--- /dev/null
+<?php
+
+namespace Drupal\system\Tests\Cache;
+
+use Drupal\Core\Cache\Cache;
+use Drupal\Core\Cache\CacheBackendInterface;
+use Drupal\simpletest\KernelTestBase;
+
+/**
+ * Tests any cache backend.
+ *
+ * Full generic unit test suite for any cache backend. In order to use it for a
+ * cache backend implementation, extend this class and override the
+ * createBackendInstance() method to return an object.
+ *
+ * @see DatabaseBackendUnitTestCase
+ * For a full working implementation.
+ *
+ * @deprecated as of Drupal 8.2.x, will be removed before Drupal 9.0.0. Use
+ * \Drupal\KernelTests\Core\Cache\GenericCacheBackendUnitTestBase instead.
+ */
+abstract class GenericCacheBackendUnitTestBase extends KernelTestBase {
+
+ /**
+ * Array of objects implementing Drupal\Core\Cache\CacheBackendInterface.
+ *
+ * @var array
+ */
+ protected $cachebackends;
+
+ /**
+ * Cache bin to use for testing.
+ *
+ * @var string
+ */
+ protected $testBin;
+
+ /**
+ * Random value to use in tests.
+ *
+ * @var string
+ */
+ protected $defaultValue;
+
+ /**
+ * Gets the testing bin.
+ *
+ * Override this method if you want to work on a different bin than the
+ * default one.
+ *
+ * @return string
+ * Bin name.
+ */
+ protected function getTestBin() {
+ if (!isset($this->testBin)) {
+ $this->testBin = 'page';
+ }
+ return $this->testBin;
+ }
+
+ /**
+ * Creates a cache backend to test.
+ *
+ * Override this method to test a CacheBackend.
+ *
+ * @param string $bin
+ * Bin name to use for this backend instance.
+ *
+ * @return \Drupal\Core\Cache\CacheBackendInterface
+ * Cache backend to test.
+ */
+ protected abstract function createCacheBackend($bin);
+
+ /**
+ * Allows specific implementation to change the environment before a test run.
+ */
+ public function setUpCacheBackend() {
+ }
+
+ /**
+ * Allows alteration of environment after a test run but before tear down.
+ *
+ * Used before the real tear down because the tear down will change things
+ * such as the database prefix.
+ */
+ public function tearDownCacheBackend() {
+ }
+
+ /**
+ * Gets a backend to test; this will get a shared instance set in the object.
+ *
+ * @return \Drupal\Core\Cache\CacheBackendInterface
+ * Cache backend to test.
+ */
+ protected function getCacheBackend($bin = NULL) {
+ if (!isset($bin)) {
+ $bin = $this->getTestBin();
+ }
+ if (!isset($this->cachebackends[$bin])) {
+ $this->cachebackends[$bin] = $this->createCacheBackend($bin);
+ // Ensure the backend is empty.
+ $this->cachebackends[$bin]->deleteAll();
+ }
+ return $this->cachebackends[$bin];
+ }
+
+ protected function setUp() {
+ $this->cachebackends = [];
+ $this->defaultValue = $this->randomMachineName(10);
+
+ parent::setUp();
+
+ $this->setUpCacheBackend();
+ }
+
+ protected function tearDown() {
+ // Destruct the registered backend, each test will get a fresh instance,
+ // properly emptying it here ensure that on persistent data backends they
+ // will come up empty the next test.
+ foreach ($this->cachebackends as $bin => $cachebackend) {
+ $this->cachebackends[$bin]->deleteAll();
+ }
+ unset($this->cachebackends);
+
+ $this->tearDownCacheBackend();
+
+ parent::tearDown();
+ }
+
+ /**
+ * Tests the get and set methods of Drupal\Core\Cache\CacheBackendInterface.
