ModelBuilder.UnitTests.DefaultExecuteStrategyTests.CreateWithThrowsExceptionWhenGeneratingValueFailsTest C# (CSharp) Method

        public void CreateWithThrowsExceptionWhenGeneratingValueFailsTest()
        {
            var person = new Person();
            var generators = new List<IValueGenerator>();
            var creators = new List<ITypeCreator>();

            var valueGenerator = Substitute.For<IValueGenerator>();
            var typeCreator = Substitute.For<ITypeCreator>();
            var buildStrategy = Substitute.For<IBuildStrategy>();

            generators.Add(valueGenerator);
            creators.Add(typeCreator);

            typeCreator.CanCreate(typeof(Person), null, Arg.Any<LinkedList<object>>()).Returns(true);
            typeCreator.Create(typeof(Person), null, null, null).Returns(person);
            valueGenerator.IsSupported(Arg.Any<Type>(), Arg.Any<string>(), Arg.Any<LinkedList<object>>()).Returns(true);
            valueGenerator.Generate(Arg.Any<Type>(), Arg.Any<string>(), Arg.Any<LinkedList<object>>())
                .Throws(new InvalidOperationException());
            buildStrategy.TypeCreators.Returns(creators.AsReadOnly());
            buildStrategy.ValueGenerators.Returns(generators.AsReadOnly());

            var target = new DefaultExecuteStrategy();

            target.Initialize(buildStrategy, buildStrategy.GetBuildLog());

            Action action = () => target.CreateWith(typeof(Person));

            var exception =
                action.ShouldThrow<BuildException>().Where(x => x.Message != null).Where(x => x.BuildLog != null).Which;

            _output.WriteLine(exception.Message);
        }