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Add cross-module test plugin
This adds the infrastructure for a separate test plugin for cross-module tests. (This commit contains no tests that actually use it, but the following commits do; this is separated simply to provide a cleaner commit history).
This commit is contained in:
Jason Rhinelander
parent
e98d31d697
commit
0bd5979c77
@ -67,6 +67,12 @@ endif()
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string(REPLACE ".cpp" ".py" PYBIND11_PYTEST_FILES "${PYBIND11_TEST_FILES}")
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# Contains the set of test files that require pybind11_cross_module_tests to be
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# built; if none of these are built (i.e. because TEST_OVERRIDE is used and
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# doesn't include them) the second module doesn't get built.
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set(PYBIND11_CROSS_MODULE_TESTS
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)
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# Check if Eigen is available; if not, remove from PYBIND11_TEST_FILES (but
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# keep it in PYBIND11_PYTEST_FILES, so that we get the "eigen is not installed"
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# skip message).
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@ -120,36 +126,52 @@ function(pybind11_enable_warnings target_name)
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endif()
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endfunction()
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set(test_targets pybind11_tests)
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# Create the binding library
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pybind11_add_module(pybind11_tests THIN_LTO pybind11_tests.cpp
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${PYBIND11_TEST_FILES} ${PYBIND11_HEADERS})
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pybind11_enable_warnings(pybind11_tests)
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if(MSVC)
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target_compile_options(pybind11_tests PRIVATE /utf-8)
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endif()
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if(EIGEN3_FOUND)
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if (PYBIND11_EIGEN_VIA_TARGET)
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target_link_libraries(pybind11_tests PRIVATE Eigen3::Eigen)
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else()
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target_include_directories(pybind11_tests PRIVATE ${EIGEN3_INCLUDE_DIR})
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# Build pybind11_cross_module_tests if any test_whatever.py are being built that require it
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foreach(t ${PYBIND11_CROSS_MODULE_TESTS})
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list(FIND PYBIND11_PYTEST_FILES ${t} i)
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if (i GREATER -1)
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list(APPEND test_targets pybind11_cross_module_tests)
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break()
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endif()
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target_compile_definitions(pybind11_tests PRIVATE -DPYBIND11_TEST_EIGEN)
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endif()
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endforeach()
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set(testdir ${CMAKE_CURRENT_SOURCE_DIR})
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foreach(tgt ${test_targets})
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set(test_files ${PYBIND11_TEST_FILES})
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if(NOT tgt STREQUAL "pybind11_tests")
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set(test_files "")
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endif()
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# Always write the output file directly into the 'tests' directory (even on MSVC)
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if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
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set_target_properties(pybind11_tests PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${testdir})
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foreach(config ${CMAKE_CONFIGURATION_TYPES})
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string(TOUPPER ${config} config)
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set_target_properties(pybind11_tests PROPERTIES LIBRARY_OUTPUT_DIRECTORY_${config} ${testdir})
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endforeach()
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endif()
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# Create the binding library
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pybind11_add_module(${tgt} THIN_LTO ${tgt}.cpp
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${test_files} ${PYBIND11_HEADERS})
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pybind11_enable_warnings(${tgt})
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if(MSVC)
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target_compile_options(${tgt} PRIVATE /utf-8)
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endif()
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if(EIGEN3_FOUND)
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if (PYBIND11_EIGEN_VIA_TARGET)
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target_link_libraries(${tgt} PRIVATE Eigen3::Eigen)
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else()
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target_include_directories(${tgt} PRIVATE ${EIGEN3_INCLUDE_DIR})
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endif()
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target_compile_definitions(${tgt} PRIVATE -DPYBIND11_TEST_EIGEN)
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endif()
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# Always write the output file directly into the 'tests' directory (even on MSVC)
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if(NOT CMAKE_LIBRARY_OUTPUT_DIRECTORY)
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set_target_properties(${tgt} PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${testdir})
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foreach(config ${CMAKE_CONFIGURATION_TYPES})
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string(TOUPPER ${config} config)
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set_target_properties(${tgt} PROPERTIES LIBRARY_OUTPUT_DIRECTORY_${config} ${testdir})
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endforeach()
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endif()
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endforeach()
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# Make sure pytest is found or produce a fatal error
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if(NOT PYBIND11_PYTEST_FOUND)
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@ -173,7 +195,7 @@ endif()
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# A single command to compile and run the tests
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add_custom_target(pytest COMMAND ${PYTHON_EXECUTABLE} -m pytest ${PYBIND11_PYTEST_FILES}
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DEPENDS pybind11_tests WORKING_DIRECTORY ${testdir} ${PYBIND11_USES_TERMINAL})
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DEPENDS ${test_targets} WORKING_DIRECTORY ${testdir} ${PYBIND11_USES_TERMINAL})
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if(PYBIND11_TEST_OVERRIDE)
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add_custom_command(TARGET pytest POST_BUILD
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@ -189,7 +211,7 @@ if (NOT PROJECT_NAME STREQUAL "pybind11")
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return()
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endif()
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# Add a post-build comment to show the .so size and, if a previous size, compare it:
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# Add a post-build comment to show the primary test suite .so size and, if a previous size, compare it:
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add_custom_command(TARGET pybind11_tests POST_BUILD
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COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/tools/libsize.py
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$<TARGET_FILE:pybind11_tests> ${CMAKE_CURRENT_BINARY_DIR}/sosize-$<TARGET_FILE_NAME:pybind11_tests>.txt)
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20
tests/pybind11_cross_module_tests.cpp
Normal file
20
tests/pybind11_cross_module_tests.cpp
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@ -0,0 +1,20 @@
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/*
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tests/pybind11_cross_module_tests.cpp -- contains tests that require multiple modules
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Copyright (c) 2017 Jason Rhinelander <jason@imaginary.ca>
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All rights reserved. Use of this source code is governed by a
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BSD-style license that can be found in the LICENSE file.
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*/
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#include "pybind11_tests.h"
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PYBIND11_MODULE(pybind11_cross_module_tests, m) {
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m.doc() = "pybind11 cross-module test module";
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// test_local_bindings.py tests:
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//
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// Definitions here are tested by importing both this module and the
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// relevant pybind11_tests submodule from a test_whatever.py
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}
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