includes/SeleniumWebSettings.php

   1 <?php
   2 /**
   3  * Dynamically change configuration variables based on the test suite name and a cookie value.
   4  *
   5  * For details on how to configure a wiki for a Selenium test, see:
   6  * http://www.mediawiki.org/wiki/SeleniumFramework#Test_Wiki_configuration
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License along
  19  * with this program; if not, write to the Free Software Foundation, Inc.,
  20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21  * http://www.gnu.org/copyleft/gpl.html
  22  *
  23  * @file
  24  */
  25
  26 if ( !defined( 'MEDIAWIKI' ) ) {
  27         die( 1 );
  28 }
  29
  30 require_once "$IP/includes/GlobalFunctions.php";
  31
  32 $fname = 'SeleniumWebSettings.php';
  33 wfProfileIn( $fname );
  34
  35 $cookiePrefix = $wgSitename . '-';
  36 $cookieName = $cookiePrefix . 'Selenium';
  37
  38 // this is a fallback SQL file
  39 $testSqlFile = false;
  40 $testImageZip = false;
  41
  42 // if we find a request parameter containing the test name, set a cookie with the test name
  43 if ( isset( $_GET['setupTestSuite'] ) ) {
  44         $setupTestSuiteName = $_GET['setupTestSuite'];
  45
  46         if (
  47                 preg_match( '/[^a-zA-Z0-9_-]/', $setupTestSuiteName ) ||
  48                 !isset( $wgSeleniumTestConfigs[$setupTestSuiteName] )
  49         )
  50         {
  51                 return;
  52         }
  53         if ( strlen( $setupTestSuiteName ) > 0 ) {
  54                 $expire = time() + 600;
  55                 setcookie(
  56                         $cookieName,
  57                         $setupTestSuiteName,
  58                         $expire,
  59                         $wgCookiePath,
  60                         $wgCookieDomain,
  61                         $wgCookieSecure,
  62                         true
  63                 );
  64         }
  65
  66         $testIncludes = array(); // array containing all the includes needed for this test
  67         $testGlobalConfigs = array(); // an array containing all the global configs needed for this test
  68         $testResourceFiles = array(); // an array containing all the resource files needed for this test
  69         $callback = $wgSeleniumTestConfigs[$setupTestSuiteName];
  70         call_user_func_array( $callback, array( &$testIncludes, &$testGlobalConfigs, &$testResourceFiles ) );
  71
  72         if ( isset( $testResourceFiles['images'] ) ) {
  73                 $testImageZip = $testResourceFiles['images'];
  74         }
  75
  76         if ( isset( $testResourceFiles['db'] ) ) {
  77                 $testSqlFile = $testResourceFiles['db'];
  78                 $testResourceName = getTestResourceNameFromTestSuiteName( $setupTestSuiteName );
  79
  80                 switchToTestResources( $testResourceName, false ); // false means do not switch database yet
  81                 setupTestResources( $testResourceName, $testSqlFile, $testImageZip );
  82         }
  83 }
  84
  85 // clear the cookie based on a request param
  86 if ( isset( $_GET['clearTestSuite'] ) ) {
  87         $testSuiteName = getTestSuiteNameFromCookie( $cookieName );
  88
  89         $expire = time() - 600;
  90         setcookie(
  91                 $cookieName,
  92                 '',
  93                 $expire,
  94                 $wgCookiePath,
  95                 $wgCookieDomain,
  96                 $wgCookieSecure,
  97                 true
  98         );
  99
 100         $testResourceName = getTestResourceNameFromTestSuiteName( $testSuiteName );
 101         teardownTestResources( $testResourceName );
 102 }
 103
 104 // if a cookie is found, run the appropriate callback to get the config params.
