🔧 explicitly switch on tests in CI

.circleci/config.yml

@@ -10,12 +10,9 @@ jobs:
       - run:
           name: Install required tools
           command: 'apt-get update && apt-get install -y gcc g++ git cmake'
-      - run:
-          name: Show versions
-          command: 'g++ --version ; uname -a; cmake --version'
       - run:
           name: Run CMake
-          command: 'mkdir build ; cd build ; cmake ..'
+          command: 'mkdir build ; cd build ; cmake .. -DJSON_BuildTests=On'
       - run:
           name: Compile
           command: 'cmake --build build'
@@ -33,12 +30,9 @@ jobs:
       - run:
           name: Install required tools
           command: 'pacman -Sy --noconfirm base base-devel gcc git cmake'
-      - run:
-          name: Show versions
-          command: 'g++ --version ; uname -a; cmake --version'
       - run:
           name: Run CMake
-          command: 'mkdir build ; cd build ; cmake ..'
+          command: 'mkdir build ; cd build ; cmake .. -DJSON_BuildTests=On'
       - run:
           name: Compile
           command: 'cmake --build build'

.github/workflows/macos.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: cmake
-      run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug
+      run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On
     - name: build
       run: cmake --build build --parallel 10
     - name: test

.github/workflows/ubuntu.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: cmake
-      run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug
+      run: cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On
     - name: build
       run: cmake --build build --parallel 10
     - name: test

.github/workflows/windows.yml

@@ -10,7 +10,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - name: cmake
-      run: cmake -S . -B build -G "Visual Studio 16 2019" -D CMAKE_BUILD_TYPE=Debug
+      run: cmake -S . -B build -G "Visual Studio 16 2019" -D CMAKE_BUILD_TYPE=Debug -DJSON_BuildTests=On
     - name: build
       run: cmake --build build --parallel 10
     - name: test

.travis.yml

@@ -321,13 +321,9 @@ script:
   # by default, use the single-header version
   - if [[ "${MULTIPLE_HEADERS}" == "" ]]; then export MULTIPLE_HEADERS=OFF; fi
 
-  # show OS/compiler version
-  - uname -a
-  - $CXX --version
-
   # compile and execute unit tests
   - mkdir -p build && cd build
-  - cmake .. ${CMAKE_OPTIONS} -DJSON_MultipleHeaders=${MULTIPLE_HEADERS} -GNinja && cmake --build . --config Release
+  - cmake .. ${CMAKE_OPTIONS} -DJSON_MultipleHeaders=${MULTIPLE_HEADERS} -GNinja && cmake --build . --config Release -DJSON_BuildTests=On
   - ctest -C Release --timeout 2700 -V -j
   - cd ..
 

README.md

@@ -1501,7 +1501,7 @@ To compile and run the tests, you need to execute
 ```sh
 $ mkdir build
 $ cd build
-$ cmake ..
+$ cmake .. -DJSON_BuildTests=On
 $ cmake --build .
 $ ctest --output-on-failure
 ```

appveyor.yml

@@ -112,7 +112,7 @@ before_build:
   # for with_win_header build, inject the inclusion of Windows.h to the single-header library
   - ps: if ($env:name -Eq "with_win_header") { $header_path = "single_include\nlohmann\json.hpp" }
   - ps: if ($env:name -Eq "with_win_header") { "#include <Windows.h>`n" + (Get-Content $header_path | Out-String) | Set-Content $header_path }
-  - if "%GENERATOR%"=="Ninja" (cmake . -G "%GENERATOR%" -DCMAKE_BUILD_TYPE="%configuration%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_EXE_LINKER_FLAGS="%LINKER_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin") else (cmake . -G "%GENERATOR%" -A "%GENERATOR_PLATFORM%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_EXE_LINKER_FLAGS="%LINKER_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin")
+  - if "%GENERATOR%"=="Ninja" (cmake . -G "%GENERATOR%" -DCMAKE_BUILD_TYPE="%configuration%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_EXE_LINKER_FLAGS="%LINKER_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin" -DJSON_BuildTests=On) else (cmake . -G "%GENERATOR%" -A "%GENERATOR_PLATFORM%" -DCMAKE_CXX_FLAGS="%CXX_FLAGS%" -DCMAKE_EXE_LINKER_FLAGS="%LINKER_FLAGS%" -DCMAKE_IGNORE_PATH="C:/Program Files/Git/usr/bin" -DJSON_BuildTests=On)
 
 build_script:
   - cmake --build . --config "%configuration%"

test/CMakeLists.txt

@@ -183,6 +183,7 @@ add_dependencies(json_unit download_test_data)
 #############################################################################
 # Test the generated build configs
 #############################################################################
+
 add_subdirectory(cmake_import)
 add_subdirectory(cmake_import_minver)
 add_subdirectory(cmake_add_subdirectory)