`self.` is not needed when calling its own instance method

Actually, private methods cannot be called with `self.`, so it's not just redundant, it's a bad habit in Ruby

7 files changed, 8 insertions, 8 deletions

diff --git a/activerecord/test/cases/autosave_association_test.rb b/activerecord/test/cases/autosave_association_test.rb
index 6d31b7a091..2203aa1788 100644
--- a/activerecord/test/cases/autosave_association_test.rb
+++ b/activerecord/test/cases/autosave_association_test.rb
@@ -37,7 +37,7 @@ class TestAutosaveAssociationsInGeneral < ActiveRecord::TestCase
       private
 
         def should_be_cool
-          unless self.first_name == "cool"
+          unless first_name == "cool"
             errors.add :first_name, "not cool"
           end
         end
diff --git a/activerecord/test/cases/callbacks_test.rb b/activerecord/test/cases/callbacks_test.rb
index 11ec6fb2c5..53ff037de1 100644
--- a/activerecord/test/cases/callbacks_test.rb
+++ b/activerecord/test/cases/callbacks_test.rb
@@ -125,11 +125,11 @@ class ContextualCallbacksDeveloper < ActiveRecord::Base
   after_validation :after_validation_on_create_and_update, on: [ :create, :update ]
 
   def before_validation_on_create_and_update
-    history << "before_validation_on_#{self.validation_context}".to_sym
+    history << "before_validation_on_#{validation_context}".to_sym
   end
 
   def after_validation_on_create_and_update
-    history << "after_validation_on_#{self.validation_context}".to_sym
+    history << "after_validation_on_#{validation_context}".to_sym
   end
 
   def history
diff --git a/activerecord/test/cases/fixtures_test.rb b/activerecord/test/cases/fixtures_test.rb
index 1381678eef..61e596e208 100644
--- a/activerecord/test/cases/fixtures_test.rb
+++ b/activerecord/test/cases/fixtures_test.rb
@@ -1012,7 +1012,7 @@ end
 
 class FixtureClassNamesTest < ActiveRecord::TestCase
   def setup
-    @saved_cache = self.fixture_class_names.dup
+    @saved_cache = fixture_class_names.dup
   end
 
   def teardown
diff --git a/activerecord/test/cases/locking_test.rb b/activerecord/test/cases/locking_test.rb
index 95fb670dac..9e42242e55 100644
--- a/activerecord/test/cases/locking_test.rb
+++ b/activerecord/test/cases/locking_test.rb
@@ -18,7 +18,7 @@ class LockWithoutDefault < ActiveRecord::Base; end
 
 class LockWithCustomColumnWithoutDefault < ActiveRecord::Base
   self.table_name = :lock_without_defaults_cust
-  self.column_defaults # to test @column_defaults caching.
+  column_defaults # to test @column_defaults caching.
   self.locking_column = :custom_lock_version
 end
 
diff --git a/activerecord/test/cases/relation/mutation_test.rb b/activerecord/test/cases/relation/mutation_test.rb
index 2cbbc775ce..de15eb9187 100644
--- a/activerecord/test/cases/relation/mutation_test.rb
+++ b/activerecord/test/cases/relation/mutation_test.rb
@@ -108,7 +108,7 @@ module ActiveRecord
     end
 
     test "#reorder!" do
-      @relation = self.relation.order("foo")
+      @relation = relation.order("foo")
 
       assert relation.reorder!("bar").equal?(relation)
       assert_equal ["bar"], relation.order_values
diff --git a/activerecord/test/cases/timestamp_test.rb b/activerecord/test/cases/timestamp_test.rb
index 7766a74612..39b40e3411 100644
--- a/activerecord/test/cases/timestamp_test.rb
+++ b/activerecord/test/cases/timestamp_test.rb
@@ -422,7 +422,7 @@ class TimestampTest < ActiveRecord::TestCase
       self.table_name = "people"
 
       before_create do
-        self.born_at = self.created_at
+        self.born_at = created_at
       end
     end
 
diff --git a/activerecord/test/models/customer.rb b/activerecord/test/models/customer.rb
index 60af7c2247..3d40cb1ace 100644
--- a/activerecord/test/models/customer.rb
+++ b/activerecord/test/models/customer.rb
@@ -56,7 +56,7 @@ class GpsLocation
   end
 
   def ==(other)
-    self.latitude == other.latitude && self.longitude == other.longitude
+    latitude == other.latitude && longitude == other.longitude
   end
 end