ENH: Added FindCxxTest module to assist others in using the CxxTest unit testing framework within CTest

Modules/FindCxxTest.cmake

@@ -0,0 +1,90 @@
+# - Find CxxTest
+# Find the CxxTest suite and declare a helper macro for creating unit tests
+# and integrating them with CTest.  To assist in finding CxxTest the
+# CMAKE_PREFIX_PATH variable can be used.
+# For more details on CxxTest see http://cxxtest.tigris.org
+#
+# INPUT Variables
+#
+#   CXXTEST_USE_PYTHON
+#       If true, have the CXXTEST_ADD_TEST macro use
+#       the python test generator instead of perl.
+#
+# OUTPUT Variables
+#
+#   CXXTEST_INCLUDE_DIR
+#       Where to find the CxxTest include directory
+#   CXXTEST_FOUND
+#       True if the CxxTest framework was found
+#   CXXTEST_PERL_TESTGEN_EXECUTABLE
+#       The perl-based test generator.
+#   CXXTEST_PYTHON_TESTGEN_EXECUTABLE
+#       The python-based test generator.
+#
+# MACROS for use by CMake users:
+#
+#    CXXTEST_ADD_TEST(<test_name> <gen_source_file> <input_files_to_testgen...>)
+#       Creates a CxxTest runner and adds it to the CTest testing suite
+#       Parameters:
+#           test_name               The name of the test
+#           gen_source_file         The generated source filename to be generated by CxxTest
+#           input_files_to_testgen  The list of header files containing the
+#                                   CxxTest::TestSuite's to be included in this runner
+#           
+#       Example:
+#           ENABLE_TESTING()
+#           CXXTEST_ADD_TEST(unittest_foo foo_test.cc ${CMAKE_CURRENT_SOURCE_DIR}/foo_test.h)
+#
+#              This will:
+#              1. Invoke the testgen executable to autogenerate foo_test.cc in the
+#                 binary tree from "foo_test.h" in the current source directory.
+#              2. Create an executable and test called unittest_foo.
+#               
+
+MACRO(CXXTEST_ADD_TEST _cxxtest_testname _cxxtest_outfname)
+    SET(_cxxtest_real_outfname ${CMAKE_CURRENT_BINARY_DIR}/${_cxxtest_outfname})
+    IF(CXXTEST_USE_PYTHON)
+        SET(_cxxtest_executable ${CXXTEST_PYTHON_TESTGEN_EXECUTABLE})
+    ELSE(CXXTEST_USE_PYTHON)
+        SET(_cxxtest_executable ${CXXTEST_PERL_TESTGEN_EXECUTABLE})
+    ENDIF(CXXTEST_USE_PYTHON)
+
+    ADD_CUSTOM_COMMAND(
+        OUTPUT  ${_cxxtest_real_outfname}
+        DEPENDS ${ARGN}
+        COMMAND ${_cxxtest_executable}
+        --error-printer -o ${_cxxtest_real_outfname} ${ARGN}
+    )
+
+    SET_SOURCE_FILES_PROPERTIES(${_cxxtest_real_outfname} PROPERTIES GENERATED true)
+    ADD_EXECUTABLE(${_cxxtest_testname} ${_cxxtest_real_outfname})
+
+    IF(CMAKE_RUNTIME_OUTPUT_DIRECTORY)
+        # The test binary is in CMAKE_RUNTIME_OUTPUT_DIRECTORY
+        ADD_TEST(${_cxxtest_testname} ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/${_cxxtest_testname})
+
+    ELSEIF(EXECUTABLE_OUTPUT_PATH)
+        ADD_TEST(${_cxxtest_testname} ${EXECUTABLE_OUTPUT_PATH}/${_cxxtest_testname})
+
+    ELSE(CMAKE_RUNTIME_OUTPUT_DIRECTORY)
+        ADD_TEST(${_cxxtest_testname} ${CMAKE_CURRENT_BINARY_DIR}/${_cxxtest_testname})
+
+    ENDIF(CMAKE_RUNTIME_OUTPUT_DIRECTORY)
+
+ENDMACRO(CXXTEST_ADD_TEST)
+
+#=========
+# main
+#=========
+
+FIND_PATH(CXXTEST_INCLUDE_DIR cxxtest/SelfTest.h)
+FIND_PROGRAM(CXXTEST_PERL_TESTGEN_EXECUTABLE cxxtestgen.pl)
+FIND_PROGRAM(CXXTEST_PYTHON_TESTGEN_EXECUTABLE cxxtestgen.py)
+
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(CxxTest DEFAULT_MSG CXXTEST_INCLUDE_DIR)
+IF(CXXTEST_INCLUDE_DIR)
+    SET(CXXTEST_INCLUDE_DIRS ${CXXTEST_INCLUDE_DIR})
+    SET(CXXTEST_FOUND true)
+ENDIF(CXXTEST_INCLUDE_DIR)
+