Replace Travis CI with GitHub Actions (#193)

* Add PHPUnit GitHub workflow

* Add lint GitHub workflow

* Add dependabot.yml

.gitattributes

@@ -5,6 +5,5 @@
 /.editorconfig export-ignore
 /.gitattributes export-ignore
 /.gitignore export-ignore
-/.travis.yml export-ignore
 /phpcs.xml.dist export-ignore
 /phpunit.xml.dist export-ignore

.github/dependabot.yml

@@ -0,0 +1,20 @@
+version: 2
+updates:
+  - package-ecosystem: "composer"
+    directory: "/"
+    schedule:
+      interval: "daily"
+      time: "04:00"
+      timezone: "Europe/Zurich"
+    open-pull-requests-limit: 10
+    reviewers:
+      - "ocean90"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+      time: "04:00"
+      timezone: "Europe/Zurich"
+    open-pull-requests-limit: 10
+    reviewers:
+      - "ocean90"

.github/workflows/lint.yml

@@ -0,0 +1,54 @@
+name: Lint
+
+on:
+  pull_request:
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@v2
+
+      - name: Set up PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "7.4"
+          coverage: none
+          tools: composer, cs2pr
+
+      - name: Get Composer Cache Directory
+        id: composer-cache
+        run: |
+          echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Get Composer home directory
+        id: composer-home
+        run: |
+          echo "::set-output name=dir::$(composer config home)"
+
+      - name: Cache PHP dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: |
+            ${{ runner.os }}-composer-
+
+      - name: Install PHP dependencies
+        run: |
+          composer install --no-progress --no-suggest --prefer-dist --optimize-autoloader
+          composer global require ergebnis/composer-normalize
+          echo "${PWD}/vendor/bin" >> $GITHUB_PATH
+          echo "${{ steps.composer-home.outputs.dir }}/vendor/bin" >> $GITHUB_PATH
+
+      - name: Lint PHP files
+        run: phpcs -q --report=checkstyle | cs2pr
+
+      - name: Analyze PHP files
+        run: composer run-script analyze
+
+      - name: Lint composer.json
+        run: composer normalize --dry-run

.github/workflows/phpunit.yml

@@ -0,0 +1,116 @@
+name: PHPUnit
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  phpunit:
+    name: PHPUnit (PHP ${{ matrix.php }}, WordPress ${{ matrix.wordpress }}, GlotPress ${{ matrix.glotpress }})
+    runs-on: ${{ matrix.os }}
+    continue-on-error: ${{ matrix.experimental }}
+    services:
+      mysql:
+        image: mysql:5.7
+        ports:
+          - 3306/tcp
+        env:
+          MYSQL_ROOT_PASSWORD: password
+        # Set health checks to wait until mysql has started
+        options: >-
+          --health-cmd "mysqladmin ping"
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 3
+
+    strategy:
+      matrix:
+        os: [ ubuntu-latest ]
+        php: [ '7.4', '7.3', '7.2' ]
+        wordpress: [ 'latest', 'nightly' ]
+        glotpress: [ 'develop' ]
+        experimental: [ false ]
+        include:
+        # - php: '8.0'
+        #   os: ubuntu-latest
+        #   experimental: true
+          - os: ubuntu-latest
+            php: '7.4'
+            wordpress: 'latest'
+            glotpress: 'develop'
+            experimental: false
+            coverage: true
+          - os: ubuntu-latest
+            php: '7.1'
+            wordpress: 'latest'
+            glotpress: 'latest'
+            experimental: false
+          - os: ubuntu-latest
+            php: '7.1'
+            wordpress: 'nightly'
+            glotpress: 'latest'
+            experimental: false
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@v2
+
+      - name: Set PHP_COVERAGE
+        run: |
+          if [ ${{ matrix.coverage }} == 'true' ]; then
+            echo "PHP_COVERAGE=xdebug" >> $GITHUB_ENV
+          else
+            echo "PHP_COVERAGE=none" >> $GITHUB_ENV
+          fi
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          coverage: ${{ env.PHP_COVERAGE }}
+          tools: composer
+
+      - name: Get Composer cache directory
+        id: composer-cache
+        run: |
+          echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache PHP dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.json') }}
+          restore-keys: |
+            ${{ runner.os }}-composer-
+
+      - name: Install WP-CLI
+        run: |
+          curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
+          chmod +x wp-cli.phar
+          mkdir -p bin
+          mv wp-cli.phar bin/wp
+          echo "WP_CLI_BIN_DIR=${PWD}/bin" >> $GITHUB_ENV
+
+      - name: Install dependencies
+        run: |
+          composer install --no-progress --no-suggest --prefer-dist --optimize-autoloader
+          echo "${PWD}/vendor/bin" >> $GITHUB_PATH
+
+      - name: Install WordPress test setup
+        env:
+          WP_VERSION: ${{ matrix.wordpress }}
+          GP_VERSION: ${{ matrix.glotpress }}
+          MYSQL_PORT: ${{ job.services.mysql.ports[3306] }}
+        run: bash bin/install-wp-tests.sh wordpress_test root password "127.0.0.1:$MYSQL_PORT" "$WP_VERSION" "$GP_VERSION"
+
+      - name: Setup problem matchers for PHPUnit
+        run: echo "::add-matcher::${{ runner.tool_cache }}/phpunit.json"
+
+      - name: Run tests
+        run: composer run-script test
+
+      - name: Upload coverage to Codecov
+        if: ${{ matrix.coverage }}
+        uses: codecov/codecov-action@v1