Trilogy Challenge: FooBar (FizzBuzz)

foobar.rb

tests = [
	{
			:data => 1,
			:expect => 1
	},
	{
			:data => 2,
			:expect => 2
	},
	{
		:data => 3,
		:expect => "foo"
	},
	{
		:data => 6,
		:expect => "foo"
	},

	{
		:data => 5,
		:expect => "bar"
	},
	{
		:data => 10,
		:expect => "bar"
	},
	{
		:data => 15,
		:expect => "foobar",
	}
]

def foo_or_bar(n)
	return "foobar" if n % 5 == 0 and n % 3 == 0
	return "bar" if n % 5 == 0
	return "foo" if n % 3 == 0
	return n
end
tests.each do |test|
	if foo_or_bar(test[:data]) != test[:expect] then
			puts "#{test[:data]} FAILED"
	else
			puts "PASSED"
	end
end
while true do
	print "How many? "
	iterations = gets.chomp
	if iterations.downcase == 'q' then
		exit
	end
	(iterations.to_i).times do |i|
		puts foo_or_bar(i + 1)
	end
end