fix a few more rubocop offenses

.rubocop.yml

@@ -5,6 +5,11 @@ AllCops:
     - 'performance/shopify/*'
     - 'pkg/**'
 
+Metrics/BlockNesting:
+  Max: 3
+  Exclude:
+    - 'lib/liquid/block_body.rb'
+
 Lint/AssignmentInCondition:
   Enabled: false
 
@@ -26,6 +31,9 @@ Lint/EndAlignment:
 Style/SingleLineBlockParams:
   Enabled: false
 
+Style/DoubleNegation:
+  Enabled: false
+
 Style/StringLiteralsInInterpolation:
   Enabled: false
 

.rubocop_todo.yml

@@ -1,5 +1,5 @@
 # This configuration was generated by `rubocop --auto-gen-config`
-# on 2015-06-04 12:55:39 -0400 using RuboCop version 0.31.0.
+# on 2015-06-04 13:07:29 -0400 using RuboCop version 0.31.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -10,22 +10,10 @@
 Lint/UnusedMethodArgument:
   Enabled: false
 
-# Offense count: 1
-Lint/UselessAccessModifier:
-  Enabled: false
-
-# Offense count: 6
-Lint/UselessAssignment:
-  Enabled: false
-
 # Offense count: 51
 Metrics/AbcSize:
   Max: 58
 
-# Offense count: 2
-Metrics/BlockNesting:
-  Max: 6
-
 # Offense count: 16
 # Configuration parameters: CountComments.
 Metrics/ClassLength:
@@ -48,7 +36,7 @@ Metrics/MethodLength:
 # Offense count: 1
 # Configuration parameters: CountComments.
 Metrics/ModuleLength:
-  Max: 235
+  Max: 234
 
 # Offense count: 6
 Metrics/PerceivedComplexity:
@@ -58,8 +46,9 @@ Metrics/PerceivedComplexity:
 Style/AccessorMethodName:
   Enabled: false
 
-# Offense count: 2
-Style/DoubleNegation:
+# Offense count: 1
+# Cop supports --auto-correct.
+Style/ClosingParenthesisIndentation:
   Enabled: false
 
 # Offense count: 3
@@ -76,7 +65,7 @@ Style/MethodName:
 Style/MultilineBlockChain:
   Enabled: false
 
-# Offense count: 3
+# Offense count: 2
 # Configuration parameters: EnforcedStyle, MinBodyLength, SupportedStyles.
 Style/Next:
   Enabled: false
@@ -86,12 +75,14 @@ Style/Next:
 Style/PredicateName:
   Enabled: false
 
-# Offense count: 1
-Style/RescueModifier:
-  Enabled: false
-
 # Offense count: 7
 # Cop supports --auto-correct.
 # Configuration parameters: AllowAsExpressionSeparator.
 Style/Semicolon:
   Enabled: false
+
+# Offense count: 1
+# Cop supports --auto-correct.
+# Configuration parameters: MaxLineLength.
+Style/WhileUntilModifier:
+  Enabled: false

lib/liquid/block.rb

@@ -7,7 +7,7 @@ module Liquid
 
     def parse(tokens)
       @body = BlockBody.new
-      while more = parse_body(@body, tokens)
+      while parse_body(@body, tokens)
       end
     end
 

lib/liquid/drop.rb

@@ -57,8 +57,6 @@ module Liquid
 
     alias_method :[], :invoke_drop
 
-    private
-
     # Check for method existence without invoking respond_to?, which creates symbols
     def self.invokable?(method_name)
       invokable_methods.include?(method_name.to_s)

lib/liquid/standardfilters.rb

@@ -138,7 +138,6 @@ module Liquid
     # Remove duplicate elements from an array
     # provide optional property with which to determine uniqueness
     def uniq(input, property = nil)
-      ary = InputIterator.new(input)
       if property.nil?
         input.uniq
       elsif input.first.respond_to?(:[])

lib/liquid/tags/case.rb

@@ -16,7 +16,7 @@ module Liquid
 
     def parse(tokens)
       body = BlockBody.new
-      while more = parse_body(body, tokens)
+      while parse_body(body, tokens)
         body = @blocks.last.attachment
       end
     end

lib/liquid/variable.rb

@@ -41,11 +41,10 @@ module Liquid
       if filter_markup =~ /#{FilterSeparator}\s*(.*)/om
         filters = $1.scan(FilterParser)
         filters.each do |f|
-          if f =~ /\w+/
-            filtername = Regexp.last_match(0)
-            filterargs = f.scan(/(?:#{FilterArgumentSeparator}|#{ArgumentSeparator})\s*((?:\w+\s*\:\s*)?#{QuotedFragment})/o).flatten
-            @filters << parse_filter_expressions(filtername, filterargs)
-          end
+          next unless f =~ /\w+/
+          filtername = Regexp.last_match(0)
+          filterargs = f.scan(/(?:#{FilterArgumentSeparator}|#{ArgumentSeparator})\s*((?:\w+\s*\:\s*)?#{QuotedFragment})/o).flatten
+          @filters << parse_filter_expressions(filtername, filterargs)
         end
       end
     end
@@ -74,7 +73,7 @@ module Liquid
     def render(context)
       @filters.inject(context.evaluate(@name)) do |output, (filter_name, filter_args, filter_kwargs)|
         filter_args = evaluate_filter_expressions(context, filter_args, filter_kwargs)
-        output = context.invoke(filter_name, output, *filter_args)
+        context.invoke(filter_name, output, *filter_args)
       end.tap{ |obj| taint_check(obj) }
     end
 

performance/profile.rb

@@ -1,4 +1,4 @@
-require 'stackprof' rescue fail("install stackprof extension/gem")
+require 'stackprof'
 require_relative 'theme_runner'
 
 Liquid::Template.error_mode = ARGV.first.to_sym if ARGV.first

test/integration/error_handling_test.rb

@@ -83,15 +83,15 @@ class ErrorHandlingTest < Minitest::Test
 
   def test_with_line_numbers_adds_numbers_to_parser_errors
     err = assert_raises(SyntaxError) do
-      template = Liquid::Template.parse(%q(
+      Liquid::Template.parse(%q(
           foobar
 
           {% "cat" | foobar %}
 
           bla
-                ),
+        ),
         line_numbers: true
-                                       )
+      )
     end
 
     assert_match /Liquid syntax error \(line 4\)/, err.message

test/unit/context_unit_test.rb

@@ -453,7 +453,6 @@ class ContextUnitTest < Minitest::Test
   def test_use_empty_instead_of_any_in_interrupt_handling_to_avoid_lots_of_unnecessary_object_allocations
     mock_any = Spy.on_instance_method(Array, :any?)
     mock_empty = Spy.on_instance_method(Array, :empty?)
-    mock_has_interrupt = Spy.on(@context, :has_interrupt?).and_call_through
 
     @context.has_interrupt?