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https://issues.apache.org/jira/browse/ARROW-16681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17544791#comment-17544791
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Yaron Gvili commented on ARROW-16681:
-------------------------------------
cc [~lidavidm] - making sure this is noticed.
> [Python] Fix PyArrow unit tests dependant on module path
> --------------------------------------------------------
>
> Key: ARROW-16681
> URL: https://issues.apache.org/jira/browse/ARROW-16681
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Python
> Reporter: Yaron Gvili
> Priority: Major
>
> The [PyArrow dev docs|https://arrow.apache.org/docs/developers/python.html]
> currently gives
> {code:java}
> python -m pytest arrow/python/pyarrow{code}
> as the unit-testing command, however there are some unit tests (see list at
> the bottom) that currently fail because they depend on the "arrow/python"
> directory being included in the module path whereas it includes instead the
> current directory - see example below.
>
> The fix should be either in the unit tests, to avoid the dependency on the
> current directory being in the module path, or in the documentation, to
> instruct that the unit tests should be run from the "arrow/python" directory.
> As example for a failed test, for
> {code:java}
> python -m pytest
> arrow/python/pyarrow/tests/test_misc.py::test_runtime_info{code}
> I'm getting an error with this tail:
>
> {noformat}
> Traceback (most recent call last):
> File "<string>", line 2, in <module>
> ModuleNotFoundError: No module named 'pyarrow'
> =========================================================================================
> short test summary info
> ==========================================================================================
> FAILED arrow/python/pyarrow/tests/test_misc.py::test_runtime_info -
> subprocess.CalledProcessError: Command
> '['/mnt/soft1/tscontract/pkg/miniconda3/envs/pyarrow-dev/bin/python', '-c',
> "if 1:\n ...{noformat}
> Here is the list of unit tests I'm getting a similar error:
>
>
> {noformat}
> test_memory.py::test_env_var
> test_memory.py::test_debug_memory_pool_abort[default_memory_pool]
> test_memory.py::test_debug_memory_pool_abort[jemalloc_memory_pool]
> test_memory.py::test_debug_memory_pool_abort[system_memory_pool]
> test_memory.py::test_debug_memory_pool_trap[default_memory_pool]
> test_memory.py::test_debug_memory_pool_trap[jemalloc_memory_pool]
> test_memory.py::test_debug_memory_pool_trap[system_memory_pool]
> test_memory.py::test_debug_memory_pool_warn[default_memory_pool]
> test_memory.py::test_debug_memory_pool_warn[jemalloc_memory_pool]
> test_memory.py::test_debug_memory_pool_warn[system_memory_pool]
> test_memory.py::test_debug_memory_pool_disabled[default_memory_pool]
> test_memory.py::test_debug_memory_pool_disabled[jemalloc_memory_pool]
> test_memory.py::test_debug_memory_pool_disabled[system_memory_pool]
> test_misc.py::test_env_var_io_thread_count
> test_misc.py::test_runtime_info{noformat}
>
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