+ */
+ public function testSetGet() {
+ $backend = $this->getCacheBackend();
+
+ $this->assertIdentical(FALSE, $backend->get('test1'), "Backend does not contain data for cache id test1.");
+ $with_backslash = ['foo' => '\Drupal\foo\Bar'];
+ $backend->set('test1', $with_backslash);
+ $cached = $backend->get('test1');
+ $this->assert(is_object($cached), "Backend returned an object for cache id test1.");
+ $this->assertIdentical($with_backslash, $cached->data);
+ $this->assertTrue($cached->valid, 'Item is marked as valid.');
+ // We need to round because microtime may be rounded up in the backend.
+ $this->assertTrue($cached->created >= REQUEST_TIME && $cached->created <= round(microtime(TRUE), 3), 'Created time is correct.');
+ $this->assertEqual($cached->expire, Cache::PERMANENT, 'Expire time is correct.');
+
+ $this->assertIdentical(FALSE, $backend->get('test2'), "Backend does not contain data for cache id test2.");
+ $backend->set('test2', ['value' => 3], REQUEST_TIME + 3);
+ $cached = $backend->get('test2');
+ $this->assert(is_object($cached), "Backend returned an object for cache id test2.");
+ $this->assertIdentical(['value' => 3], $cached->data);
+ $this->assertTrue($cached->valid, 'Item is marked as valid.');
+ $this->assertTrue($cached->created >= REQUEST_TIME && $cached->created <= round(microtime(TRUE), 3), 'Created time is correct.');
+ $this->assertEqual($cached->expire, REQUEST_TIME + 3, 'Expire time is correct.');
+
+ $backend->set('test3', 'foobar', REQUEST_TIME - 3);
+ $this->assertFalse($backend->get('test3'), 'Invalid item not returned.');
+ $cached = $backend->get('test3', TRUE);
+ $this->assert(is_object($cached), 'Backend returned an object for cache id test3.');
+ $this->assertFalse($cached->valid, 'Item is marked as valid.');
+ $this->assertTrue($cached->created >= REQUEST_TIME && $cached->created <= round(microtime(TRUE), 3), 'Created time is correct.');
+ $this->assertEqual($cached->expire, REQUEST_TIME - 3, 'Expire time is correct.');
+
+ $this->assertIdentical(FALSE, $backend->get('test4'), "Backend does not contain data for cache id test4.");
+ $with_eof = ['foo' => "\nEOF\ndata"];
+ $backend->set('test4', $with_eof);
+ $cached = $backend->get('test4');
+ $this->assert(is_object($cached), "Backend returned an object for cache id test4.");
+ $this->assertIdentical($with_eof, $cached->data);
+ $this->assertTrue($cached->valid, 'Item is marked as valid.');
+ $this->assertTrue($cached->created >= REQUEST_TIME && $cached->created <= round(microtime(TRUE), 3), 'Created time is correct.');
+ $this->assertEqual($cached->expire, Cache::PERMANENT, 'Expire time is correct.');
+
+ $this->assertIdentical(FALSE, $backend->get('test5'), "Backend does not contain data for cache id test5.");
+ $with_eof_and_semicolon = ['foo' => "\nEOF;\ndata"];
+ $backend->set('test5', $with_eof_and_semicolon);
+ $cached = $backend->get('test5');
+ $this->assert(is_object($cached), "Backend returned an object for cache id test5.");
+ $this->assertIdentical($with_eof_and_semicolon, $cached->data);
+ $this->assertTrue($cached->valid, 'Item is marked as valid.');
+ $this->assertTrue($cached->created >= REQUEST_TIME && $cached->created <= round(microtime(TRUE), 3), 'Created time is correct.');
+ $this->assertEqual($cached->expire, Cache::PERMANENT, 'Expire time is correct.');
+
+ $with_variable = ['foo' => '$bar'];
+ $backend->set('test6', $with_variable);
+ $cached = $backend->get('test6');
+ $this->assert(is_object($cached), "Backend returned an object for cache id test6.");
+ $this->assertIdentical($with_variable, $cached->data);
+
+ // Make sure that a cached object is not affected by changing the original.
