6e9b4f0e9c
Per wikitech-l consensus: https://lists.wikimedia.org/pipermail/wikitech-l/2016-February/084821.html Notes: * Disabled CallTimePassByReference due to false positives (T127163) Change-Id: I2c8ce713ce6600a0bb7bf67537c87044c7a45c4b
108 lines
3 KiB
PHP
108 lines
3 KiB
PHP
<?php
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/**
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* @group BagOStuff
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*/
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class HashBagOStuffTest extends PHPUnit_Framework_TestCase {
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public function testDelete() {
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$cache = new HashBagOStuff();
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for ( $i = 0; $i < 10; $i++ ) {
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$cache->set( "key$i", 1 );
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$this->assertEquals( 1, $cache->get( "key$i" ) );
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$cache->delete( "key$i" );
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$this->assertEquals( false, $cache->get( "key$i" ) );
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}
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}
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public function testClear() {
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$cache = new HashBagOStuff();
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for ( $i = 0; $i < 10; $i++ ) {
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$cache->set( "key$i", 1 );
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$this->assertEquals( 1, $cache->get( "key$i" ) );
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}
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$cache->clear();
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for ( $i = 0; $i < 10; $i++ ) {
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$this->assertEquals( false, $cache->get( "key$i" ) );
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}
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}
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public function testExpire() {
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$cache = new HashBagOStuff();
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$cacheInternal = TestingAccessWrapper::newFromObject( $cache );
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$cache->set( 'foo', 1 );
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$cache->set( 'bar', 1, 10 );
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$cache->set( 'baz', 1, -10 );
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$this->assertEquals( 0, $cacheInternal->bag['foo'][$cache::KEY_EXP], 'Indefinite' );
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// 2 seconds tolerance
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$this->assertEquals( time() + 10, $cacheInternal->bag['bar'][$cache::KEY_EXP], 'Future', 2 );
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$this->assertEquals( time() - 10, $cacheInternal->bag['baz'][$cache::KEY_EXP], 'Past', 2 );
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$this->assertEquals( 1, $cache->get( 'bar' ), 'Key not expired' );
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$this->assertEquals( false, $cache->get( 'baz' ), 'Key expired' );
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}
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/**
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* Ensure maxKeys eviction prefers keeping new keys.
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*/
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public function testEvictionAdd() {
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$cache = new HashBagOStuff( [ 'maxKeys' => 10 ] );
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for ( $i = 0; $i < 10; $i++ ) {
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$cache->set( "key$i", 1 );
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$this->assertEquals( 1, $cache->get( "key$i" ) );
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}
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for ( $i = 10; $i < 20; $i++ ) {
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$cache->set( "key$i", 1 );
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$this->assertEquals( 1, $cache->get( "key$i" ) );
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$this->assertEquals( false, $cache->get( "key" . $i - 10 ) );
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}
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}
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/**
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* Ensure maxKeys eviction prefers recently set keys
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* even if the keys pre-exist.
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*/
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public function testEvictionSet() {
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$cache = new HashBagOStuff( [ 'maxKeys' => 3 ] );
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foreach ( [ 'foo', 'bar', 'baz' ] as $key ) {
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$cache->set( $key, 1 );
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}
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// Set existing key
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$cache->set( 'foo', 1 );
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// Add a 4th key (beyond the allowed maximum)
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$cache->set( 'quux', 1 );
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// Foo's life should have been extended over Bar
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foreach ( [ 'foo', 'baz', 'quux' ] as $key ) {
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$this->assertEquals( 1, $cache->get( $key ), "Kept $key" );
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}
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$this->assertEquals( false, $cache->get( 'bar' ), 'Evicted bar' );
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}
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/**
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* Ensure maxKeys eviction prefers recently retrieved keys (LRU).
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*/
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public function testEvictionGet() {
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$cache = new HashBagOStuff( [ 'maxKeys' => 3 ] );
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foreach ( [ 'foo', 'bar', 'baz' ] as $key ) {
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$cache->set( $key, 1 );
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}
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// Get existing key
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$cache->get( 'foo', 1 );
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// Add a 4th key (beyond the allowed maximum)
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$cache->set( 'quux', 1 );
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// Foo's life should have been extended over Bar
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foreach ( [ 'foo', 'baz', 'quux' ] as $key ) {
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$this->assertEquals( 1, $cache->get( $key ), "Kept $key" );
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}
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$this->assertEquals( false, $cache->get( 'bar' ), 'Evicted bar' );
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}
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}
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