AttributeSet#include? -> AttributeSet#key?

https://github.com/rails/rails/pull/15868/files#r14135210

activerecord/lib/active_record/attribute_methods.rb

@@ -251,7 +251,7 @@ module ActiveRecord
     #   person.has_attribute?('age')    # => true
     #   person.has_attribute?(:nothing) # => false
     def has_attribute?(attr_name)
-      @attributes.include?(attr_name.to_s)
+      @attributes.key?(attr_name.to_s)
     end
 
     # Returns an array of names for the attributes available on this object.
@@ -386,7 +386,7 @@ module ActiveRecord
 
     def attribute_method?(attr_name) # :nodoc:
       # We check defined? because Syck calls respond_to? before actually calling initialize.
-      defined?(@attributes) && @attributes.include?(attr_name)
+      defined?(@attributes) && @attributes.key?(attr_name)
     end
 
     private

activerecord/lib/active_record/attribute_set.rb

@@ -21,8 +21,8 @@ module ActiveRecord
     end
     alias_method :to_h, :to_hash
 
-    def include?(name)
-      attributes.include?(name) && self[name].initialized?
+    def key?(name)
+      attributes.key?(name) && self[name].initialized?
     end
 
     def fetch_value(name, &block)
@@ -53,7 +53,7 @@ module ActiveRecord
     end
 
     def reset(key)
-      if include?(key)
+      if key?(key)
         write_from_database(key, nil)
       end
     end

activerecord/test/cases/attribute_set_test.rb

@@ -88,15 +88,15 @@ module ActiveRecord
       assert_equal [:foo], attributes.keys
     end
 
-    test "uninitialized attributes return false for include?" do
+    test "uninitialized attributes return false for key?" do
       attributes = attributes_with_uninitialized_key
-      assert attributes.include?(:foo)
-      assert_not attributes.include?(:bar)
+      assert attributes.key?(:foo)
+      assert_not attributes.key?(:bar)
     end
 
-    test "unknown attributes return false for include?" do
+    test "unknown attributes return false for key?" do
       attributes = attributes_with_uninitialized_key
-      assert_not attributes.include?(:wibble)
+      assert_not attributes.key?(:wibble)
     end
 
     test "fetch_value returns the value for the given initialized attribute" do