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- // 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.storageTester');
- 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.storageTester.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();
- }
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