tests/phpunit/includes/config/GlobalVarConfigTest.php

   1 <?php
   2
   3 class GlobalVarConfigTest extends MediaWikiTestCase {
   4
   5         /**
   6          * @covers GlobalVarConfig::newInstance
   7          */
   8         public function testNewInstance() {
   9                 $config = GlobalVarConfig::newInstance();
  10                 $this->assertInstanceOf( 'GlobalVarConfig', $config );
  11                 $this->maybeStashGlobal( 'wgBaz' );
  12                 $GLOBALS['wgBaz'] = 'somevalue';
  13                 // Check prefix is set to 'wg'
  14                 $this->assertEquals( 'somevalue', $config->get( 'Baz' ) );
  15         }
  16
  17         /**
  18          * @covers GlobalVarConfig::__construct
  19          * @dataProvider provideConstructor
  20          */
  21         public function testConstructor( $prefix ) {
  22                 $var = $prefix . 'GlobalVarConfigTest';
  23                 $rand = wfRandomString();
  24                 $this->maybeStashGlobal( $var );
  25                 $GLOBALS[$var] = $rand;
  26                 $config = new GlobalVarConfig( $prefix );
  27                 $this->assertInstanceOf( 'GlobalVarConfig', $config );
  28                 $this->assertEquals( $rand, $config->get( 'GlobalVarConfigTest' ) );
  29         }
  30
  31         public static function provideConstructor() {
  32                 return array(
  33                         array( 'wg' ),
  34                         array( 'ef' ),
  35                         array( 'smw' ),
  36                         array( 'blahblahblahblah' ),
  37                         array( '' ),
  38                 );
  39         }
  40
  41         public function provideGet() {
  42                 $set = array(
  43                         'wgSomething' => 'default1',
  44                         'wgFoo' => 'default2',
  45                         'efVariable' => 'default3',
  46                         'BAR' => 'default4',
  47                 );
  48
  49                 foreach ( $set as $var => $value ) {
  50                         $GLOBALS[$var] = $value;
  51                 }
  52
  53                 return array(
  54                         array( 'Something', 'wg', 'default1' ),
  55                         array( 'Foo', 'wg', 'default2' ),
  56                         array( 'Variable', 'ef', 'default3' ),
  57                         array( 'BAR', '', 'default4' ),
  58                         array( 'ThisGlobalWasNotSetAbove', 'wg', false )
  59                 );
  60         }
  61
  62         /**
  63          * @param string $name
  64          * @param string $prefix
  65          * @param string $expected
  66          * @dataProvider provideGet
  67          * @covers GlobalVarConfig::get
  68          * @covers GlobalVarConfig::getWithPrefix
  69          */
  70         public function testGet( $name, $prefix, $expected ) {
  71                 $config = new GlobalVarConfig( $prefix );
  72                 if ( $expected === false ) {
  73                         $this->setExpectedException( 'ConfigException', 'GlobalVarConfig::getWithPrefix: undefined variable:' );
  74                 }
  75                 $this->assertEquals( $config->get( $name ), $expected );
  76         }
  77
  78         public static function provideSet() {
  79                 return array(
  80                         array( 'Foo', 'wg', 'wgFoo' ),
  81                         array( 'SomethingRandom', 'wg', 'wgSomethingRandom' ),
  82                         array( 'FromAnExtension', 'eg', 'egFromAnExtension' ),
  83                         array( 'NoPrefixHere', '', 'NoPrefixHere' ),
  84                 );
  85         }
  86
  87         private function maybeStashGlobal( $var ) {
  88                 if ( array_key_exists( $var, $GLOBALS ) ) {
  89                         // Will be reset after this test is over
  90                         $this->stashMwGlobals( $var );
  91                 }
  92         }
  93
  94         /**
  95          * @dataProvider provideSet
  96          * @covers GlobalVarConfig::set
  97          * @covers GlobalVarConfig::setWithPrefix
  98          */
  99         public function testSet( $name, $prefix, $var ) {
 100                 $this->maybeStashGlobal( $var );
 101                 $config = new GlobalVarConfig( $prefix );
 102                 $random = wfRandomString();
 103                 $config->set( $name, $random );
 104                 $this->assertArrayHasKey( $var, $GLOBALS );
 105                 $this->assertEquals( $random, $GLOBALS[$var] );
 106         }
 107 }