From 7baecc48028e2d0cb57936ad10b9102ed129c9f9 Mon Sep 17 00:00:00 2001
From: robertomiranda <rjmaltamar@gmail.com>
Date: Fri, 18 Jan 2013 07:56:05 -0500
Subject: User Rails 4 find_by

---
 actionpack/lib/abstract_controller/helpers.rb          |  2 +-
 .../lib/action_controller/metal/http_authentication.rb |  4 ++--
 actionpack/lib/action_controller/test_case.rb          |  2 +-
 activemodel/lib/active_model/dirty.rb                  |  2 +-
 activemodel/lib/active_model/secure_password.rb        |  4 ++--
 activerecord/lib/active_record/associations.rb         |  2 +-
 activerecord/lib/active_record/autosave_association.rb |  8 ++++----
 activerecord/lib/active_record/integration.rb          |  4 ++--
 .../lib/active_record/relation/calculations.rb         |  2 +-
 .../eager_load_includes_full_sti_class_test.rb         |  4 ++--
 .../has_and_belongs_to_many_associations_test.rb       | 16 ++++++++--------
 .../cases/associations/has_many_associations_test.rb   | 14 +++++++-------
 .../associations/has_many_through_associations_test.rb |  2 +-
 .../cases/associations/has_one_associations_test.rb    |  4 ++--
 .../test/cases/associations/join_model_test.rb         |  2 +-
 activerecord/test/cases/autosave_association_test.rb   | 14 +++++++-------
 activerecord/test/cases/callbacks_test.rb              |  2 +-
 .../test/cases/deprecated_dynamic_methods_test.rb      | 18 +++++++++---------
 activerecord/test/cases/dirty_test.rb                  | 14 +++++++-------
 activerecord/test/cases/fixtures_test.rb               |  6 +++---
 activerecord/test/cases/primary_keys_test.rb           |  2 +-
 activerecord/test/cases/reload_models_test.rb          | 10 +++++-----
 activerecord/test/cases/store_test.rb                  |  2 +-
 23 files changed, 70 insertions(+), 70 deletions(-)

