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Add cmake option to override tests (#489)

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When working on some particular feature, it's nice to be able to disable
all the tests except for the one I'm working on; this is currently
possible by editing tests/CMakeLists.txt, and commenting out the tests
you don't want.

This commit goes a step further by letting you give a list of tests you
do want when invoking cmake, e.g.:

    cmake -DPYBIND11_TEST_OVERRIDE="test_issues.cpp;test_pickling.cpp" ..

changes the build to build just those two tests (and changes the `pytest`
target to invoke just the two associated tests).

This persists in the build directory until you disable it again by
running cmake with `-DPYBIND11_TEST_OVERRIDE=`.  It also adds a message
after the pytest output to remind you that it is in effect:

    Note: not all tests run: -DPYBIND11_TEST_OVERRIDE is in effect
This commit is contained in:
Jason Rhinelander 2016-11-12 19:10:53 -05:00 committed by Wenzel Jakob
parent 5e1c0445cf
commit 920e0e349d
1 changed files with 14 additions and 0 deletions
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14
tests/CMakeLists.txt
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@ -5,6 +5,7 @@ if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
"MinSizeRel" "RelWithDebInfo")
endif()
# Full set of test files (you can override these; see below)
set(PYBIND11_TEST_FILES
test_alias_initialization.cpp
test_buffers.cpp
@ -37,6 +38,14 @@ set(PYBIND11_TEST_FILES
test_virtual_functions.cpp
)
# Invoking cmake with something like:
# cmake -DPYBIND11_TEST_OVERRIDE="test_issues.cpp;test_picking.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 ${PYBIND11_TEST_OVERRIDE})
endif()
string(REPLACE ".cpp" ".py" PYBIND11_PYTEST_FILES "${PYBIND11_TEST_FILES}")
# Check if Eigen is available; if not, remove from PYBIND11_TEST_FILES (but
@ -90,6 +99,11 @@ endif()
add_custom_target(pytest COMMAND ${PYTHON_EXECUTABLE} -m pytest -rws ${PYBIND11_PYTEST_FILES}
DEPENDS pybind11_tests WORKING_DIRECTORY ${testdir})
if(PYBIND11_TEST_OVERRIDE)
add_custom_command(TARGET pytest POST_BUILD
COMMAND ${CMAKE_COMMAND} -E echo "Note: not all tests run: -DPYBIND11_TEST_OVERRIDE is in effect")
endif()
# And another to show the .so size and, if a previous size, compare it:
add_custom_command(TARGET pybind11_tests POST_BUILD
COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_SOURCE_DIR}/tools/libsize.py