+ $data = new \stdClass();
+ $data->value = 1;
+ $data->obj = new \stdClass();
+ $data->obj->value = 2;
+ $backend->set('test7', $data);
+ $expected_data = clone $data;
+ // Add a property to the original. It should not appear in the cached data.
+ $data->this_should_not_be_in_the_cache = TRUE;
+ $cached = $backend->get('test7');
+ $this->assert(is_object($cached), "Backend returned an object for cache id test7.");
+ $this->assertEqual($expected_data, $cached->data);
+ $this->assertFalse(isset($cached->data->this_should_not_be_in_the_cache));
+ // Add a property to the cache data. It should not appear when we fetch
+ // the data from cache again.
+ $cached->data->this_should_not_be_in_the_cache = TRUE;
+ $fresh_cached = $backend->get('test7');
+ $this->assertFalse(isset($fresh_cached->data->this_should_not_be_in_the_cache));
+
+ // Check with a long key.
+ $cid = str_repeat('a', 300);
+ $backend->set($cid, 'test');
+ $this->assertEqual('test', $backend->get($cid)->data);
+
+ // Check that the cache key is case sensitive.
+ $backend->set('TEST8', 'value');
+ $this->assertEqual('value', $backend->get('TEST8')->data);
+ $this->assertFalse($backend->get('test8'));
+
+ // Calling ::set() with invalid cache tags. This should fail an assertion.
+ try {
+ $backend->set('assertion_test', 'value', Cache::PERMANENT, ['node' => [3, 5, 7]]);
+ $this->fail('::set() was called with invalid cache tags, runtime assertion did not fail.');
+ }
+ catch (\AssertionError $e) {
+ $this->pass('::set() was called with invalid cache tags, runtime assertion failed.');
+ }
+ }
+
+ /**
+ * Tests Drupal\Core\Cache\CacheBackendInterface::delete().
+ */
+ public function testDelete() {
+ $backend = $this->getCacheBackend();
+
+ $this->assertIdentical(FALSE, $backend->get('test1'), "Backend does not contain data for cache id test1.");
+ $backend->set('test1', 7);
+ $this->assert(is_object($backend->get('test1')), "Backend returned an object for cache id test1.");
+
+ $this->assertIdentical(FALSE, $backend->get('test2'), "Backend does not contain data for cache id test2.");
+ $backend->set('test2', 3);
+ $this->assert(is_object($backend->get('test2')), "Backend returned an object for cache id %cid.");
+
+ $backend->delete('test1');
+ $this->assertIdentical(FALSE, $backend->get('test1'), "Backend does not contain data for cache id test1 after deletion.");
+
+ $this->assert(is_object($backend->get('test2')), "Backend still has an object for cache id test2.");
+
+ $backend->delete('test2');
+ $this->assertIdentical(FALSE, $backend->get('test2'), "Backend does not contain data for cache id test2 after deletion.");
+
+ $long_cid = str_repeat('a', 300);
+ $backend->set($long_cid, 'test');
+ $backend->delete($long_cid);
+ $this->assertIdentical(FALSE, $backend->get($long_cid), "Backend does not contain data for long cache id after deletion.");
+ }
+
+ /**
+ * Tests data type preservation.
+ */
+ public function testValueTypeIsKept() {
+ $backend = $this->getCacheBackend();
+
+ $variables = [
+ 'test1' => 1,
+ 'test2' => '0',
+ 'test3' => '',
+ 'test4' => 12.64,
+ 'test5' => FALSE,
+ 'test6' => [1, 2, 3],
+ ];
+
+ // Create cache entries.
+ foreach ($variables as $cid => $data) {
+ $backend->set($cid, $data);
+ }
+
+ // Retrieve and test cache objects.
