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A way to register additional test targets and support .py only tests. (#3590)

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* A way to register additional test targets.

* Support specifying tests with extension.

* Ensure TEST_OVERRIDE is backwards compatible.

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Ensure regex is non greedy.

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
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Ivor Wanders 2022-01-11 20:31:19 -05:00 committed by GitHub
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commit 21911e126f
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5
.github/CONTRIBUTING.md vendored
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@ -159,8 +159,9 @@ tests with these targets:
* `test_cmake_build`: Install / subdirectory tests
If you want to build just a subset of tests, use
`-DPYBIND11_TEST_OVERRIDE="test_callbacks.cpp;test_pickling.cpp"`. If this is
empty, all tests will be built.
`-DPYBIND11_TEST_OVERRIDE="test_callbacks;test_pickling"`. If this is
empty, all tests will be built. Tests are specified without an extension if they need both a .py and
.cpp file.
You may also pass flags to the `pytest` target by editing `tests/pytest.ini` or
by using the `PYTEST_ADDOPTS` environment variable

172
tests/CMakeLists.txt
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@ -19,7 +19,7 @@ endif()
# Only needed for CMake < 3.5 support
include(CMakeParseArguments)
# Filter out items; print an optional message if any items filtered
# Filter out items; print an optional message if any items filtered. This ignores extensions.
#
# Usage:
# pybind11_filter_tests(LISTNAME file1.cpp file2.cpp ... MESSAGE "")
@ -27,10 +27,17 @@ include(CMakeParseArguments)
macro(pybind11_filter_tests LISTNAME)
cmake_parse_arguments(ARG "" "MESSAGE" "" ${ARGN})
set(PYBIND11_FILTER_TESTS_FOUND OFF)
# Make a list of the test without any extensions, for easier filtering.
set(_TMP_ACTUAL_LIST "${${LISTNAME}};") # enforce ';' at the end to allow matching last item.
string(REGEX REPLACE "\\.[^.;]*;" ";" LIST_WITHOUT_EXTENSIONS "${_TMP_ACTUAL_LIST}")
foreach(filename IN LISTS ARG_UNPARSED_ARGUMENTS)
list(FIND ${LISTNAME} ${filename} _FILE_FOUND)
string(REGEX REPLACE "\\.[^.]*$" "" filename_no_ext ${filename})
# Search in the list without extensions.
list(FIND LIST_WITHOUT_EXTENSIONS ${filename_no_ext} _FILE_FOUND)
if(_FILE_FOUND GREATER -1)
list(REMOVE_AT ${LISTNAME} ${_FILE_FOUND})
list(REMOVE_AT ${LISTNAME} ${_FILE_FOUND}) # And remove from the list with extensions.
list(REMOVE_AT LIST_WITHOUT_EXTENSIONS ${_FILE_FOUND}
)# And our search list, to ensure it is in sync.
set(PYBIND11_FILTER_TESTS_FOUND ON)
endif()
endforeach()
@ -47,6 +54,18 @@ macro(possibly_uninitialized)
endforeach()
endmacro()
# Function to add additional targets if any of the provided tests are found.
# Needles; Specifies the test names to look for.
# Additions; Specifies the additional test targets to add when any of the needles are found.
macro(tests_extra_targets needles additions)
# Add the index for this relation to the index extra targets map.
list(LENGTH PYBIND11_TEST_EXTRA_TARGETS PYBIND11_TEST_EXTRA_TARGETS_LEN)
list(APPEND PYBIND11_TEST_EXTRA_TARGETS ${PYBIND11_TEST_EXTRA_TARGETS_LEN})
# Add the test names to look for, and the associated test target additions.
set(PYBIND11_TEST_EXTRA_TARGETS_NEEDLES_${PYBIND11_TEST_EXTRA_TARGETS_LEN} ${needles})
set(PYBIND11_TEST_EXTRA_TARGETS_ADDITION_${PYBIND11_TEST_EXTRA_TARGETS_LEN} ${additions})
endmacro()
# New Python support
if(DEFINED Python_EXECUTABLE)
set(PYTHON_EXECUTABLE "${Python_EXECUTABLE}")
@ -92,55 +111,67 @@ if(PYBIND11_CUDA_TESTS)
set(CMAKE_CUDA_STANDARD_REQUIRED ON)
endif()
# Full set of test files (you can override these; see below)
# Full set of test files (you can override these; see below, overrides ignore extension)
# Any test that has no extension is both .py and .cpp, so 'foo' will add 'foo.cpp' and 'foo.py'.
# Any test that has an extension is exclusively that and handled as such.
set(PYBIND11_TEST_FILES
test_async.cpp
test_buffers.cpp
test_builtin_casters.cpp
test_call_policies.cpp
test_callbacks.cpp
test_chrono.cpp
test_class.cpp
test_const_name.cpp
test_constants_and_functions.cpp
test_copy_move.cpp
test_custom_type_casters.cpp
test_custom_type_setup.cpp
test_docstring_options.cpp
test_eigen.cpp
test_enum.cpp
test_eval.cpp
test_exceptions.cpp
test_factory_constructors.cpp
test_gil_scoped.cpp
test_iostream.cpp
test_kwargs_and_defaults.cpp
test_local_bindings.cpp
test_methods_and_attributes.cpp
test_modules.cpp
test_multiple_inheritance.cpp
test_numpy_array.cpp
test_numpy_dtypes.cpp
test_numpy_vectorize.cpp
test_opaque_types.cpp
test_operator_overloading.cpp
