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         /**
  42          * @covers GlobalVarConfig::has
  43          */
  44         public function testHas() {
  45                 $this->maybeStashGlobal( 'wgGlobalVarConfigTestHas' );
  46                 $GLOBALS['wgGlobalVarConfigTestHas'] = wfRandomString();
  47                 $this->maybeStashGlobal( 'wgGlobalVarConfigTestNotHas' );
  48                 $config = new GlobalVarConfig();
  49                 $this->assertTrue( $config->has( 'GlobalVarConfigTestHas' ) );
  50                 $this->assertFalse( $config->has( 'GlobalVarConfigTestNotHas' ) );
  51         }
  52
  53         public static function provideGet() {
  54                 $set = array(
  55                         'wgSomething' => 'default1',
  56                         'wgFoo' => 'default2',
  57                         'efVariable' => 'default3',
  58                         'BAR' => 'default4',
  59                 );
  60
  61                 foreach ( $set as $var => $value ) {
  62                         $GLOBALS[$var] = $value;
  63                 }
  64
  65                 return array(
  66                         array( 'Something', 'wg', 'default1' ),
  67                         array( 'Foo', 'wg', 'default2' ),
  68                         array( 'Variable', 'ef', 'default3' ),
  69                         array( 'BAR', '', 'default4' ),
  70                         array( 'ThisGlobalWasNotSetAbove', 'wg', false )
  71                 );
  72         }
  73
  74         /**
  75          * @param string $name
  76          * @param string $prefix
  77          * @param string $expected
  78          * @dataProvider provideGet
  79          * @covers GlobalVarConfig::get
  80          * @covers GlobalVarConfig::getWithPrefix
  81          */
  82         public function testGet( $name, $prefix, $expected ) {
  83                 $config = new GlobalVarConfig( $prefix );
  84                 if ( $expected === false ) {
  85                         $this->setExpectedException( 'ConfigException', 'GlobalVarConfig::get: undefined option:' );
  86                 }
  87                 $this->assertEquals( $config->get( $name ), $expected );
  88         }
  89
  90         public static function provideSet() {
  91                 return array(
  92                         array( 'Foo', 'wg', 'wgFoo' ),
  93                         array( 'SomethingRandom', 'wg', 'wgSomethingRandom' ),
  94                         array( 'FromAnExtension', 'eg', 'egFromAnExtension' ),
  95                         array( 'NoPrefixHere', '', 'NoPrefixHere' ),
  96                 );
  97         }
  98
  99         private function maybeStashGlobal( $var ) {
 100                 if ( array_key_exists( $var, $GLOBALS ) ) {
 101                         // Will be reset after this test is over
 102                         $this->stashMwGlobals( $var );
 103                 }
 104         }
 105
 106         /**
 107          * @dataProvider provideSet
 108          * @covers GlobalVarConfig::set
 109          * @covers GlobalVarConfig::setWithPrefix
 110          */
 111         public function testSet( $name, $prefix, $var ) {
 112                 $this->hideDeprecated( 'GlobalVarConfig::set' );
 113                 $this->maybeStashGlobal( $var );
 114                 $config = new GlobalVarConfig( $prefix );
 115                 $random = wfRandomString();
 116                 $config->set( $name, $random );
 117                 $this->assertArrayHasKey( $var, $GLOBALS );
 118                 $this->assertEquals( $random, $GLOBALS[$var] );
 119         }
 120 }