private static InjectionPolicy CreatePolicy(IUnityContainer container, IMatchingRule[] rules)
{
InjectionPolicy p
= new RuleDrivenPolicy(rules, new string[] { "handler1", "handler2", "handler3" });
return(p);
}
public void TestCallHandlerCustomFactory()
{
PolicyInjectionSettings settings = new PolicyInjectionSettings();
PolicyData policyData = new PolicyData("policy");
ExceptionCallHandlerData data = new ExceptionCallHandlerData("exceptionhandler", "Swallow Exceptions");
data.Order = 5;
policyData.Handlers.Add(data);
policyData.MatchingRules.Add(new CustomMatchingRuleData("matchesEverything", typeof(AlwaysMatchingRule)));
settings.Policies.Add(policyData);
ExceptionPolicyData swallowExceptions = new ExceptionPolicyData("Swallow Exceptions");
swallowExceptions.ExceptionTypes.Add(new ExceptionTypeData("Exception", typeof(Exception), PostHandlingAction.None));
DictionaryConfigurationSource dictConfigurationSource = new DictionaryConfigurationSource();
IUnityContainer container = new UnityContainer().AddNewExtension <Interception>();
settings.ConfigureContainer(container);
container.RegisterInstance("Swallow Exceptions", swallowExceptions.BuildExceptionPolicy());
RuleDrivenPolicy policy = container.Resolve <RuleDrivenPolicy>("policy");
ICallHandler handler
= (policy.GetHandlersFor(new MethodImplementationInfo(null, (MethodInfo)MethodBase.GetCurrentMethod()), container)).ElementAt(0);
Assert.IsNotNull(handler);
Assert.AreEqual(handler.Order, data.Order);
}
public void AssembledProperlyPerfCounterHandler()
{
PolicyInjectionSettings settings = new PolicyInjectionSettings();
PolicyData policyData = new PolicyData("policy");
PerformanceCounterCallHandlerData data = new PerformanceCounterCallHandlerData("FooCallHandler", 2);
policyData.MatchingRules.Add(new CustomMatchingRuleData("match everything", typeof(AlwaysMatchingRule)));
policyData.Handlers.Add(data);
settings.Policies.Add(policyData);
DictionaryConfigurationSource dictConfigurationSource = new DictionaryConfigurationSource();
dictConfigurationSource.Add(PolicyInjectionSettings.SectionName, settings);
IUnityContainer container = new UnityContainer().AddNewExtension <Interception>();
settings.ConfigureContainer(container);
RuleDrivenPolicy policy = container.Resolve <RuleDrivenPolicy>("policy");
ICallHandler handler
= (policy.GetHandlersFor(GetMethodImpl(MethodBase.GetCurrentMethod()), container)).ElementAt(0);
Assert.IsNotNull(handler);
Assert.AreEqual(handler.Order, data.Order);
}
public void TestInitialize()
{
IConfigurationSource authorizationConfiguration = new FileConfigurationSource("Authorization.config");
RuleDrivenPolicy allowFredPolicy = new RuleDrivenPolicy("allowFred");
allowFredPolicy.Handlers.Add(new AuthorizationCallHandler("RuleProvider", "OnlyFredHasAccess", authorizationConfiguration));
allowFredPolicy.RuleSet.Add(new AlwaysMatchingRule());
AllowFredPolicySet = new PolicySet(allowFredPolicy);
RuleDrivenPolicy allowJackPolicy = new RuleDrivenPolicy("allowJack");
allowJackPolicy.Handlers.Add(new AuthorizationCallHandler(string.Empty, "OnlyJackHasAccess", authorizationConfiguration));
