Kata 8/23 Fibonacci Tests

require "test/unit"
require 'fibonacci'

class FibonacciTest < Test::Unit::TestCase

  def test_fibonacci_impossibility
    assert_raise(ArgumentError) { Fibonacci.get_sequence(-1) }
  end

  def test_fibonacci_sequence
    assert_fibonacci_sequence([], 0)
    assert_fibonacci_sequence([1], 1)
    assert_fibonacci_sequence([1, 1], 2)
    assert_fibonacci_sequence([1, 1, 2], 3)
    assert_fibonacci_sequence([1, 1, 2, 3], 4)
    assert_fibonacci_sequence([1, 1, 2, 3, 5], 5)
    assert_fibonacci_sequence([1, 1, 2, 3, 5, 8], 6)
  end

  def assert_fibonacci_sequence(act, num)
    assert_equal(act, Fibonacci.get_sequence(num))
  end
end