438 lines
15 KiB
Plaintext
438 lines
15 KiB
Plaintext
<?php
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class CacheTestCase extends DrupalWebTestCase {
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protected $default_bin = 'cache';
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protected $default_cid = 'test_temporary';
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protected $default_value = 'CacheTest';
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/**
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* Check whether or not a cache entry exists.
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*
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* @param $cid
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* The cache id.
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* @param $var
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* The variable the cache should contain.
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* @param $bin
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* The bin the cache item was stored in.
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* @return
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* TRUE on pass, FALSE on fail.
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*/
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protected function checkCacheExists($cid, $var, $bin = NULL) {
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if ($bin == NULL) {
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$bin = $this->default_bin;
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}
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$cache = cache_get($cid, $bin);
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return isset($cache->data) && $cache->data == $var;
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}
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/**
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* Assert or a cache entry exists.
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*
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* @param $message
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* Message to display.
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* @param $var
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* The variable the cache should contain.
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* @param $cid
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* The cache id.
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* @param $bin
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* The bin the cache item was stored in.
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*/
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protected function assertCacheExists($message, $var = NULL, $cid = NULL, $bin = NULL) {
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if ($bin == NULL) {
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$bin = $this->default_bin;
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}
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if ($cid == NULL) {
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$cid = $this->default_cid;
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}
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if ($var == NULL) {
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$var = $this->default_value;
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}
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$this->assertTrue($this->checkCacheExists($cid, $var, $bin), $message);
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}
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/**
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* Assert or a cache entry has been removed.
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*
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* @param $message
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* Message to display.
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* @param $cid
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* The cache id.
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* @param $bin
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* The bin the cache item was stored in.
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*/
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function assertCacheRemoved($message, $cid = NULL, $bin = NULL) {
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if ($bin == NULL) {
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$bin = $this->default_bin;
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}
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if ($cid == NULL) {
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$cid = $this->default_cid;
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}
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$cache = cache_get($cid, $bin);
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$this->assertFalse($cache, $message);
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}
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/**
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* Perform the general wipe.
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* @param $bin
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* The bin to perform the wipe on.
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*/
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protected function generalWipe($bin = NULL) {
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if ($bin == NULL) {
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$bin = $this->default_bin;
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}
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cache_clear_all(NULL, $bin);
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}
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/**
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* Setup the lifetime settings for caching.
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*
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* @param $time
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* The time in seconds the cache should minimal live.
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*/
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protected function setupLifetime($time) {
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variable_set('cache_lifetime', $time);
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variable_set('cache_flush', 0);
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}
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}
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class CacheSavingCase extends CacheTestCase {
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public static function getInfo() {
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return array(
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'name' => 'Cache saving test',
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'description' => 'Check our variables are saved and restored the right way.',
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'group' => 'Cache'
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);
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}
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/**
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* Test the saving and restoring of a string.
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*/
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function testString() {
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$this->checkVariable($this->randomName(100));
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}
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/**
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* Test the saving and restoring of an integer.
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*/
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function testInteger() {
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$this->checkVariable(100);
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}
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/**
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* Test the saving and restoring of a double.
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*/
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function testDouble() {
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$this->checkVariable(1.29);
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}
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/**
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* Test the saving and restoring of an array.
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*/
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function testArray() {
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$this->checkVariable(array('drupal1', 'drupal2' => 'drupal3', 'drupal4' => array('drupal5', 'drupal6')));
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}
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/**
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* Test the saving and restoring of an object.
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*/
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function testObject() {
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$test_object = new stdClass();
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$test_object->test1 = $this->randomName(100);
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$test_object->test2 = 100;
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$test_object->test3 = array('drupal1', 'drupal2' => 'drupal3', 'drupal4' => array('drupal5', 'drupal6'));
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cache_set('test_object', $test_object, 'cache');
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$cache = cache_get('test_object', 'cache');
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$this->assertTrue(isset($cache->data) && $cache->data == $test_object, 'Object is saved and restored properly.');
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}
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/**
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* Check or a variable is stored and restored properly.
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*/
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function checkVariable($var) {
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cache_set('test_var', $var, 'cache');
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$cache = cache_get('test_var', 'cache');
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$this->assertTrue(isset($cache->data) && $cache->data === $var, format_string('@type is saved and restored properly.', array('@type' => ucfirst(gettype($var)))));
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}
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/**
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* Test no empty cids are written in cache table.
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*/
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function testNoEmptyCids() {
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$this->drupalGet('user/register');
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$this->assertFalse(cache_get(''), 'No cache entry is written with an empty cid.');
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}
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}
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/**
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* Test cache_get_multiple().
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*/
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class CacheGetMultipleUnitTest extends CacheTestCase {
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public static function getInfo() {
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return array(
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'name' => 'Fetching multiple cache items',
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'description' => 'Confirm that multiple records are fetched correctly.',
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'group' => 'Cache',
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);
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}
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function setUp() {
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$this->default_bin = 'cache_page';
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parent::setUp();
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}
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/**
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* Test cache_get_multiple().
