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Author SHA1 Message Date
Reinhold Gschweicher 48f220b68a Add deprecation warning in ParseAndCatchTests 
Parsing C++ with regex in CMake is error prone and regularly leads to silently
dropped (not run) test cases.

Going forward the function `catch_discover_tests` from `contrib/CMake.cmake`
should be used.

For more information see https://github.com/catchorg/Catch2/issues/2092#issuecomment-747342765
 2021-05-09 18:05:25 +02:00
Reinhold Gschweicher 031a57e7b7 Fix Catch.cmake helper by setting variable globally 
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)
```
 2021-05-09 18:05:18 +02:00
Reinhold Gschweicher 74b397e6b8 Consider CMP0110 add_test() policy 
CMake 3.19 introduces new add_test() behavior guarded with the policy
CMP0110.

See: https://cmake.org/cmake/help/latest/policy/CMP0110.html

Update the helper script ParseAndAddCatchTests to consider the policy and
handle the test case name accordingly.
 2020-11-02 14:42:22 +01:00
Reinhold Gschweicher 730ec39a74 Fix indentation in ParseAndAddCatchTests 
Consistently use 4 spaces instead of tabs
 2020-11-02 14:42:19 +01:00
Reinhold Gschweicher 71328bae90 Fix CMake regex to add tests 
Fix regex that requires two string arguments in the form of
TEST_CASE("a", "b") resulting in not finding TEST_CASE("a") entries.

See https://regex101.com/r/JygOND/1

Fixes: https://github.com/catchorg/Catch2/issues/2055
 2020-11-02 14:42:17 +01:00
Reinhold Gschweicher 95c0c88d84 Fix CMake add test helper for CMake 3.18.0 
With CMake 3.18.0 the `add_test(NAME)` handling changed. The escaped
double quotes confuse the new call. Work around this upstream change.

fixes: https://github.com/catchorg/Catch2/issues/1984
 2020-07-26 15:15:50 +02:00
NeroBurner 3ed5441067 fix ctest output with space before name 
When PARSE_CATCH_TESTS_ADD_TARGET_IN_TEST_NAME is enabled the cmake helper script fails to extract the testcase name if a whitespace is before the name string. Use regex to consider and remove this whitespace.

fix by Mike-Devel
fixes: https://github.com/catchorg/Catch2/issues/1493
 2019-01-10 20:09:00 +01:00
NeroBurner 23f023f9ed cpp higlighting for test-cases-and-sections.md 
add c++ highlighting for the last two examples, all others already have highlighting
 2019-01-10 12:29:21 +01:00