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https://issues.apache.org/jira/browse/CASSANDRA-16623?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ekaterina Dimitrova reassigned CASSANDRA-16623:
-----------------------------------------------
Assignee: Matt Fleming
> Remove references to run_dtests from README
> -------------------------------------------
>
> Key: CASSANDRA-16623
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16623
> Project: Cassandra
> Issue Type: Improvement
> Components: Test/dtest/python
> Reporter: Matt Fleming
> Assignee: Matt Fleming
> Priority: Low
> Fix For: 4.0.x
>
>
> Newcomers to cassandra-dtest that look through README.md will see that the
> run_dtests.py script is the quickest way to get started running tests.
> Unfortunately, the script has a number of problems and I'm not sure it ever
> work properly after the move to the pytest framework.
> h2. Process stdout/stderr buffering
> Firstly, when I execute run_dtests.py I don't see any output after
> {{$ ./run_dtests.py --dtest-tests paging_test.py }}
> {{============================= test session starts
> ==============================}}
> This looks likely to be because of the buffering that pytest does internally
> for stdout and stderr and because of the way that it's executed by
> run_dtests.py, i.e. I suspect that run_dtests.py is blocked on the following
> line for most of the execution because there's no data available in the pipe
> for stderr:
> {{stderr_output = sp.stderr.readline()}}
> See also [https://github.com/pytest-dev/pytest/issues/1886]
> h2. --pytest-options doesn't work
> Secondly, the options specified in --pytest-options aren't actually passed
> through to pytest.
> h2. Most devs run pytest directly
> When I spoke to [~edimitrova] it seemed like most developers just run the
> tests directly with pytest which would explain why run_dtests.py has
> bitrotted.
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