public void TestThrowOnEmployGenericClass()
{
FactoryEmployer <Base> testEmployer = new FactoryEmployer <Base>();
Assert.Throws <ArgumentException>(
delegate() { testEmployer.Employ(typeof(GenericDerived <>)); }
);
}
public void TestThrowOnEmployUnrelatedClass()
{
FactoryEmployer <Base> testEmployer = new FactoryEmployer <Base>();
Assert.Throws <InvalidCastException>(
delegate() { testEmployer.Employ(typeof(Unrelated)); }
);
}
public void TestThrowOnEmployAbstractClass()
{
FactoryEmployer <Base> testEmployer = new FactoryEmployer <Base>();
Assert.Throws <MissingMethodException>(
delegate() { testEmployer.Employ(typeof(Base)); }
);
}
public void TestEmployProduct()
{
FactoryEmployer <Unrelated> testEmployer = new FactoryEmployer <Unrelated>();
testEmployer.Employ(typeof(Unrelated));
Assert.AreEqual(1, testEmployer.Factories.Count);
Assert.IsInstanceOf <Unrelated>(testEmployer.Factories[0].CreateInstance());
}
public void TestEmployClassDerivedFromProduct()
{
FactoryEmployer <Base> testEmployer = new FactoryEmployer <Base>();
testEmployer.Employ(typeof(Derived));
Assert.AreEqual(1, testEmployer.Factories.Count);
Assert.IsInstanceOf <Derived>(testEmployer.Factories[0].CreateInstance());
}
public void TestNonGenericCreateInstance()
{
FactoryEmployer <Base> testEmployer = new FactoryEmployer <Base>();
testEmployer.Employ(typeof(Derived));
Assert.That(testEmployer.Factories.Count, Is.AtLeast(1));
IAbstractFactory factory = testEmployer.Factories[0] as IAbstractFactory;
Assert.IsNotNull(factory);
Assert.IsInstanceOf <Derived>(factory.CreateInstance());
}