Merge pull request #459 from Insti/alliesauce-isogram-completed

Add isogram

Author: kotp

config.json

@@ -84,7 +84,8 @@
     "connect",
     "list-ops",
     "diamond",
-    "all-your-base"
+    "all-your-base",
+    "isogram"
   ],
   "exercises": [
     {
@@ -566,6 +567,12 @@
       "difficulty": 1,
       "topics": [
       ]
+    },
+    {
+      "slug": "isogram",
+      "difficulty": 1,
+      "topics": [
+      ]
     }
   ],
   "deprecated": [

exercises/isogram/.version

@@ -0,0 +1 @@
+1

exercises/isogram/example.rb

@@ -0,0 +1,10 @@
+module BookKeeping
+  VERSION = 1
+end
+
+class Isogram
+  def self.is_isogram?(str)
+    letters = str.downcase.gsub(/[[:punct:]]| /, '').chars
+    letters == letters.uniq
+  end
+end

exercises/isogram/example.tt

@@ -0,0 +1,20 @@
+#!/usr/bin/env ruby
+# encoding: utf-8
+gem 'minitest', '>= 5.0.0'
+require 'minitest/autorun'
+require_relative 'isogram'
+
+# Common test data version: <%= sha1 %>
+class IsogramTest < Minitest::Test<% test_cases.each do |test_case| %>
+  def <%= test_case.name %>
+    <%= test_case.skip %>
+    string = '<%= test_case.input %>'
+    <%= test_case.assertion %> Isogram.is_isogram?(string)
+  end
+<% end %>
+<%= IO.read(XRUBY_LIB + '/bookkeeping.md') %>
+  def test_bookkeeping
+    skip
+    assert_equal <%= version.next %>, BookKeeping::VERSION
+  end
+end

exercises/isogram/isogram_test.rb

@@ -0,0 +1,90 @@
+#!/usr/bin/env ruby
+# encoding: utf-8
+gem 'minitest', '>= 5.0.0'
+require 'minitest/autorun'
+require_relative 'isogram'
+
+# Common test data version: 3dfde31
+class IsogramTest < Minitest::Test
+  def test_duplicates
+    
+    string = 'duplicates'
+    assert Isogram.is_isogram?(string)
+  end
+
+  def test_eleven
+    skip
+    string = 'eleven'
+    refute Isogram.is_isogram?(string)
+  end
+
+  def test_subdermatoglyphic
+    skip
+    string = 'subdermatoglyphic'
+    assert Isogram.is_isogram?(string)
+  end
+
+  def test_alphabet
+    skip
+    string = 'Alphabet'
+    refute Isogram.is_isogram?(string)
+  end
+
+  def test_thumbscrew_japingly
+    skip
+    string = 'thumbscrew-japingly'
+    assert Isogram.is_isogram?(string)
+  end
+
+  def test_hjelmqvist_gryb_zock_pfund_wax
+    skip
+    string = 'Hjelmqvist-Gryb-Zock-Pfund-Wax'
+    assert Isogram.is_isogram?(string)
+  end
+
+  def test_heizölrückstoßabdämpfung
+    skip
+    string = 'Heizölrückstoßabdämpfung'
+    assert Isogram.is_isogram?(string)
+  end
+
+  def test_the_quick_brown_fox
+    skip
+    string = 'the quick brown fox'
+    refute Isogram.is_isogram?(string)
+  end
+
+  def test_emily_jung_schwartzkopf
+    skip
+    string = 'Emily Jung Schwartzkopf'
+    assert Isogram.is_isogram?(string)
+  end
+
+  def test_éléphant
+    skip
+    string = 'éléphant'
+    refute Isogram.is_isogram?(string)
+  end
+
+  # Problems in exercism evolve over time, as we find better ways to ask
+  # questions.
+  # The version number refers to the version of the problem you solved,
+  # not your solution.
+  #
+  # Define a constant named VERSION inside of the top level BookKeeping
+  # module, which may be placed near the end of your file.
+  #
+  # In your file, it will look like this:
+  #
+  # module BookKeeping
+  #   VERSION = 1 # Where the version number matches the one in the test.
+  # end
+  #
+  # If you are curious, read more about constants on RubyDoc:
+  # http://ruby-doc.org/docs/ruby-doc-bundle/UsersGuide/rg/constants.html
+
+  def test_bookkeeping
+    skip
+    assert_equal 1, BookKeeping::VERSION
+  end
+end

lib/isogram_cases.rb

@@ -0,0 +1,24 @@
+class IsogramCase < OpenStruct
+
+  def name
+    format('test_%s', description)
+  end
+
+  def description
+    input.downcase.gsub(/[ -]/,'_')
+  end
+
+  def assertion
+    expected ? 'assert' : 'refute'
+  end
+
+  def skip
+    'skip' unless index.zero?
+  end
+end
+
+IsogramCases = proc do |data|
+  JSON.parse(data)['cases'].map.with_index do |row, i|
+    IsogramCase.new(row.merge('index' => i))
+  end
+end