+ foreach ($variables as $cid => $value) {
+ $object = $backend->get($cid);
+ $this->assert(is_object($object), sprintf("Backend returned an object for cache id %s.", $cid));
+ $this->assertIdentical($value, $object->data, sprintf("Data of cached id %s kept is identical in type and value", $cid));
+ }
+ }
+
+ /**
+ * Tests Drupal\Core\Cache\CacheBackendInterface::getMultiple().
+ */
+ public function testGetMultiple() {
+ $backend = $this->getCacheBackend();
+
+ // Set numerous testing keys.
+ $long_cid = str_repeat('a', 300);
+ $backend->set('test1', 1);
+ $backend->set('test2', 3);
+ $backend->set('test3', 5);
+ $backend->set('test4', 7);
+ $backend->set('test5', 11);
+ $backend->set('test6', 13);
+ $backend->set('test7', 17);
+ $backend->set($long_cid, 300);
+
+ // Mismatch order for harder testing.
+ $reference = [
+ 'test3',
+ 'test7',
+ 'test21', // Cid does not exist.
+ 'test6',
+ 'test19', // Cid does not exist until added before second getMultiple().
+ 'test2',
+ ];
+
+ $cids = $reference;
+ $ret = $backend->getMultiple($cids);
+ // Test return - ensure it contains existing cache ids.
+ $this->assert(isset($ret['test2']), "Existing cache id test2 is set.");
+ $this->assert(isset($ret['test3']), "Existing cache id test3 is set.");
+ $this->assert(isset($ret['test6']), "Existing cache id test6 is set.");
+ $this->assert(isset($ret['test7']), "Existing cache id test7 is set.");
+ // Test return - ensure that objects has expected properties.
+ $this->assertTrue($ret['test2']->valid, 'Item is marked as valid.');
+ $this->assertTrue($ret['test2']->created >= REQUEST_TIME && $ret['test2']->created <= round(microtime(TRUE), 3), 'Created time is correct.');
+ $this->assertEqual($ret['test2']->expire, Cache::PERMANENT, 'Expire time is correct.');
+ // Test return - ensure it does not contain nonexistent cache ids.
+ $this->assertFalse(isset($ret['test19']), "Nonexistent cache id test19 is not set.");
+ $this->assertFalse(isset($ret['test21']), "Nonexistent cache id test21 is not set.");
+ // Test values.
+ $this->assertIdentical($ret['test2']->data, 3, "Existing cache id test2 has the correct value.");
+ $this->assertIdentical($ret['test3']->data, 5, "Existing cache id test3 has the correct value.");
+ $this->assertIdentical($ret['test6']->data, 13, "Existing cache id test6 has the correct value.");
+ $this->assertIdentical($ret['test7']->data, 17, "Existing cache id test7 has the correct value.");
+ // Test $cids array - ensure it contains cache id's that do not exist.
+ $this->assert(in_array('test19', $cids), "Nonexistent cache id test19 is in cids array.");
+ $this->assert(in_array('test21', $cids), "Nonexistent cache id test21 is in cids array.");
+ // Test $cids array - ensure it does not contain cache id's that exist.
+ $this->assertFalse(in_array('test2', $cids), "Existing cache id test2 is not in cids array.");
+ $this->assertFalse(in_array('test3', $cids), "Existing cache id test3 is not in cids array.");
+ $this->assertFalse(in_array('test6', $cids), "Existing cache id test6 is not in cids array.");
+ $this->assertFalse(in_array('test7', $cids), "Existing cache id test7 is not in cids array.");
+
+ // Test a second time after deleting and setting new keys which ensures that
+ // if the backend uses statics it does not cause unexpected results.
+ $backend->delete('test3');
+ $backend->delete('test6');
+ $backend->set('test19', 57);
+
+ $cids = $reference;
+ $ret = $backend->getMultiple($cids);
+ // Test return - ensure it contains existing cache ids.
