public void Each_fibonacci_number_is_the_sum_of_its_last_2_predecessors()
{
/*
* Select all result sequences with at least 3 elements
*/
var sequences = Scenario
.Messages
.ForActionCalls("/fibonacci")
.Select(x => x.ResultMessage.Value.Result <FibonacciResult>()?.Sequence)
.Where(x => x != null && x.Count() > 2);
foreach (var sequence in sequences)
{
var expectedFibonacciSequence = Fibonacci.CalculateSequence(sequence.Count());
sequence.Should().BeEquivalentTo(expectedFibonacciSequence);
}
}
public void All_feedback_messages_contain_a_valid_fibonacci_sequence()
{
/*
* Select all feedback sequences
*/
var sequences = Scenario
.Messages
.ForActionCalls("/fibonacci")
.SelectMany(x => x.FeedbackMessages)
.Select(f => f?.Value.Feedback <FibonacciFeedback>()?.Sequence)
.Where(x => x != null);
foreach (var sequence in sequences)
{
var expectedFibonacciSequence = Fibonacci.CalculateSequence(sequence.Count());
sequence.Should().BeEquivalentTo(expectedFibonacciSequence);
}
}
public void All_results_contain_valid_fibonacci_sequences()
{
/*
* This is an alternative to the 3 tests before.
* It checks if all result sequences represent a valid fibonacci row.
*/
//Select all result sequences
var sequences = Scenario
.Messages
.ForActionCalls("/fibonacci")
.Select(x => x.ResultMessage.Value.Result <FibonacciResult>()?.Sequence)
.Where(x => x != null);
foreach (var sequence in sequences)
{
var expectedFibonacciSequence = Fibonacci.CalculateSequence(sequence.Count());
sequence.Should().BeEquivalentTo(expectedFibonacciSequence);
}
}
public void Every_feedback_message_adds_a_new_number_to_the_sequence()
{
var actionFeedbacks = Scenario
.Messages
.ForActionCalls("/fibonacci")
.Select(x => x.FeedbackMessages?
.Select(f => f.Value.Feedback <FibonacciFeedback>().Sequence))
.Where(x => x != null && x.Any());
foreach (var actionFeedback in actionFeedbacks)
{
for (var i = 0; i < actionFeedback.Count(); i++)
{
var expectedCount = i + 3;
var expectedSequence = Fibonacci.CalculateSequence(expectedCount);
var feedback = actionFeedback.Skip(i).First();
feedback.Should().HaveCount(expectedCount);
feedback.Should().BeEquivalentTo(expectedSequence);
}
}
}
