catch3/contrib/Catch.cmake, branch v2.13.9 Progmasoft Catch3: an independently maintained C++17 test framework with a parallel runner, property checks, snapshots and structured results. Fix Catch.cmake helper by setting variable globally 2020-12-17T17:50:04+00:00 Reinhold Gschweicher 2020-12-17T09:28:05+00:00 2375a7f5b7a05d44dad4c339d2ec0a01bd51b835 Set `_CATCH_DISCOVER_TESTS_SCRIPT` helper variable globally. Otherwise in a scoped call (like `add_subdirectory()`) the variable gets lost. This lost variable results in a post build error with not much information to lead to the root of the problem. This enables the usage of the helper script with the following example structure - CMakeLists.txt (project root with `add_subdirectory(external/catch2)` - external/catch2 - CMakeLists.txt (contents listed below) - contrib/Catch.cmake - contrib/CatchAddTests.cmake - catch2/catch.hpp - tests - CMakeLists.txt (add tests with `catch_discover_tests(${PROJECT_NAME})`) contents of project specific helper `external/catch2/CMakeLists.txt` ```cmake cmake_minimum_required (VERSION 3.1...${CMAKE_VERSION}) project(Catch2 LANGUAGES CXX VERSION 2.13.3) add_library(Catch2 INTERFACE) target_include_directories(Catch2 INTERFACE $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}> ) # provide a namespaced alias for clients to 'link' against if catch is included as a sub-project add_library(Catch2::Catch2 ALIAS Catch2) include(contrib/Catch.cmake) ``` 
Set `_CATCH_DISCOVER_TESTS_SCRIPT` helper variable globally. Otherwise in a
scoped call (like `add_subdirectory()`) the variable gets lost. This lost
variable results in a post build error with not much information to lead to the
root of the problem.

This enables the usage of the helper script with the following example structure

- CMakeLists.txt (project root with `add_subdirectory(external/catch2)`
- external/catch2
  - CMakeLists.txt (contents listed below)
  - contrib/Catch.cmake
  - contrib/CatchAddTests.cmake
  - catch2/catch.hpp
- tests
  - CMakeLists.txt (add tests with `catch_discover_tests(${PROJECT_NAME})`)

contents of project specific helper `external/catch2/CMakeLists.txt`
```cmake
cmake_minimum_required (VERSION 3.1...${CMAKE_VERSION})
project(Catch2 LANGUAGES CXX VERSION 2.13.3)
add_library(Catch2 INTERFACE)
target_include_directories(Catch2
  INTERFACE
    $<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}>
)
 # provide a namespaced alias for clients to 'link' against if catch is included as a sub-project
add_library(Catch2::Catch2 ALIAS Catch2)
include(contrib/Catch.cmake)
```
Add REPORTER and OUTPUT_* args 2020-09-23T17:12:06+00:00 Martin Stump 2020-09-12T09:12:30+00:00 eadf4e32b653bc59aa10f9f521f318a7de1d73ba 






Catch ``catch_discover_tests``
2018-01-11T20:17:12+00:00

garethsb-sony

2017-12-19T12:26:37+00:00

3d7104c124e3af88eda573f867f79d0aa9ef6c72

Copied from [Dynamic Catch test discovery in CMake](https://gist.github.com/garethsb/a01ed0dbd4977d439c16200640549935), which was inspired by [Dynamic Google Test Discovery in CMake 3.10](https://blog.kitware.com/dynamic-google-test-discovery-in-cmake-3-10/).

Original source code:

- Adapted by [Gareth Sylvester-Bradley](https://github.com/garethsb) from [GoogleTest ``gtest_discover_tests``](https://gitlab.kitware.com/cmake/cmake/merge_requests/1056).
- BSD 3-clause "New" or "Revised" License.
- Copyright 2000-2017 Kitware, Inc. and Contributors. All rights reserved.





Copied from [Dynamic Catch test discovery in CMake](https://gist.github.com/garethsb/a01ed0dbd4977d439c16200640549935), which was inspired by [Dynamic Google Test Discovery in CMake 3.10](https://blog.kitware.com/dynamic-google-test-discovery-in-cmake-3-10/).

Original source code:

- Adapted by [Gareth Sylvester-Bradley](https://github.com/garethsb) from [GoogleTest ``gtest_discover_tests``](https://gitlab.kitware.com/cmake/cmake/merge_requests/1056).
- BSD 3-clause "New" or "Revised" License.
- Copyright 2000-2017 Kitware, Inc. and Contributors. All rights reserved.