Use respond_to test helpers

actionmailer/test/base_test.rb

@@ -506,8 +506,8 @@ class BaseTest < ActiveSupport::TestCase
   test "should respond to action methods" do
     assert_respond_to BaseMailer, :welcome
     assert_respond_to BaseMailer, :implicit_multipart
-    assert !BaseMailer.respond_to?(:mail)
-    assert !BaseMailer.respond_to?(:headers)
+    assert_not_respond_to BaseMailer, :mail
+    assert_not_respond_to BaseMailer, :headers
   end
 
   test "calling just the action should return the generated mail object" do

actionpack/test/controller/parameters/accessors_test.rb

@@ -289,7 +289,7 @@ class ParametersAccessorsTest < ActiveSupport::TestCase
   else
     test "ActionController::Parameters does not respond to #dig on Ruby 2.2" do
       assert_not ActionController::Parameters.method_defined?(:dig)
-      assert_not @params.respond_to?(:dig)
+      assert_not_respond_to @params, :dig
     end
   end
 end

actionpack/test/controller/runner_test.rb

@@ -17,8 +17,8 @@ module ActionDispatch
 
     def test_respond_to?
       runner = MyRunner.new(Class.new { def x; end }.new)
-      assert runner.respond_to?(:hi)
-      assert runner.respond_to?(:x)
+      assert_respond_to runner, :hi
+      assert_respond_to runner, :x
     end
   end
 end

actionpack/test/controller/test_case_test.rb

@@ -838,7 +838,7 @@ XML
 
   def test_fixture_file_upload_should_be_able_access_to_tempfile
     file = fixture_file_upload(FILES_DIR + "/ruby_on_rails.jpg", "image/jpg")
-    assert file.respond_to?(:tempfile), "expected tempfile should respond on fixture file object, got nothing"
+    assert_respond_to file, :tempfile
   end
 
   def test_fixture_file_upload

actionpack/test/controller/url_for_test.rb

@@ -288,7 +288,7 @@ module AbstractController
           kls = Class.new { include set.url_helpers }
 
           controller = kls.new
-          assert controller.respond_to?(:home_url)
+          assert_respond_to controller, :home_url
           assert_equal "http://www.basecamphq.com/home/sweet/home/again",
             controller.send(:home_url, host: "www.basecamphq.com", user: "again")
 

actionpack/test/dispatch/mime_type_test.rb

@@ -159,7 +159,7 @@ class MimeTypeTest < ActiveSupport::TestCase
 
     types.each do |type|
       mime = Mime[type]
-      assert mime.respond_to?("#{type}?"), "#{mime.inspect} does not respond to #{type}?"
+      assert_respond_to mime, "#{type}?"
       assert_equal type, mime.symbol, "#{mime.inspect} is not #{type}?"
       invalid_types = types - [type]
       invalid_types.delete(:html)

actionpack/test/dispatch/response_test.rb

@@ -356,7 +356,7 @@ class ResponseTest < ActiveSupport::TestCase
   end
 
   test "respond_to? accepts include_private" do
-    assert_not @response.respond_to?(:method_missing)
+    assert_not_respond_to @response, :method_missing
     assert @response.respond_to?(:method_missing, true)
   end
 

actionpack/test/dispatch/uploaded_file_test.rb

@@ -106,8 +106,8 @@ module ActionDispatch
     def test_respond_to?
       tf = Class.new { def read; yield end }
       uf = Http::UploadedFile.new(tempfile: tf.new)
-      assert uf.respond_to?(:headers), "responds to headers"
-      assert uf.respond_to?(:read), "responds to read"
+      assert_respond_to uf, :headers
+      assert_respond_to uf, :read
     end
   end
 end

activemodel/lib/active_model/lint.rb

@@ -29,7 +29,7 @@ module ActiveModel
       # <tt>to_key</tt> returns an Enumerable of all (primary) key attributes
       # of the model, and is used to a generate unique DOM id for the object.
       def test_to_key
-        assert model.respond_to?(:to_key), "The model should respond to to_key"
+        assert_respond_to model, :to_key
         def model.persisted?() false end
         assert model.to_key.nil?, "to_key should return nil when `persisted?` returns false"
       end
@@ -44,7 +44,7 @@ module ActiveModel
       # tests for this behavior in lint because it doesn't make sense to force
       # any of the possible implementation strategies on the implementer.
       def test_to_param
-        assert model.respond_to?(:to_param), "The model should respond to to_param"
+        assert_respond_to model, :to_param
         def model.to_key() [1] end
         def model.persisted?() false end
         assert model.to_param.nil?, "to_param should return nil when `persisted?` returns false"
@@ -56,7 +56,7 @@ module ActiveModel
       # <tt>to_partial_path</tt> is used for looking up partials. For example,
       # a BlogPost model might return "blog_posts/blog_post".
       def test_to_partial_path
-        assert model.respond_to?(:to_partial_path), "The model should respond to to_partial_path"
+        assert_respond_to model, :to_partial_path
         assert_kind_of String, model.to_partial_path
       end
 
@@ -68,7 +68,7 @@ module ActiveModel
       # will route to the create action. If it is persisted, a form for the
       # object will route to the update action.
       def test_persisted?
-        assert model.respond_to?(:persisted?), "The model should respond to persisted?"
+        assert_respond_to model, :persisted?
         assert_boolean model.persisted?, "persisted?"
       end
 
