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pytest: fix flake in test_channel_persistence w/ TEST_CHECK_DBSTMTS

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This was weird.  Here is the message (with \n turned into real new lines):

```
2022-07-24T07:20:08.9144998Z Plugin '/home/runner/work/lightning/lightning/tests/plugins/dblog.py' returned an invalid response to the db_write hook: {"jsonrpc": "2.0", "id": 40, "error": {"code": -32600, "message": "Error while processing db_write: UNIQUE constraint failed: shachain_known.shachain_id, shachain_known.pos", "traceback": "Traceback (most recent call last):
  File \"/home/runner/work/lightning/lightning/contrib/pyln-client/pyln/client/plugin.py\", line 631, in _dispatch_request
    result = self._exec_func(method.func, request)
  File \"/home/runner/work/lightning/lightning/contrib/pyln-client/pyln/client/plugin.py\", line 616, in _exec_func
    return func(*ba.args, **ba.kwargs)
  File \"/home/runner/work/lightning/lightning/tests/plugins/dblog.py\", line 45, in db_write
    plugin.conn.execute(c)
sqlite3.IntegrityError: UNIQUE constraint failed: shachain_known.shachain_id, shachain_known.pos
"}}
```

Finally, I realized that we *kill* l2: this means it has updated the
plugin db but not the real db.  This is expected: a real backup plugin
would handle this case.

Simply disable the test for this case.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell 2022-07-26 13:42:03 +09:30 • committed by neil saitug
parent 008a59b004
commit 8da361b49b
1 changed files with 2 additions and 0 deletions
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2
tests/test_connection.py
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@ -2203,6 +2203,8 @@ def test_funding_while_offline(node_factory, bitcoind):
@pytest.mark.developer
@pytest.mark.openchannel('v1')
@pytest.mark.openchannel('v2')
@unittest.skipIf(os.environ.get("TEST_CHECK_DBSTMTS", None) == "1",
"We kill l2, dblog plugin replay will be unreliable")
def test_channel_persistence(node_factory, bitcoind, executor):
# Start two nodes and open a channel (to remember). l2 will
# mysteriously die while committing the first HTLC so we can