Merge pull request #97 from monkbroc/acronym

Added acronym problem

Author: kytrinyx

acronym/acronym_test.rb

@@ -0,0 +1,33 @@
+require 'minitest/autorun'
+require_relative 'acronym'
+
+class AcronymTest < Minitest::Test
+  def test_png
+    assert_equal 'PNG', Acronym.abbreviate('Portable Network Graphics')
+  end
+
+  def test_ruby_on_rails
+    skip
+    assert_equal 'ROR', Acronym.abbreviate('Ruby on Rails')
+  end
+
+  def test_html
+    skip
+    assert_equal 'HTML', Acronym.abbreviate('HyperText Markup Language')
+  end
+
+  def test_fifo
+    skip
+    assert_equal 'FIFO', Acronym.abbreviate('First In, First Out')
+  end
+
+  def test_php
+    skip
+    assert_equal 'PHP', Acronym.abbreviate('PHP: Hypertext Preprocessor')
+  end
+
+  def test_cmos
+    skip
+    assert_equal 'CMOS', Acronym.abbreviate('Complementary metal-oxide semiconductor')
+  end
+end

acronym/example.rb

@@ -0,0 +1,15 @@
+class Acronym
+  def self.abbreviate(phrase)
+    [].tap do |letters|
+      each_word(phrase) do |word|
+        letters << word[0].upcase
+      end
+    end.join
+  end
+
+  def self.each_word(phrase)
+    phrase.scan(/[A-Z]+[a-z]*|[a-z]+/) do |word|
+      yield word
+    end
+  end
+end

config.json

@@ -8,6 +8,7 @@
     "gigasecond",
     "rna-transcription",
     "raindrops",
+    "acronym",
     "difference-of-squares",
     "roman-numerals",
     "robot-name",