@@ -79,14 +79,14 @@ module ActiveModel
       #
       # Check ActiveModel::Naming for more information.
       def test_model_naming
-        assert model.class.respond_to?(:model_name), "The model class should respond to model_name"
+        assert_respond_to model.class, :model_name
         model_name = model.class.model_name
-        assert model_name.respond_to?(:to_str)
-        assert model_name.human.respond_to?(:to_str)
-        assert model_name.singular.respond_to?(:to_str)
-        assert model_name.plural.respond_to?(:to_str)
+        assert_respond_to model_name, :to_str
+        assert_respond_to model_name.human, :to_str
+        assert_respond_to model_name.singular, :to_str
+        assert_respond_to model_name.plural, :to_str
 
-        assert model.respond_to?(:model_name), "The model instance should respond to model_name"
+        assert_respond_to model, :model_name
         assert_equal model.model_name, model.class.model_name
       end
 
@@ -100,13 +100,13 @@ module ActiveModel
       # If localization is used, the strings should be localized for the current
       # locale. If no error is present, the method should return an empty array.
       def test_errors_aref
-        assert model.respond_to?(:errors), "The model should respond to errors"
+        assert_respond_to model, :errors
         assert model.errors[:hello].is_a?(Array), "errors#[] should return an Array"
       end
 
       private
         def model
-          assert @model.respond_to?(:to_model), "The object should respond to to_model"
+          assert_respond_to @model, :to_model
           @model.to_model
         end
 

activemodel/test/cases/attribute_methods_test.rb

@@ -220,7 +220,7 @@ class AttributeMethodsTest < ActiveModel::TestCase
     ModelWithAttributes.define_attribute_methods(:foo)
     ModelWithAttributes.undefine_attribute_methods
 
-    assert !ModelWithAttributes.new.respond_to?(:foo)
+    assert_not_respond_to ModelWithAttributes.new, :foo
     assert_raises(NoMethodError) { ModelWithAttributes.new.foo }
   end
 
@@ -255,7 +255,7 @@ class AttributeMethodsTest < ActiveModel::TestCase
     m = ModelWithAttributes2.new
     m.attributes = { "private_method" => "<3", "protected_method" => "O_o" }
 
-    assert !m.respond_to?(:private_method)
+    assert_not_respond_to m, :private_method
     assert m.respond_to?(:private_method, true)
 
     c = ClassWithProtected.new

activemodel/test/cases/callbacks_test.rb

@@ -85,21 +85,21 @@ class CallbacksTest < ActiveModel::TestCase
   end
 
   test "only selects which types of callbacks should be created" do
-    assert !ModelCallbacks.respond_to?(:before_initialize)
-    assert !ModelCallbacks.respond_to?(:around_initialize)
+    assert_not_respond_to ModelCallbacks, :before_initialize
+    assert_not_respond_to ModelCallbacks, :around_initialize
     assert_respond_to ModelCallbacks, :after_initialize
   end
 
   test "only selects which types of callbacks should be created from an array list" do
     assert_respond_to ModelCallbacks, :before_multiple
     assert_respond_to ModelCallbacks, :around_multiple
-    assert !ModelCallbacks.respond_to?(:after_multiple)
+    assert_not_respond_to ModelCallbacks, :after_multiple
   end
 
   test "no callbacks should be created" do
-    assert !ModelCallbacks.respond_to?(:before_empty)
-    assert !ModelCallbacks.respond_to?(:around_empty)
-    assert !ModelCallbacks.respond_to?(:after_empty)
+    assert_not_respond_to ModelCallbacks, :before_empty
+    assert_not_respond_to ModelCallbacks, :around_empty
+    assert_not_respond_to ModelCallbacks, :after_empty
   end
 
   class Violin

activemodel/test/cases/errors_test.rb

@@ -320,7 +320,7 @@ class ErrorsTest < ActiveModel::TestCase
 
   test "generate_message works without i18n_scope" do
     person = Person.new
-    assert !Person.respond_to?(:i18n_scope)
+    assert_not_respond_to Person, :i18n_scope
     assert_nothing_raised {
       person.errors.generate_message(:name, :blank)
     }

activerecord/test/cases/adapters/postgresql/hstore_test.rb

@@ -40,7 +40,7 @@ class PostgresqlHstoreTest < ActiveRecord::PostgreSQLTestCase
   end
 
   def test_hstore_included_in_extensions
-    assert @connection.respond_to?(:extensions), "connection should have a list of extensions"
+    assert_respond_to @connection, :extensions
     assert_includes @connection.extensions, "hstore", "extension list should include hstore"
   end
 

activerecord/test/cases/adapters/sqlite3/sqlite3_adapter_test.rb

@@ -475,11 +475,11 @@ module ActiveRecord
       end
 
       def test_respond_to_enable_extension
-        assert @conn.respond_to?(:enable_extension)
+        assert_respond_to @conn, :enable_extension
       end
 
       def test_respond_to_disable_extension
-        assert @conn.respond_to?(:disable_extension)
+        assert_respond_to @conn, :disable_extension
       end
 
