8dc15e8515
git-svn-id: file:///srv/devel/repo-conversion/nusu@114 d2e56fa2-650e-0410-a79f-9358c0239efd
127 lines
4 KiB
C#
127 lines
4 KiB
C#
#region CPL License
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/*
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Nuclex Framework
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Copyright (C) 2002-2009 Nuclex Development Labs
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This library is free software; you can redistribute it and/or
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modify it under the terms of the IBM Common Public License as
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published by the IBM Corporation; either version 1.0 of the
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License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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IBM Common Public License for more details.
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You should have received a copy of the IBM Common Public
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License along with this library
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*/
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#endregion
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using System;
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using System.IO;
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#if UNITTEST
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using NUnit.Framework;
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namespace Nuclex.Support.Plugins {
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/// <summary>Unit Test for the factory employer class</summary>
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[TestFixture]
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public class FactoryEmployerTest {
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#region class Base
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/// <summary>
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/// Abstract base class to serve as abstract product for testing the factory employer
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/// </summary>
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private abstract class Base { }
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#endregion // class Base
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#region class Derived
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/// <summary>
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/// Class derived from the abstract base to serve as concrete product for
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/// testing the factory employer
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/// </summary>
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private class Derived : Base { }
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#endregion // class Derived
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#region class Unrelated
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/// <summary>Unrelated class used to test the factory employer</summary>
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private class Unrelated { }
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#endregion // class Unrelated
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/// <summary>
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/// Tests whether the factory employer can detect employable types
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/// </summary>
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[Test]
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public void TestCanEmploy() {
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FactoryEmployer<Base> testEmployer = new FactoryEmployer<Base>();
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Assert.IsFalse(testEmployer.CanEmploy(typeof(Base)));
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Assert.IsTrue(testEmployer.CanEmploy(typeof(Derived)));
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Assert.IsFalse(testEmployer.CanEmploy(typeof(Unrelated)));
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}
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/// <summary>
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/// Tests whether the factory employer throws an exception when it is asked to
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/// employ an abstract class
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/// </summary>
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[Test, ExpectedException(typeof(MissingMethodException))]
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public void TestThrowOnEmployAbstractClass() {
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FactoryEmployer<Base> testEmployer = new FactoryEmployer<Base>();
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testEmployer.Employ(typeof(Base));
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}
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/// <summary>
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/// Tests whether the factory employer throws an exception when it is asked to
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/// employ a class that is not the product type or a derivative thereof
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/// </summary>
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[Test, ExpectedException(typeof(InvalidCastException))]
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public void TestThrowOnEmployUnrelatedClass() {
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FactoryEmployer<Base> testEmployer = new FactoryEmployer<Base>();
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testEmployer.Employ(typeof(Unrelated));
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}
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/// <summary>
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/// Tests whether the factory employer can employ a class derived from the product
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/// </summary>
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[Test]
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public void TestEmployClassDerivedFromProduct() {
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FactoryEmployer<Base> testEmployer = new FactoryEmployer<Base>();
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testEmployer.Employ(typeof(Derived));
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Assert.AreEqual(1, testEmployer.Factories.Count);
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Assert.AreEqual(typeof(Derived), testEmployer.Factories[0].ConcreteType);
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Assert.IsInstanceOf<Derived>(testEmployer.Factories[0].CreateInstance());
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}
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/// <summary>
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/// Tests whether the factory employer can employ the product class itself if it
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/// isn't abstract
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/// </summary>
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[Test]
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public void TestEmployProduct() {
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FactoryEmployer<Unrelated> testEmployer = new FactoryEmployer<Unrelated>();
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testEmployer.Employ(typeof(Unrelated));
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Assert.AreEqual(1, testEmployer.Factories.Count);
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Assert.AreEqual(typeof(Unrelated), testEmployer.Factories[0].ConcreteType);
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Assert.IsInstanceOf<Unrelated>(testEmployer.Factories[0].CreateInstance());
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}
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}
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} // namespace Nuclex.Support.Plugins
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#endif // UNITTEST
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