public void Instance_Always_ReturnsFactory()
{
// Call
IBalancedFieldLengthKernelFactory factory = BalancedFieldLengthKernelFactory.Instance;
// Assert
Assert.That(factory, Is.TypeOf <BalancedFieldLengthKernelFactory>());
}
public void Instance_Always_ReturnsSameInstance()
{
// Call
IBalancedFieldLengthKernelFactory firstFactory = BalancedFieldLengthKernelFactory.Instance;
IBalancedFieldLengthKernelFactory secondFactory = BalancedFieldLengthKernelFactory.Instance;
// Assert
Assert.That(firstFactory, Is.SameAs(secondFactory));
}
/// <summary>
/// Creates a new instance of <see cref="BalancedFieldLengthKernelFactoryConfig"/> with a
/// specific <see cref="IBalancedFieldLengthKernelFactory"/>.
/// </summary>
/// <param name="testFactory">The <see cref="IBalancedFieldLengthKernelFactory"/>
/// to set the <see cref="BalancedFieldLengthKernelFactory.Instance"/> with.</param>
/// <exception cref="ArgumentNullException">Thrown when <paramref name="testFactory"/>
/// is <c>null</c>.</exception>
public BalancedFieldLengthKernelFactoryConfig(IBalancedFieldLengthKernelFactory testFactory)
{
if (testFactory == null)
{
throw new ArgumentNullException(nameof(testFactory));
}
originalInstance = BalancedFieldLengthKernelFactory.Instance;
BalancedFieldLengthKernelFactory.Instance = testFactory;
}
public void CreateDistanceCalculatorKernel_Always_ReturnsKernel()
{
// Setup
IBalancedFieldLengthKernelFactory factory = BalancedFieldLengthKernelFactory.Instance;
// Call
IAggregatedDistanceCalculatorKernel kernel = factory.CreateDistanceCalculatorKernel();
// Assert
Assert.That(kernel, Is.TypeOf <AggregatedDistanceCalculatorKernel>());
}
public void Constructor_Always_SetsInstanceOfKernelFactory()
{
// Setup
var testFactory = Substitute.For <IBalancedFieldLengthKernelFactory>();
using (new BalancedFieldLengthKernelFactoryConfig(testFactory))
{
// Call
IBalancedFieldLengthKernelFactory instance = BalancedFieldLengthKernelFactory.Instance;
// Assert
Assert.That(instance, Is.SameAs(testFactory));
}
}
public void GivenConfigWithTestFactory_WhenDisposing_ThenOriginalInstanceRestored()
{
// Given
IBalancedFieldLengthKernelFactory originalInstance = BalancedFieldLengthKernelFactory.Instance;
var testFactory = Substitute.For <IBalancedFieldLengthKernelFactory>();
var config = new BalancedFieldLengthKernelFactoryConfig(testFactory);
// Precondition
Assert.That(BalancedFieldLengthKernelFactory.Instance, Is.SameAs(testFactory));
// When
config.Dispose();
// Then
Assert.That(BalancedFieldLengthKernelFactory.Instance, Is.SameAs(originalInstance));
}
