DelegatingMethodReplacerTests.cs :  » Inversion-of-Control-Dependency-Injection » Spring.net » Spring » Objects » Factory » Support » C# / CSharp Open Source

#region License

/*
 * Copyright  2002-2005 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#endregion

#region Imports

using System;
using System.Reflection;
using NUnit.Framework;
using Rhino.Mocks;

#endregion

namespace Spring.Objects.Factory.Support{
  /// <summary>
  /// Unit tests for the DelegatingMethodReplacer class.
  /// </summary>
  /// <author>Rick Evans</author>
  [TestFixture]
  public sealed class DelegatingMethodReplacerTests
  {
        private MockRepository mocks;

        [SetUp]
        public void SetUp()
        {
            mocks = new MockRepository();
        }

    [Test]
    [ExpectedException(typeof (ArgumentNullException))]
    public void InstantiationWithNullDefinition()
    {
        IObjectFactory factory = (IObjectFactory) mocks.CreateMock(typeof (IObjectFactory));
        new DelegatingMethodReplacer(null, factory);
    }

      [Test]
    [ExpectedException(typeof (ArgumentNullException))]
    public void InstantiationWithNullFactory()
    {
            IConfigurableObjectDefinition mock = (IConfigurableObjectDefinition) 
                mocks.CreateMock(typeof(IConfigurableObjectDefinition));
            new DelegatingMethodReplacer(mock, null);
    }

    [Test]
    public void SunnyDayPath()
    {
            IObjectFactory mockFactory = (IObjectFactory) mocks.CreateMock(typeof(IObjectFactory));
            IConfigurableObjectDefinition mockDefinition = (IConfigurableObjectDefinition) mocks.CreateMock(typeof(IConfigurableObjectDefinition));
            IMethodReplacer mockReplacer = (IMethodReplacer) mocks.CreateMock(typeof(IMethodReplacer));

            
      const string ReplacerObjectName = "replacer";
            Expect.Call(mockFactory.GetObject(ReplacerObjectName)).Return(mockReplacer);

      ReplacedMethodOverride ovr = new ReplacedMethodOverride("SunnyDayPath", ReplacerObjectName);
      MethodOverrides overrides = new MethodOverrides();
      overrides.Add(ovr);
      Expect.Call(mockDefinition.MethodOverrides).Return(overrides);

      Expect.Call(mockReplacer.Implement(null, null, null)).IgnoreArguments().Return(null);
            mocks.ReplayAll();
            
            DelegatingMethodReplacer replacer = new DelegatingMethodReplacer(mockDefinition, mockFactory);
      MethodInfo method = (MethodInfo) MethodBase.GetCurrentMethod();
      replacer.Implement(this, method, new object[] {});

      mocks.VerifyAll();
    }
  }
}