Example of a gtest and cmake set up for C++ on Travis-CI.

Overview

Build Statuscodecov

What is this?

This is an example setup of Travis-CI with cmake and google test. I finally got all three working together nicely with the help of dmonopoly's cmake and gtest example. Hopefully it'll help someone get set up with cmake and google test on travis-ci.

Where are things?

build/ is where code is built - like where executables are.
ext/ includes googletest framework (git submodule) inlcude/ is where the header files are located (here: project1.h) src/ is where the source files are located (here: project1.cpp, main.cpp) test/ is where the test source files are located (here: test_project1.cpp) Rest of code in root:
-CMakeLists.txt must be in each subdirectory of the project

What do I do?

Use it on Travis-CI:

Please look at the travis.yml file to see the setup of travis. As the gtest library is located within your project. The procedure on Travis is quite simple. Note that I used a more recent version of cmake as provided in the ubuntu precise repositories. This is needed for the relatively recent command REMOVE_ITEM to exclude the main.cpp from the source file list as I am lazy and did not want to write out the files by name.

Use it locally:

If you want to test it all out through the common gtest procedure, first delete build/ (if present). Then...

In the project root:

mkdir build
cd build
cmake ..

By now Makefiles should be created. Then, to build executables and do all that linking stuff,

make

To prepare all your tests, run this:

cmake -DBUILD_TESTS=ON ..

To run all tests easily,

make test

Note: cmake -DBUILD_TESTS=ON turns on the variable 'BUILD_TESTS', which is specified in the root CMakeLists.txt file. This is handy if you want to build in certain ways. Clear description here.

Run executables

Then you can do ./myexecutable for the generated executable, e.g.:

./project1

and if you did cmake with BUILD_TESTS=ON:

./runUnitTests

Acknowledgement and further details

This repository is based on the works of David Y. Zhang in this repository. He spent a lot of time figuring out all the details for cmake and gtest. Please refer to his repository README for more detail on his approach.

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