tests/phpunit/includes/resourceloader/MessageBlobStoreTest.php

   1 <?php
   2
   3 /**
   4  * @group Cache
   5  * @covers MessageBlobStore
   6  */
   7 class MessageBlobStoreTest extends PHPUnit_Framework_TestCase {
   8
   9         protected function setUp() {
  10                 parent::setUp();
  11                 // MediaWiki tests defaults $wgMainWANCache to CACHE_NONE.
  12                 // Use hash instead so that caching is observed
  13                 $this->wanCache = $this->getMockBuilder( 'WANObjectCache' )
  14                         ->setConstructorArgs( array( array(
  15                                 'cache' => new HashBagOStuff(),
  16                                 'pool' => 'test',
  17                                 'relayer' => new EventRelayerNull( array() )
  18                         ) ) )
  19                         ->setMethods( array( 'makePurgeValue' ) )
  20                         ->getMock();
  21
  22                 $this->wanCache->expects( $this->any() )
  23                         ->method( 'makePurgeValue' )
  24                         ->will( $this->returnCallback( function ( $timestamp, $holdoff ) {
  25                                 // Disable holdoff as it messes with testing
  26                                 return WANObjectCache::PURGE_VAL_PREFIX . (float)$timestamp . ':0';
  27                         } ) );
  28         }
  29
  30         protected function makeBlobStore( $methods = null, $rl = null ) {
  31                 $blobStore = $this->getMockBuilder( 'MessageBlobStore' )
  32                         ->setConstructorArgs( array( $rl ) )
  33                         ->setMethods( $methods )
  34                         ->getMock();
  35
  36                 $access = TestingAccessWrapper::newFromObject( $blobStore );
  37                 $access->wanCache = $this->wanCache;
  38                 return $blobStore;
  39         }
  40
  41         protected function makeModule( array $messages ) {
  42                 $module = new ResourceLoaderTestModule( array( 'messages' => $messages ) );
  43                 $module->setName( 'test.blobstore' );
  44                 return $module;
  45         }
  46
  47         public function testGetBlob() {
  48                 $module = $this->makeModule( array( 'foo' ) );
  49                 $rl = new ResourceLoader();
  50                 $rl->register( $module->getName(), $module );
  51
  52                 $blobStore = $this->makeBlobStore( array( 'fetchMessage' ), $rl );
  53                 $blobStore->expects( $this->once() )
  54                         ->method( 'fetchMessage' )
  55                         ->will( $this->returnValue( 'Example' ) );
  56
  57                 $blob = $blobStore->getBlob( $module, 'en' );
  58
  59                 $this->assertEquals( '{"foo":"Example"}', $blob, 'Generated blob' );
  60         }
  61
  62         public function testGetBlobCached() {
  63                 $module = $this->makeModule( array( 'example' ) );
  64                 $rl = new ResourceLoader();
  65                 $rl->register( $module->getName(), $module );
  66
  67                 $blobStore = $this->makeBlobStore( array( 'fetchMessage' ), $rl );
  68                 $blobStore->expects( $this->once() )
  69                         ->method( 'fetchMessage' )
  70                         ->will( $this->returnValue( 'First' ) );
  71
  72                 $module = $this->makeModule( array( 'example' ) );
  73                 $blob = $blobStore->getBlob( $module, 'en' );
  74                 $this->assertEquals( '{"example":"First"}', $blob, 'Generated blob' );
  75
  76                 $blobStore = $this->makeBlobStore( array( 'fetchMessage' ), $rl );
  77                 $blobStore->expects( $this->never() )
  78                         ->method( 'fetchMessage' )
  79                         ->will( $this->returnValue( 'Second' ) );
  80
  81                 $module = $this->makeModule( array( 'example' ) );
  82                 $blob = $blobStore->getBlob( $module, 'en' );
  83                 $this->assertEquals( '{"example":"First"}', $blob, 'Cache hit' );
  84         }
  85
  86         public function testUpdateMessage() {
  87                 $module = $this->makeModule( array( 'example' ) );
