first commit

Author: parasquid

20130621-fibonacci/.rspec

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+-I. --color

20130621-fibonacci/Gemfile

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+source 'https://rubygems.org'
+gem 'rspec'
+gem 'rspec-given'

20130621-fibonacci/Gemfile.lock

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+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.2.4)
+    rspec (2.13.0)
+      rspec-core (~> 2.13.0)
+      rspec-expectations (~> 2.13.0)
+      rspec-mocks (~> 2.13.0)
+    rspec-core (2.13.1)
+    rspec-expectations (2.13.0)
+      diff-lcs (>= 1.1.3, < 2.0)
+    rspec-given (2.4.3)
+      rspec (>= 2.12)
+      sorcerer (>= 0.3.7)
+    rspec-mocks (2.13.1)
+    sorcerer (0.3.10)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rspec
+  rspec-given

20130621-fibonacci/Rakefile

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+#!/usr/bin/env ruby
+
+require 'rake/clean'
+require 'rake/testtask'
+
+task :default => :spec
+
+task :spec do
+  sh "rspec ."
+end

20130621-fibonacci/fibonacci_generator.rb

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+class FibonacciGenerator
+  def generate(n)
+  end
+end

20130621-fibonacci/fibonacci_generator_spec.rb

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+require 'rspec/given'
+require 'fibonacci_generator'
+
+# http://en.wikipedia.org/wiki/Fibonacci_number
+describe FibonacciGenerator do
+  Given(:generator) { FibonacciGenerator.new }
+
+  def generate(n)
+    generator.generate(n)
+  end
+
+  context 'with the default 0 and 1 as the first and second values of the sequence' do
+    Then { pending; expect(generate(0)).to eq(0) }
+    Then { pending; expect(generate(1)).to eq(1) }
+    Then { pending; expect(generate(2)).to eq(1) }
+    Then { pending; expect(generate(3)).to eq(2) }
+    Then { pending; expect(generate(4)).to eq(3) }
+    Then { pending; expect(generate(12)).to eq(144) }
+  end
+
+  context 'with 0 and 4 as the first and second values of the sequence' do
+    Then { pending; expect(generate(0)).to eq(0) }
+    Then { pending; expect(generate(1)).to eq(4) }
+    Then { pending; expect(generate(2)).to eq(4) }
+    Then { pending; expect(generate(3)).to eq(8) }
+    Then { pending; expect(generate(4)).to eq(12) }
+  end
+
+  context 'for bonus points' do
+    it 'returns the full sequence of numbers in an array when given a switch'
+    it 'calculates a fibonacci prime series' # see http://en.wikipedia.org/wiki/Fibonacci_prime
+    it 'returns true when given a number that is part of the default fibonacci sequence'
+    it 'returns false when given a number that is not part of the default fibonacci sequence'
+    it 'returns true when given an array that is part of the default fibonacci sequence'
+    it 'returns false when given an array that is not part of the default fibonacci sequence'
+  end
+
+end