public void TestCache()
{
//HystrixConcurrencyStrategy strategy = HystrixConcurrencyStrategyDefault.GetInstance();
//HystrixRequestContext context = HystrixRequestContext.nitializeContext();
try
{
Task <string> t1 = Task.FromResult("a1");
Task <string> t2 = Task.FromResult("a2");
Task <string> t3 = Task.FromResult("b1");
HystrixRequestCache cache1 = HystrixRequestCache.GetInstance(HystrixCommandKeyDefault.AsKey("command1"));
cache1.PutIfAbsent("valueA", t1);
cache1.PutIfAbsent("valueA", t2);
cache1.PutIfAbsent("valueB", t3);
HystrixRequestCache cache2 = HystrixRequestCache.GetInstance(HystrixCommandKeyDefault.AsKey("command2"));
Task <string> t4 = Task.FromResult("a3");
cache2.PutIfAbsent("valueA", t4);
Assert.Equal("a1", cache1.Get <Task <string> >("valueA").Result);
Assert.Equal("b1", cache1.Get <Task <string> >("valueB").Result);
Assert.Equal("a3", cache2.Get <Task <string> >("valueA").Result);
Assert.Null(cache2.Get <Task <string> >("valueB"));
}
catch (Exception e)
{
Assert.False(true, "Exception: " + e.Message);
output.WriteLine(e.ToString());
}
finally
{
context.Dispose();
}
context = HystrixRequestContext.InitializeContext();
try
{
// with a new context the instance should have nothing in it
HystrixRequestCache cache = HystrixRequestCache.GetInstance(HystrixCommandKeyDefault.AsKey("command1"));
Assert.Null(cache.Get <Task <string> >("valueA"));
Assert.Null(cache.Get <Task <string> >("valueB"));
}
finally
{
context.Dispose();
}
}
public void RequestCache_Cache()
{
IHystrixConcurrencyStrategy strategy = HystrixConcurrencyStrategyDefault.Instance;
HystrixRequestContext context = HystrixRequestContext.InitializeContext();
try
{
HystrixRequestCache cache1 = HystrixRequestCache.GetInstance("command1", strategy);
cache1.PutIfAbsent("valueA", new TestFuture("a1"));
cache1.PutIfAbsent("valueA", new TestFuture("a2"));
cache1.PutIfAbsent("valueB", new TestFuture("b1"));
HystrixRequestCache cache2 = HystrixRequestCache.GetInstance("command2", strategy);
cache2.PutIfAbsent("valueA", new TestFuture("a3"));
Assert.AreEqual("a1", cache1.Get <string>("valueA").Get());
Assert.AreEqual("b1", cache1.Get <string>("valueB").Get());
Assert.AreEqual("a3", cache2.Get <string>("valueA").Get());
Assert.IsNull(cache2.Get <string>("valueB"));
}
catch (Exception e)
{
Assert.Fail("Exception: " + e.Message);
Console.WriteLine(e.ToString());
}
finally
{
context.Shutdown();
}
context = HystrixRequestContext.InitializeContext();
try
{
// with a new context the instance should have nothing in it
HystrixRequestCache cache = HystrixRequestCache.GetInstance("command1", strategy);
Assert.IsNull(cache.Get <string>("valueA"));
Assert.IsNull(cache.Get <string>("valueB"));
}
finally
{
context.Shutdown();
}
}
public void TestCacheWithoutRequestContext()
{
HystrixConcurrencyStrategy strategy = HystrixConcurrencyStrategyDefault.GetInstance();
context.Dispose();
HystrixRequestCache cache1 = HystrixRequestCache.GetInstance(HystrixCommandKeyDefault.AsKey("command1"));
Task <string> t1 = Task.FromResult("a1");
// this should fail, as there's no HystrixRequestContext instance to place the cache into
Assert.Throws <InvalidOperationException>(() => { cache1.PutIfAbsent("valueA", t1); });
}
public void TestClearCache()
{
HystrixConcurrencyStrategy strategy = HystrixConcurrencyStrategyDefault.GetInstance();
try
{
HystrixRequestCache cache1 = HystrixRequestCache.GetInstance(HystrixCommandKeyDefault.AsKey("command1"));
Task <string> t1 = Task.FromResult("a1");
cache1.PutIfAbsent("valueA", t1);
Assert.Equal("a1", cache1.Get <Task <string> >("valueA").Result);
cache1.Clear("valueA");
Assert.Null(cache1.Get <Task <string> >("valueA"));
}
catch (Exception e)
{
Assert.False(true, "Exception: " + e.Message);
output.WriteLine(e.ToString());
}
}
public void RequestCache_ClearCache()
{
IHystrixConcurrencyStrategy strategy = HystrixConcurrencyStrategyDefault.Instance;
HystrixRequestContext context = HystrixRequestContext.InitializeContext();
try
{
HystrixRequestCache cache1 = HystrixRequestCache.GetInstance("command1", strategy);
cache1.PutIfAbsent("valueA", new TestFuture("a1"));
Assert.AreEqual("a1", cache1.Get <string>("valueA").Get());
cache1.Clear("valueA");
Assert.IsNull(cache1.Get <string>("valueA"));
}
catch (Exception e)
{
Assert.Fail("Exception: " + e.Message);
Console.WriteLine(e.ToString());
}
finally
{
context.Shutdown();
}
}