Add support for Selenium drivers other than Firefox.

build.xml

@@ -22,6 +22,7 @@
   <property name="phpunit_extra_params" value="" />
   <property name="composer_extra_params" value="" />
   <property name="mink_driver" value="selenium" />
+  <property name="selenium_browser" value="firefox" />
   <property name="snooze_multiplier" value="1" /><!-- can be used to slow down tests (selenium only) -->
   <property name="solr_startup_sleep" value="0" />
   <property name="php-cs-fixers" value="no_blank_lines_before_namespaces,function_call_space,trailing_spaces,unused_use,lowercase_keywords,encoding,parenthesis,php_closing_tag,visibility,duplicate_semicolon,extra_empty_lines,no_blank_lines_after_class_opening,no_empty_lines_after_phpdocs,operators_spaces,spaces_before_semicolon,ternary_spaces,concat_with_spaces,short_array_syntax,phpdoc_no_access,remove_leading_slash_use,eof_ending" />
@@ -128,12 +129,12 @@
 
   <!-- PHPUnit -->
   <target name="phpunit" description="Run tests">
-    <exec dir="${srcdir}/module/VuFind/tests" command="VUFIND_MINK_DRIVER=${mink_driver} VUFIND_SNOOZE_MULTIPLIER=${snooze_multiplier} VUFIND_LOCAL_DIR=${srcdir}/local VUFIND_URL=${vufindurl} ${srcdir}/vendor/bin/phpunit -dzend.enable_gc=0 --log-junit ${builddir}/reports/phpunit.xml --coverage-clover ${builddir}/reports/coverage/clover.xml --coverage-html ${builddir}/reports/coverage/ ${phpunit_extra_params}" passthru="true" checkreturn="true" />
+    <exec dir="${srcdir}/module/VuFind/tests" command="VUFIND_MINK_DRIVER=${mink_driver} VUFIND_SELENIUM_BROWSER=${selenium_browser} VUFIND_SNOOZE_MULTIPLIER=${snooze_multiplier} VUFIND_LOCAL_DIR=${srcdir}/local VUFIND_URL=${vufindurl} ${srcdir}/vendor/bin/phpunit -dzend.enable_gc=0 --log-junit ${builddir}/reports/phpunit.xml --coverage-clover ${builddir}/reports/coverage/clover.xml --coverage-html ${builddir}/reports/coverage/ ${phpunit_extra_params}" passthru="true" checkreturn="true" />
   </target>
 
   <!-- PHPUnit without logging output -->
   <target name="phpunitfast" description="Run tests">
-    <exec dir="${srcdir}/module/VuFind/tests" command="VUFIND_MINK_DRIVER=${mink_driver} VUFIND_SNOOZE_MULTIPLIER=${snooze_multiplier} VUFIND_LOCAL_DIR=${srcdir}/local VUFIND_URL=${vufindurl} ${srcdir}/vendor/bin/phpunit -dzend.enable_gc=0 ${phpunit_extra_params}" passthru="true" checkreturn="true" />
+    <exec dir="${srcdir}/module/VuFind/tests" command="VUFIND_MINK_DRIVER=${mink_driver} VUFIND_SELENIUM_BROWSER=${selenium_browser} VUFIND_SNOOZE_MULTIPLIER=${snooze_multiplier} VUFIND_LOCAL_DIR=${srcdir}/local VUFIND_URL=${vufindurl} ${srcdir}/vendor/bin/phpunit -dzend.enable_gc=0 ${phpunit_extra_params}" passthru="true" checkreturn="true" />
   </target>
 
   <target name="composer" description="Install dependencies with Composer">

module/VuFind/src/VuFindTest/Unit/MinkTestCase.php

@@ -150,7 +150,9 @@ abstract class MinkTestCase extends DbTestCase
      */
     protected function getMinkDriver()
     {
-        return new Selenium2Driver('firefox');
+        $env = getenv('VUFIND_SELENIUM_BROWSER');
+        $browser = $env ? $env : 'firefox';
+        return new Selenium2Driver($browser);
     }
 
     /**