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.

.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:
@@ -23,10 +24,18 @@ jobs:
       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
@@ -34,5 +43,17 @@ jobs:
 
     - 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

@@ -1,104 +0,0 @@
-# Kudos to these guys:
-# https://github.com/Return-To-The-Roots/s25client/blob/master/.travis.yml
-# http://docs.platformio.org/en/stable/ci/travis.html
-
-sudo: false
-language: python
-
-os:
-    - linux
-
-python:
-    - "2.7"
-
-# Cache PlatformIO packages using Travis CI container-based infrastructure
-cache:
-    directories:
-        - "~/.platformio"
-
-env:
-    global:
-        - BUILD_TYPE=Debug
-    matrix:
-        - BUILD_UNIT_TESTS=1
-        - PLATFORMIO_CI_SRC=examples/Basic_IO
-        - PLATFORMIO_CI_SRC=examples/Bench
-        - PLATFORMIO_CI_SRC=examples/Callbacks
-        - PLATFORMIO_CI_SRC=examples/DualMerger
-        - PLATFORMIO_CI_SRC=examples/ErrorCallback
-        - PLATFORMIO_CI_SRC=examples/Input
-        - PLATFORMIO_CI_SRC=examples/RPN_NRPN
-        - PLATFORMIO_CI_SRC=examples/SimpleSynth
-        - PLATFORMIO_CI_SRC=examples/AltPinSerial
-
-addons:
-    apt:
-        sources:
-            - ubuntu-toolchain-r-test
-        packages:
-            - g++-4.8
-            - cmake
-
-install:
-    - |
-        if [ "${BUILD_UNIT_TESTS}" ]; then
-            # GCov 4.6 cannot handle the file structure
-            export CXX="g++-4.8"
-            export GCOV="gcov-4.8"
-
-            # Install newer lcov (1.9 seems to fail: http://gronlier.fr/blog/2015/01/adding-code-coverage-to-your-c-project/)
-            export LCOV_ROOT="$HOME/lcov"
-            mkdir -p "$LCOV_ROOT"
-            wget http://ftp.de.debian.org/debian/pool/main/l/lcov/lcov_1.14.orig.tar.gz --output-document="$LCOV_ROOT/lcov.tar.gz"
-            tar xf "$LCOV_ROOT/lcov.tar.gz" --strip-components=1 -C $LCOV_ROOT
-            export PATH="$LCOV_ROOT/bin:$PATH"
-            which lcov
-
-            # Install coveralls tool
-            gem install coveralls-lcov
-            export GENERATE_COVERAGE=1
-        else
-            # Install PlatformIO
-            pip install -U platformio
-        fi
-
-script:
-    # Build unit tests & generate code coverage
-    - |
-        if [ "${BUILD_UNIT_TESTS}" ]; then
-            mkdir build && cd build
-            cmake -DCMAKE_CXX_COMPILER=$COMPILER -DCMAKE_BUILD_TYPE=${BUILD_TYPE} -DBUILDER_ENABLE_PROFILING=${GENERATE_COVERAGE} --generator="Unix Makefiles" ..
-            make all
-            ctest --verbose
-        fi
-
-    # Build current example
-    - |
-        if [ ! "${BUILD_UNIT_TESTS}" ]; then
-            platformio ci --lib="."       \
-                --board="uno"             \
-                --board="due"             \
-                --board="zero"            \
-                --board="leonardo"        \
-                --board="micro"           \
-                --board="nanoatmega328"   \
-                --board="megaatmega2560"  \
-                --board="teensy2"         \
-                --board="teensy30"        \
-                --board="teensy31"        \
-                --board="teensylc"
-        fi
-
-after_success:
-    - |
-        if [ "${GENERATE_COVERAGE}" ]; then
-            # Generate code coverage information & send to Coveralls
-            rm -rf ./external/google-test/googletest/CMakeFiles/gtest.dir/src/gtest-all.cc.gcda
-            lcov --gcov-tool $GCOV --directory . --capture --output-file coverage.info
-            lcov --gcov-tool $GCOV --remove coverage.info 'test/*' '/usr/*' 'external/*' --output-file coverage.info
-            lcov --list coverage.info
-            coveralls-lcov --repo-token ${COVERALLS_TOKEN} coverage.info
-        fi
-
-notifications:
-    email: false

examples/AltPinSerial/AltPinSerial.ino

@@ -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