()
# We need 3 nodes for this test. Node1 does not have a persistent mempool.
self.num_nodes = 3
self.setup_clean_chain = False
def setup_network(self):
# We need 3 nodes for this test. Node1 does not have a persistent mempool.
self.nodes = []
self.nodes.append(start_node(0, self.options.tmpdir))
self.nodes.append(start_node(1, self.options.tmpdir, ["-persistmempool=false"]))
self.nodes.append(start_node(2, self.options.tmpdir))
connect_nodes_bi(self.nodes, 0, 2)
connect_nodes_bi(self.nodes, 1, 2)
self.is_network_split = False
self.extra_args = [[], ["-persistmempool=0"], []]
def run_test(self):
chain_height = self.nodes[0].getblockcount()
@ -57,6 +51,7 @@ class MempoolPersistTest(BitcoinTestFramework):
self.log.debug("Mine a single block to get out of IBD")
self.nodes[0].generate(1)
self.sync_all()
self.log.debug("Send 5 transactions from node2 (to its own address)")
for i in range(5):
@ -72,20 +67,24 @@ class MempoolPersistTest(BitcoinTestFramework):
self.nodes = []
self.nodes.append(start_node(0, self.options.tmpdir))
self.nodes.append(start_node(1, self.options.tmpdir))
assert_equal(len(self.nodes[0].getrawmempool()), 5)
# Give bitcoind a second to reload the mempool
time.sleep(1)
assert wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5)
assert_equal(len(self.nodes[1].getrawmempool()), 0)
self.log.debug("Stop-start node0 with -persistmempool=false. Verify that it doesn't load its mempool.dat file.")
self.log.debug("Stop-start node0 with -persistmempool=0. Verify that it doesn't load its mempool.dat file.")
stop_nodes(self.nodes)
self.nodes = []
self.nodes.append(start_node(0, self.options.tmpdir, ["-persistmempool=false"]))
self.nodes.append(start_node(0, self.options.tmpdir, ["-persistmempool=0"]))
# Give bitcoind a second to reload the mempool
time.sleep(1)
assert_equal(len(self.nodes[0].getrawmempool()), 0)
self.log.debug("Stop-start node0. Verify that it has the transactions in its mempool.")
stop_nodes(self.nodes)
self.nodes = []
self.nodes.append(start_node(0, self.options.tmpdir))
assert_equal(len(self.nodes[0].getrawmempool()), 5)
assert wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5)
if __name__ == '__main__':
MempoolPersistTest().main()