       def test_statement_closed

activerecord/test/cases/associations/left_outer_join_association_test.rb

@@ -77,7 +77,7 @@ class LeftOuterJoinAssociationTest < ActiveRecord::TestCase
   def test_does_not_override_select
     authors = Author.select("authors.name, #{%{(authors.author_address_id || ' ' || authors.author_address_extra_id) as addr_id}}").left_outer_joins(:posts)
     assert authors.any?
-    assert authors.first.respond_to?(:addr_id)
+    assert_respond_to authors.first, :addr_id
   end
 
   test "the default scope of the target is applied when joining associations" do

activerecord/test/cases/attribute_methods_test.rb

@@ -142,16 +142,16 @@ class AttributeMethodsTest < ActiveRecord::TestCase
     assert_respond_to topic, :title=
     assert_respond_to topic, "author_name"
     assert_respond_to topic, "attribute_names"
-    assert !topic.respond_to?("nothingness")
-    assert !topic.respond_to?(:nothingness)
+    assert_not_respond_to topic, "nothingness"
+    assert_not_respond_to topic, :nothingness
   end
 
   test "respond_to? with a custom primary key" do
     keyboard = Keyboard.create
     assert_not_nil keyboard.key_number
     assert_equal keyboard.key_number, keyboard.id
-    assert keyboard.respond_to?("key_number")
-    assert keyboard.respond_to?("id")
+    assert_respond_to keyboard, "key_number"
+    assert_respond_to keyboard, "id"
   end
 
   test "id_before_type_cast with a custom primary key" do
@@ -170,8 +170,8 @@ class AttributeMethodsTest < ActiveRecord::TestCase
     end
 
     topic = klass.allocate
-    assert !topic.respond_to?("nothingness")
-    assert !topic.respond_to?(:nothingness)
+    assert_not_respond_to topic, "nothingness"
+    assert_not_respond_to topic, :nothingness
     assert_respond_to topic, "title"
     assert_respond_to topic, :title
   end
@@ -471,16 +471,16 @@ class AttributeMethodsTest < ActiveRecord::TestCase
 
   test "non-attribute read and write" do
     topic = Topic.new
-    assert !topic.respond_to?("mumbo")
+    assert_not_respond_to topic, "mumbo"
     assert_raise(NoMethodError) { topic.mumbo }
     assert_raise(NoMethodError) { topic.mumbo = 5 }
   end
 
   test "undeclared attribute method does not affect respond_to? and method_missing" do
     topic = @target.new(title: "Budget")
-    assert topic.respond_to?("title")
+    assert_respond_to topic, "title"
     assert_equal "Budget", topic.title
-    assert !topic.respond_to?("title_hello_world")
+    assert_not_respond_to topic, "title_hello_world"
     assert_raise(NoMethodError) { topic.title_hello_world }
   end
 
@@ -491,7 +491,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase
       @target.attribute_method_prefix prefix
 
       meth = "#{prefix}title"
-      assert topic.respond_to?(meth)
+      assert_respond_to topic, meth
       assert_equal ["title"], topic.send(meth)
       assert_equal ["title", "a"], topic.send(meth, "a")
       assert_equal ["title", 1, 2, 3], topic.send(meth, 1, 2, 3)
@@ -505,7 +505,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase
       topic = @target.new(title: "Budget")
 
       meth = "title#{suffix}"
-      assert topic.respond_to?(meth)
+      assert_respond_to topic, meth
       assert_equal ["title"], topic.send(meth)
       assert_equal ["title", "a"], topic.send(meth, "a")
       assert_equal ["title", 1, 2, 3], topic.send(meth, 1, 2, 3)
@@ -519,7 +519,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase
       topic = @target.new(title: "Budget")
 
       meth = "#{prefix}title#{suffix}"
-      assert topic.respond_to?(meth)
+      assert_respond_to topic, meth
       assert_equal ["title"], topic.send(meth)
       assert_equal ["title", "a"], topic.send(meth, "a")
       assert_equal ["title", 1, 2, 3], topic.send(meth, 1, 2, 3)
@@ -767,7 +767,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase
     privatize("title")
 
     topic = @target.new(title: "The pros and cons of programming naked.")
-    assert !topic.respond_to?(:title)
+    assert_not_respond_to topic, :title
     exception = assert_raise(NoMethodError) { topic.title }
     assert_includes exception.message, "private method"
     assert_equal "I'm private", topic.send(:title)
@@ -777,7 +777,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase
     privatize("title=(value)")
 
     topic = @target.new
-    assert !topic.respond_to?(:title=)
+    assert_not_respond_to topic, :title=
     exception = assert_raise(NoMethodError) { topic.title = "Pants" }
     assert_includes exception.message, "private method"
     topic.send(:title=, "Very large pants")
@@ -787,7 +787,7 @@ class AttributeMethodsTest < ActiveRecord::TestCase
     privatize("title?")
 
     topic = @target.new(title: "Isaac Newton's pants")
-    assert !topic.respond_to?(:title?)
+    assert_not_respond_to topic, :title?
     exception = assert_raise(NoMethodError) { topic.title? }
     assert_includes exception.message, "private method"
     assert topic.send(:title?)