allowJackPolicy.RuleSet.Add(new AlwaysMatchingRule());
AllowJackPolicySet = new PolicySet(allowJackPolicy);
RuleDrivenPolicy tokenBasedPolicy = new RuleDrivenPolicy("tokens");
tokenBasedPolicy.RuleSet.Add(new AlwaysMatchingRule());
tokenBasedPolicy.Handlers.Add(
new AuthorizationCallHandler(string.Empty, "{type}-{method}",
authorizationConfiguration));
AllowBasedOnTokensPolicySet = new PolicySet(tokenBasedPolicy);
}
public void ShouldCreateCorrectMatchingRule()
{
PolicyData policyData = new PolicyData("Validate Parameters");
policyData.Handlers.Add(new ValidationCallHandlerData());
ParameterTypeMatchingRuleData matchingRuleData = GetParameterTypeMatchingRuleData();
policyData.MatchingRules.Add(matchingRuleData);
PolicyInjectionSettings settings = new PolicyInjectionSettings();
settings.Policies.Add(policyData);
DictionaryConfigurationSource configSource = new DictionaryConfigurationSource();
configSource.Add(PolicyInjectionSettings.SectionName, settings);
PolicySetFactory factory = new PolicySetFactory(configSource);
PolicySet policies = factory.Create();
Policy policy = policies[1];
Assert.IsTrue(policy is RuleDrivenPolicy);
RuleDrivenPolicy validateRule = (RuleDrivenPolicy)policy;
Assert.IsTrue(validateRule.RuleSet[0] is ParameterTypeMatchingRule);
ParameterTypeMatchingRule rule = (ParameterTypeMatchingRule)(validateRule.RuleSet[0]);
Assert.AreEqual(3, rule.ParameterMatches.Count);
for (int i = 0; i < matchingRuleData.Matches.Count; ++i)
{
AssertMatchDataEqual(matchingRuleData.Matches[i], rule.ParameterMatches[i], "Mismatch at element {0}", i);
}
}
PolicySet GetPolicySet(ICallHandler handler)
{
RuleDrivenPolicy magicPolicy = new RuleDrivenPolicy();
magicPolicy.RuleSet.Add(new TagAttributeMatchingRule("Magic"));
magicPolicy.Handlers.Add(handler);
return new PolicySet(magicPolicy);
}
public void ShouldInitializeToEmpty()
{
RuleDrivenPolicy p = new RuleDrivenPolicy("Empty");
Assert.AreEqual("Empty", p.Name);
Assert.AreEqual(0, p.RuleSet.Count);
Assert.AreEqual(0, p.Handlers.Count);
}
public static List <IMatchingRule> GetRules(RuleDrivenPolicy policy)
{
return((List <IMatchingRule>) typeof(Microsoft.Practices.Unity.InterceptionExtension.RuleDrivenPolicy)
.GetField(
"ruleSet",
System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance)
.GetValue(policy));
}
private PolicySet GetPolicySet(ICallHandler handler)
{
RuleDrivenPolicy magicPolicy = new RuleDrivenPolicy();
magicPolicy.RuleSet.Add(new TagAttributeMatchingRule("Magic"));
magicPolicy.Handlers.Add(handler);
return(new PolicySet(magicPolicy));
}
private void AddNoopPolicy(PolicyInjector factory, params IMatchingRule[] rules)
{
RuleDrivenPolicy p = new RuleDrivenPolicy("Noop");
p.RuleSet.AddRange(rules);
p.Handlers.Add(new NoopCallHandler());
factory.Policies.Add(p);
}
private PolicySet GetCachingPolicies()
{
RuleDrivenPolicy cachePolicy = new RuleDrivenPolicy("Caching");
cachePolicy.RuleSet.Add(new TypeMatchingRule(typeof(CachingTarget)));
cachePolicy.Handlers.Add(new CachingCallHandler());
return(new PolicySet(cachePolicy));
}
private void AddExceptionPolicy(PolicyInjector factory, string exceptionPolicyName, params IMatchingRule[] rules)
