public void TestInit()
{
_mockCacheProvider = Substitute.For <ICacheProvider>();
_manager = new DefaultCacheManager(_mockCacheProvider, new DefaultCacheKey());
_mockRepository = Substitute.For <ITest3Repository>();
_key = "a";
_cacheKey = "CacheKey_a";
_signKey = "CacheKey_Sign_a";
_testA = Test3.CreateA();
}
private static void PlainExample()
{
Console.WriteLine("PlainExample");
var cacheHolder = new ConcurrentDictionaryCacheHolder();
var cacheFactory = new ActivatorCacheFactory();
var cacheManager = new DefaultCacheManager(cacheHolder, cacheFactory);
var reportService = new ReportService();
var cachedReportService = new CachedReportService(cacheManager, reportService);
var report = cachedReportService.GetReport();
var report2 = cachedReportService.GetReport();
Console.WriteLine("Reports are equal? : {0}", report == report2);
Console.WriteLine();
}
public void TestGet_Concurrency()
{
//设置仓储操作
_mockRepository.GetTest3().Returns(_testA);
//设置仅当调用了添加缓存方法后，才能获取
_mockCacheProvider.When(t => t.Add(_cacheKey, _testA, 20))
.Do(invocation => _mockCacheProvider.Get <Test3>(_cacheKey).Returns(_testA));
_mockCacheProvider.When(t => t.Add(_signKey, "a", 10))
.Do(invocation => _mockCacheProvider.Get <string>(_signKey).Returns("a"));
//并发读取缓存
UnitTest.TestConcurrency(() => {
var manager = new DefaultCacheManager(_mockCacheProvider, new DefaultCacheKey());
manager.Get(_key, () => _mockRepository.GetTest3(), 10);
}, 5);
//验证仓储只被调用一次，说明同时只有一个线程能更新缓存
_mockRepository.Received(1).GetTest3();
//验证缓存只被添加一次
_mockCacheProvider.Received(1).Add(_cacheKey, _testA, 20);
}
public void TestGet_Concurrency2()
{
//模拟已加载缓存
_mockCacheProvider.Get <Test3>(_cacheKey).Returns(_testA);
//模拟缓存过期标记已到期
_mockCacheProvider.Get <string>(_signKey).Returns("");
//添加缓存过期标记后，返回"a"
_mockCacheProvider.When(t => t.Add(_signKey, "a", 10))
.Do(invocation => _mockCacheProvider.Get <string>(_signKey).Returns("a"));
//并发读取缓存
UnitTest.TestConcurrency(() => {
var manager = new DefaultCacheManager(_mockCacheProvider, new DefaultCacheKey());
manager.Get(_key, () => _mockRepository.GetTest3(), 10);
}, 5);
//验证添加缓存过期标记1次
_mockCacheProvider.Received(1).Add(_signKey, "a", 10);
//验证不会调用添加缓存
_mockCacheProvider.DidNotReceive().Add(_cacheKey, _testA, 20);
//验证缓存在过期时被更新
_mockCacheProvider.Received(1).Update(_cacheKey, Arg.Any <object>(), 20);
}
public ProjectInterfaceService(IMyProjectService myProjectService, ICacheManager cacheManager)
{
_myProjectService = myProjectService;
_cacheManager = (DefaultCacheManager)cacheManager;
}