gcov和lcov的对C++代码覆盖率生成以及与Hudson的集成

Gcov - a Test Coverage Program

gcov is a tool you can use in conjunction with GCC to test code coverage in your programs. It’s no need to install independently. gcov works only on code compiled with GCC. It is not compatible with any other profiling or test coverage mechanism.

 Lcov - the LTP GCOV extension

LCOV is a graphical front-end for GCC's coverage testing tool gcov. It collects gcov data for multiple source files and creates HTML pages containing the source code annotated with coverage information. It also adds overview pages for easy navigation within the file structure. LCOV supports statement, function and branch coverage measurement.

Installing LCOV

The LCOV package is available as either RPM or tarball from:   http://ltp.sourceforge.net/coverage/lcov.php

I got lcov-1.9.tar.gz. To install the tarball, unpack it to a directory and run:

[root@Server lcov-1.9]# make install

 

Build -- Execute Shell in Hudson

Command 1

#generate .info file for test case codes

export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib:/usr/lib64:/lib:/lib64:/usr/local/lib

cd ./client/testunit/lcov

make clean

make

./driver

gcov *.cpp *.h

lcov -d . -t 'driver' -o 'test.info' -b . -c

Command 2

#generate .info file for client codes

cd ./client/src/client

gcov *.cpp

lcov -d . -t '../../testunit/lcov/driver' -o 'client.info' -b . -c

Command 3

#merge the .info files and generate html report

cd ./client

lcov -add-tracefile  ./src/client/client.info -a ./testunit/lcov/test.info -o ./result.info

genhtml -o result result.info

#copy the html pages to apache web server, can be ignored the two lines

rm -rf /usr/local/apache2/htdocs/MPI/

cp -rf ./result /usr/local/apache2/htdocs/MPI/

 Post-build Actions

 

 Publish HTML reports 加入index.html的路径，如图所示