{
RuleDrivenPolicy exceptionPolicy = new RuleDrivenPolicy();
exceptionPolicy.RuleSet.AddRange(rules);
exceptionPolicy.Handlers.Add(new ExceptionCallHandler(exceptionPolicyName));
factory.Policies.Add(exceptionPolicy);
}
private PolicySet GetPerfMonPolicies()
{
RuleDrivenPolicy policy = new RuleDrivenPolicy("Monitor all methods");
policy.RuleSet.Add(new TypeMatchingRule(typeof(MonitorTarget)));
callHandler = new PerformanceCounterCallHandler(TestCategoryName, TestInstanceName);
policy.Handlers.Add(callHandler);
return(new PolicySet(policy));
}
PolicySet GetPolicies(IUnityContainer container)
{
RuleDrivenPolicy p
= new RuleDrivenPolicy(
"PipelineTestPolicy",
new IMatchingRule[] { new AlwaysMatchingRule() },
new string[] { "call count", "rewrite" });
return(new PolicySet(p));
}
private RuleDrivenPolicy GetPolicyThatMatchesInterface()
{
RuleDrivenPolicy policy = new RuleDrivenPolicy("Matches IDal");
TypeMatchingAssignmentRule rule = new TypeMatchingAssignmentRule(typeof(IDal));
countHandler = new CallCountHandler();
policy.RuleSet.Add(rule);
policy.Handlers.Add(countHandler);
return(policy);
}
PolicySet GetPolicies(IUnityContainer container)
{
RuleDrivenPolicy p
= new RuleDrivenPolicy(
"PipelineTestPolicy",
new IMatchingRule[] { new AlwaysMatchingRule() },
new string[] { "call count", "rewrite" });
return new PolicySet(p);
}
private PolicySet GetPolicies()
{
RuleDrivenPolicy p = new RuleDrivenPolicy("PipelineTestPolicy");
p.RuleSet.Add(new AlwaysMatchingRule());
callCountHandler = new CallCountHandler();
returnHandler = new StringReturnRewriteHandler("REWRITE");
p.Handlers.Add(callCountHandler);
p.Handlers.Add(returnHandler);
return(new PolicySet(p));
}
private void AddOverloadsPolicy(PolicyInjector factory)
{
RuleDrivenPolicy policy = new RuleDrivenPolicy("NullStringPolicy");
TagAttributeMatchingRule tagRule = new TagAttributeMatchingRule("NullString");
policy.RuleSet.Add(tagRule);
policy.Handlers.Add(new MakeReturnNullHandler());
factory.Policies.Add(policy);
}
private RuleDrivenPolicy GetShortcutPolicy( )
{
RuleDrivenPolicy typeMatchPolicy = new RuleDrivenPolicy("ShortcutPolicy");
TypeMatchingAssignmentRule typeRule = new TypeMatchingAssignmentRule(typeof(MockDal));
typeMatchPolicy.RuleSet.Add(typeRule);
ShortcuttingHandler handler = new ShortcuttingHandler("shortcut");
typeMatchPolicy.Handlers.Add(handler);
return(typeMatchPolicy);
}
private RuleDrivenPolicy GetCallCountingPolicy()
{
RuleDrivenPolicy typeMatchPolicy = new RuleDrivenPolicy("DALPolicy");
NamespaceMatchingRule nsMatchRule = new NamespaceMatchingRule(
"Microsoft.Practices.EnterpriseLibrary.PolicyInjection.Tests.ObjectsUnderTest");
typeMatchPolicy.RuleSet.Add(nsMatchRule);
countHandler = new CallCountHandler();
typeMatchPolicy.Handlers.Add(countHandler);
return(typeMatchPolicy);
}
private void AddPropertiesPolicy(PolicyInjector factory)
{
RuleDrivenPolicy policy = new RuleDrivenPolicy("Intercept balance policy");
MemberNameMatchingRule rule = new MemberNameMatchingRule("get_Balance");
policy.RuleSet.Add(rule);
