Add Travis CI

.travis.yml

@@ -0,0 +1,29 @@
+language: php
+
+sudo: false
+
+matrix:
+  fast_finish: true
+  include:
+    - php: 5.4
+    - php: 5.5
+    - php: 5.6
+    - php: 7.0
+    - php: 7.1
+      env: CODE_COVERAGE=1
+    - php: 7.2
+
+cache:
+  directories:
+    - $HOME/.composer
+
+install:
+  - if [ "$CODE_COVERAGE" != 1 ]; then phpenv config-rm xdebug.ini || true; fi
+  - cp composer.json-dist composer.json
+  - composer install --prefer-dist
+
+script:
+  - if [ "$CODE_COVERAGE" = 1 ]; then CODE_COVERAGE_ARGS="--coverage-text"; fi; vendor/bin/phpunit -c tests/phpunit.xml $CODE_COVERAGE_ARGS
+
+notifications:
+  email: false

README.md

@@ -1,7 +1,8 @@
 Roundcube Webmail 
 =================
-[roundcube.net](http://roundcube.net)
+[roundcube.net](https://roundcube.net)
 
+[![Build Status](https://travis-ci.org/roundcube/roundcubemail.svg?branch=travis)](https://travis-ci.org/roundcube/roundcubemail)
 
 ATTENTION
 ---------
@@ -95,7 +96,7 @@ hello(at)roundcube(dot)net
 [washtml]:      http://www.ubixis.com/washtml/
 [kmgerich]:     http://kmgerich.com/
 [gpl]:          http://www.gnu.org/licenses/
-[license]:      http://roundcube.net/license
-[contrib]:      http://roundcube.net/contribute
-[support]:      http://roundcube.net/support
+[license]:      https://roundcube.net/license
+[contrib]:      https://roundcube.net/contribute
+[support]:      https://roundcube.net/support
 [githubissues]: https://github.com/roundcube/roundcubemail/issues

composer.json-dist

@@ -22,7 +22,7 @@
         "endroid/qrcode": "~1.6.5"
     },
     "require-dev": {
-        "phpunit/phpunit": "~5.7.15"
+        "phpunit/phpunit": "^4.8.36 || ^5.7.21"
     },
     "suggest": {
         "pear/net_ldap2": "~2.2.0 required for connecting to LDAP",

tests/phpunit.xml

@@ -91,4 +91,9 @@
             <file>./../plugins/zipdownload/tests/Zipdownload.php</file>
         </testsuite>
     </testsuites>
+    <filter>
+        <whitelist>
+            <directory suffix=".php">../program/lib</directory>
+        </whitelist>
+    </filter>
 </phpunit>