+ $this->assert(isset($ret['test2']), "Existing cache id test2 is set");
+ $this->assert(isset($ret['test7']), "Existing cache id test7 is set");
+ $this->assert(isset($ret['test19']), "Added cache id test19 is set");
+ // Test return - ensure it does not contain nonexistent cache ids.
+ $this->assertFalse(isset($ret['test3']), "Deleted cache id test3 is not set");
+ $this->assertFalse(isset($ret['test6']), "Deleted cache id test6 is not set");
+ $this->assertFalse(isset($ret['test21']), "Nonexistent cache id test21 is not set");
+ // Test values.
+ $this->assertIdentical($ret['test2']->data, 3, "Existing cache id test2 has the correct value.");
+ $this->assertIdentical($ret['test7']->data, 17, "Existing cache id test7 has the correct value.");
+ $this->assertIdentical($ret['test19']->data, 57, "Added cache id test19 has the correct value.");
+ // Test $cids array - ensure it contains cache id's that do not exist.
+ $this->assert(in_array('test3', $cids), "Deleted cache id test3 is in cids array.");
+ $this->assert(in_array('test6', $cids), "Deleted cache id test6 is in cids array.");
+ $this->assert(in_array('test21', $cids), "Nonexistent cache id test21 is in cids array.");
+ // Test $cids array - ensure it does not contain cache id's that exist.
+ $this->assertFalse(in_array('test2', $cids), "Existing cache id test2 is not in cids array.");
+ $this->assertFalse(in_array('test7', $cids), "Existing cache id test7 is not in cids array.");
+ $this->assertFalse(in_array('test19', $cids), "Added cache id test19 is not in cids array.");
+
+ // Test with a long $cid and non-numeric array key.
+ $cids = ['key:key' => $long_cid];
+ $return = $backend->getMultiple($cids);
+ $this->assertEqual(300, $return[$long_cid]->data);
+ $this->assertTrue(empty($cids));
+ }
+
+ /**
+ * Tests \Drupal\Core\Cache\CacheBackendInterface::setMultiple().
+ */
+ public function testSetMultiple() {
+ $backend = $this->getCacheBackend();
+
+ $future_expiration = REQUEST_TIME + 100;
+
+ // Set multiple testing keys.
+ $backend->set('cid_1', 'Some other value');
+ $items = [
+ 'cid_1' => ['data' => 1],
+ 'cid_2' => ['data' => 2],
+ 'cid_3' => ['data' => [1, 2]],
+ 'cid_4' => ['data' => 1, 'expire' => $future_expiration],
+ 'cid_5' => ['data' => 1, 'tags' => ['test:a', 'test:b']],
+ ];
+ $backend->setMultiple($items);
+ $cids = array_keys($items);
+ $cached = $backend->getMultiple($cids);
+
+ $this->assertEqual($cached['cid_1']->data, $items['cid_1']['data'], 'Over-written cache item set correctly.');
+ $this->assertTrue($cached['cid_1']->valid, 'Item is marked as valid.');
+ $this->assertTrue($cached['cid_1']->created >= REQUEST_TIME && $cached['cid_1']->created <= round(microtime(TRUE), 3), 'Created time is correct.');
+ $this->assertEqual($cached['cid_1']->expire, CacheBackendInterface::CACHE_PERMANENT, 'Cache expiration defaults to permanent.');
+
+ $this->assertEqual($cached['cid_2']->data, $items['cid_2']['data'], 'New cache item set correctly.');
+ $this->assertEqual($cached['cid_2']->expire, CacheBackendInterface::CACHE_PERMANENT, 'Cache expiration defaults to permanent.');
+
+ $this->assertEqual($cached['cid_3']->data, $items['cid_3']['data'], 'New cache item with serialized data set correctly.');
+ $this->assertEqual($cached['cid_3']->expire, CacheBackendInterface::CACHE_PERMANENT, 'Cache expiration defaults to permanent.');
+
+ $this->assertEqual($cached['cid_4']->data, $items['cid_4']['data'], 'New cache item set correctly.');
+ $this->assertEqual($cached['cid_4']->expire, $future_expiration, 'Cache expiration has been correctly set.');
+
+ $this->assertEqual($cached['cid_5']->data, $items['cid_5']['data'], 'New cache item set correctly.');
+
+ // Calling ::setMultiple() with invalid cache tags. This should fail an
+ // assertion.
