Shopify stye guide fixes

.rubocop.yml

@@ -1,5 +1,5 @@
 inherit_from:
-  - 'https://shopify.github.io/ruby-style-guide/rubocop.yml'
+  - https://shopify.github.io/ruby-style-guide/rubocop.yml
   - .rubocop_todo.yml
 
 require: rubocop-performance
@@ -8,10 +8,9 @@ Performance:
   Enabled: true
 
 AllCops:
-  TargetRubyVersion: 2.4
   Exclude:
     - 'vendor/bundle/**/*'
-
+      
 Naming/MethodName:
   Exclude:
-    - 'example/server/liquid_servlet.rb'
+    - 'example/server/liquid_servlet.rb'

.travis.yml

@@ -7,6 +7,8 @@ rvm:
   - &latest_ruby 2.6
   - 2.7
   - ruby-head
+  - jruby-head
+  - truffleruby
 
 matrix:
   include:
@@ -15,6 +17,8 @@ matrix:
       name: Profiling Memory Usage
   allow_failures:
     - rvm: ruby-head
+    - rvm: jruby-head
+    - rvm: truffleruby
 
 branches:
   only:

lib/liquid/context.rb

@@ -219,16 +219,12 @@ module Liquid
     def try_variable_find_in_environments(key, raise_on_not_found:)
       @environments.each do |environment|
         found_variable = lookup_and_evaluate(environment, key, raise_on_not_found: raise_on_not_found)
-        Usage.increment("environment_has_a_default_proc") if environment.respond_to?(:default_proc) && environment.default_proc
-        Usage.increment("environment_has_key_but_is_nil") if environment.respond_to?(:key?) && environment.key?(key) && found_variable.nil?
         if !found_variable.nil? || @strict_variables && raise_on_not_found
           return found_variable
         end
       end
       @static_environments.each do |environment|
         found_variable = lookup_and_evaluate(environment, key, raise_on_not_found: raise_on_not_found)
-        Usage.increment("static_environment_has_a_default_proc") if environment.respond_to?(:default_proc) && environment.default_proc
-        Usage.increment("static_environment_has_key_but_is_nil") if environment.respond_to?(:key?) && environment.key?(key) && found_variable.nil?
         if !found_variable.nil? || @strict_variables && raise_on_not_found
           return found_variable
         end

lib/liquid/file_system.rb

@@ -59,7 +59,7 @@ module Liquid
     end
 
     def full_path(template_path)
-      raise FileSystemError, "Illegal template name '#{template_path}'" unless %r{\A[^./][a-zA-Z0-9_/]+\z}.match?(template_path)
+      raise FileSystemError, "Illegal template name '#{template_path}'" unless template_path =~ %r{\A[^./][a-zA-Z0-9_/]+\z}
 
       full_path = if template_path.include?('/')
         File.join(root, File.dirname(template_path), @pattern % File.basename(template_path))

lib/liquid/standardfilters.rb

@@ -423,6 +423,7 @@ module Liquid
 
     def default(input, default_value = '')
       if !input || input.respond_to?(:empty?) && input.empty?
+        Usage.increment("default_filter_received_false_value") if input == false # See https://github.com/Shopify/liquid/issues/1127
         default_value
       else
         input

lib/liquid/static_registers.rb

@@ -2,10 +2,10 @@
 
 module Liquid
   class StaticRegisters
-    attr_reader :static, :registers
+    attr_reader :static_registers, :registers
 
     def initialize(registers = {})
-      @static = registers.is_a?(StaticRegisters) ? registers.static : registers
+      @static_registers = registers.is_a?(StaticRegisters) ? registers.static_registers : registers.freeze
       @registers = {}
     end
 
@@ -17,7 +17,7 @@ module Liquid
       if @registers.key?(key)
         @registers[key]
       else
-        @static[key]
+        @static_registers[key]
       end
     end
 