countHandler = new CallCountHandler();
policy.Handlers.Add(countHandler);
factory.Policies.Add(policy);
}
public void HandlersOrderedProperlyUsingRelativeAndAbsoluteOrder()
{
RuleDrivenPolicy policy
= new RuleDrivenPolicy("MatchesInterfacePolicy",
new IMatchingRule[] { new TypeMatchingRule("ITwo") },
new string[] { "Handler1", "Handler2", "Handler3", "Handler4", "Handler5", "Handler6" });
ICallHandler handler1 = new CallCountHandler();
handler1.Order = 0;
ICallHandler handler2 = new CallCountHandler();
handler2.Order = 3;
ICallHandler handler3 = new CallCountHandler();
handler3.Order = 3;
ICallHandler handler4 = new CallCountHandler();
handler4.Order = 2;
ICallHandler handler5 = new CallCountHandler();
handler5.Order = 4;
ICallHandler handler6 = new CallCountHandler();
handler6.Order = 1;
container
.RegisterInstance <ICallHandler>("Handler1", handler1)
.RegisterInstance <ICallHandler>("Handler2", handler2)
.RegisterInstance <ICallHandler>("Handler3", handler3)
.RegisterInstance <ICallHandler>("Handler4", handler4)
.RegisterInstance <ICallHandler>("Handler5", handler5)
.RegisterInstance <ICallHandler>("Handler6", handler6);
PolicySet policies = new PolicySet(policy);
MethodImplementationInfo twoInfo = new MethodImplementationInfo(
typeof(ITwo).GetMethod("Two"), typeof(TwoType).GetMethod("Two"));
List <ICallHandler> handlers
= new List <ICallHandler>(policies.GetHandlersFor(twoInfo, container));
Assert.AreEqual(handler6, handlers[0]);
Assert.AreEqual(handler4, handlers[1]);
Assert.AreEqual(handler2, handlers[2]);
Assert.AreEqual(handler3, handlers[3]);
Assert.AreEqual(handler5, handlers[4]);
Assert.AreEqual(handler1, handlers[5]);
}
public void CanCreateValidationCallHandlerThroughFactory()
{
ValidationCallHandlerData validationCallHandler = new ValidationCallHandlerData("validationHandler");
IUnityContainer container = new UnityContainer().AddNewExtension <Interception>();
RuleDrivenPolicy policy = CreatePolicySetContainingCallHandler(validationCallHandler, container);
ICallHandler runtimeHandler
= (policy.GetHandlersFor(new MethodImplementationInfo(null, (MethodInfo)MethodBase.GetCurrentMethod()), container)).ElementAt(0);
Assert.IsNotNull(runtimeHandler);
}
public void ShouldMatchForMethodWhenTagIsOnInterfaceViaPolicy()
{
RuleDrivenPolicy policy = new RuleDrivenPolicy("Count tagged calls");
policy.RuleSet.Add(new TagAttributeMatchingRule("Tag on interface", true));
policy.Handlers.Add(new CallCountHandler());
MethodInfo createMethod = typeof(DaoImpl).GetMethod("Create");
List <ICallHandler> handlers = new List <ICallHandler>(policy.GetHandlersFor(createMethod));
Assert.AreEqual(1, handlers.Count);
Assert.IsTrue(handlers[0] is CallCountHandler);
}
public void ShouldHaveNoHandlersWhenPolicyDoesntMatch()
{
RuleDrivenPolicy p = new RuleDrivenPolicy("NoRules");
ICallHandler[] handlers = { new Handler1(), new Handler2(), new Handler3() };
Array.ForEach(handlers, delegate(ICallHandler handler) { p.Handlers.Add(handler); });
MethodBase thisMember =
this.GetType().GetMethod("ShouldHaveNoHandlersWhenPolicyDoesntMatch");
List <ICallHandler> memberHandlers = new List <ICallHandler>(p.GetHandlersFor(thisMember));