+ try {
+ $items = [
+ 'exception_test_1' => ['data' => 1, 'tags' => []],
+ 'exception_test_2' => ['data' => 2, 'tags' => ['valid']],
+ 'exception_test_3' => ['data' => 3, 'tags' => ['node' => [3, 5, 7]]],
+ ];
+ $backend->setMultiple($items);
+ $this->fail('::setMultiple() was called with invalid cache tags, runtime assertion did not fail.');
+ }
+ catch (\AssertionError $e) {
+ $this->pass('::setMultiple() was called with invalid cache tags, runtime assertion failed.');
+ }
+ }
+
+ /**
+ * Test Drupal\Core\Cache\CacheBackendInterface::delete() and
+ * Drupal\Core\Cache\CacheBackendInterface::deleteMultiple().
+ */
+ public function testDeleteMultiple() {
+ $backend = $this->getCacheBackend();
+
+ // Set numerous testing keys.
+ $backend->set('test1', 1);
+ $backend->set('test2', 3);
+ $backend->set('test3', 5);
+ $backend->set('test4', 7);
+ $backend->set('test5', 11);
+ $backend->set('test6', 13);
+ $backend->set('test7', 17);
+
+ $backend->delete('test1');
+ $backend->delete('test23'); // Nonexistent key should not cause an error.
+ $backend->deleteMultiple([
+ 'test3',
+ 'test5',
+ 'test7',
+ 'test19', // Nonexistent key should not cause an error.
+ 'test21', // Nonexistent key should not cause an error.
+ ]);
+
+ // Test if expected keys have been deleted.
+ $this->assertIdentical(FALSE, $backend->get('test1'), "Cache id test1 deleted.");
+ $this->assertIdentical(FALSE, $backend->get('test3'), "Cache id test3 deleted.");
+ $this->assertIdentical(FALSE, $backend->get('test5'), "Cache id test5 deleted.");
+ $this->assertIdentical(FALSE, $backend->get('test7'), "Cache id test7 deleted.");
+
+ // Test if expected keys exist.
+ $this->assertNotIdentical(FALSE, $backend->get('test2'), "Cache id test2 exists.");
+ $this->assertNotIdentical(FALSE, $backend->get('test4'), "Cache id test4 exists.");
+ $this->assertNotIdentical(FALSE, $backend->get('test6'), "Cache id test6 exists.");
+
+ // Test if that expected keys do not exist.
+ $this->assertIdentical(FALSE, $backend->get('test19'), "Cache id test19 does not exist.");
+ $this->assertIdentical(FALSE, $backend->get('test21'), "Cache id test21 does not exist.");
+
+ // Calling deleteMultiple() with an empty array should not cause an error.
+ $this->assertFalse($backend->deleteMultiple([]));
+ }
+
+ /**
+ * Test Drupal\Core\Cache\CacheBackendInterface::deleteAll().
+ */
+ public function testDeleteAll() {
+ $backend_a = $this->getCacheBackend();
+ $backend_b = $this->getCacheBackend('bootstrap');
+
+ // Set both expiring and permanent keys.
+ $backend_a->set('test1', 1, Cache::PERMANENT);
+ $backend_a->set('test2', 3, time() + 1000);
+ $backend_b->set('test3', 4, Cache::PERMANENT);
+
+ $backend_a->deleteAll();
+
+ $this->assertFalse($backend_a->get('test1'), 'First key has been deleted.');
+ $this->assertFalse($backend_a->get('test2'), 'Second key has been deleted.');
+ $this->assertTrue($backend_b->get('test3'), 'Item in other bin is preserved.');
+ }
+
+ /**
+ * Test Drupal\Core\Cache\CacheBackendInterface::invalidate() and
+ * Drupal\Core\Cache\CacheBackendInterface::invalidateMultiple().