@@ -30,7 +30,7 @@ module Liquid
     end
 
     def key?(key)
-      @registers.key?(key) || @static.key?(key)
+      @registers.key?(key) || @static_registers.key?(key)
     end
   end
 end

lib/liquid/tags/raw.rb

@@ -40,7 +40,7 @@ module Liquid
     protected
 
     def ensure_valid_markup(tag_name, markup, parse_context)
-      unless Syntax.match?(markup)
+      unless markup =~ Syntax
         raise SyntaxError, parse_context.locale.t("errors.syntax.tag_unexpected_args", tag: tag_name)
       end
     end

lib/liquid/utils.rb

@@ -52,7 +52,7 @@ module Liquid
       when Numeric
         obj
       when String
-        /\A-?\d+\.\d+\z/.match?(obj.strip) ? BigDecimal(obj) : obj.to_i
+        obj.strip =~ /\A-?\d+\.\d+\z/ ? BigDecimal(obj) : obj.to_i
       else
         if obj.respond_to?(:to_number)
           obj.to_number

test/unit/static_registers_unit_test.rb

@@ -82,7 +82,7 @@ class StaticRegistersUnitTest < Minitest::Test
     static_register["two"] = 4
     static_register[true] = "foo"
 
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, static_register.static)
+    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, static_register.static_registers)
     assert_equal({ nil => false, "two" => 4, true => "foo" }, static_register.registers)
 
     static_register
@@ -109,7 +109,7 @@ class StaticRegistersUnitTest < Minitest::Test
     assert_nil static_register.delete(:one)
 
     assert_equal({}, static_register.registers)
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, static_register.static)
+    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, static_register.static_registers)
   end
 
   def test_fetch_with_static
@@ -135,10 +135,10 @@ class StaticRegistersUnitTest < Minitest::Test
     assert_equal true, static_register.key?(true)
   end
 
-  def test_static_register_can_be_frozen
+  def test_static_register_frozen
     static_register = set_with_static
 
-    static = static_register.static.freeze
+    static = static_register.static_registers
 
     assert_raises(RuntimeError) do
       static["two"] = "foo"
@@ -176,9 +176,9 @@ class StaticRegistersUnitTest < Minitest::Test
     assert_equal({ "one" => 1, "two" => 2, "three" => 3 }, static_register.registers)
     assert_equal({ "one" => 4, "two" => 5, "three" => 6 }, new_register.registers)
     assert_equal({ "one" => 7, "two" => 8, "three" => 9 }, newest_register.registers)
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, static_register.static)
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, new_register.static)
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, newest_register.static)
+    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, static_register.static_registers)
+    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, new_register.static_registers)
+    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, newest_register.static_registers)
   end
 
   def test_multiple_instances_are_unique
@@ -204,45 +204,8 @@ class StaticRegistersUnitTest < Minitest::Test
     assert_equal({ "one" => 1, "two" => 2, "three" => 3 }, static_register.registers)
     assert_equal({ "one" => 4, "two" => 5, "three" => 6 }, new_register.registers)
     assert_equal({ "one" => 7, "two" => 8, "three" => 9 }, newest_register.registers)
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, static_register.static)
-    assert_equal({ foo: :bar }, new_register.static)
-    assert_equal({ bar: :foo }, newest_register.static)
-  end
-
-  def test_can_update_static_directly_and_updates_all_instances
-    static_register = StaticRegisters.new(nil => true, 1 => :one, :one => "one", "two" => 3, false => nil)
-    static_register["one"] = 1
-    static_register["two"] = 2
-    static_register["three"] = 3
-
-    new_register = StaticRegisters.new(static_register)
-    assert_equal({}, new_register.registers)
-
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, static_register.static)
-
-    new_register["one"] = 4
-    new_register["two"] = 5
-    new_register["three"] = 6
-    new_register.static["four"] = 10
-
-    newest_register = StaticRegisters.new(new_register)
-    assert_equal({}, newest_register.registers)
-
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil, "four" => 10 }, new_register.static)
-
-    newest_register["one"] = 7
-    newest_register["two"] = 8
-    newest_register["three"] = 9
-    new_register.static["four"] = 5
-    new_register.static["five"] = 15
-
-    assert_equal({ "one" => 1, "two" => 2, "three" => 3 }, static_register.registers)
-    assert_equal({ "one" => 4, "two" => 5, "three" => 6 }, new_register.registers)
-    assert_equal({ "one" => 7, "two" => 8, "three" => 9 }, newest_register.registers)
-
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil, "four" => 5, "five" => 15 }, newest_register.static)
-
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil, "four" => 5, "five" => 15 }, static_register.static)
-    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil, "four" => 5, "five" => 15 }, new_register.static)
+    assert_equal({ nil => true, 1 => :one, :one => "one", "two" => 3, false => nil }, static_register.static_registers)
+    assert_equal({ foo: :bar }, new_register.static_registers)
+    assert_equal({ bar: :foo }, newest_register.static_registers)
   end
 end