Assert.AreEqual(0, memberHandlers.Count);
}
public void ShouldNotDuplicateHandlersWhenCreatingViaInterface()
{
DictionaryConfigurationSource configSource = new DictionaryConfigurationSource();
RuleDrivenPolicy policy = new RuleDrivenPolicy("MatchesInterfacePolicy");
policy.RuleSet.Add(new TypeMatchingRule("ITwo"));
policy.Handlers.Add(new ValidationCallHandler(string.Empty, SpecificationSource.Both));
policy.Handlers.Add(new CallCountHandler());
PolicySet policies = new PolicySet(policy);
List <ICallHandler> handlers = new List <ICallHandler>(policies.GetHandlersFor(typeof(Bar).GetMethod("Two")));
Assert.AreEqual(2, handlers.Count);
}
private PolicySet GetMultiplePolicySet()
{
RuleDrivenPolicy typeMatchPolicy = new RuleDrivenPolicy("MatchesType");
typeMatchPolicy.RuleSet.Add(new TypeMatchingRule(typeof(MatchesByType)));
typeMatchPolicy.Handlers.Add(new Handler1());
RuleDrivenPolicy nameMatchPolicy = new RuleDrivenPolicy("MatchesName");
nameMatchPolicy.RuleSet.Add(new MemberNameMatchingRule("NameMatch"));
nameMatchPolicy.Handlers.Add(new Handler2());
return(new PolicySet(typeMatchPolicy, nameMatchPolicy));
}
public void ShouldOnlyGetHandlersOnceIfPolicyMatchesBothClassAndInterface()
{
RuleDrivenPolicy p = new RuleDrivenPolicy();
ICallHandler callHandler = new CallCountHandler();
MemberNameMatchingRule nameRule = new MemberNameMatchingRule("MyMethod");
p.RuleSet.Add(nameRule);
p.Handlers.Add(callHandler);
MethodInfo myMethod = typeof(MyFooClass).GetMethod("MyMethod");
List <ICallHandler> handlers = new List <ICallHandler>(p.GetHandlersFor(myMethod));
Assert.AreEqual(1, handlers.Count);
Assert.AreSame(callHandler, handlers[0]);
}
private PolicySet GetLoggingPolicies()
{
RuleDrivenPolicy p = new RuleDrivenPolicy("Logging");
p.RuleSet.Add(new TypeMatchingRule("LoggingTarget"));
callHandler = new LogCallHandler(log);
callHandler.LogBeforeCall = callHandler.LogAfterCall = true;
callHandler.BeforeMessage = beforeMessage;
callHandler.AfterMessage = afterMessage;
callHandler.Categories.Add("General");
callHandler.Categories.Add("PIAB");
p.Handlers.Add(callHandler);
return(new PolicySet(p));
}
public void ShouldBeAbleToMatchPropertyGet()
{
RuleDrivenPolicy p = new RuleDrivenPolicy("Property get");
p.RuleSet.Add(new MemberNameMatchingRule("get_Balance"));
ICallHandler callHandler = new CallCountHandler();
p.Handlers.Add(callHandler);
PropertyInfo balanceProperty = typeof(MockDal).GetProperty("Balance");
MethodBase getMethod = balanceProperty.GetGetMethod();
List <ICallHandler> handlers = new List <ICallHandler>(p.GetHandlersFor(getMethod));
Assert.AreEqual(1, handlers.Count);
Assert.AreSame(callHandler, handlers[0]);
}
public void ShouldPreserveHandlerOrder()
{
RuleDrivenPolicy p = new RuleDrivenPolicy("OrderedHandlers");
ICallHandler h1 = new Handler1();
ICallHandler h2 = new Handler2();
ICallHandler h3 = new Handler3();
p.Handlers.Add(h2);
p.Handlers.Add(h1);
p.Handlers.Add(h3);
Assert.AreEqual(3, p.Handlers.Count);
Assert.AreSame(h2, p.Handlers[0]);
Assert.AreSame(h1, p.Handlers[1]);
Assert.AreSame(h3, p.Handlers[2]);