+ */
+ public function testInvalidate() {
+ $backend = $this->getCacheBackend();
+ $backend->set('test1', 1);
+ $backend->set('test2', 2);
+ $backend->set('test3', 2);
+ $backend->set('test4', 2);
+
+ $reference = ['test1', 'test2', 'test3', 'test4'];
+
+ $cids = $reference;
+ $ret = $backend->getMultiple($cids);
+ $this->assertEqual(count($ret), 4, 'Four items returned.');
+
+ $backend->invalidate('test1');
+ $backend->invalidateMultiple(['test2', 'test3']);
+
+ $cids = $reference;
+ $ret = $backend->getMultiple($cids);
+ $this->assertEqual(count($ret), 1, 'Only one item element returned.');
+
+ $cids = $reference;
+ $ret = $backend->getMultiple($cids, TRUE);
+ $this->assertEqual(count($ret), 4, 'Four items returned.');
+
+ // Calling invalidateMultiple() with an empty array should not cause an
+ // error.
+ $this->assertFalse($backend->invalidateMultiple([]));
+ }
+
+ /**
+ * Tests Drupal\Core\Cache\CacheBackendInterface::invalidateTags().
+ */
+ public function testInvalidateTags() {
+ $backend = $this->getCacheBackend();
+
+ // Create two cache entries with the same tag and tag value.
+ $backend->set('test_cid_invalidate1', $this->defaultValue, Cache::PERMANENT, ['test_tag:2']);
+ $backend->set('test_cid_invalidate2', $this->defaultValue, Cache::PERMANENT, ['test_tag:2']);
+ $this->assertTrue($backend->get('test_cid_invalidate1') && $backend->get('test_cid_invalidate2'), 'Two cache items were created.');
+
+ // Invalidate test_tag of value 1. This should invalidate both entries.
+ Cache::invalidateTags(['test_tag:2']);
+ $this->assertFalse($backend->get('test_cid_invalidate1') || $backend->get('test_cid_invalidate2'), 'Two cache items invalidated after invalidating a cache tag.');
+ $this->assertTrue($backend->get('test_cid_invalidate1', TRUE) && $backend->get('test_cid_invalidate2', TRUE), 'Cache items not deleted after invalidating a cache tag.');
+
+ // Create two cache entries with the same tag and an array tag value.
+ $backend->set('test_cid_invalidate1', $this->defaultValue, Cache::PERMANENT, ['test_tag:1']);
+ $backend->set('test_cid_invalidate2', $this->defaultValue, Cache::PERMANENT, ['test_tag:1']);
+ $this->assertTrue($backend->get('test_cid_invalidate1') && $backend->get('test_cid_invalidate2'), 'Two cache items were created.');
+
+ // Invalidate test_tag of value 1. This should invalidate both entries.
+ Cache::invalidateTags(['test_tag:1']);
+ $this->assertFalse($backend->get('test_cid_invalidate1') || $backend->get('test_cid_invalidate2'), 'Two caches removed after invalidating a cache tag.');
+ $this->assertTrue($backend->get('test_cid_invalidate1', TRUE) && $backend->get('test_cid_invalidate2', TRUE), 'Cache items not deleted after invalidating a cache tag.');
+
+ // Create three cache entries with a mix of tags and tag values.
