Fix linter warnings (#5679)

lib/mongoid/association/macros.rb

@@ -1,9 +1,7 @@
 # frozen_string_literal: true
-# rubocop:todo all
 
 module Mongoid
   module Association
-
     # This module contains the core macros for defining associations between
     # documents. They can be either embedded or referenced.
     module Macros
@@ -36,7 +34,7 @@ module Macros
         # @api private
         class_attribute :aliased_associations
 
-        # @return [ Set<String> ] The set of associations that are configured 
+        # @return [ Set<String> ] The set of associations that are configured
         #   with :store_as parameter.
         class_attribute :stored_as_associations
 
@@ -54,11 +52,11 @@ module Macros
       #
       # @return [ Hash ] The associations.
       def associations
-        self.relations
+        relations
       end
 
+      # Class methods for associations.
       module ClassMethods
-
         # Adds the association back to the parent document. This macro is
         # necessary to set the references from the child back to the parent
         # document. If a child does not define this association calling
@@ -151,6 +149,8 @@ def belongs_to(name, options = {}, &block)
           define_association!(__method__, name, options, &block)
         end
 
+        # rubocop:disable Naming/PredicateName
+
         # Adds a referenced association from a parent Document to many
         # Documents in another database or collection.
         #
@@ -217,15 +217,17 @@ def has_one(name, options = {}, &block)
           define_association!(__method__, name, options, &block)
         end
 
+        # rubocop:enable Naming/PredicateName
+
         private
 
         def define_association!(macro_name, name, options = {}, &block)
           Association::MACRO_MAPPING[macro_name].new(self, name, options, &block).tap do |assoc|
             assoc.setup!
-            self.relations = self.relations.merge(name => assoc)
+            self.relations = relations.merge(name => assoc)
             if assoc.embedded? && assoc.respond_to?(:store_as) && assoc.store_as != name
-              self.aliased_associations[assoc.store_as] = name
-              self.stored_as_associations << assoc.store_as
+              aliased_associations[assoc.store_as] = name
+              stored_as_associations << assoc.store_as
             end
           end
         end

lib/mongoid/attributes/processing.rb

@@ -1,12 +1,9 @@
 # frozen_string_literal: true
-# rubocop:todo all
 
 module Mongoid
   module Attributes
-
     # This module contains the behavior for processing attributes.
     module Processing
-
       # Process the provided attributes casting them to their proper values if a
       # field exists for them on the document. This will be limited to only the
       # attributes provided in the supplied +Hash+ so that no extra nil values get
@@ -18,10 +15,11 @@ module Processing
       # @param [ Hash ] attrs The attributes to set.
       def process_attributes(attrs = nil)
         attrs ||= {}
-        if !attrs.empty?
+        unless attrs.empty?
           attrs = sanitize_for_mass_assignment(attrs)
           attrs.each_pair do |key, value|
             next if pending_attribute?(key, value)
+
             process_attribute(key, value)
           end
         end
@@ -45,15 +43,15 @@ def process_attributes(attrs = nil)
       def pending_attribute?(key, value)
         name = key.to_s
         aliased = if aliased_associations.key?(name)
-          aliased_associations[name]
-        else
-          name
-        end
-        if relations.has_key?(aliased)
+                    aliased_associations[name]
+                  else
+                    name
+                  end
+        if relations.key?(aliased)
           set_pending_relation(name, aliased, value)
           return true
         end
-        if nested_attributes.has_key?(aliased)
+        if nested_attributes.key?(aliased)
           set_pending_nested(name, aliased, value)
           return true
         end
@@ -115,11 +113,12 @@ def pending_nested
       # @param [ Symbol ] name The name of the field.
       # @param [ Object ] value The value of the field.
       def process_attribute(name, value)
-        if !respond_to?("#{name}=", true) && store_as = aliased_fields.invert[name.to_s]
+        if !respond_to?("#{name}=", true) && (store_as = aliased_fields.invert[name.to_s])
           name = store_as
         end
         responds = respond_to?("#{name}=", true)
         raise Errors::UnknownAttribute.new(self.class, name) unless responds
+
         send("#{name}=", value)
       end