adding phpUnit 8.x as dev-requirement and try staring Apache in Travis for CalDAV tests

.travis.yml

@@ -13,25 +13,15 @@ matrix:
 
 services:
   - memcached
-  - mysql #we use mariadb instead installed via addons below
+  - mysql
 # - postgres
 
-#addons:
-#  mariadb: '10.0'
-
 sudo: required
 
 before_script:
   - sudo apt-get update -qq
-  - sudo apt-get install -y libpcre3-dev
+  - sudo apt-get install -y libpcre3-dev apache2 libapache2-mod-fastcgi
   - case $(phpenv version-name) in
-    "5.6")
-       yes "" | pecl install memcache;
-       yes "" | pecl install apcu-4.0.11;
-       yes "" | pecl install igbinary;
-       echo "extension=memcached.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini;
-       phpenv config-rm xdebug.ini;
-       ;;
     "7"|"7.0"|"7.1"|"7.2")
        yes "" | pecl install apcu;
        echo "extension=memcached.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini;
@@ -41,17 +31,18 @@ before_script:
        echo "extension=memcached.so" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini;
       ;;
     esac
-  - case $(phpenv version-name) in
-    "5.6")
-       composer require 'phpunit/phpunit:~5.7';
-       ;;
-    "7"|"7.0")
-       composer require 'phpunit/phpunit:~6';
-       ;;
-    *)
-       composer require --ignore-platform-reqs 'phpunit/phpunit:~7';
-      ;;
-    esac
+  # enable apache with php-fpm see https://docs.travis-ci.com/user/languages/php/#apache--php
+  - sudo cp ~/.phpenv/versions/$(phpenv version-name)/etc/php-fpm.conf.default ~/.phpenv/versions/$(phpenv version-name)/etc/php-fpm.conf
+  - sudo a2enmod rewrite actions fastcgi alias
+  - echo "cgi.fix_pathinfo = 1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+  - sudo sed -i -e "s,www-data,travis,g" /etc/apache2/envvars
+  - sudo chown -R travis:travis /var/lib/apache2/fastcgi
+  - ~/.phpenv/versions/$(phpenv version-name)/sbin/php-fpm
+  # configure apache virtual hosts
+  - sudo cp -f doc/travis-ci-apache.conf /etc/apache2/sites-available/000-default.conf
+  - sudo sed -e "s?%TRAVIS_BUILD_DIR%?$(pwd)?g" --in-place /etc/apache2/sites-available/000-default.conf
+  - sudo service apache2 restart
+  - curl -i http://localhost/egroupware/groupdav.php/
   - php -m
   - php -i
   - php install-cli.php --ignore-platform-reqs

api/src/loader/common.php

@@ -367,7 +367,7 @@ function function_backtrace($remove=0)
 	return $_GET['menuaction'] ? $_GET['menuaction'] : str_replace(EGW_SERVER_ROOT,'',$_SERVER['SCRIPT_FILENAME']);
 }
 
-if (!function_exists('lang') || defined('NO_LANG'))	// setup declares an own version
+if (!function_exists('lang') && !defined('NO_LANG'))	// setup declares an own version
 {
 	/**
 	 * function to handle multilanguage support

composer.json

@@ -45,12 +45,12 @@
     ],
 	"config": {
 		"platform": {
-			"php": "7.0"
+			"php": "7.2"
 		},
 		"sort-packages": true
 	},
 	"require": {
-		"php": ">=7.0,<=8.0.0alpha1",
+		"php": ">=7.2,<=8.0.0alpha1",
 		"ext-gd": "*",
 		"ext-json": "*",
 		"ext-mysqli": "*",
@@ -101,6 +101,8 @@
 		"tinymce/tinymce": "^5.0"
 	},
 	"require-dev": {
+		"guzzlehttp/guzzle": "^6.5",
+		"phpunit/phpunit": "~8"
 	},
 	"suggests": {
 		"ext-opcache": "Opcode cache to speed up PHP",

doc/phpunit_bootstrap.php

@@ -12,6 +12,7 @@
  */
 
 // autoloader & check_load_extension
+define('NO_LANG', true);	// do NOT define lang(), as setup/inc/functions.inc.php also defines it
 require_once realpath(__DIR__.'/../api/src/loader/common.php');
 
 // backward compatibility with PHPunit 5.7

doc/travis-ci-apache.conf

@@ -0,0 +1,27 @@
+<VirtualHost *:80>
+  # https://docs.travis-ci.com/user/languages/php/#apache--php
+
+  DocumentRoot %TRAVIS_BUILD_DIR%
+
+  # tests assume EGroupware to be under /egroupware not docroot
+  Alias /egroupware %TRAVIS_BUILD_DIR%
+
+  <Directory "%TRAVIS_BUILD_DIR%/">
+    Options FollowSymLinks MultiViews ExecCGI
+    AllowOverride All
+    Require all granted
+  </Directory>
+
+  # Wire up Apache to use Travis CI's php-fpm.
+  <IfModule mod_fastcgi.c>
+    AddHandler php5-fcgi .php
+    Action php5-fcgi /php5-fcgi
+    Alias /php5-fcgi /usr/lib/cgi-bin/php5-fcgi
+    FastCgiExternalServer /usr/lib/cgi-bin/php5-fcgi -host 127.0.0.1:9000 -pass-header Authorization
+
+    <Directory /usr/lib/cgi-bin>
+        Require all granted
+    </Directory>
+  </IfModule>
+
+</VirtualHost>