| // Copyright 2011 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| goog.provide('goog.storage.ExpiringStorageTest'); |
| goog.setTestOnly('goog.storage.ExpiringStorageTest'); |
| |
| goog.require('goog.storage.ExpiringStorage'); |
| goog.require('goog.storage.storage_test'); |
| goog.require('goog.testing.MockClock'); |
| goog.require('goog.testing.jsunit'); |
| goog.require('goog.testing.storage.FakeMechanism'); |
| |
| function testBasicOperations() { |
| var mechanism = new goog.testing.storage.FakeMechanism(); |
| var storage = new goog.storage.ExpiringStorage(mechanism); |
| goog.storage.storage_test.runBasicTests(storage); |
| } |
| |
| function testExpiration() { |
| var mechanism = new goog.testing.storage.FakeMechanism(); |
| var clock = new goog.testing.MockClock(true); |
| var storage = new goog.storage.ExpiringStorage(mechanism); |
| |
| // No expiration. |
| storage.set('first', 'one second', 1000); |
| storage.set('second', 'permanent'); |
| storage.set('third', 'two seconds', 2000); |
| storage.set('fourth', 'permanent'); |
| clock.tick(100); |
| assertEquals('one second', storage.get('first')); |
| assertEquals('permanent', storage.get('second')); |
| assertEquals('two seconds', storage.get('third')); |
| assertEquals('permanent', storage.get('fourth')); |
| |
| // A key has expired. |
| clock.tick(1000); |
| assertUndefined(storage.get('first')); |
| assertEquals('permanent', storage.get('second')); |
| assertEquals('two seconds', storage.get('third')); |
| assertEquals('permanent', storage.get('fourth')); |
| assertNull(mechanism.get('first')); |
| |
| // Add an already expired key. |
| storage.set('fourth', 'one second again', 1000); |
| assertNull(mechanism.get('fourth')); |
| assertUndefined(storage.get('fourth')); |
| |
| // Another key has expired. |
| clock.tick(1000); |
| assertEquals('permanent', storage.get('second')); |
| assertUndefined(storage.get('third')); |
| assertNull(mechanism.get('third')); |
| |
| // Clean up. |
| storage.remove('second'); |
| assertNull(mechanism.get('second')); |
| assertUndefined(storage.get('second')); |
| clock.uninstall(); |
| } |
| |
| function testClockSkew() { |
| var mechanism = new goog.testing.storage.FakeMechanism(); |
| var storage = new goog.storage.ExpiringStorage(mechanism); |
| var clock = new goog.testing.MockClock(true); |
| |
| // Simulate clock skew. |
| clock.tick(100); |
| storage.set('first', 'one second', 1000); |
| clock.reset(); |
| assertUndefined(storage.get('first')); |
| assertNull(mechanism.get('first')); |
| |
| clock.uninstall(); |
| } |