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*/
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function testCacheMultiple() {
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$item1 = $this->randomName(10);
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$item2 = $this->randomName(10);
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cache_set('item1', $item1, $this->default_bin);
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cache_set('item2', $item2, $this->default_bin);
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$this->assertTrue($this->checkCacheExists('item1', $item1), 'Item 1 is cached.');
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$this->assertTrue($this->checkCacheExists('item2', $item2), 'Item 2 is cached.');
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// Fetch both records from the database with cache_get_multiple().
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$item_ids = array('item1', 'item2');
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$items = cache_get_multiple($item_ids, $this->default_bin);
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$this->assertEqual($items['item1']->data, $item1, 'Item was returned from cache successfully.');
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$this->assertEqual($items['item2']->data, $item2, 'Item was returned from cache successfully.');
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// Remove one item from the cache.
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cache_clear_all('item2', $this->default_bin);
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// Confirm that only one item is returned by cache_get_multiple().
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$item_ids = array('item1', 'item2');
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$items = cache_get_multiple($item_ids, $this->default_bin);
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$this->assertEqual($items['item1']->data, $item1, 'Item was returned from cache successfully.');
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$this->assertFalse(isset($items['item2']), 'Item was not returned from the cache.');
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$this->assertTrue(count($items) == 1, 'Only valid cache entries returned.');
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}
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}
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/**
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* Test cache clearing methods.
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*/
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class CacheClearCase extends CacheTestCase {
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public static function getInfo() {
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return array(
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'name' => 'Cache clear test',
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'description' => 'Check our clearing is done the proper way.',
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'group' => 'Cache'
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);
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}
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function setUp() {
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$this->default_bin = 'cache_page';
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$this->default_value = $this->randomName(10);
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parent::setUp();
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}
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/**
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* Test clearing using a cid.
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*/
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function testClearCid() {
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cache_set('test_cid_clear', $this->default_value, $this->default_bin);
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$this->assertCacheExists(t('Cache was set for clearing cid.'), $this->default_value, 'test_cid_clear');
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cache_clear_all('test_cid_clear', $this->default_bin);
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$this->assertCacheRemoved(t('Cache was removed after clearing cid.'), 'test_cid_clear');
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cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
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cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
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$this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
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&& $this->checkCacheExists('test_cid_clear2', $this->default_value),
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'Two caches were created for checking cid "*" with wildcard false.');
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cache_clear_all('*', $this->default_bin);
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$this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
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&& $this->checkCacheExists('test_cid_clear2', $this->default_value),
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'Two caches still exists after clearing cid "*" with wildcard false.');
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}
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/**
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* Test clearing using wildcard.
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*/
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function testClearWildcard() {
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cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
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cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
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$this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
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&& $this->checkCacheExists('test_cid_clear2', $this->default_value),
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'Two caches were created for checking cid "*" with wildcard true.');
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cache_clear_all('*', $this->default_bin, TRUE);
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$this->assertFalse($this->checkCacheExists('test_cid_clear1', $this->default_value)
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|| $this->checkCacheExists('test_cid_clear2', $this->default_value),
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'Two caches removed after clearing cid "*" with wildcard true.');
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cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
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cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
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$this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
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&& $this->checkCacheExists('test_cid_clear2', $this->default_value),
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'Two caches were created for checking cid substring with wildcard true.');
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cache_clear_all('test_', $this->default_bin, TRUE);
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$this->assertFalse($this->checkCacheExists('test_cid_clear1', $this->default_value)
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|| $this->checkCacheExists('test_cid_clear2', $this->default_value),
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'Two caches removed after clearing cid substring with wildcard true.');
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}
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/**
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* Test clearing using an array.
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*/
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function testClearArray() {
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// Create three cache entries.
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cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
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cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
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cache_set('test_cid_clear3', $this->default_value, $this->default_bin);
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$this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
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&& $this->checkCacheExists('test_cid_clear2', $this->default_value)
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&& $this->checkCacheExists('test_cid_clear3', $this->default_value),
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'Three cache entries were created.');
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// Clear two entries using an array.
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cache_clear_all(array('test_cid_clear1', 'test_cid_clear2'), $this->default_bin);
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$this->assertFalse($this->checkCacheExists('test_cid_clear1', $this->default_value)
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|| $this->checkCacheExists('test_cid_clear2', $this->default_value),
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'Two cache entries removed after clearing with an array.');
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$this->assertTrue($this->checkCacheExists('test_cid_clear3', $this->default_value),
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'Entry was not cleared from the cache');
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// Set the cache clear threshold to 2 to confirm that the full bin is cleared
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// when the threshold is exceeded.