 105 if ( isset( $_COOKIE[$cookieName] ) ) {
 106         $testSuiteName = getTestSuiteNameFromCookie( $cookieName );
 107         if ( !isset( $wgSeleniumTestConfigs[$testSuiteName] ) ) {
 108                 return;
 109         }
 110
 111         $testIncludes = array(); // array containing all the includes needed for this test
 112         $testGlobalConfigs = array(); // an array containing all the global configs needed for this test
 113         $testResourceFiles = array(); // an array containing all the resource files needed for this test
 114         $callback = $wgSeleniumTestConfigs[$testSuiteName];
 115         call_user_func_array( $callback, array( &$testIncludes, &$testGlobalConfigs, &$testResourceFiles ) );
 116
 117         if ( isset( $testResourceFiles['db'] ) ) {
 118                 $testResourceName = getTestResourceNameFromTestSuiteName( $testSuiteName );
 119                 switchToTestResources( $testResourceName );
 120         }
 121         foreach ( $testIncludes as $includeFile ) {
 122                 $file = $IP . '/' . $includeFile;
 123                 require_once $file;
 124         }
 125         foreach ( $testGlobalConfigs as $key => $value ) {
 126                 if ( is_array( $value ) ) {
 127                         $GLOBALS[$key] = array_merge( $GLOBALS[$key], $value );
 128                 } else {
 129                         $GLOBALS[$key] = $value;
 130                 }
 131         }
 132 }
 133
 134 wfProfileOut( $fname );
 135
 136 function getTestSuiteNameFromCookie( $cookieName ) {
 137         $testSuiteName = null;
 138         if ( isset( $_COOKIE[$cookieName] ) ) {
 139                 $testSuiteName = $_COOKIE[$cookieName];
 140         }
 141         return $testSuiteName;
 142 }
 143
 144 function getTestResourceNameFromTestSuiteName( $testSuiteName ) {
 145         $testResourceName = null;
 146         if ( isset( $testSuiteName ) ) {
 147                 $testResourceName = $testSuiteName;
 148         }
 149         return $testResourceName;
 150 }
 151
 152 function getTestUploadPathFromResourceName( $testResourceName ) {
 153         global $IP;
 154         $testUploadPath = "$IP/images/$testResourceName";
 155         return $testUploadPath;
 156 }
 157
 158 function setupTestResources( $testResourceName, $testSqlFile, $testImageZip ) {
 159         global $wgDBname;
 160
 161         // Basic security. Do not allow to drop productive database.
 162         if ( $testResourceName == $wgDBname ) {
 163                 die( 'Cannot override productive database.' );
 164         }
 165         if ( $testResourceName == '' ) {
 166                 die( 'Cannot identify a test the resources should be installed for.' );
 167         }
 168
 169         // create tables
 170         $dbw = wfGetDB( DB_MASTER );
 171         $dbw->query( 'DROP DATABASE IF EXISTS ' . $testResourceName );
 172         $dbw->query( 'CREATE DATABASE ' . $testResourceName );
 173
 174         // do not set the new DB name before database is setup
 175         $wgDBname = $testResourceName;
 176         $dbw->selectDB( $testResourceName );
 177         // populate from SQL file
 178         if ( $testSqlFile ) {
 179                 $dbw->sourceFile( $testSqlFile );
 180         }
 181
 182         // create test image dir
 183         $testUploadPath = getTestUploadPathFromResourceName( $testResourceName );
 184         if ( !file_exists( $testUploadPath ) ) {
 185                 mkdir( $testUploadPath );
 186         }
 187
 188         if ( $testImageZip ) {
 189                 $zip = new ZipArchive();
 190                 $zip->open( $testImageZip );
 191                 $zip->extractTo( $testUploadPath );
 192                 $zip->close();
 193         }
 194 }
 195
 196 function teardownTestResources( $testResourceName ) {
 197         // remove test database
 198         $dbw = wfGetDB( DB_MASTER );
 199         $dbw->query( 'DROP DATABASE IF EXISTS ' . $testResourceName );
 200
 201         $testUploadPath = getTestUploadPathFromResourceName( $testResourceName );
 202         // remove test image dir
 203         if ( file_exists( $testUploadPath ) ) {
 204                 wfRecursiveRemoveDir( $testUploadPath );
 205         }
 206 }
 207
 208 function switchToTestResources( $testResourceName, $switchDB = true ) {
 209         global $wgDBuser, $wgDBpassword, $wgDBname;
 210         global $wgDBtestuser, $wgDBtestpassword;
 211         global $wgUploadPath;
 212
 213         if ( $switchDB ) {
 214                 $wgDBname = $testResourceName;
 215         }
 216         $wgDBuser = $wgDBtestuser;
 217         $wgDBpassword = $wgDBtestpassword;
 218
 219         $testUploadPath = getTestUploadPathFromResourceName( $testResourceName );
 220         $wgUploadPath = $testUploadPath;
 221 }