NEW Install extra PHP extensions for some unit tests

.github/workflows/ci.yml

@@ -101,7 +101,7 @@ jobs:
     steps:
       - name: Generate matrix
         id: generate-matrix
-        uses: silverstripe/gha-generate-matrix@v1
+        uses: creative-commoners/gha-generate-matrix@pulls/1/in-memory-cache
         with:
           composer_install: ${{ inputs.composer_install }}
           extra_jobs: ${{ inputs.extra_jobs }}
@@ -187,7 +187,7 @@ jobs:
         with:
           php-version: ${{ matrix.php }}
           extensions: curl, dom, gd, intl, json, ldap, mbstring, mysql, tidy, xdebug, zip
-          tools: composer:v2
+          tools: composer:v2, pecl
           coverage: xdebug
           # While this should be the correct way to allow forks in composer.json repositories
           # in practice there are still many sporadic "Could not authenticate against github.com" errors
@@ -197,6 +197,8 @@ jobs:
           # COMPOSER_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Configure PHP
+        env:
+          INSTALL_IN_MEMORY_CACHE_EXTS: ${{ matrix.install_inmemory_cache_exts }}
         run: |
           # Set memory limit and disable xdebug if not running phpcoverage
           if [[ -z $(which php) ]]; then
@@ -234,6 +236,15 @@ jobs:
             echo "Removed PHP extension $extension"
           fi
 
+          echo "INSTALL_IN_MEMORY_CACHE_EXTS is $INSTALL_IN_MEMORY_CACHE_EXTS"
+          echo "matrix.install_inmemory_cache_exts is ${{ matrix.install_inmemory_cache_exts }}"
+          if [[ $INSTALL_IN_MEMORY_CACHE_EXTS == 'true' ]]; then
+            pecl install memcached
+            pecl install redis
+            sudo sh -c "echo 'apc.enable_cli=On' >> /etc/php/${{ matrix.php }}/cli/php.ini"
+            echo 'Installed in-memory cache extensions and set APCu to be enabled'
+          fi
+
           echo "PHP has been configured"
 
       - name: Install additional requirements 

README.md

@@ -149,3 +149,6 @@ The end-to-end suite as defined in `behat.yml`. Must be defined, specify 'root'
 
 ###### endtoend_config
 The `behat.yml` config file to use if not using the root `behat.yml`. Only used if running behat tests in a different module
+
+###### install_inmemory_cache_exts
+Must be true or false. Determines whether to install in-memory cache extensions for framework unit tests.