build: add option for running tests

cmake configuration for running tests is now in the
tests folder.

Add option in main cmake file that has to be set to
ON and only build the tests in that case.

Update appveyor and travis ci configurations accordingly.

.travis.yml

@@ -27,6 +27,6 @@ before_install:
 script:
   - mkdir tmp
   - cd tmp
-  - cmake ..
+  - cmake -DMADDY_ENABLED_TESTS=ON ..
   - make -j4
   - ../build/MaddyTests

CHANGELOG.md

@@ -18,6 +18,7 @@ maddy uses [semver versioning](https://semver.org/).
 * ![**ADDED**](https://img.shields.io/badge/-ADDED-%23099) Added contribution guideline
 * ![**CHANGED**](https://img.shields.io/badge/-CHANGED-%23e90) updated cmake minimum required version to 3.25
 * ![**CHANGED**](https://img.shields.io/badge/-CHANGED-%23e90) gtest is now loaded via cmake and not a git submodule any longer - updated gtest version to 1.13.0
+* ![**CHANGED**](https://img.shields.io/badge/-CHANGED-%23e90) tests are only run if the cmake option `MADDY_ENABLED_TESTS` is on, moved test cmake code to the `tests` subfolder
 * ?
 
 ## version 1.1.2 2020-10-04

CMakeLists.txt

@@ -5,8 +5,6 @@ cmake_minimum_required(VERSION 3.25)
 
 project(maddy)
 
-enable_testing()
-
 # ------------------------------------------------------------------------------
 
 set(MADDY_CPP_VERSION 14)
@@ -20,8 +18,15 @@ set(LIBRARY_OUTPUT_PATH ${CMAKE_BINARY_DIR})
 
 # ------------------------------------------------------------------------------
 
+option(MADDY_ENABLED_TESTS "enable building tests" OFF)
+
+if(${MADDY_ENABLED_TESTS})
+  enable_testing()
+endif()
+
+# ------------------------------------------------------------------------------
+
 set(MADDY_INCLUDE_DIR ${PROJECT_SOURCE_DIR}/include)
-file(GLOB_RECURSE MADDY_TESTS_FILES ${CMAKE_CURRENT_SOURCE_DIR}/tests/maddy/*.cpp)
 
 # ------------------------------------------------------------------------------
 
@@ -54,10 +59,6 @@ endif()
 
 # ------------------------------------------------------------------------------
 
-add_subdirectory(libs)
-
-# ------------------------------------------------------------------------------
-
 add_library(maddy INTERFACE)
 target_include_directories(maddy INTERFACE
   ${MADDY_INCLUDE_DIR}
@@ -65,14 +66,6 @@ target_include_directories(maddy INTERFACE
 
 # ------------------------------------------------------------------------------
 
-add_executable(
-  MaddyTests
-    ${MADDY_TESTS_FILES}
-    ${CMAKE_CURRENT_SOURCE_DIR}/tests/main.cpp
-)
-target_include_directories(MaddyTests PUBLIC
-  ${LIBS_INCLUDE_DIRS}
-  ${CMAKE_CURRENT_SOURCE_DIR}/tests
-)
-target_link_libraries(MaddyTests maddy gmock_main)
-add_test(MaddyTests ${CMAKE_CURRENT_SOURCE_DIR}/build/MaddyTests)
+if(${MADDY_ENABLED_TESTS})
+  add_subdirectory(tests)
+endif()

README.md

@@ -15,7 +15,7 @@ It is tested to work on:
 
 * Linux (gcc)
 * OSX (clang)
-* Windows (Visual Studio 2017)
+* Windows (Visual Studio 2017, mingw)
 
 ## Dependencies
 
@@ -63,10 +63,9 @@ Open your preferred terminal and type:
 ```shell
 git clone https://github.com/progsource/maddy.git
 cd maddy
-git submodule update --init --recursive
 mkdir tmp
 cd tmp
-cmake ..
+cmake -DMADDY_ENABLED_TESTS=ON ..
 make
 make test # or run the executable in ../build/MaddyTests
 ```

appveyor.yml

@@ -6,7 +6,7 @@ install:
 before_build:
   - cmd: mkdir tmp
   - cmd: cd tmp
-  - cmd: cmake -G "Visual Studio 15 Win64" ..
+  - cmd: cmake -G "Visual Studio 15 Win64" -DMADDY_ENABLED_TESTS=ON ..
 
 build:
   project: $(APPVEYOR_BUILD_FOLDER)\tmp\$(APPVEYOR_PROJECT_NAME).sln

libs/CMakeLists.txt

@@ -1,11 +0,0 @@
-# This project is licensed under the MIT license. For more information see the
-# LICENSE file.
-
-include(FetchContent)
-
-FetchContent_Declare(
-  googletest
-  GIT_REPOSITORY https://github.com/google/googletest.git
-  GIT_TAG        b796f7d44681514f58a683a3a71ff17c94edb0c1 # v1.13.0
-)
-FetchContent_MakeAvailable(googletest)

tests/CMakeLists.txt

@@ -0,0 +1,28 @@
+# This project is licensed under the MIT license. For more information see the
+# LICENSE file.
+
+include(FetchContent)
+
+FetchContent_Declare(
+  googletest
+  GIT_REPOSITORY https://github.com/google/googletest.git
+  GIT_TAG        b796f7d44681514f58a683a3a71ff17c94edb0c1 # v1.13.0
+)
+FetchContent_MakeAvailable(googletest)
+
+# ------------------------------------------------------------------------------
+
+file(GLOB_RECURSE MADDY_TESTS_FILES ${CMAKE_CURRENT_SOURCE_DIR}/maddy/*.cpp)
+
+# ------------------------------------------------------------------------------
+
+add_executable(
+  MaddyTests
+    ${MADDY_TESTS_FILES}
+    ${CMAKE_CURRENT_SOURCE_DIR}/main.cpp
+)
+target_include_directories(MaddyTests PUBLIC
+  ${CMAKE_CURRENT_SOURCE_DIR}
+)
+target_link_libraries(MaddyTests maddy gmock_main)
+add_test(MaddyTests MaddyTests)