Ken Hu created TINKERPOP-3228:
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Summary: Update GremlinSessionReuseTxIntegrateTest to test for
Graph transaction cleanup
Key: TINKERPOP-3228
URL: https://issues.apache.org/jira/browse/TINKERPOP-3228
Project: TinkerPop
Issue Type: Improvement
Affects Versions: 3.7.6
Reporter: Ken Hu
The tests in GremlinSessionReuseTxIntegrateTest could improve by having the
tests verify that underlying graph in the server doesn't have any open
transactions. The tests currently only check that the Session is removed, but
in a forced way so the graph itself may have open transactions that need to be
rolled back.
A problem with this, however, is that the Session uses the single threaded
executor to run its tasks. This tasks includes closing itself, so in this case,
the Session can't check the graph's state during close. This is further
complicated by the Graph's Transaction implementation itself. For example,
TinkerTransactionGraph determines "openness" on a per thread basis so it can
appear that there is no open transaction from one thread but there may be one
open from another.
In summary, find a way in these tests to assert that the underlying Graph
actually has all its transactions closed.
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