activerecord/test/cases/autosave_association_test.rb

@@ -1686,7 +1686,7 @@ class TestAutosaveAssociationValidationMethodsGeneration < ActiveRecord::TestCas
   end
 
   test "should not generate validation methods for has_one associations without :validate => true" do
-    assert !@pirate.respond_to?(:validate_associated_records_for_non_validated_ship)
+    assert_not_respond_to @pirate, :validate_associated_records_for_non_validated_ship
   end
 
   test "should generate validation methods for belongs_to associations with :validate => true" do
@@ -1694,7 +1694,7 @@ class TestAutosaveAssociationValidationMethodsGeneration < ActiveRecord::TestCas
   end
 
   test "should not generate validation methods for belongs_to associations without :validate => true" do
-    assert !@pirate.respond_to?(:validate_associated_records_for_non_validated_parrot)
+    assert_not_respond_to @pirate, :validate_associated_records_for_non_validated_parrot
   end
 
   test "should generate validation methods for HABTM associations with :validate => true" do

activerecord/test/cases/base_test.rb

@@ -1447,27 +1447,27 @@ class BasicsTest < ActiveRecord::TestCase
   end
 
   test "ignored columns have no attribute methods" do
-    refute Developer.new.respond_to?(:first_name)
-    refute Developer.new.respond_to?(:first_name=)
-    refute Developer.new.respond_to?(:first_name?)
-    refute SubDeveloper.new.respond_to?(:first_name)
-    refute SubDeveloper.new.respond_to?(:first_name=)
-    refute SubDeveloper.new.respond_to?(:first_name?)
-    refute SymbolIgnoredDeveloper.new.respond_to?(:first_name)
-    refute SymbolIgnoredDeveloper.new.respond_to?(:first_name=)
-    refute SymbolIgnoredDeveloper.new.respond_to?(:first_name?)
+    assert_not_respond_to Developer.new, :first_name
+    assert_not_respond_to Developer.new, :first_name=
+    assert_not_respond_to Developer.new, :first_name?
+    assert_not_respond_to SubDeveloper.new, :first_name
+    assert_not_respond_to SubDeveloper.new, :first_name=
+    assert_not_respond_to SubDeveloper.new, :first_name?
+    assert_not_respond_to SymbolIgnoredDeveloper.new, :first_name
+    assert_not_respond_to SymbolIgnoredDeveloper.new, :first_name=
+    assert_not_respond_to SymbolIgnoredDeveloper.new, :first_name?
   end
 
   test "ignored columns don't prevent explicit declaration of attribute methods" do
-    assert Developer.new.respond_to?(:last_name)
-    assert Developer.new.respond_to?(:last_name=)
-    assert Developer.new.respond_to?(:last_name?)
-    assert SubDeveloper.new.respond_to?(:last_name)
-    assert SubDeveloper.new.respond_to?(:last_name=)
-    assert SubDeveloper.new.respond_to?(:last_name?)
-    assert SymbolIgnoredDeveloper.new.respond_to?(:last_name)
-    assert SymbolIgnoredDeveloper.new.respond_to?(:last_name=)
-    assert SymbolIgnoredDeveloper.new.respond_to?(:last_name?)
+    assert_respond_to Developer.new, :last_name
+    assert_respond_to Developer.new, :last_name=
+    assert_respond_to Developer.new, :last_name?
+    assert_respond_to SubDeveloper.new, :last_name
+    assert_respond_to SubDeveloper.new, :last_name=
+    assert_respond_to SubDeveloper.new, :last_name?
+    assert_respond_to SymbolIgnoredDeveloper.new, :last_name
+    assert_respond_to SymbolIgnoredDeveloper.new, :last_name=
+    assert_respond_to SymbolIgnoredDeveloper.new, :last_name?
   end
 
   test "ignored columns are stored as an array of string" do
@@ -1477,13 +1477,13 @@ class BasicsTest < ActiveRecord::TestCase
 
   test "when #reload called, ignored columns' attribute methods are not defined" do
     developer = Developer.create!(name: "Developer")
-    refute developer.respond_to?(:first_name)
-    refute developer.respond_to?(:first_name=)
+    assert_not_respond_to developer, :first_name
+    assert_not_respond_to developer, :first_name=
 
     developer.reload
 
-    refute developer.respond_to?(:first_name)
-    refute developer.respond_to?(:first_name=)
+    assert_not_respond_to developer, :first_name
+    assert_not_respond_to developer, :first_name=
   end
 
   test "ignored columns not included in SELECT" do

activerecord/test/cases/connection_management_test.rb

@@ -85,7 +85,7 @@ module ActiveRecord
         body = Class.new(String) { def to_path; "/path"; end }.new
         app = lambda { |_| [200, {}, body] }
         response_body = middleware(app).call(@env)[2]
-        assert response_body.respond_to?(:to_path)
+        assert_respond_to response_body, :to_path
         assert_equal "/path", response_body.to_path
       end
 

activerecord/test/cases/enum_test.rb

@@ -459,17 +459,17 @@ class EnumTest < ActiveRecord::TestCase
   end
 
   test "enum methods with custom suffix defined" do
-    assert @book.class.respond_to?(:easy_to_read)
-    assert @book.class.respond_to?(:medium_to_read)
-    assert @book.class.respond_to?(:hard_to_read)
+    assert_respond_to @book.class, :easy_to_read
+    assert_respond_to @book.class, :medium_to_read
+    assert_respond_to @book.class, :hard_to_read
 
-    assert @book.respond_to?(:easy_to_read?)
-    assert @book.respond_to?(:medium_to_read?)
-    assert @book.respond_to?(:hard_to_read?)
+    assert_respond_to @book, :easy_to_read?
+    assert_respond_to @book, :medium_to_read?
+    assert_respond_to @book, :hard_to_read?
 
