Added other style changes

Tried to stay out of the 'examples' for the most part.

allergies/allergies_test.rb

@@ -50,18 +50,21 @@ def test_allergic_to_eggs_and_peanuts
   def test_allergic_to_lots_of_stuff
     skip
     allergies = Allergies.new(248)
-    assert_equal %w(strawberries tomatoes chocolate pollen cats), allergies.list
+    expected = %w(strawberries tomatoes chocolate pollen cats)
+    assert_equal expected, allergies.list
   end
 
   def test_allergic_to_everything
     skip
     allergies = Allergies.new(255)
-    assert_equal %w(eggs peanuts shellfish strawberries tomatoes chocolate pollen cats), allergies.list
+    expected = %w(eggs peanuts shellfish strawberries tomatoes chocolate pollen cats)
+    assert_equal expected, allergies.list
   end
 
   def test_ignore_non_allergen_score_parts
     skip
     allergies = Allergies.new(509)
-    assert_equal %w(eggs shellfish strawberries tomatoes chocolate pollen cats), allergies.list
+    expected = %w(eggs shellfish strawberries tomatoes chocolate pollen cats)
+    assert_equal expected, allergies.list
   end
 end

beer-song/beer_song_test.rb

@@ -11,37 +11,47 @@ def teardown
   end
 
   def test_a_typical_verse
-    expected = "8 bottles of beer on the wall, 8 bottles of beer.\nTake one down and pass it around, 7 bottles of beer on the wall.\n"
+    expected = "8 bottles of beer on the wall, 8 bottles of beer.\n" \
+      "Take one down and pass it around, 7 bottles of beer on the wall.\n"
     assert_equal expected, song.verse(8)
   end
 
   def test_another_typical_verse
     skip
-    expected = "3 bottles of beer on the wall, 3 bottles of beer.\nTake one down and pass it around, 2 bottles of beer on the wall.\n"
+    expected = "3 bottles of beer on the wall, 3 bottles of beer.\n" \
+      "Take one down and pass it around, 2 bottles of beer on the wall.\n"
     assert_equal expected, song.verse(3)
   end
 
   def test_verse_1
     skip
-    expected = "1 bottle of beer on the wall, 1 bottle of beer.\nTake it down and pass it around, no more bottles of beer on the wall.\n"
+    expected = "1 bottle of beer on the wall, 1 bottle of beer.\n" \
+      "Take it down and pass it around, no more bottles of beer on the wall.\n"
     assert_equal expected, song.verse(1)
   end
 
   def test_verse_2
     skip
-    expected = "2 bottles of beer on the wall, 2 bottles of beer.\nTake one down and pass it around, 1 bottle of beer on the wall.\n"
+    expected = "2 bottles of beer on the wall, 2 bottles of beer.\n" \
+      "Take one down and pass it around, 1 bottle of beer on the wall.\n"
     assert_equal expected, song.verse(2)
   end
 
   def test_verse_0
     skip
-    expected = "No more bottles of beer on the wall, no more bottles of beer.\nGo to the store and buy some more, 99 bottles of beer on the wall.\n"
+    expected = "No more bottles of beer on the wall, no more bottles of beer.\n" \
+      "Go to the store and buy some more, 99 bottles of beer on the wall.\n"
     assert_equal expected, song.verse(0)
   end
 
   def test_several_verses
     skip
-    expected = "8 bottles of beer on the wall, 8 bottles of beer.\nTake one down and pass it around, 7 bottles of beer on the wall.\n\n7 bottles of beer on the wall, 7 bottles of beer.\nTake one down and pass it around, 6 bottles of beer on the wall.\n\n6 bottles of beer on the wall, 6 bottles of beer.\nTake one down and pass it around, 5 bottles of beer on the wall.\n\n"
+    expected = "8 bottles of beer on the wall, 8 bottles of beer.\n" \
+      "Take one down and pass it around, 7 bottles of beer on the wall.\n\n" \
+      "7 bottles of beer on the wall, 7 bottles of beer.\n" \
+      "Take one down and pass it around, 6 bottles of beer on the wall.\n\n" \
+      "6 bottles of beer on the wall, 6 bottles of beer.\n" \
+      "Take one down and pass it around, 5 bottles of beer on the wall.\n\n"
     assert_equal expected, song.verses(8, 6)
   end
 

crypto-square/crypto_square_test.rb

@@ -46,7 +46,8 @@ def test_size_is_determined_by_normalized_plaintext
   def test_plaintext_segments
     skip
     crypto = Crypto.new('Never vex thine heart with idle woes')
-    assert_equal %w(neverv exthin eheart withid lewoes), crypto.plaintext_segments
+    expected = %w(neverv exthin eheart withid lewoes)
+    assert_equal expected, crypto.plaintext_segments
   end
 
   def test_other_plaintext_segments
@@ -82,13 +83,15 @@ def test_normalized_ciphertext_spills_into_short_segment
   def test_another_normalized_ciphertext
     skip
     crypto = Crypto.new('If man was meant to stay on the ground god would have given us roots')
-    assert_equal 'imtgdvs fearwer mayoogo anouuio ntnnlvt wttddes aohghns seoau', crypto.normalize_ciphertext
+    expected = 'imtgdvs fearwer mayoogo anouuio ntnnlvt wttddes aohghns seoau'
+    assert_equal expected, crypto.normalize_ciphertext
   end
 
   def test_normalized_ciphertext_with_punctuation
     skip
     crypto = Crypto.new('Have a nice day. Feed the dog & chill out!')
-    assert_equal 'hifei acedl veeol eddgo aatcu nyhht', crypto.normalize_ciphertext
+    expected = 'hifei acedl veeol eddgo aatcu nyhht'
+    assert_equal expected, crypto.normalize_ciphertext
   end
 
   def test_normalized_ciphertext_when_just_less_then_a_full_square

largest-series-product/example.rb

@@ -7,10 +7,7 @@ def initialize(numeric_string)
   end
 
   def largest_product(length)
-    if length > digits.length
-      fail ArgumentError.new('Not enough digits')
-    end
-
+    fail ArgumentError.new('Not enough digits') if length > digits.length
     products = []
     slices(length).each do |slice|
       products << slice.inject(1) do |product, n|

largest-series-product/largest_series_product_test.rb

@@ -1,7 +1,7 @@
 require 'minitest/autorun'
 require_relative 'series'
 
-class SeriesTest < MiniTest::Unit::TestCase
+class Seriestest < Minitest::Unit::TestCase
   def test_digits
     assert_equal (0..9).to_a, Series.new('0123456789').digits
   end

leap/leap_test.rb

@@ -4,7 +4,7 @@
 
 class Date
   def leap?
-    throw "Try to implement this yourself instead of using Ruby's implementation."
+    throw "Implement this yourself instead of using Ruby's implementation."
   end
 
   alias_method :gregorian_leap?, :leap?