/// <summary>
/// Method allowing to retrieve the <see cref="IFeatureFixtureRunner"/> instance allowing to define and execute scenarios.
/// This method is dedicated for projects extending LightBDD with user friendly API for running scenarios - it should not be used directly by regular LightBDD users.
/// </summary>
/// <typeparam name="TContext">Bdd runner context type.</typeparam>
/// <param name="runner">Bdd runner.</param>
/// <returns>Instance of <see cref="IFeatureFixtureRunner"/>.</returns>
/// <exception cref="NotSupportedException">Thrown if <paramref name="runner"/> does not implement <see cref="IFeatureFixtureRunner"/>.</exception>
public static IFeatureFixtureRunner Integrate <TContext>(this IBddRunner <TContext> runner)
{
if (runner == null)
{
throw new ArgumentNullException(nameof(runner));
}
if (!(runner is IFeatureFixtureRunner))
{
throw new NotSupportedException($"The type '{runner.GetType().Name}' has to implement '{nameof(IFeatureFixtureRunner)}' interface to support integration.");
}
return((IFeatureFixtureRunner)runner);
}