}
private PolicySet GetMultiplePolicySet()
{
container
.RegisterInstance <ICallHandler>("Handler1", new Handler1())
.RegisterInstance <ICallHandler>("Handler2", new Handler2());
RuleDrivenPolicy typeMatchPolicy
= new RuleDrivenPolicy("MatchesType",
new IMatchingRule[] { new TypeMatchingRule(typeof(MatchesByType)) },
new string[] { "Handler1" });
RuleDrivenPolicy nameMatchPolicy
= new RuleDrivenPolicy("MatchesName",
new IMatchingRule[] { new MemberNameMatchingRule("NameMatch") },
new string[] { "Handler2" });
return(new PolicySet(typeMatchPolicy, nameMatchPolicy));
}
PolicySet GetPolicies()
{
PolicySet policies = new PolicySet();
RuleDrivenPolicy noParamsPolicy
= new RuleDrivenPolicy(
"noParamsPolicy",
new IMatchingRule[] { new MatchByNameRule("MethodWithNoParameters") },
new string[] { "Handler1" });
container.RegisterInstance<ICallHandler>("Handler1", new SignatureCheckingHandler(new Type[] { }));
policies.Add(noParamsPolicy);
RuleDrivenPolicy simpleInputsPolicy
= new RuleDrivenPolicy(
"simpleInputsPolicy",
new IMatchingRule[] { new MatchByNameRule("MethodWithSimpleInputs") },
new string[] { "Handler2" });
container.RegisterInstance<ICallHandler>(
"Handler2",
new SignatureCheckingHandler(new Type[] { typeof(int), typeof(string) }));
policies.Add(simpleInputsPolicy);
RuleDrivenPolicy outParamsPolicy
= new RuleDrivenPolicy(
"outParamsPolicy",
new IMatchingRule[] { new MatchByNameRule("MethodWithOutParams") },
new string[] { "Handler3" });
container.RegisterInstance<ICallHandler>(
"Handler3",
new SignatureCheckingHandler(new Type[] { typeof(int).MakeByRefType(), typeof(string).MakeByRefType() }));
policies.Add(outParamsPolicy);
RuleDrivenPolicy mixedParamsPolicy
= new RuleDrivenPolicy(
"mixedParamsPolicy",
new IMatchingRule[] { new MatchByNameRule("MethodWithInOutByrefParams") },
new string[] { "Handler4" });
container.RegisterInstance<ICallHandler>(
"Handler4",
new SignatureCheckingHandler(
new Type[]
{
typeof(int),
typeof(string).MakeByRefType(),
typeof(float).MakeByRefType(),
typeof(decimal)
}));
policies.Add(mixedParamsPolicy);
RuleDrivenPolicy varargsParamsPolicy
= new RuleDrivenPolicy(
"varargsParamsPolicy",
new IMatchingRule[] { new MatchByNameRule("MethodWithVarArgs") },
new string[] { "Handler5" });
container.RegisterInstance<ICallHandler>(
"Handler5",
new SignatureCheckingHandler(new Type[] { typeof(int), typeof(string).MakeArrayType() }));
policies.Add(varargsParamsPolicy);
return policies;
}
PolicySet GetPolicies()
{
RuleDrivenPolicy doubleInputPolicy
= new RuleDrivenPolicy(
"Double your inputs",
new IMatchingRule[] { new MemberNameMatchingRule("DoSomething") },
new string[] { "Handler1" });
container.RegisterInstance<ICallHandler>("Handler1", new DoubleInputHandler());
RuleDrivenPolicy tripleOutputPolicy
= new RuleDrivenPolicy(
"Triple an output parameter",
new IMatchingRule[] { new MemberNameMatchingRule(new[] { "DoSomethingElse", "DoSomethingElseWithRef" }) },
new string[] { "Handler2" });
container.RegisterInstance<ICallHandler>("Handler2", new TripleOutputHandler());
return new PolicySet(doubleInputPolicy, tripleOutputPolicy);
}
