Implement performance testing in the CI pipeline using phpbench

Author: MarkBaker

.github/workflows/main.yml

@@ -182,6 +182,37 @@ jobs:
       - name: Static analysis with PHPStan
         run: ./vendor/bin/phpstan analyse
 
+  performance:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP, with composer and extensions
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 7.4
+          extensions: ctype, dom, gd, iconv, fileinfo, libxml, mbstring, simplexml, xml, xmlreader, xmlwriter, zip, zlib
+          coverage: none
+          tools: cs2pr
+
+      - name: Get composer cache directory
+        id: composer-cache
+        run: echo "::set-output name=dir::$(composer config cache-files-dir)"
+
+      - name: Cache composer dependencies
+        uses: actions/cache@v2
+        with:
+          path: ${{ steps.composer-cache.outputs.dir }}
+          key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
+          restore-keys: ${{ runner.os }}-composer-
+
+      - name: Install dependencies
+        run: composer install --no-progress --prefer-dist --optimize-autoloader
+
+      - name: Performance tests with PHPBench
+        run: ./vendor/bin/phpbench run tests/performance --report=aggregate
+
   coverage:
     runs-on: ubuntu-latest
     steps:

composer.json

@@ -83,6 +83,7 @@
         "friendsofphp/php-cs-fixer": "^3.2",
         "jpgraph/jpgraph": "^4.0",
         "mpdf/mpdf": "8.1.1",
+        "phpbench/phpbench": "^1.2",
         "phpcompatibility/php-compatibility": "^9.3",
         "phpstan/phpstan": "^1.1",
         "phpstan/phpstan-phpunit": "^1.0",
@@ -104,6 +105,7 @@
     "autoload-dev": {
         "psr-4": {
             "PhpOffice\\PhpSpreadsheetTests\\": "tests/PhpSpreadsheetTests",
+            "PhpOffice\\PhpSpreadsheetPerformance\\": "tests/Performance",
             "PhpOffice\\PhpSpreadsheetInfra\\": "infra"
         }
     }