2016: Formatting

2016/test/day01_test.rb

@@ -9,64 +9,46 @@ class Directions
   SOUTH = 3
   WEST = 4
 
-  def self.turn_right(direction) # rubocop:disable Metrics/MethodLength
+  def self.turn_right(direction)
     case direction
-    when NORTH
-      EAST
-    when EAST
-      SOUTH
-    when SOUTH
-      WEST
-    when WEST
-      NORTH
-    else
-      raise('invalid value')
+    when NORTH then EAST
+    when EAST then SOUTH
+    when SOUTH then WEST
+    when WEST then NORTH
+    else raise('invalid value')
     end
   end
 
-  def self.turn_left(direction) # rubocop:disable Metrics/MethodLength
+  def self.turn_left(direction)
     case direction
-    when NORTH
-      WEST
-    when WEST
-      SOUTH
-    when SOUTH
-      EAST
-    when EAST
-      NORTH
-    else
-      raise('invalid value')
+    when NORTH then WEST
+    when WEST then SOUTH
+    when SOUTH then EAST
+    when EAST then NORTH
+    else raise('invalid value')
     end
   end
 end
 
-describe 'day01' do # rubocop:disable Metrics/BlockLength
-  it 'solves part 01' do # rubocop:disable Metrics/BlockLength
+describe 'day01' do
+  it 'solves part 01' do
     steps = Util.read_input('day01-input.txt').first.split(', ')
 
     result = steps.reduce [Directions::NORTH, [0, 0]] do |acc, it|
       direction =
         case it[0]
-        when 'R'
-          Directions.turn_right(acc[0])
-        when 'L'
-          Directions.turn_left(acc[0])
-        else
-          raise('invalid value')
+        when 'R' then Directions.turn_right(acc[0])
+        when 'L'then Directions.turn_left(acc[0])
+        else raise('invalid value')
         end
 
       step_numbers = it[1..].to_i
       case direction
-      when Directions::NORTH
-        [direction, [acc[1][0] + step_numbers, acc[1][1]]]
-      when Directions::EAST
-        [direction, [acc[1][0], acc[1][1] + step_numbers]]
-      when Directions::SOUTH
-        [direction, [acc[1][0] - step_numbers, acc[1][1]]]
-      when Directions::WEST
-        [direction, [acc[1][0], acc[1][1] - step_numbers]]
-      else
-        raise('invalid value')
+      when Directions::NORTH then [direction, [acc[1][0] + step_numbers, acc[1][1]]]
+      when Directions::EAST then [direction, [acc[1][0], acc[1][1] + step_numbers]]
+      when Directions::SOUTH then [direction, [acc[1][0] - step_numbers, acc[1][1]]]
+      when Directions::WEST then [direction, [acc[1][0], acc[1][1] - step_numbers]]
+      else raise('invalid value')
       end
     end