-    assert @book.respond_to?(:easy_to_read!)
-    assert @book.respond_to?(:medium_to_read!)
-    assert @book.respond_to?(:hard_to_read!)
+    assert_respond_to @book, :easy_to_read!
+    assert_respond_to @book, :medium_to_read!
+    assert_respond_to @book, :hard_to_read!
   end
 
   test "update enum attributes with custom suffix" do

activerecord/test/cases/finder_respond_to_test.rb

@@ -8,7 +8,7 @@ class FinderRespondToTest < ActiveRecord::TestCase
 
   def test_should_preserve_normal_respond_to_behaviour_on_base
     assert_respond_to ActiveRecord::Base, :new
-    assert !ActiveRecord::Base.respond_to?(:find_by_something)
+    assert_not_respond_to ActiveRecord::Base, :find_by_something
   end
 
   def test_should_preserve_normal_respond_to_behaviour_and_respond_to_newly_added_method
@@ -43,14 +43,14 @@ class FinderRespondToTest < ActiveRecord::TestCase
   end
 
   def test_should_not_respond_to_find_by_one_missing_attribute
-    assert !Topic.respond_to?(:find_by_undertitle)
+    assert_not_respond_to Topic, :find_by_undertitle
   end
 
   def test_should_not_respond_to_find_by_invalid_method_syntax
-    assert !Topic.respond_to?(:fail_to_find_by_title)
-    assert !Topic.respond_to?(:find_by_title?)
-    assert !Topic.respond_to?(:fail_to_find_or_create_by_title)
-    assert !Topic.respond_to?(:find_or_create_by_title?)
+    assert_not_respond_to Topic, :fail_to_find_by_title
+    assert_not_respond_to Topic, :find_by_title?
+    assert_not_respond_to Topic, :fail_to_find_or_create_by_title
+    assert_not_respond_to Topic, :find_or_create_by_title?
   end
 
   private

activerecord/test/cases/json_serialization_test.rb

@@ -252,7 +252,7 @@ class DatabaseConnectedJsonEncodingTest < ActiveRecord::TestCase
     def @david.favorite_quote; "Constraints are liberating"; end
     json = @david.to_json(include: :posts, methods: :favorite_quote)
 
-    assert !@david.posts.first.respond_to?(:favorite_quote)
+    assert_not_respond_to @david.posts.first, :favorite_quote
     assert_match %r{"favorite_quote":"Constraints are liberating"}, json
     assert_equal 1, %r{"favorite_quote":}.match(json).size
   end

activerecord/test/cases/migration/command_recorder_test.rb

@@ -14,7 +14,7 @@ module ActiveRecord
         recorder = CommandRecorder.new(Class.new {
           def america; end
         }.new)
-        assert recorder.respond_to?(:america)
+        assert_respond_to recorder, :america
       end
 
       def test_send_calls_super
@@ -27,7 +27,7 @@ module ActiveRecord
         recorder = CommandRecorder.new(Class.new {
           def create_table(name); end
         }.new)
-        assert recorder.respond_to?(:create_table), "respond_to? create_table"
+        assert_respond_to recorder, :create_table
         recorder.send(:create_table, :horses)
         assert_equal [[:create_table, [:horses], nil]], recorder.commands
       end

activerecord/test/cases/multiparameter_attributes_test.rb

@@ -227,7 +227,7 @@ class MultiParameterAttributeTest < ActiveRecord::TestCase
       topic = Topic.find(1)
       topic.attributes = attributes
       assert_equal Time.local(2004, 6, 24, 16, 24, 0), topic.written_on
-      assert_equal false, topic.written_on.respond_to?(:time_zone)
+      assert_not_respond_to topic.written_on, :time_zone
     end
   end
 
@@ -242,7 +242,7 @@ class MultiParameterAttributeTest < ActiveRecord::TestCase
       topic = Topic.find(1)
       topic.attributes = attributes
       assert_equal Time.utc(2004, 6, 24, 16, 24, 0), topic.written_on
-      assert_equal false, topic.written_on.respond_to?(:time_zone)
+      assert_not_respond_to topic.written_on, :time_zone
     end
   ensure
     Topic.skip_time_zone_conversion_for_attributes = []

activerecord/test/cases/relation_test.rb

@@ -242,10 +242,10 @@ module ActiveRecord
 
     def test_respond_to_for_non_selected_element
       post = Post.select(:title).first
-      assert_equal false, post.respond_to?(:body), "post should not respond_to?(:body) since invoking it raises exception"
+      assert_not_respond_to post, :body, "post should not respond_to?(:body) since invoking it raises exception"
 
       silence_warnings { post = Post.select("'title' as post_title").first }
-      assert_equal false, post.respond_to?(:title), "post should not respond_to?(:body) since invoking it raises exception"
+      assert_not_respond_to post, :title, "post should not respond_to?(:body) since invoking it raises exception"
     end
 
     def test_select_quotes_when_using_from_clause

activerecord/test/cases/relations_test.rb

@@ -56,7 +56,7 @@ class RelationTest < ActiveRecord::TestCase
 
   def test_dynamic_finder
     x = Post.where("author_id = ?", 1)
-    assert x.klass.respond_to?(:find_by_id), "@klass should handle dynamic finders"
+    assert_respond_to x.klass, :find_by_id
   end
 
   def test_multivalue_where
@@ -501,12 +501,12 @@ class RelationTest < ActiveRecord::TestCase
     relation = Topic.all
 
