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

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C# / CSharp Open Source » Inversion of Control Dependency Injection » Spring.net 
Spring.net » Spring » Objects » Factory » Config » ListFactoryObjectTests.cs
#region License

/*
 * Copyright 2004 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.Collections;
using NUnit.Framework;

#endregion

namespace Spring.Objects.Factory.Config{
  /// <summary>
  /// Unit tests for the ListFactoryObject class.
  /// </summary>
  /// <author>Rick Evans</author>
  [TestFixture]
  public sealed class ListFactoryObjectTests
  {
    [Test]
    [ExpectedException(typeof (ArgumentException), ExpectedMessage="The Type passed to the TargetListType property must implement the 'System.Collections.IList' interface.")]
    public void SetTargetListTypeToNonListType()
    {
      ListFactoryObject lfo = new ListFactoryObject();
      lfo.TargetListType = typeof (ICollection);
    }

    [Test]
    [ExpectedException(typeof (ArgumentException), ExpectedMessage="The Type passed to the TargetListType property cannot be an interface; it must be a concrete class that implements the 'System.Collections.IList' interface.")]
    public void SetTargetListTypeToDerivedIListInterfaceType()
    {
      ListFactoryObject lfo = new ListFactoryObject();
      lfo.TargetListType = typeof (IExtendedList);
    }

    [Test]
    [ExpectedException(typeof (ArgumentException), ExpectedMessage="The Type passed to the TargetListType property cannot be abstract (MustInherit in VisualBasic.NET); it must be a concrete class that implements the 'System.Collections.IList' interface.")]
    public void SetTargetListTypeToAbstractIListInterfaceType()
    {
      ListFactoryObject lfo = new ListFactoryObject();
      lfo.TargetListType = typeof (AbstractList);
    }

    private interface IExtendedList : IList
    {
    }

    private abstract class AbstractList : ArrayList
    {
    }

    [Test]
    [ExpectedException(typeof (ArgumentNullException))]
    public void SetTargetListTypeToNull()
    {
      ListFactoryObject lfo = new ListFactoryObject();
      lfo.TargetListType = null;
    }

    [Test]
    [ExpectedException(typeof (ArgumentException), ExpectedMessage="The 'SourceList' property cannot be null (Nothing in Visual Basic.NET).")]
    public void GetObjectWithoutSupplyingASourceList()
    {
      ListFactoryObject lfo = new ListFactoryObject();
      lfo.IsSingleton = false;
      lfo.GetObject();
    }

    [Test]
    public void ObjectTypeReallyIsIList()
    {
      Assert.AreEqual(typeof (IList), new ListFactoryObject().ObjectType);
    }

    [Test]
    public void GetObjectReallyDoesPopulateANewIListInstanceWithTheElementsOfTheSourceList()
    {
      // man, that has got to be my second longest ever test name :D ...
      IList source = new TestObject[]
        {
          new TestObject("Rick", 30),
          new TestObject("Mark", 35),
          new TestObject("Griffin", 21),
        };

      ListFactoryObject lfo = new ListFactoryObject();
      lfo.SourceList = source;
      lfo.AfterPropertiesSet();

      IList list = (IList) lfo.GetObject();
      Assert.IsNotNull(list);
      Assert.AreEqual(source.Count, list.Count);
      for (int i = 0; i < list.Count; ++i)
      {
        TestObject dude = (TestObject) list[i];
        TestObject originalDude = (TestObject) source[i];
        Assert.IsTrue(object.ReferenceEquals(dude, originalDude));
      }
    }
  }
}
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