[CMake] building tests

[Michael Wild]

On 8. Jul, 2010, at 4:40 , Paul Harris wrote:

> On 7 July 2010 23:05, Michael Wild <themiwi at gmail.com> wrote:
> 
>> 
>> On 7. Jul, 2010, at 16:01 , Paul Harris wrote:
>> 
>>> Hi all,
>>> 
>>> I have looked and can't find the answer, so I turn to the list.
>>> 
>>> I have a CMakeLists.txt and a subdirectory called utils, which also has
>> its
>>> own CMakeLists.txt
>>> 
>>> In the parent CML.txt, I have something like:
>>> 
>>> ENABLE_TESTING()
>>> add_subdirectory(utils)
>>> 
>>> In my utils CML.txt, I have
>>> 
>>> ADD_EXECUTABLE(unit_1 units/unit_1.cpp)
>>> ADD_TEST( unit_1 ${EXECUTABLE_OUTPUT_PATH}/unit_1 )
>>> 
>> 
>> Simplify this to
>> 
>> ADD_TEST(unit_1 unit_1)
>> 
>> CMake will figure out by itself that unit_1 is a target and invoke the
>> executable correctly (your code would break for multi-configuration IDE
>> generators).
>> 
>> 
> This does not work for me.  If I do not have the EXECUTABLE_OUTPUT_PATH in
> add_test, I get a message like this when i run "make test" (shortened for
> brevity):
> 
>  1/  1 Testing unit_string_numeric_utils     Could not find executable
> unit_string_numeric_utils
> Looked in the following places:
> unit_string_numeric_utils
> unit_string_numeric_utils
> Release/unit_string_numeric_utils
> Release/unit_string_numeric_utils

Mmmh, works fine for me:

--------->8---------
cmake_minimum_required(VERSION 2.8)
project(tmp)

enable_testing()

add_executable(unit1 unit1.cpp)
add_test(unit1 unit1)
---------<8---------

Where unit1.cpp is just a simple hello-world program. Running it:

--------->8---------
$ mkdir build
$ cd build
$ cmake ..
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Checking whether C compiler has -isysroot
-- Checking whether C compiler has -isysroot - yes
-- Checking whether C compiler supports OSX deployment target flag
-- Checking whether C compiler supports OSX deployment target flag - yes
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Checking whether CXX compiler has -isysroot
-- Checking whether CXX compiler has -isysroot - yes
-- Checking whether CXX compiler supports OSX deployment target flag
-- Checking whether CXX compiler supports OSX deployment target flag - yes
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/mwild/tmp/cmake/tests/build
$ make all test
Scanning dependencies of target unit1
[100%] Building CXX object CMakeFiles/unit1.dir/unit1.cpp.o
Linking CXX executable unit1
[100%] Built target unit1
Running tests...
Test project /Users/mwild/tmp/cmake/tests/build
    Start 1: unit1
1/1 Test #1: unit1 ............................   Passed    0.00 sec

100% tests passed, 0 tests failed out of 1

Total Test time (real) =   0.01 sec
---------<8---------


Michael