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[tests] Introduce TestNode

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TestNode is a class responsible for all state related to a bitcoind node
under test. It stores local state, is responsible for tracking the
bitcoind process and delegates unrecognised messages to the RPC
connection.

This commit changes start_nodes and stop_nodes to start and stop the
bitcoind nodes in parallel, making test setup and teardown much faster.
This commit is contained in:
John Newbery
2017-06-02 14:30:36 -04:00
parent e526ca6284
commit 7897338918
12 changed files with 193 additions and 97 deletions
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4
test/functional/blockchain.py
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@@ -139,13 +139,13 @@ class BlockchainTest(BitcoinTestFramework):
self.nodes[0].generate(6)
assert_equal(self.nodes[0].getblockcount(), 206)
self.log.debug('Node should not stop at this height')
assert_raises(subprocess.TimeoutExpired, lambda: self.bitcoind_processes[0].wait(timeout=3))
assert_raises(subprocess.TimeoutExpired, lambda: self.nodes[0].process.wait(timeout=3))
try:
self.nodes[0].generate(1)
except (ConnectionError, http.client.BadStatusLine):
pass # The node already shut down before response
self.log.debug('Node should stop at this height...')
self.bitcoind_processes[0].wait(timeout=BITCOIND_PROC_WAIT_TIMEOUT)
self.nodes[0].process.wait(timeout=BITCOIND_PROC_WAIT_TIMEOUT)
self.nodes[0] = self.start_node(0, self.options.tmpdir)
assert_equal(self.nodes[0].getblockcount(), 207)