test_pickling.cpp
test_pytypes.cpp
test_sequences_and_iterators.cpp
test_smart_ptr.cpp
test_stl.cpp
test_stl_binders.cpp
test_tagbased_polymorphic.cpp
test_thread.cpp
test_union.cpp
test_virtual_functions.cpp)
test_async
test_buffers
test_builtin_casters
test_call_policies
test_callbacks
test_chrono
test_class
test_const_name
test_constants_and_functions
test_copy_move
test_custom_type_casters
test_custom_type_setup
test_docstring_options
test_eigen
test_enum
test_eval
test_exceptions
test_factory_constructors
test_gil_scoped
test_iostream
test_kwargs_and_defaults
test_local_bindings
test_methods_and_attributes
test_modules
test_multiple_inheritance
test_numpy_array
test_numpy_dtypes
test_numpy_vectorize
test_opaque_types
test_operator_overloading
test_pickling
test_pytypes
test_sequences_and_iterators
test_smart_ptr
test_stl
test_stl_binders
test_tagbased_polymorphic
test_thread
test_union
test_virtual_functions)
# Invoking cmake with something like:
# cmake -DPYBIND11_TEST_OVERRIDE="test_callbacks.cpp;test_pickling.cpp" ..
# lets you override the tests that get compiled and run. You can restore to all tests with:
# cmake -DPYBIND11_TEST_OVERRIDE= ..
if(PYBIND11_TEST_OVERRIDE)
set(PYBIND11_TEST_FILES ${PYBIND11_TEST_OVERRIDE})
# Instead of doing a direct override here, we iterate over the overrides without extension and
# match them against entries from the PYBIND11_TEST_FILES, anything that not matches goes into the filter list.
string(REGEX REPLACE "\\.[^.;]*;" ";" TEST_OVERRIDE_NO_EXT "${PYBIND11_TEST_OVERRIDE};")
string(REGEX REPLACE "\\.[^.;]*;" ";" TEST_FILES_NO_EXT "${PYBIND11_TEST_FILES};")
# This allows the override to be done with extensions, preserving backwards compatibility.
foreach(test_name ${TEST_FILES_NO_EXT})
if(NOT ${test_name} IN_LIST TEST_OVERRIDE_NO_EXT
)# If not in the whitelist, add to be filtered out.
list(APPEND PYBIND11_TEST_FILTER ${test_name})
endif()
endforeach()
endif()
# You can also filter tests:
@ -162,15 +193,34 @@ if(PYBIND11_CUDA_TESTS)
"Skipping test_constants_and_functions due to incompatible exception specifications")
endif()
string(REPLACE ".cpp" ".py" PYBIND11_PYTEST_FILES "${PYBIND11_TEST_FILES}")
# Now that the test filtering is complete, we need to split the list into the test for PYTEST
# and the list for the cpp targets.
set(PYBIND11_CPPTEST_FILES "")
set(PYBIND11_PYTEST_FILES "")
foreach(test_name ${PYBIND11_TEST_FILES})
if(test_name MATCHES "\\.py$") # Ends in .py, purely python test.
list(APPEND PYBIND11_PYTEST_FILES ${test_name})
elseif(test_name MATCHES "\\.cpp$") # Ends in .cpp, purely cpp test.
list(APPEND PYBIND11_CPPTEST_FILES ${test_name})
elseif(NOT test_name MATCHES "\\.") # No extension specified, assume both, add extension.
list(APPEND PYBIND11_PYTEST_FILES ${test_name}.py)
list(APPEND PYBIND11_CPPTEST_FILES ${test_name}.cpp)
else()
message(WARNING "Unhanded test extension in test: ${test_name}")
endif()
endforeach()
set(PYBIND11_TEST_FILES ${PYBIND11_CPPTEST_FILES})
list(SORT PYBIND11_PYTEST_FILES)
# Contains the set of test files that require pybind11_cross_module_tests to be
# built; if none of these are built (i.e. because TEST_OVERRIDE is used and
# doesn't include them) the second module doesn't get built.
set(PYBIND11_CROSS_MODULE_TESTS test_exceptions.py test_local_bindings.py test_stl.py
test_stl_binders.py)
tests_extra_targets("test_exceptions.py;test_local_bindings.py;test_stl.py;test_stl_binders.py"
"pybind11_cross_module_tests")
set(PYBIND11_CROSS_MODULE_GIL_TESTS test_gil_scoped.py)
# And add additional targets for other tests.
tests_extra_targets("test_gil_scoped.py" "cross_module_gil_utils")
set(PYBIND11_EIGEN_REPO
"https://gitlab.com/libeigen/eigen.git"
@ -353,21 +403,17 @@ endfunction()
set(test_targets pybind11_tests)
# Build pybind11_cross_module_tests if any test_whatever.py are being built that require it
foreach(t ${PYBIND11_CROSS_MODULE_TESTS})
list(FIND PYBIND11_PYTEST_FILES ${t} i)
if(i GREATER -1)
list(APPEND test_targets pybind11_cross_module_tests)
break()
endif()
endforeach()
foreach(t ${PYBIND11_CROSS_MODULE_GIL_TESTS})
list(FIND PYBIND11_PYTEST_FILES ${t} i)
if(i GREATER -1)
list(APPEND test_targets cross_module_gil_utils)
break()
# Check if any tests need extra targets by iterating through the mappings registered.
foreach(i ${PYBIND11_TEST_EXTRA_TARGETS})
foreach(needle ${PYBIND11_TEST_EXTRA_TARGETS_NEEDLES_${i}})
if(needle IN_LIST PYBIND11_PYTEST_FILES)
# Add all the additional targets to the test list. List join in newer cmake.
foreach(extra_target ${PYBIND11_TEST_EXTRA_TARGETS_ADDITION_${i}})
list(APPEND test_targets ${extra_target})
endforeach()
break() # Breaks out of the needle search, continues with the next mapping.
endif()
endforeach()
endforeach()
# Support CUDA testing by forcing the target file to compile with NVCC