Version 1

[yaffs-website] / web / core / modules / system / tests / src / Functional / Lock / LockFunctionalTest.php

diff --git a/web/core/modules/system/tests/src/Functional/Lock/LockFunctionalTest.php b/web/core/modules/system/tests/src/Functional/Lock/LockFunctionalTest.php
new file mode 100644 (file)
index 0000000..0b13f18
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+++ b/web/core/modules/system/tests/src/Functional/Lock/LockFunctionalTest.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Drupal\Tests\system\Functional\Lock;
+
+use Drupal\Tests\BrowserTestBase;
+
+/**
+ * Confirm locking works between two separate requests.
+ *
+ * @group Lock
+ */
+class LockFunctionalTest extends BrowserTestBase {
+
+  /**
+   * Modules to enable.
+   *
+   * @var array
+   */
+  public static $modules = ['system_test'];
+
+  /**
+   * Confirms that we can acquire and release locks in two parallel requests.
+   */
+  public function testLockAcquire() {
+    $lock = $this->container->get('lock');
+    $lock_acquired = 'TRUE: Lock successfully acquired in \Drupal\system_test\Controller\SystemTestController::lockAcquire()';
+    $lock_not_acquired = 'FALSE: Lock not acquired in \Drupal\system_test\Controller\SystemTestController::lockAcquire()';
+    $this->assertTrue($lock->acquire('system_test_lock_acquire'), 'Lock acquired by this request.', 'Lock');
+    $this->assertTrue($lock->acquire('system_test_lock_acquire'), 'Lock extended by this request.', 'Lock');
+    $lock->release('system_test_lock_acquire');
+
+    // Cause another request to acquire the lock.
+    $this->drupalGet('system-test/lock-acquire');
+    $this->assertText($lock_acquired, 'Lock acquired by the other request.', 'Lock');
+    // The other request has finished, thus it should have released its lock.
+    $this->assertTrue($lock->acquire('system_test_lock_acquire'), 'Lock acquired by this request.', 'Lock');
+    // This request holds the lock, so the other request cannot acquire it.
+    $this->drupalGet('system-test/lock-acquire');
+    $this->assertText($lock_not_acquired, 'Lock not acquired by the other request.', 'Lock');
+    $lock->release('system_test_lock_acquire');
+
+    // Try a very short timeout and lock breaking.
+    $this->assertTrue($lock->acquire('system_test_lock_acquire', 0.5), 'Lock acquired by this request.', 'Lock');
+    sleep(1);
+    // The other request should break our lock.
+    $this->drupalGet('system-test/lock-acquire');
+    $this->assertText($lock_acquired, 'Lock acquired by the other request, breaking our lock.', 'Lock');
+    // We cannot renew it, since the other thread took it.
+    $this->assertFalse($lock->acquire('system_test_lock_acquire'), 'Lock cannot be extended by this request.', 'Lock');
+
+    // Check the shut-down function.
+    $lock_acquired_exit = 'TRUE: Lock successfully acquired in \Drupal\system_test\Controller\SystemTestController::lockExit()';
+    $this->drupalGet('system-test/lock-exit');
+    $this->assertText($lock_acquired_exit, 'Lock acquired by the other request before exit.', 'Lock');
+    $this->assertTrue($lock->acquire('system_test_lock_exit'), 'Lock acquired by this request after the other request exits.', 'Lock');
+  }
+
+  /**
+   * Tests that the persistent lock is persisted between requests.
+   */
+  public function testPersistentLock() {
+    $persistent_lock = $this->container->get('lock.persistent');
+    // Get a persistent lock.
+    $this->drupalGet('system-test/lock-persist/lock1');
+    $this->assertText('TRUE: Lock successfully acquired in SystemTestController::lockPersist()');
+    // Ensure that a shutdown function has not released the lock.
+    $this->assertFalse($persistent_lock->lockMayBeAvailable('lock1'));
+    $this->drupalGet('system-test/lock-persist/lock1');
+    $this->assertText('FALSE: Lock not acquired in SystemTestController::lockPersist()');
+
+    // Get another persistent lock.
+    $this->drupalGet('system-test/lock-persist/lock2');
+    $this->assertText('TRUE: Lock successfully acquired in SystemTestController::lockPersist()');
+    $this->assertFalse($persistent_lock->lockMayBeAvailable('lock2'));
+
+    // Release the first lock and try getting it again.
+    $persistent_lock->release('lock1');
+    $this->drupalGet('system-test/lock-persist/lock1');
+    $this->assertText('TRUE: Lock successfully acquired in SystemTestController::lockPersist()');
+  }
+
+}