node-os-utils
Version:
Advanced cross-platform operating system monitoring utilities with TypeScript support
127 lines • 5.32 kB
JavaScript
;
/**
* CacheManager单元测试
* 测试缓存管理器的核心功能，不依赖平台
*/
Object.defineProperty(exports, "__esModule", { value: true });
const chai_1 = require("chai");
const cache_manager_1 = require("../../../src/core/cache-manager");
describe('CacheManager Unit Tests', function () {
let cacheManager;
beforeEach(function () {
cacheManager = new cache_manager_1.CacheManager({
defaultTTL: 1000,
maxSize: 10,
enabled: true
});
});
afterEach(function () {
cacheManager.clear();
});
describe('基本缓存功能', function () {
it('应该能够设置和获取缓存值', function () {
const key = 'test-key';
const value = { test: 'data' };
cacheManager.set(key, value);
const retrieved = cacheManager.get(key);
(0, chai_1.expect)(retrieved).to.deep.equal(value);
});
it('应该在TTL过期后返回undefined', function (done) {
const key = 'ttl-test';
const value = 'test-value';
const shortTTL = 50;
cacheManager.set(key, value, shortTTL);
// 立即检查，应该存在
(0, chai_1.expect)(cacheManager.get(key)).to.equal(value);
// TTL过期后检查
setTimeout(() => {
(0, chai_1.expect)(cacheManager.get(key)).to.be.undefined;
done();
}, shortTTL + 10);
});
it('应该正确报告缓存命中状态', function () {
const key = 'hit-test';
const value = 'hit-value';
(0, chai_1.expect)(cacheManager.has(key)).to.be.false;
cacheManager.set(key, value);
(0, chai_1.expect)(cacheManager.has(key)).to.be.true;
});
});
describe('缓存大小限制', function () {
it('应该在达到最大大小时移除最老的条目', function () {
const maxSize = 3;
const smallCache = new cache_manager_1.CacheManager({
defaultTTL: 10000,
maxSize: maxSize,
enabled: true
});
// 填充缓存到最大值
for (let i = 0; i < maxSize; i++) {
smallCache.set(`key-${i}`, `value-${i}`);
}
// 验证所有项都在缓存中
for (let i = 0; i < maxSize; i++) {
(0, chai_1.expect)(smallCache.has(`key-${i}`)).to.be.true;
}
// 添加一个新项，应该移除最老的
smallCache.set('new-key', 'new-value');
// 最老的应该被移除
(0, chai_1.expect)(smallCache.has('key-0')).to.be.false;
// 新的应该存在
(0, chai_1.expect)(smallCache.has('new-key')).to.be.true;
// 其他的应该还在
(0, chai_1.expect)(smallCache.has('key-1')).to.be.true;
(0, chai_1.expect)(smallCache.has('key-2')).to.be.true;
});
});
describe('缓存配置', function () {
it('禁用缓存时应该始终返回undefined', function () {
const disabledCache = new cache_manager_1.CacheManager({
defaultTTL: 1000,
maxSize: 10,
enabled: false
});
disabledCache.set('test', 'value');
(0, chai_1.expect)(disabledCache.get('test')).to.be.undefined;
(0, chai_1.expect)(disabledCache.has('test')).to.be.false;
});
it('应该能够清空所有缓存', function () {
cacheManager.set('key1', 'value1');
cacheManager.set('key2', 'value2');
(0, chai_1.expect)(cacheManager.has('key1')).to.be.true;
(0, chai_1.expect)(cacheManager.has('key2')).to.be.true;
cacheManager.clear();
(0, chai_1.expect)(cacheManager.has('key1')).to.be.false;
(0, chai_1.expect)(cacheManager.has('key2')).to.be.false;
});
});
describe('边界情况', function () {
it('应该处理undefined和null值', function () {
cacheManager.set('undefined-key', undefined);
cacheManager.set('null-key', null);
(0, chai_1.expect)(cacheManager.get('undefined-key')).to.be.undefined;
(0, chai_1.expect)(cacheManager.get('null-key')).to.be.null;
(0, chai_1.expect)(cacheManager.has('null-key')).to.be.true;
});
it('应该处理复杂对象', function () {
const complexObject = {
nested: {
array: [1, 2, 3],
func: () => 'test'
},
date: new Date(),
regex: /test/gi
};
cacheManager.set('complex', complexObject);
const retrieved = cacheManager.get('complex');
(0, chai_1.expect)(retrieved).to.deep.equal(complexObject);
});
it('应该处理空字符串键', function () {
const value = 'empty-key-value';
cacheManager.set('', value);
(0, chai_1.expect)(cacheManager.get('')).to.equal(value);
(0, chai_1.expect)(cacheManager.has('')).to.be.true;
});
});
});
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