function CacheClearCase::testClearArray

Test clearing using an array.

File

drupal/modules/simpletest/tests/cache.test, line 288

Class

CacheClearCase

Test cache clearing methods.

Code

function testClearArray() {

  // Create three cache entries.
  cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
  cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
  cache_set('test_cid_clear3', $this->default_value, $this->default_bin);
  $this
    ->assertTrue($this
    ->checkCacheExists('test_cid_clear1', $this->default_value) && $this
    ->checkCacheExists('test_cid_clear2', $this->default_value) && $this
    ->checkCacheExists('test_cid_clear3', $this->default_value), 'Three cache entries were created.');

  // Clear two entries using an array.
  cache_clear_all(array(
    'test_cid_clear1',
    'test_cid_clear2',
  ), $this->default_bin);
  $this
    ->assertFalse($this
    ->checkCacheExists('test_cid_clear1', $this->default_value) || $this
    ->checkCacheExists('test_cid_clear2', $this->default_value), 'Two cache entries removed after clearing with an array.');
  $this
    ->assertTrue($this
    ->checkCacheExists('test_cid_clear3', $this->default_value), 'Entry was not cleared from the cache');

  // Set the cache clear threshold to 2 to confirm that the full bin is cleared
  // when the threshold is exceeded.
  variable_set('cache_clear_threshold', 2);
  cache_set('test_cid_clear1', $this->default_value, $this->default_bin);
  cache_set('test_cid_clear2', $this->default_value, $this->default_bin);
  $this
    ->assertTrue($this
    ->checkCacheExists('test_cid_clear1', $this->default_value) && $this
    ->checkCacheExists('test_cid_clear2', $this->default_value), 'Two cache entries were created.');
  cache_clear_all(array(
    'test_cid_clear1',
    'test_cid_clear2',
    'test_cid_clear3',
  ), $this->default_bin);
  $this
    ->assertFalse($this
    ->checkCacheExists('test_cid_clear1', $this->default_value) || $this
    ->checkCacheExists('test_cid_clear2', $this->default_value) || $this
    ->checkCacheExists('test_cid_clear3', $this->default_value), 'All cache entries removed when the array exceeded the cache clear threshold.');
}