add coverage test

.github/workflows/ci.yml

@@ -1,7 +1,8 @@
 name: ci
 
 env:
-  CTEST_PARALLEL_LEVEL: 3
+  CTEST_PARALLEL_LEVEL: 4
+  CMAKE_BUILD_PARALLEL_LEVEL: 4
   CMAKE_BUILD_TYPE: Release
 
 on:
@@ -39,7 +40,7 @@ jobs:
     - name: configure examples
       run: cmake -S Examples -B Examples/build -Dnc4fortran_ROOT=${HOME}
     - name: build examples
-      run: cmake --build Examples/build --parallel
+      run: cmake --build Examples/build
     - name: Test examples
       run: ctest --test-dir Examples/build -V
 
@@ -70,6 +71,36 @@ jobs:
       run: ctest --test-dir Examples/build -V
 
 
+  linux-coverage:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/setup-python@v2
+      with:
+        python-version: '3.x'
+
+    - name: install hdf5
+      run: |
+        sudo apt update -yq
+        sudo apt install -yq --no-install-recommends libnetcdff-dev
+
+    - name: install Gcovr
+      run: pip install gcovr
+
+    - run: cmake --preset coverage
+    - run: cmake --build --preset coverage --parallel
+
+    - name: Code coverage
+      run: cmake --build --preset run-coverage
+
+    - uses: actions/upload-artifact@v2
+      with:
+        name: coverage-report-html
+        path: build-coverage/coverage/
+
+
   mac:
     needs: linux
     runs-on: macos-latest

.github/workflows/ci_meson.yml

@@ -9,7 +9,8 @@ on:
 
 jobs:
 
-  meson:
+  linux:
+    timeout-minutes: 15
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
@@ -20,7 +21,7 @@ jobs:
     - run: pip install meson ninja
     - run: |
         sudo apt update -yq
-        sudo apt install -yq --no-install-recommends gfortran libnetcdff-dev
+        sudo apt install -yq --no-install-recommends libnetcdff-dev
 
     - run: meson setup build
     - run: meson compile -C build

CMakeLists.txt

@@ -35,7 +35,11 @@ include(cmake/libraries.cmake)
 # --- find NetCDF4
 
 if(NOT netcdf_external)
-  find_package(NetCDF COMPONENTS Fortran)
+  if(autobuild)
+    find_package(NetCDF COMPONENTS Fortran)
+  else()
+    find_package(NetCDF COMPONENTS Fortran REQUIRED)
+  endif()
 endif()
 
 if(NOT NetCDF_FOUND OR netcdf_external)

CMakePresets.json

@@ -13,7 +13,18 @@
   "displayName": "build all libraries",
   "description": "Build all external libraries without searching for existing libraries.",
   "cacheVariables": {
-    "netcdf_external": "on"
+    "netcdf_external": true
+  }
+},
+{
+  "name": "coverage",
+  "binaryDir": "${sourceDir}/build-coverage",
+  "displayName": "Code Coverage",
+  "description": "Build with code coverage enabled.",
+  "cacheVariables": {
+    "CMAKE_BUILD_TYPE": "Debug",
+    "ENABLE_COVERAGE": true,
+    "autobuild": false
   }
 },
 {
@@ -35,6 +46,15 @@
     "name": "debug",
     "configurePreset": "multi",
     "configuration": "Debug"
+  },
+  {
+    "name": "coverage",
+    "configurePreset": "coverage"
+  },
+  {
+    "name": "run-coverage",
+    "configurePreset": "coverage",
+    "targets": "coverage"
   }
 ],
 "testPresets": [