python source code of test

rpy2-master
- gpl-2.0.txt
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- rpy2
  - rinterface_lib
    - openrlib.py
    - R_API.h
    - embedded.py
    - R_API_eventloop.c
    - embedded_mswin.py
    - conversion.py
    - RPY2.h
    - ffi_proxy.py
    - bufferprotocol.py
    - na_values.py
    - memorymanagement.py
    - __init__.py
    - R_API_eventloop.h
    - sexp.py
    - callbacks.py
    - _rinterface_capi.py
  - rlike
    - container.py
    - functional.py
    - indexing.py
    - __init__.py
  - ipython
    - html.py
    - ipython-COPYING.txt
    - rmagic.py
    - __init__.py
    - ggplot.py
  - _rinterface_cffi_build.py
  - situation.py
  - __init__.py
  - robjects
    - numpy2ri.py
    - environments.py
    - pandas2ri.py
    - robject.py
    - lib
      - dplyr.py
      - dbplyr.py
      - tidyr.py
      - grid.py
      - grdevices.py
      - ggplot2.py
      - __init__.py
    - functions.py
    - packages.py
    - conversion.py
    - vectors.py
    - constants.py
    - packages_utils.py
    - __init__.py
    - help.py
    - language.py
    - methods.py
  - tests
    - rlike
      - test_container.py
      - test_indexing.py
      - test_functional.py
    - ipython
      - test_html.py
      - test_rmagic.py
      - test_ggplot.py
      - __init__.py
    - __init__.py
    - robjects
      - test_packages_utils.py
      - test_pandas_conversions.py
      - test_serialization.py
      - test_vector_extractdelegator.py
      - test_robjects.py
      - test_conversion.py
      - test_formula.py
      - test_conversion_numpy.py
      - lib
        test_grid.py
        test_tidyr.py
        test_grdevices.py
        test_dbplyr.py
        test_ggplot2.py
        test_dplyr.py
      - test_environment.py
      - test_array.py
      - test_vector_factor.py
      - test_rs4.py
      - test_methods.py
      - test_translated_function.py
      - test_language.py
      - __init__.py
      - test_vector.py
      - test_vector_datetime.py
      - test_help.py
      - test_function.py
      - test_packages.py
      - test_dataframe.py
    - utils.py
    - rinterface
      - test_noinitialization.py
      - test_embedded_r.py
      - test_callbacks.py
      - test_vector_pairlist.py
      - test_memorymanagement.py
      - test_externalptr.py
      - test_vectors.py
      - test_openrlib.py
      - test_vector_numpy.py
      - test_environment.py
      - test_bufferprotocol.py
      - test_endr.py
      - test_vector_lang.py
      - test_vector_bool.py
      - test_symbol.py
      - test_vector_int.py
      - test_vector_float.py
      - test_vector_list.py
      - test_functions.py
      - __init__.py
      - test_na.py
      - test_vector_byte.py
      - test_vector_str.py
      - test_vector_complex.py
      - test_sexp.py
  - interactive
    - process_revents.py
    - packages.py
    - __init__.py
  - rinterface.py
- install_r_packages.r
- README.rst
- setup.py
- .travis.yml
- scripts
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  - R_run.bat
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- MANIFEST.in
- doc
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  - graphicaldevices.rst
  - Makefile
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  - robjects_functions.rst
  - callbacks.rst
  - numpy.rst
  - conda_environment.yml
  - rinterface-memorymanagement.rst
  - robjects.rst
  - rhelp.rst
  - introduction.rst
  - robjects_environments.rst
  - miscellaneous.rst
  - interactive.rst
  - performances.rst
  - porting-to-rpy2.rst
  - robjects_serialization.rst
  - rlike.rst
  - server.rst
  - overview.rst
  - appendix.rst
  - vector.rst
  - robjects_oop.rst
  - getting-started.rst
  - robjects_overview.rst
  - high-level.rst
  - robjects_rpackages.rst
  - related_projects.rst
  - notebooks
    - introduction_nb.md
    - dplyr.md
    - pandas.md
    - jupyter.md
    - tidyr.md
    - s4class.md
  - pandas.rst
  - robjects_robjects.rst
  - changes.rst
  - robjects_rinstance.rst
  - requirements.txt
  - index.rst
  - conf.py
  - graphics.rst
  - rinterface.rst
  - robjects_formulae.rst
  - robjects_convert.rst
  - lib_dplyr.rst
  - _static
    - notebooks
      - s4class.ipynb
      - dplyr.ipynb
      - pandas.ipynb
      - tidyr.ipynb
    - demos
      - s4classes.py
      - multiproc_lab.py
      - graphics.py
      - rpyclient.py
      - example01.py
      - radmin.py
      - rpyserve.py
      - benchmarks.py

import pytest
import pickle
import tempfile

from rpy2 import robjects


def test_pickle():
    tmp_file = tempfile.NamedTemporaryFile()
    robj = robjects.baseenv["pi"]
    pickle.dump(robj, tmp_file)
    tmp_file.flush()
    tmp_file.seek(0)
    robj_again = pickle.load(tmp_file)
    tmp_file.close()

    assert isinstance(robj, robjects.FloatVector)

    # Check that underlying R objects are identical.
    assert robjects.baseenv["identical"](robj,
                                         robj_again)[0]
    # Check the instance dict is also identical
    assert set(robj.__dict__.keys()) == set(robj_again.__dict__.keys())