     ["find_by_title", "find_by_title_and_author_name"].each do |method|
-      assert_respond_to relation, method, "Topic.all should respond to #{method.inspect}"
+      assert_respond_to relation, method
     end
   end
 
   def test_respond_to_class_methods_and_scopes
-    assert Topic.all.respond_to?(:by_lifo)
+    assert_respond_to Topic.all, :by_lifo
   end
 
   def test_find_with_readonly_option
@@ -601,7 +601,7 @@ class RelationTest < ActiveRecord::TestCase
     reader = Reader.create! post_id: post.id, person_id: 1
     comment = Comment.create! post_id: post.id, body: "body"
 
-    assert !comment.respond_to?(:readers)
+    assert_not_respond_to comment, :readers
 
     post_rel = Post.preload(:readers).joins(:readers).where(title: "Uhuu")
     result_comment = Comment.joins(:post).merge(post_rel).to_a.first
@@ -1846,7 +1846,7 @@ class RelationTest < ActiveRecord::TestCase
   test "delegations do not leak to other classes" do
     Topic.all.by_lifo
     assert Topic.all.class.method_defined?(:by_lifo)
-    assert !Post.all.respond_to?(:by_lifo)
+    assert_not_respond_to Post.all, :by_lifo
   end
 
   def test_unscope_with_subquery

activerecord/test/cases/scoping/named_scoping_test.rb

@@ -65,9 +65,9 @@ class NamedScopingTest < ActiveRecord::TestCase
   end
 
   def test_scope_should_respond_to_own_methods_and_methods_of_the_proxy
-    assert Topic.approved.respond_to?(:limit)
-    assert Topic.approved.respond_to?(:count)
-    assert Topic.approved.respond_to?(:length)
+    assert_respond_to Topic.approved, :limit
+    assert_respond_to Topic.approved, :count
+    assert_respond_to Topic.approved, :length
   end
 
   def test_scopes_with_options_limit_finds_to_those_matching_the_criteria_specified

activesupport/test/concern_test.rb

@@ -91,7 +91,7 @@ class ConcernTest < ActiveSupport::TestCase
       end
     end
     @klass.include test_module
-    assert_equal false, Object.respond_to?(:test)
+    assert_not_respond_to Object, :test
     Qux.class_eval do
       remove_const :ClassMethods
     end

activesupport/test/configurable_test.rb

@@ -43,11 +43,11 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
   test "configuration accessors are not available on instance" do
     instance = Parent.new
 
-    assert !instance.respond_to?(:bar)
-    assert !instance.respond_to?(:bar=)
+    assert_not_respond_to instance, :bar
+    assert_not_respond_to instance, :bar=
 
-    assert !instance.respond_to?(:baz)
-    assert !instance.respond_to?(:baz=)
+    assert_not_respond_to instance, :baz
+    assert_not_respond_to instance, :baz=
   end
 
   test "configuration accessors can take a default value" do

activesupport/test/core_ext/module/attribute_accessor_per_thread_test.rb

@@ -43,22 +43,22 @@ class ModuleAttributeAccessorPerThreadTest < ActiveSupport::TestCase
       assert_respond_to @class, :foo
       assert_respond_to @class, :foo=
       assert_respond_to @object, :bar
-      assert !@object.respond_to?(:bar=)
+      assert_not_respond_to @object, :bar=
     end.join
   end
 
   def test_should_not_create_instance_reader
     Thread.new do
       assert_respond_to @class, :shaq
-      assert !@object.respond_to?(:shaq)
+      assert_not_respond_to @object, :shaq
     end.join
   end
 
   def test_should_not_create_instance_accessors
     Thread.new do
       assert_respond_to @class, :camp
-      assert !@object.respond_to?(:camp)
-      assert !@object.respond_to?(:camp=)
+      assert_not_respond_to @object, :camp
+      assert_not_respond_to @object, :camp=
     end.join
   end
 

activesupport/test/core_ext/module/attribute_accessor_test.rb

@@ -65,18 +65,18 @@ class ModuleAttributeAccessorTest < ActiveSupport::TestCase
     assert_respond_to @module, :foo
     assert_respond_to @module, :foo=
     assert_respond_to @object, :bar
-    assert !@object.respond_to?(:bar=)
+    assert_not_respond_to @object, :bar=
   end
 
   def test_should_not_create_instance_reader
     assert_respond_to @module, :shaq
-    assert !@object.respond_to?(:shaq)
+    assert_not_respond_to @object, :shaq
   end
 
   def test_should_not_create_instance_accessors
     assert_respond_to @module, :camp
-    assert !@object.respond_to?(:camp)
-    assert !@object.respond_to?(:camp=)
+    assert_not_respond_to @object, :camp
+    assert_not_respond_to @object, :camp=
   end
 
   def test_should_raise_name_error_if_attribute_name_is_invalid

activesupport/test/core_ext/module/concerning_test.rb

@@ -55,10 +55,10 @@ class ModuleConcernTest < ActiveSupport::TestCase
   end
 
   def test_using_class_methods_blocks_instead_of_ClassMethods_module
-    assert !Foo.respond_to?(:will_be_orphaned)
-    assert Foo.respond_to?(:hacked_on)
-    assert Foo.respond_to?(:nicer_dsl)
-    assert Foo.respond_to?(:doesnt_clobber)
+    assert_not_respond_to Foo, :will_be_orphaned
+    assert_respond_to Foo, :hacked_on
+    assert_respond_to Foo, :nicer_dsl
+    assert_respond_to Foo, :doesnt_clobber
 