  88                 $rl = new ResourceLoader();
  89                 $rl->register( $module->getName(), $module );
  90                 $blobStore = $this->makeBlobStore( array( 'fetchMessage' ), $rl );
  91                 $blobStore->expects( $this->once() )
  92                         ->method( 'fetchMessage' )
  93                         ->will( $this->returnValue( 'First' ) );
  94
  95                 $blob = $blobStore->getBlob( $module, 'en' );
  96                 $this->assertEquals( '{"example":"First"}', $blob, 'Generated blob' );
  97
  98                 $blobStore->updateMessage( 'example' );
  99
 100                 $module = $this->makeModule( array( 'example' ) );
 101                 $rl = new ResourceLoader();
 102                 $rl->register( $module->getName(), $module );
 103                 $blobStore = $this->makeBlobStore( array( 'fetchMessage' ), $rl );
 104                 $blobStore->expects( $this->once() )
 105                         ->method( 'fetchMessage' )
 106                         ->will( $this->returnValue( 'Second' ) );
 107
 108                 $blob = $blobStore->getBlob( $module, 'en' );
 109                 $this->assertEquals( '{"example":"Second"}', $blob, 'Updated blob' );
 110         }
 111
 112         public function testValidation() {
 113                 $module = $this->makeModule( array( 'foo' ) );
 114                 $rl = new ResourceLoader();
 115                 $rl->register( $module->getName(), $module );
 116
 117                 $blobStore = $this->makeBlobStore( array( 'fetchMessage' ), $rl );
 118                 $blobStore->expects( $this->once() )
 119                         ->method( 'fetchMessage' )
 120                         ->will( $this->returnValueMap( array(
 121                                 array( 'foo', 'en', 'Hello' ),
 122                         ) ) );
 123
 124                 $blob = $blobStore->getBlob( $module, 'en' );
 125                 $this->assertEquals( '{"foo":"Hello"}', $blob, 'Generated blob' );
 126
 127                 // Now, imagine a change to the module is deployed. The module now contains
 128                 // message 'foo' and 'bar'. While updateMessage() was not called (since no
 129                 // message values were changed) it should detect the change in list of
 130                 // message keys.
 131                 $module = $this->makeModule( array( 'foo', 'bar' ) );
 132                 $rl = new ResourceLoader();
 133                 $rl->register( $module->getName(), $module );
 134
 135                 $blobStore = $this->makeBlobStore( array( 'fetchMessage' ), $rl );
 136                 $blobStore->expects( $this->exactly( 2 ) )
 137                         ->method( 'fetchMessage' )
 138                         ->will( $this->returnValueMap( array(
 139                                 array( 'foo', 'en', 'Hello' ),
 140                                 array( 'bar', 'en', 'World' ),
 141                         ) ) );
 142
 143                 $blob = $blobStore->getBlob( $module, 'en' );
 144                 $this->assertEquals( '{"foo":"Hello","bar":"World"}', $blob, 'Updated blob' );
 145         }
 146
 147         public function testClear() {
 148                 $module = $this->makeModule( array( 'example' ) );
 149                 $rl = new ResourceLoader();
 150                 $rl->register( $module->getName(), $module );
 151                 $blobStore = $this->makeBlobStore( array( 'fetchMessage' ), $rl );
 152                 $blobStore->expects( $this->exactly( 2 ) )
 153                         ->method( 'fetchMessage' )
 154                         ->will( $this->onConsecutiveCalls( 'First', 'Second' ) );
 155
 156                 $blob = $blobStore->getBlob( $module, 'en' );
 157                 $this->assertEquals( '{"example":"First"}', $blob, 'Generated blob' );
 158
 159                 $blob = $blobStore->getBlob( $module, 'en' );
 160                 $this->assertEquals( '{"example":"First"}', $blob, 'Cache-hit' );
 161
 162                 $blobStore->clear();
 163
 164                 $blob = $blobStore->getBlob( $module, 'en' );
 165                 $this->assertEquals( '{"example":"Second"}', $blob, 'Updated blob' );
 166         }
 167 }