Add extension template with PHPStan, PHPUnit and phpcs

tests/docker-prepare.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+set -eu -o pipefail
+
+EXT_DIR=$(dirname "$(dirname "$(realpath "$0")")")
+EXT_NAME=$(basename "$EXT_DIR")
+
+i=0
+while ! mysql -h "$CIVICRM_DB_HOST" -P "$CIVICRM_DB_PORT" -u "$CIVICRM_DB_USER" --password="$CIVICRM_DB_PASS" -e 'SELECT 1;' >/dev/null 2>&1; do
+  i=$((i+1))
+  if [ $i -gt 10 ]; then
+    echo "Failed to connect to database" >&2
+    exit 1
+  fi
+
+  echo -n .
+  sleep 1
+done
+
+echo
+
+export XDEBUG_MODE=off
+if mysql -h "$CIVICRM_DB_HOST" -P "$CIVICRM_DB_PORT" -u "$CIVICRM_DB_USER" --password="$CIVICRM_DB_PASS" "$CIVICRM_DB_NAME" -e 'SELECT 1 FROM civicrm_setting LIMIT 1;' >/dev/null 2>&1; then
+  cv flush
+else
+  # For headless tests it is required that CIVICRM_UF is defined using the corresponding env variable.
+  sed -E "s/define\('CIVICRM_UF', '([^']+)'\);/define('CIVICRM_UF', getenv('CIVICRM_UF') ?: '\1');/g" \
+    -i /var/www/html/sites/default/civicrm.settings.php
+  civicrm-docker-install
+
+  # Avoid this error:
+  # The autoloader expected class "Civi\ActionSchedule\Mapping" to be defined in
+  # file "[...]/Civi/ActionSchedule/Mapping.php". The file was found but the
+  # class was not in it, the class name or namespace probably has a typo.
+  rm -f /var/www/html/sites/all/modules/civicrm/Civi/ActionSchedule/Mapping.php
+
+  # For headless tests these files need to exist.
+  touch /var/www/html/sites/all/modules/civicrm/sql/test_data.mysql
+  touch /var/www/html/sites/all/modules/civicrm/sql/test_data_second_domain.mysql
+
+  cv ext:enable "$EXT_NAME"
+fi
+
+cd "$EXT_DIR"
+composer update --no-progress --prefer-dist --optimize-autoloader --no-dev
+composer composer-phpunit -- update --no-progress --prefer-dist