chore: Move CI to GitHub Actions

- Build and run unit tests with CMake
- Track code coverage with Coveralls
- Build examples on officially supported boards
- Removed TravisCI configuration

Closes #233.

Author: franky47

.github/workflows/cmake.yml

@@ -2,13 +2,14 @@ name: CMake
 
 on:
   push:
-    branches: [ master ]
   pull_request:
     branches: [ master ]
 
 env:
   # Customize the CMake build type here (Release, Debug, RelWithDebInfo, etc.)
-  BUILD_TYPE: Release
+  BUILD_TYPE: Debug
+  GENERATE_COVERAGE: true
+  LCOV_ROOT: ${{github.workspace}}/lcov
 
 jobs:
   build:
@@ -22,17 +23,37 @@ jobs:
     - uses: actions/checkout@v2
       with:
         submodules: recursive
-    
+
+    - name: Install lcov
+      run: |
+        mkdir -p "$LCOV_ROOT"
+        wget https://github.com/linux-test-project/lcov/releases/download/v1.15/lcov-1.15.tar.gz --output-document="$LCOV_ROOT/lcov.tar.gz"
+        tar -xf "$LCOV_ROOT/lcov.tar.gz" --strip-components=1 -C "$LCOV_ROOT"
+        echo "$LCOV_ROOT/bin" >> $GITHUB_PATH
+      shell: bash
+
     - name: Configure CMake
       # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
       # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
-      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}}
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DBUILDER_ENABLE_PROFILING=true
 
     - name: Build
       # Build your program with the given configuration
       run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}}
 
     - name: Run Unit Tests
       working-directory: ${{github.workspace}}/build
-      run: ./test/unit-tests/unit-tests
-      
+      run: ctest --verbose
+
+    - name: Generate code coverage report
+      working-directory: ${{github.workspace}}/build
+      run: |
+        lcov --directory . --capture --output-file coverage.info
+        lcov --remove coverage.info '/usr/*' "${{github.workspace}}/test/*" "${{github.workspace}}/external/*" --output-file coverage.info
+        lcov --list coverage.info
+
+    - uses: coverallsapp/github-action@9ba913c152ae4be1327bfb9085dc806cedb44057
+      name: Upload code coverage report to Coveralls
+      with:
+        path-to-lcov: ${{github.workspace}}/build/coverage.info
+        github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/platformio.yml

@@ -0,0 +1,59 @@
+name: PlatformIO
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  platformio:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        example:
+          - AltPinSerial
+          - Basic_IO
+          - Bench
+          - Callbacks
+          - DualMerger
+          - ErrorCallback
+          - Input
+          - RPN_NRPN
+          - SimpleSynth
+        board:
+          - uno
+          - due
+          - zero
+          - leonardo
+          - micro
+          - nanoatmega328
+          - megaatmega2560
+          - teensy2
+          - teensy30
+          - teensy31
+          - teensylc
+    steps:
+    - uses: actions/checkout@v2
+    - name: Cache pip
+      uses: actions/cache@v2
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+        restore-keys: ${{ runner.os }}-pip-
+    - name: Cache PlatformIO
+      uses: actions/cache@v2
+      with:
+        path: ~/.platformio
+        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
+    - name: Set up Python
+      uses: actions/setup-python@v2
+    - name: Install PlatformIO
+      run: |
+        python -m pip install --upgrade pip
+        pip install --upgrade platformio
+    - name: Run PlatformIO
+      run: pio ci --lib="." --board="${{matrix.board}}"
+      env:
+        PLATFORMIO_CI_SRC: examples/${{ matrix.example }}

.travis.yml

@@ -5,7 +5,7 @@
 // Here, when receiving any message on channel 4, the Arduino
 // will blink a led and play back a note for 1 second.
 
-#if defined(ARDUINO_SAM_DUE) || defined(SAMD_SERIES)
+#if defined(ARDUINO_SAM_DUE) || defined(SAMD_SERIES) || defined(_VARIANT_ARDUINO_ZERO_)
    /* example not relevant for this hardware (SoftwareSerial not supported) */
    MIDI_CREATE_DEFAULT_INSTANCE();
 #else