[TASK] Add coveralls for code coverage

.coveralls.yml

@@ -0,0 +1,3 @@
+service_name: github-actions
+coverage_clover: .Build/logs/clover.xml
+json_path: .Build/logs/coveralls-upload.json

.gitattributes

@@ -1,3 +1,4 @@
+/.coveralls.yml export-ignore
 /.crowdin.yml export-ignore
 /.editorconfig export-ignore
 /.gitattributes export-ignore

.github/workflows/ci.yml

@@ -51,6 +51,30 @@ jobs:
       - name: Run PHP linter
         run: |
           find . -name \*.php  ! -path "./.Build/*" -exec php -l {} \;
+      - name: Run unit tests
+        run: |
+          .Build/bin/phpunit -c Tests/phpunit.xml.dist
+  code-coverage:
+    name: Code Coverage
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v1
+        with:
+          fetch-depth: 1
+      - name: Setup PHP version
+        uses: shivammathur/setup-php@v1
+        with:
+          php-version: 7.2
+      - name: Install composer dependencies
+        run: |
+          composer --version
+          composer install
       - name: Run unit tests
         run: |
           .Build/bin/phpunit -c Tests/phpunit.xml.dist --log-junit .Build/logs/phpunit.xml --coverage-text --coverage-clover .Build/logs/clover.xml
+      - name: Send code coverage report to coveralls.io
+        run: .Build/bin/php-coveralls -v
+        env:
+          COVERALLS_RUN_LOCALLY: 1
+          COVERALLS_REPO_TOKEN: ${{ secrets.COVERALLS_REPO_TOKEN }}

README.md

@@ -1,6 +1,7 @@
 # TYPO3 content element: Code snippet with syntax highlighting
 
 [![CI Status](https://github.com/brotkrueml/codehighlight/workflows/CI/badge.svg?branch=master)](https://github.com/brotkrueml/codehighlight/actions?query=workflow%3ACI)
+[![Coverage Status](https://coveralls.io/repos/github/brotkrueml/codehighlight/badge.svg?branch=master)](https://coveralls.io/github/brotkrueml/codehighlight?branch=master)
 [![Crowdin](https://badges.crowdin.net/typo3-extension-codehighlight/localized.svg)](https://crowdin.com/project/typo3-extension-codehighlight)
 [![Latest Stable Version](https://poser.pugx.org/brotkrueml/codehighlight/v/stable)](https://packagist.org/packages/brotkrueml/schema)
 

composer.json

@@ -23,6 +23,7 @@
         "typo3/cms-frontend": "^9.5.5 || ^10.0"
     },
     "require-dev": {
+        "php-coveralls/php-coveralls": "^2.2",
         "phpunit/phpunit": "^8.4"
     },
     "suggest": {