InversionOfControl/Castle.MicroKernel.Tests/SubResolverTestCase.cs

   1 // Copyright 2004-2008 Castle Project - http://www.castleproject.org/
   2 //
   3 // Licensed under the Apache License, Version 2.0 (the "License");
   4 // you may not use this file except in compliance with the License.
   5 // You may obtain a copy of the License at
   6 //
   7 //     http://www.apache.org/licenses/LICENSE-2.0
   8 //
   9 // Unless required by applicable law or agreed to in writing, software
  10 // distributed under the License is distributed on an "AS IS" BASIS,
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 // See the License for the specific language governing permissions and
  13 // limitations under the License.
  14
  15 namespace Castle.MicroKernel.Tests
  16 {
  17         using Core;
  18         using NUnit.Framework;
  19
  20         [TestFixture]
  21         public class SubResolverTestCase
  22         {
  23                 [Test]
  24                 public void WillAskResolverWhenTryingToResolveDependencyAfterAnotherHandlerWasRegistered()
  25                 {
  26                         FooBarResolver resolver = new FooBarResolver();
  27
  28                         IKernel kernel = new DefaultKernel();
  29                         kernel.Resolver.AddSubResolver(resolver);
  30
  31                         kernel.AddComponent("foo", typeof(Foo));
  32                         IHandler handler = kernel.GetHandler("foo");
  33                         Assert.AreEqual(HandlerState.WaitingDependency, handler.CurrentState);
  34
  35                         resolver.Result = 15;
  36
  37                         kernel.RaiseHandlerRegistered(null);//should force reevaluation of state
  38
  39                         Assert.AreEqual(HandlerState.Valid, handler.CurrentState);
  40                 }
  41         }
  42
  43         public class Foo
  44         {
  45                 private int bar;
  46
  47                 public Foo(int bar)
  48                 {
  49                         this.bar = bar;
  50                 }
  51         }
  52
  53         public class FooBarResolver : ISubDependencyResolver
  54         {
  55                 public int? Result;
  56
  57                 public object Resolve(CreationContext context, ISubDependencyResolver parentResolver, ComponentModel model,
  58                                       DependencyModel dependency)
  59                 {
  60                         return Result.Value;
  61                 }
  62
  63                 public bool CanResolve(CreationContext context, ISubDependencyResolver parentResolver, ComponentModel model,
  64                                        DependencyModel dependency)
  65                 {
  66                         return Result != null;
  67                 }
  68         }
  69 }