public void Initialize()
{
Cache = A.Fake<ObjectCache>();
CacheKeyGenerationService = A.Fake<ICacheKeyGenerationService>();
Invocation = A.Fake<IInvocation>();
ProxyRequest = A.Fake<IProxyRequest>();
Target = new TestModelDefinition();
A.CallTo(() => Invocation.Request).Returns(ProxyRequest);
A.CallTo(() => ProxyRequest.Target).Returns(Target);
Interceptor = new NinjectCachingInterceptor(Cache, CacheKeyGenerationService);
}
public void Intercept_ChecksAndReturnsCachedContent_WhenTheCacheContainsTheKey()
{
const string cacheKey = "cacheKey(<no_arguments>)";
const string region = null;
var cacheOutput = new TestModelDefinition { Id = 100 };
var methodInfo =
typeof(TestModelDefinition).GetMethod(nameof(TestModelDefinition.TestMethod_WithCacheAttribute));
A.CallTo(() => ProxyRequest.Method).Returns(methodInfo);
A.CallTo(() => CacheKeyGenerationService.GetCacheKey(methodInfo, A<object[]>.Ignored)).Returns(cacheKey);
A.CallTo(() => Cache.Contains(cacheKey, region)).Returns(true);
A.CallTo(() => Cache.Get(cacheKey, region)).Returns(cacheOutput);
Interceptor.Intercept(Invocation);
A.CallTo(() => Invocation.Proceed()).MustNotHaveHappened();
A.CallTo(() => CacheKeyGenerationService.GetCacheKey(methodInfo, A<object[]>.Ignored)).MustHaveHappened();
A.CallTo(() => Cache.Get(cacheKey, region)).MustHaveHappened();
Assert.AreEqual(cacheOutput, Invocation.ReturnValue);
}
public void Intercept_ChecksCacheAndInvokesThenCachesTheResult_WhenTheCacheDoesNotContainTheKey()
{
const string cacheKey = "cacheKey";
const string region = null;
var returnValue = new TestModelDefinition { Id = 500 };
// this uses a different method from above to test a Ninject-specific Test Coverage Path
var methodInfo =
typeof(TestModelDefinition).GetMethod(nameof(TestModelDefinition.TestMethod_WithCacheAttribute_AndParameters));
A.CallTo(() => ProxyRequest.Method).Returns(methodInfo);
A.CallTo(() => CacheKeyGenerationService.GetCacheKey(methodInfo, A<object[]>.Ignored)).Returns(cacheKey);
A.CallTo(() => Cache.Contains(cacheKey, region)).Returns(false);
A.CallTo(() => Invocation.ReturnValue).Returns(returnValue);
Interceptor.Intercept(Invocation);
A.CallTo(() => Invocation.Proceed()).MustHaveHappened();
A.CallTo(() => CacheKeyGenerationService.GetCacheKey(methodInfo, A<object[]>.Ignored)).MustHaveHappened();
A.CallTo(() => Cache.Set(A<CacheItem>.Ignored, A<CacheItemPolicy>.Ignored)).MustHaveHappened();
}