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variable_set('cache_clear_threshold', 2);
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cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
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cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
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$this->assertTrue($this->checkCacheExists('test_cid_clear1', $this->default_value)
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&& $this->checkCacheExists('test_cid_clear2', $this->default_value),
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'Two cache entries were created.');
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cache_clear_all(array('test_cid_clear1', 'test_cid_clear2', 'test_cid_clear3'), $this->default_bin);
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$this->assertFalse($this->checkCacheExists('test_cid_clear1', $this->default_value)
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|| $this->checkCacheExists('test_cid_clear2', $this->default_value)
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|| $this->checkCacheExists('test_cid_clear3', $this->default_value),
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'All cache entries removed when the array exceeded the cache clear threshold.');
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}
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/**
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* Test drupal_flush_all_caches().
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*/
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function testFlushAllCaches() {
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// Create cache entries for each flushed cache bin.
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$bins = array('cache', 'cache_filter', 'cache_page', 'cache_boostrap', 'cache_path');
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$bins = array_merge(module_invoke_all('flush_caches'), $bins);
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foreach ($bins as $id => $bin) {
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$id = 'test_cid_clear' . $id;
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cache_set($id, $this->default_value, $bin);
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}
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// Remove all caches then make sure that they are cleared.
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drupal_flush_all_caches();
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foreach ($bins as $id => $bin) {
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$id = 'test_cid_clear' . $id;
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$this->assertFalse($this->checkCacheExists($id, $this->default_value, $bin), format_string('All cache entries removed from @bin.', array('@bin' => $bin)));
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}
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}
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/**
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* Test DrupalDatabaseCache::isValidBin().
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*/
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function testIsValidBin() {
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// Retrieve existing cache bins.
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$valid_bins = array('cache', 'cache_filter', 'cache_page', 'cache_boostrap', 'cache_path');
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$valid_bins = array_merge(module_invoke_all('flush_caches'), $valid_bins);
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foreach ($valid_bins as $id => $bin) {
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$cache = _cache_get_object($bin);
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if ($cache instanceof DrupalDatabaseCache) {
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$this->assertTrue($cache->isValidBin(), format_string('Cache bin @bin is valid.', array('@bin' => $bin)));
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}
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}
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// Check for non-cache tables and invalid bins.
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$invalid_bins = array('block', 'filter', 'missing_table', $this->randomName());
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foreach ($invalid_bins as $id => $bin) {
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$cache = _cache_get_object($bin);
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if ($cache instanceof DrupalDatabaseCache) {
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$this->assertFalse($cache->isValidBin(), format_string('Cache bin @bin is not valid.', array('@bin' => $bin)));
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}
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}
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}
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/**
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* Test minimum cache lifetime.
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*/
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function testMinimumCacheLifetime() {
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// Set a minimum/maximum cache lifetime.
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$this->setupLifetime(300);
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// Login as a newly-created user.
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$account = $this->drupalCreateUser(array());
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$this->drupalLogin($account);
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// Set two cache objects in different bins.
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$data = $this->randomName(100);
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cache_set($data, $data, 'cache', CACHE_TEMPORARY);
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$cached = cache_get($data);
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$this->assertTrue(isset($cached->data) && $cached->data === $data, 'Cached item retrieved.');
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cache_set($data, $data, 'cache_page', CACHE_TEMPORARY);
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// Expire temporary items in the 'page' bin.
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cache_clear_all(NULL, 'cache_page');
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// Since the database cache uses REQUEST_TIME, set the $_SESSION variable
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// manually to force it to the current time.
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$_SESSION['cache_expiration']['cache_page'] = time();
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// Items in the default cache bin should not be expired.
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$cached = cache_get($data);
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$this->assertTrue(isset($cached->data) && $cached->data == $data, 'Cached item retrieved');
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// Despite the minimum cache lifetime, the item in the 'page' bin should
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// be invalidated for the current user.
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$cached = cache_get($data, 'cache_page');
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$this->assertFalse($cached, 'Cached item was invalidated');
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}
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}
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/**
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* Test cache_is_empty() function.
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*/
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class CacheIsEmptyCase extends CacheTestCase {
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public static function getInfo() {
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return array(
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'name' => 'Cache emptiness test',
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'description' => 'Check if a cache bin is empty after performing clear operations.',
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'group' => 'Cache'
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);
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}
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function setUp() {
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$this->default_bin = 'cache_page';
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$this->default_value = $this->randomName(10);
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parent::setUp();
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}
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/**
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* Test clearing using a cid.
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*/
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function testIsEmpty() {
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// Clear the cache bin.
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cache_clear_all('*', $this->default_bin);
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$this->assertTrue(cache_is_empty($this->default_bin), 'The cache bin is empty');
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// Add some data to the cache bin.
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cache_set($this->default_cid, $this->default_value, $this->default_bin);
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$this->assertCacheExists(t('Cache was set.'), $this->default_value, $this->default_cid);
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$this->assertFalse(cache_is_empty($this->default_bin), 'The cache bin is not empty');
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// Remove the cached data.
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cache_clear_all($this->default_cid, $this->default_bin);
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$this->assertCacheRemoved(t('Cache was removed.'), $this->default_cid);
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$this->assertTrue(cache_is_empty($this->default_bin), 'The cache bin is empty');
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}
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}
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