[FEATURE] Calculate code coverage (#266)

.ddev/php/custom-php.ini

@@ -0,0 +1,2 @@
+[PHP]
+xdebug.mode=coverage

.github/workflows/codecoverage.yml

@@ -0,0 +1,67 @@
+---
+# This GitHub Actions workflow is calculating code coverage of extension and creates a badge for it.
+name: Code coverage
+on:
+  push:
+    branches:
+      - main
+jobs:
+  code-coverage:
+    name: "Calculate code coverage"
+    runs-on: ubuntu-18.04
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v2
+      - name: "Install PHP"
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: "${{ matrix.php-version }}"
+          coverage: xdebug
+          extensions: xdebug, mysqli
+          tools: composer:v2
+      - name: "Show Composer version"
+        run: composer --version
+      - name: "Cache dependencies installed with composer"
+        uses: actions/cache@v1
+        with:
+          key: "php${{ matrix.php-version }}-composer-${{ hashFiles('**/composer.json') }}"
+          path: ~/.cache/composer
+          restore-keys: "php${{ matrix.php-version }}-composer-\n"
+      - env:
+          TYPO3: "${{ matrix.typo3-version }}"
+        name: "Install TYPO3 Core"
+        run: |
+          composer require --no-progress typo3/minimal:"$TYPO3"
+          composer show
+      - name: "Start MySQL"
+        run: "sudo /etc/init.d/mysql start"
+      - name: "Run functional tests with coverage"
+        run: |
+          export typo3DatabaseName="typo3";
+          export typo3DatabaseHost="127.0.0.1";
+          export typo3DatabaseUsername="root";
+          export typo3DatabasePassword="root";
+          composer ci:coverage:functional
+      - name: "Run unit tests with coverage"
+        run: composer ci:coverage:unit
+      - name: "Merge coverage results"
+        run: composer ci:coverage:merge
+      - name: "Generate coverage badge"
+        uses: timkrase/phpunit-coverage-badge@v1.2.0
+        with:
+          report: './coverage/clover.xml'
+          coverage_badge_path: './coverage/badge.svg'
+      - name: "Commit PHPUnit coverage results"
+        uses: s0/git-publish-subdir-action@develop
+        env:
+          REPO: self
+          BRANCH: code-coverage-badge
+          FOLDER: coverage
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version:
+          - 7.4
+        typo3-version:
+          - ^10.4

.gitignore

@@ -7,5 +7,6 @@
 /Resources/Private/yarn-error.log
 /Resources/Private/yarn.lock
 /composer.lock
+/clover.xml
 /nbproject
 /var

README.md

@@ -3,6 +3,7 @@
 [![GitHub CI status](https://github.com/TYPO3-Documentation/tea/workflows/CI/badge.svg?branch=main)](https://github.com/TYPO3-Documentation/tea/actions)
 [![GitLab CI status](https://gitlab.typo3.org/qa/example-extension/badges/main/pipeline.svg)](https://gitlab.typo3.org/qa/example-extension/-/pipelines)
 [![Latest stable version](https://poser.pugx.org/ttn/tea/v/stable.svg)](https://packagist.org/packages/ttn/tea)
+[![Code Coverage Badge](https://github.com/TYPO3-Documentation/tea/blob/code-coverage-badge/badge.svg)](https://github.com/TYPO3-Documentation/tea/blob/code-coverage-badge/clover.xml)
 [![Total downloads](https://poser.pugx.org/ttn/tea/downloads.svg)](https://packagist.org/packages/ttn/tea)
 [![Latest unstable version](https://poser.pugx.org/ttn/tea/v/unstable.svg)](https://packagist.org/packages/ttn/tea)
 [![License](https://poser.pugx.org/ttn/tea/license.svg)](https://packagist.org/packages/ttn/tea)

composer.json

@@ -88,6 +88,13 @@
 			"@ci:static"
 		],
 		"ci:composer:normalize": "@composer normalize --dry-run",
+		"ci:coverage": [
+			"@ci:coverage:unit",
+			"@ci:coverage:functional"
+		],
+		"ci:coverage:functional": ".Build/vendor/bin/phpunit -c .Build/vendor/nimut/testing-framework/res/Configuration/FunctionalTests.xml --whitelist Classes --coverage-php=coverage/functional.cov Tests/Functional",
+		"ci:coverage:merge": "@php tools/phpcov merge --clover=./coverage/clover.xml coverage/",
+		"ci:coverage:unit": ".Build/vendor/bin/phpunit -c .Build/vendor/nimut/testing-framework/res/Configuration/UnitTests.xml --whitelist Classes --coverage-php=coverage/unit.cov Tests/Unit",
 		"ci:dynamic": [
 			"@ci:tests"
 		],
@@ -163,6 +170,9 @@
 	"scripts-descriptions": {
 		"ci": "Runs all dynamic and static code checks.",
 		"ci:composer:normalize": "Checks the composer.json.",
+		"ci:coverage:functional": "Generates the code coverage report for functional tests.",
+		"ci:coverage:merge": "Merges the code coverage reports for unit and functional tests.",
+		"ci:coverage:unit": "Generates the code coverage report for unit tests.",
 		"ci:dynamic": "Runs all PHPUnit tests (unit and functional).",
 		"ci:json:lint": "Lints the JSON files.",
 		"ci:php": "Runs all static checks for the PHP files.",

phive.xml

@@ -2,4 +2,5 @@
 <phive xmlns="https://phar.io/phive">
   <phar name="phar-io/phive" version="^0.14.5" installed="0.14.5" location="./tools/phive" copy="true"/>
   <phar name="phpcpd" version="^6.0.3" installed="6.0.3" location="./tools/phpcpd" copy="true"/>
+  <phar name="phpcov" version="^5.0.0" installed="5.0.0" location="./tools/phpcov" copy="true"/>
 </phive>