+ $backend->set('test_cid_invalidate1', $this->defaultValue, Cache::PERMANENT, ['test_tag:1']);
+ $backend->set('test_cid_invalidate2', $this->defaultValue, Cache::PERMANENT, ['test_tag:2']);
+ $backend->set('test_cid_invalidate3', $this->defaultValue, Cache::PERMANENT, ['test_tag_foo:3']);
+ $this->assertTrue($backend->get('test_cid_invalidate1') && $backend->get('test_cid_invalidate2') && $backend->get('test_cid_invalidate3'), 'Three cached items were created.');
+ Cache::invalidateTags(['test_tag_foo:3']);
+ $this->assertTrue($backend->get('test_cid_invalidate1') && $backend->get('test_cid_invalidate2'), 'Cache items not matching the tag were not invalidated.');
+ $this->assertFalse($backend->get('test_cid_invalidated3'), 'Cached item matching the tag was removed.');
+
+ // Create cache entry in multiple bins. Two cache entries
+ // (test_cid_invalidate1 and test_cid_invalidate2) still exist from previous
+ // tests.
+ $tags = ['test_tag:1', 'test_tag:2', 'test_tag:3'];
+ $bins = ['path', 'bootstrap', 'page'];
+ foreach ($bins as $bin) {
+ $this->getCacheBackend($bin)->set('test', $this->defaultValue, Cache::PERMANENT, $tags);
+ $this->assertTrue($this->getCacheBackend($bin)->get('test'), 'Cache item was set in bin.');
+ }
+
+ Cache::invalidateTags(['test_tag:2']);
+
+ // Test that the cache entry has been invalidated in multiple bins.
+ foreach ($bins as $bin) {
+ $this->assertFalse($this->getCacheBackend($bin)->get('test'), 'Tag invalidation affected item in bin.');
+ }
+ // Test that the cache entry with a matching tag has been invalidated.
+ $this->assertFalse($this->getCacheBackend($bin)->get('test_cid_invalidate2'), 'Cache items matching tag were invalidated.');
+ // Test that the cache entry with without a matching tag still exists.
+ $this->assertTrue($this->getCacheBackend($bin)->get('test_cid_invalidate1'), 'Cache items not matching tag were not invalidated.');
+ }
+
+ /**
+ * Test Drupal\Core\Cache\CacheBackendInterface::invalidateAll().
+ */
+ public function testInvalidateAll() {
+ $backend_a = $this->getCacheBackend();
+ $backend_b = $this->getCacheBackend('bootstrap');
+
+ // Set both expiring and permanent keys.
+ $backend_a->set('test1', 1, Cache::PERMANENT);
+ $backend_a->set('test2', 3, time() + 1000);
+ $backend_b->set('test3', 4, Cache::PERMANENT);
+
+ $backend_a->invalidateAll();
+
+ $this->assertFalse($backend_a->get('test1'), 'First key has been invalidated.');
+ $this->assertFalse($backend_a->get('test2'), 'Second key has been invalidated.');
+ $this->assertTrue($backend_b->get('test3'), 'Item in other bin is preserved.');
+ $this->assertTrue($backend_a->get('test1', TRUE), 'First key has not been deleted.');
+ $this->assertTrue($backend_a->get('test2', TRUE), 'Second key has not been deleted.');
+ }
+
+ /**
+ * Tests Drupal\Core\Cache\CacheBackendInterface::removeBin().
+ */
+ public function testRemoveBin() {
+ $backend_a = $this->getCacheBackend();
+ $backend_b = $this->getCacheBackend('bootstrap');
+
+ // Set both expiring and permanent keys.
+ $backend_a->set('test1', 1, Cache::PERMANENT);
+ $backend_a->set('test2', 3, time() + 1000);
+ $backend_b->set('test3', 4, Cache::PERMANENT);
+
+ $backend_a->removeBin();
+
+ $this->assertFalse($backend_a->get('test1'), 'First key has been deleted.');
+ $this->assertFalse($backend_a->get('test2', TRUE), 'Second key has been deleted.');
+ $this->assertTrue($backend_b->get('test3'), 'Item in other bin is preserved.');
+ }
+
+}
projects / yaffs-website / blobdiff