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Add the optional variable OptionalCatchTestLauncher

This variable is set to allow the use of the nice ParseAndAddCatchTests script
in the case where a launcher is needed to execute  the script.

This is introduced to allow to launch unit tests using mpi. In this case one can
write for instance
  set(OptionalCatchTestLauncher ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} ${NUMPROC})
before calling the ParseAndAddCatchTests function.
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delpinux authored and horenmar committed Oct 17, 2018
1 parent 8b3c09c commit 544c7d7cbf66be41b2e213fd0c71a8b4dcb5323b
Showing with 16 additions and 1 deletion.
  1. +6 −1 contrib/ParseAndAddCatchTests.cmake
  2. +10 −0 docs/
@@ -39,6 +39,11 @@
# -- causes CMake to rerun when file with tests changes so that new tests will be discovered #
# #
# One can also set (locally) the optional variable OptionalCatchTestLauncher to precise the way #
# a test should be run. For instance to use test MPI, one can write #
# set(OptionalCatchTestLauncher ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} ${NUMPROC}) #
# just before calling this ParseAndAddCatchTests function #
# #
cmake_minimum_required(VERSION 2.8.8)
@@ -168,7 +173,7 @@ function(ParseFile SourceFile TestTarget)
# Add the test and set its properties
add_test(NAME "\"${CTestName}\"" COMMAND ${TestTarget} ${Name} ${AdditionalCatchParameters})
add_test(NAME "\"${CTestName}\"" COMMAND ${OptionalCatchTestLauncher} ${TestTarget} ${Name} ${AdditionalCatchParameters})
set_tests_properties("\"${CTestName}\"" PROPERTIES FAIL_REGULAR_EXPRESSION "No tests ran"
LABELS "${Labels}")
@@ -172,6 +172,16 @@ step will be re-ran when the test files change, letting new tests be
automatically discovered. Defaults to `OFF`.
Optionally, one can specify a launching command to run tests by setting the
variable `OptionalCatchTestLauncher` before calling `ParseAndAddCatchTests`. For
instance to run some tests using `MPI` and other sequentially, one can write
set(OptionalCatchTestLauncher ${MPIEXEC} ${MPIEXEC_NUMPROC_FLAG} ${NUMPROC})
## CMake project options
Catch2's CMake project also provides some options for other projects

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