     # Orphan in Foo::ClassMethods, not Bar::ClassMethods.
     assert Foo.const_defined?(:ClassMethods)

activesupport/test/core_ext/module/remove_method_test.rb

@@ -32,14 +32,14 @@ class RemoveMethodTest < ActiveSupport::TestCase
     RemoveMethodTests::A.class_eval {
       remove_possible_method(:do_something)
     }
-    assert !RemoveMethodTests::A.new.respond_to?(:do_something)
+    assert_not_respond_to RemoveMethodTests::A.new, :do_something
   end
 
   def test_remove_singleton_method_from_an_object
     RemoveMethodTests::A.class_eval {
       remove_possible_singleton_method(:do_something_else)
     }
-    assert !RemoveMethodTests::A.respond_to?(:do_something_else)
+    assert_not_respond_to RemoveMethodTests::A, :do_something_else
   end
 
   def test_redefine_method_in_an_object

activesupport/test/core_ext/module_test.rb

@@ -383,9 +383,9 @@ class ModuleTest < ActiveSupport::TestCase
   end
 
   def test_delegate_missing_to_affects_respond_to
-    assert DecoratedTester.new(@david).respond_to?(:name)
-    assert_not DecoratedTester.new(@david).respond_to?(:private_name)
-    assert_not DecoratedTester.new(@david).respond_to?(:my_fake_method)
+    assert_respond_to DecoratedTester.new(@david), :name
+    assert_not_respond_to DecoratedTester.new(@david), :private_name
+    assert_not_respond_to DecoratedTester.new(@david), :my_fake_method
 
     assert DecoratedTester.new(@david).respond_to?(:name, true)
     assert_not DecoratedTester.new(@david).respond_to?(:private_name, true)
@@ -414,8 +414,8 @@ class ModuleTest < ActiveSupport::TestCase
 
     place = location.new(Somewhere.new("Such street", "Sad city"))
 
-    assert_not place.respond_to?(:street)
-    assert_not place.respond_to?(:city)
+    assert_not_respond_to place, :street
+    assert_not_respond_to place, :city
 
     assert place.respond_to?(:street, true) # Asking for private method
     assert place.respond_to?(:city, true)
@@ -432,12 +432,12 @@ class ModuleTest < ActiveSupport::TestCase
 
     place = location.new(Somewhere.new("Such street", "Sad city"))
 
-    assert_not place.respond_to?(:street)
-    assert_not place.respond_to?(:city)
+    assert_not_respond_to place, :street
+    assert_not_respond_to place, :city
 
-    assert_not place.respond_to?(:the_street)
+    assert_not_respond_to place, :the_street
     assert place.respond_to?(:the_street, true)
-    assert_not place.respond_to?(:the_city)
+    assert_not_respond_to place, :the_city
     assert place.respond_to?(:the_city, true)
   end
 end

activesupport/test/core_ext/object/try_test.rb

@@ -10,25 +10,25 @@ class ObjectTryTest < ActiveSupport::TestCase
 
   def test_nonexisting_method
     method = :undefined_method
-    assert !@string.respond_to?(method)
+    assert_not_respond_to @string, method
     assert_nil @string.try(method)
   end
 
   def test_nonexisting_method_with_arguments
     method = :undefined_method
-    assert !@string.respond_to?(method)
+    assert_not_respond_to @string, method
     assert_nil @string.try(method, "llo", "y")
   end
 
   def test_nonexisting_method_bang
     method = :undefined_method
-    assert !@string.respond_to?(method)
+    assert_not_respond_to @string, method
     assert_raise(NoMethodError) { @string.try!(method) }
   end
 
   def test_nonexisting_method_with_arguments_bang
     method = :undefined_method
-    assert !@string.respond_to?(method)
+    assert_not_respond_to @string, method
     assert_raise(NoMethodError) { @string.try!(method, "llo", "y") }
   end
 

activesupport/test/core_ext/time_with_zone_test.rb

@@ -1035,8 +1035,8 @@ class TimeWithZoneMethodsForTimeAndDateTimeTest < ActiveSupport::TestCase
 
   def test_nil_time_zone
     Time.use_zone nil do
-      assert !@t.in_time_zone.respond_to?(:period), "no period method"
-      assert !@dt.in_time_zone.respond_to?(:period), "no period method"
+      assert_not_respond_to @t.in_time_zone, :period, "no period method"
+      assert_not_respond_to @dt.in_time_zone, :period, "no period method"
     end
   end
 
