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llvm-mirror/utils/lit/CMakeLists.txt
Zachary Turner 93cdde161f [lit] Add a test for the builtin config map.
Config map is not exposed through the command line, so testing this
is somewhat tricky.  But basically we need a test that if a custom
driver builds a config map and passes it to main, it gets respected.

A config map allows config files in the source tree to be mapped
to alternate config files in the build tree.  This particular test
works by having two config files in separate directories, and
setting up a config map to have that redirects A/lit.site.cfg
to B/altconfig.  Then, we print a message in A/lit.site.cfg
and B/altconfig and check that we do see the output from B
but don't see the output from A.  Additionally we test that
the test suite specified by A's config map is properly discovered.

Differential Revision: https://reviews.llvm.org/D38105

llvm-svn: 313887
2017-09-21 16:18:28 +00:00

33 lines
1.4 KiB
CMake

# The configured file is not placed in the correct location
# until the tests are run as we need to copy it into
# a copy of the tests folder
configure_lit_site_cfg(
"${CMAKE_CURRENT_SOURCE_DIR}/tests/lit.site.cfg.in"
"${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg"
OUTPUT_MAPPING
"${CMAKE_CURRENT_BINARY_DIR}/tests/lit.site.cfg"
)
# Lit's test suite creates output files next to the sources which makes the
# source tree dirty. This is undesirable because we do out of source builds.
# To work around this the tests and the configuration file are copied into the
# build directory just before running them. The tests are not copied over at
# configure time (i.e. `file(COPY ...)`) because this could lead to stale
# tests being run.
add_custom_target(prepare-check-lit
COMMAND ${CMAKE_COMMAND} -E remove_directory "${CMAKE_CURRENT_BINARY_DIR}/tests"
COMMAND ${CMAKE_COMMAND} -E copy_directory "${CMAKE_CURRENT_SOURCE_DIR}/tests" "${CMAKE_CURRENT_BINARY_DIR}/tests"
COMMAND ${CMAKE_COMMAND} -E copy "${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg" "${CMAKE_CURRENT_BINARY_DIR}/tests"
COMMENT "Preparing lit tests"
)
# Add rules for lit's own test suite
add_lit_testsuite(check-lit "Running lit's tests"
${CMAKE_CURRENT_BINARY_DIR}
DEPENDS "FileCheck" "not" "prepare-check-lit"
)
# For IDEs
set_target_properties(check-lit PROPERTIES FOLDER "Tests")
set_target_properties(prepare-check-lit PROPERTIES FOLDER "Tests")