@@ -1224,7 +1224,7 @@ class TimeWithZoneMethodsForDate < ActiveSupport::TestCase
 
   def test_nil_time_zone
     with_tz_default nil do
-      assert !@d.in_time_zone.respond_to?(:period), "no period method"
+      assert_not_respond_to @d.in_time_zone, :period, "no period method"
     end
   end
 
@@ -1273,9 +1273,9 @@ class TimeWithZoneMethodsForString < ActiveSupport::TestCase
 
   def test_nil_time_zone
     with_tz_default nil do
-      assert !@s.in_time_zone.respond_to?(:period), "no period method"
-      assert !@u.in_time_zone.respond_to?(:period), "no period method"
-      assert !@z.in_time_zone.respond_to?(:period), "no period method"
+      assert_not_respond_to @s.in_time_zone, :period, "no period method"
+      assert_not_respond_to @u.in_time_zone, :period, "no period method"
+      assert_not_respond_to @z.in_time_zone, :period, "no period method"
     end
   end
 

activesupport/test/dependencies_test.rb

@@ -752,7 +752,7 @@ class DependenciesTest < ActiveSupport::TestCase
     Object.const_set :C, Class.new { def self.before_remove_const; end }
     C.unloadable
     assert_called(C, :before_remove_const, times: 1) do
-      assert C.respond_to?(:before_remove_const)
+      assert_respond_to C, :before_remove_const
       ActiveSupport::Dependencies.clear
       assert !defined?(C)
     end

activesupport/test/multibyte_chars_test.rb

@@ -469,10 +469,10 @@ class MultibyteCharsUTF8BehaviourTest < ActiveSupport::TestCase
   end
 
   def test_respond_to_knows_which_methods_the_proxy_responds_to
-    assert "".mb_chars.respond_to?(:slice) # Defined on Chars
-    assert "".mb_chars.respond_to?(:capitalize!) # Defined on Chars
-    assert "".mb_chars.respond_to?(:gsub) # Defined on String
-    assert !"".mb_chars.respond_to?(:undefined_method) # Not defined
+    assert_respond_to "".mb_chars, :slice # Defined on Chars
+    assert_respond_to "".mb_chars, :capitalize! # Defined on Chars
+    assert_respond_to "".mb_chars, :gsub # Defined on String
+    assert_not_respond_to "".mb_chars, :undefined_method # Not defined
   end
 
   def test_method_works_for_proxyed_methods

activesupport/test/ordered_options_test.rb

@@ -82,8 +82,8 @@ class OrderedOptionsTest < ActiveSupport::TestCase
 
   def test_introspection
     a = ActiveSupport::OrderedOptions.new
-    assert a.respond_to?(:blah)
-    assert a.respond_to?(:blah=)
+    assert_respond_to a, :blah
+    assert_respond_to a, :blah=
     assert_equal 42, a.method(:blah=).call(42)
     assert_equal 42, a.method(:blah).call
   end
@@ -91,7 +91,7 @@ class OrderedOptionsTest < ActiveSupport::TestCase
   def test_raises_with_bang
     a = ActiveSupport::OrderedOptions.new
     a[:foo] = :bar
-    assert a.respond_to?(:foo!)
+    assert_respond_to a, :foo!
 
     assert_nothing_raised { a.foo! }
     assert_equal a.foo, a.foo!

activesupport/test/tagged_logging_test.rb

@@ -21,7 +21,7 @@ class TaggedLoggingTest < ActiveSupport::TestCase
     assert_nil logger.formatter
     ActiveSupport::TaggedLogging.new(logger)
     assert_not_nil logger.formatter
-    assert logger.formatter.respond_to?(:tagged)
+    assert_respond_to logger.formatter, :tagged
   end
 
   test "tagged once" do

railties/test/application/configuration/custom_test.rb

@@ -33,7 +33,7 @@ module ApplicationTests
         assert_nil x.i_do_not_exist.zomg
 
         # test that custom configuration responds to all messages
-        assert_equal true, x.respond_to?(:i_do_not_exist)
+        assert_respond_to x, :i_do_not_exist
         assert_kind_of Method, x.method(:i_do_not_exist)
         assert_kind_of ActiveSupport::OrderedOptions, x.i_do_not_exist
       end

railties/test/application/configuration_test.rb

@@ -1478,7 +1478,7 @@ module ApplicationTests
     test "respond_to? accepts include_private" do
       make_basic_app
 
-      assert_not Rails.configuration.respond_to?(:method_missing)
+      assert_not_respond_to Rails.configuration, :method_missing
       assert Rails.configuration.respond_to?(:method_missing, true)
     end
 

railties/test/application/console_test.rb

@@ -73,7 +73,7 @@ class ConsoleTest < ActiveSupport::TestCase
     MODEL
 
     load_environment
-    assert User.new.respond_to?(:name)
+    assert_respond_to User.new, :name
 
     app_file "app/models/user.rb", <<-MODEL
       class User
@@ -81,9 +81,9 @@ class ConsoleTest < ActiveSupport::TestCase
       end
     MODEL
 
-    assert !User.new.respond_to?(:age)
+    assert_not_respond_to User.new, :age
     irb_context.reload!(false)
-    assert User.new.respond_to?(:age)
+    assert_respond_to User.new, :age
   end
 
   def test_access_to_helpers