diff --git a/actionpack/lib/abstract_controller/helpers.rb b/actionpack/lib/abstract_controller/helpers.rb
index 812a35735f..93bb1d7189 100644
--- a/actionpack/lib/abstract_controller/helpers.rb
+++ b/actionpack/lib/abstract_controller/helpers.rb
@@ -29,7 +29,7 @@ module AbstractController
       #     helper_method :current_user, :logged_in?
       #
       #     def current_user
-      #       @current_user ||= User.find_by_id(session[:user])
+      #       @current_user ||= User.find_by(id: session[:user])
       #     end
       #
       #     def logged_in?
diff --git a/actionpack/lib/action_controller/metal/http_authentication.rb b/actionpack/lib/action_controller/metal/http_authentication.rb
index e295002b16..308b386d9a 100644
--- a/actionpack/lib/action_controller/metal/http_authentication.rb
+++ b/actionpack/lib/action_controller/metal/http_authentication.rb
@@ -29,7 +29,7 @@ module ActionController
     #
     #     protected
     #       def set_account
-    #         @account = Account.find_by_url_name(request.subdomains.first)
+    #         @account = Account.find_by(url_name: request.subdomains.first)
     #       end
     #
     #       def authenticate
@@ -344,7 +344,7 @@ module ActionController
     #
     #     protected
     #       def set_account
-    #         @account = Account.find_by_url_name(request.subdomains.first)
+    #         @account = Account.find_by(url_name: request.subdomains.first)
     #       end
     #
     #       def authenticate
diff --git a/actionpack/lib/action_controller/test_case.rb b/actionpack/lib/action_controller/test_case.rb
index d8206b573d..9a41b27108 100644
--- a/actionpack/lib/action_controller/test_case.rb
+++ b/actionpack/lib/action_controller/test_case.rb
@@ -275,7 +275,7 @@ module ActionController
   #       assert_response :found
   #
   #       # Assert that the controller really put the book in the database.
-  #       assert_not_nil Book.find_by_title("Love Hina")
+  #       assert_not_nil Book.find_by(title: "Love Hina")
   #     end
   #   end
   #
diff --git a/activemodel/lib/active_model/dirty.rb b/activemodel/lib/active_model/dirty.rb
index 6e67cd2285..789bdd74bf 100644
--- a/activemodel/lib/active_model/dirty.rb
+++ b/activemodel/lib/active_model/dirty.rb
@@ -46,7 +46,7 @@ module ActiveModel
   #
   # A newly instantiated object is unchanged:
   #
-  #   person = Person.find_by_name('Uncle Bob')
+  #   person = Person.find_by(name: 'Uncle Bob')
   #   person.changed?       # => false
   #
   # Change the name:
diff --git a/activemodel/lib/active_model/secure_password.rb b/activemodel/lib/active_model/secure_password.rb
index 6644b60609..762716a343 100644
--- a/activemodel/lib/active_model/secure_password.rb
+++ b/activemodel/lib/active_model/secure_password.rb
@@ -37,8 +37,8 @@ module ActiveModel
       #   user.save                                                      # => true
       #   user.authenticate('notright')                                  # => false
       #   user.authenticate('mUc3m00RsqyRe')                             # => user
-      #   User.find_by_name('david').try(:authenticate, 'notright')      # => false
-      #   User.find_by_name('david').try(:authenticate, 'mUc3m00RsqyRe') # => user
+      #   User.find_by(name: 'david').try(:authenticate, 'notright')      # => false
+      #   User.find_by(name: 'david').try(:authenticate, 'mUc3m00RsqyRe') # => user
       def has_secure_password(options = {})
         # Load bcrypt-ruby only when has_secure_password is used.
         # This is to avoid ActiveModel (and by extension the entire framework)
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb
index 16a46a59d1..232c0323e6 100644
--- a/activerecord/lib/active_record/associations.rb
+++ b/activerecord/lib/active_record/associations.rb
@@ -987,7 +987,7 @@ module ActiveRecord
     # associated objects themselves. So with +has_and_belongs_to_many+ and +has_many+
     # <tt>:through</tt>, the join records will be deleted, but the associated records won't.
     #
-    # This makes sense if you think about it: if you were to call <tt>post.tags.delete(Tag.find_by_name('food'))</tt>
+    # This makes sense if you think about it: if you were to call <tt>post.tags.delete(Tag.find_by(name: 'food'))</tt>
     # you would want the 'food' tag to be unlinked from the post, rather than for the tag itself
     # to be removed from the database.
     #
diff --git a/activerecord/lib/active_record/autosave_association.rb b/activerecord/lib/active_record/autosave_association.rb
index 704998301c..a1e229adb9 100644
--- a/activerecord/lib/active_record/autosave_association.rb
+++ b/activerecord/lib/active_record/autosave_association.rb
@@ -62,14 +62,14 @@ module ActiveRecord
   # Note that the model is _not_ yet removed from the database:
   #
   #   id = post.author.id
-  #   Author.find_by_id(id).nil? # => false
+  #   Author.find_by(id: id).nil? # => false
   #
   #   post.save
   #   post.reload.author # => nil
   #
   # Now it _is_ removed from the database:
   #
-  #   Author.find_by_id(id).nil? # => true
+  #   Author.find_by(id: id).nil? # => true
   #
   # === One-to-many Example
   #
@@ -113,14 +113,14 @@ module ActiveRecord
   # Note that the model is _not_ yet removed from the database:
   #
   #   id = post.comments.last.id
-  #   Comment.find_by_id(id).nil? # => false
+  #   Comment.find_by(id: id).nil? # => false
   #
   #   post.save
   #   post.reload.comments.length # => 1
   #
   # Now it _is_ removed from the database:
   #
-  #   Comment.find_by_id(id).nil? # => true
+  #   Comment.find_by(id: id).nil? # => true
 
   module AutosaveAssociation
     extend ActiveSupport::Concern
diff --git a/activerecord/lib/active_record/integration.rb b/activerecord/lib/active_record/integration.rb
index 7f877a6471..5eaa4c6987 100644
--- a/activerecord/lib/active_record/integration.rb
+++ b/activerecord/lib/active_record/integration.rb
@@ -19,7 +19,7 @@ module ActiveRecord
     # <tt>resources :users</tt> route. Normally, +user_path+ will
     # construct a path with the user object's 'id' in it:
     #
-    #   user = User.find_by_name('Phusion')
+    #   user = User.find_by(name: 'Phusion')
     #   user_path(user)  # => "/users/1"
     #
     # You can override +to_param+ in your model to make +user_path+ construct
@@ -31,7 +31,7 @@ module ActiveRecord
     #     end
     #   end
     #
-    #   user = User.find_by_name('Phusion')
+    #   user = User.find_by(name: 'Phusion')
     #   user_path(user)  # => "/users/Phusion"
     def to_param
       # We can't use alias_method here, because method 'id' optimizes itself on the fly.
diff --git a/activerecord/lib/active_record/relation/calculations.rb b/activerecord/lib/active_record/relation/calculations.rb
index 3f154bd1cc..2736281e33 100644
--- a/activerecord/lib/active_record/relation/calculations.rb
+++ b/activerecord/lib/active_record/relation/calculations.rb
@@ -76,7 +76,7 @@ module ActiveRecord
     #       puts values["Drake"]
     #       # => 43
     #
-    #       drake  = Family.find_by_last_name('Drake')
+    #       drake  = Family.find_by(last_name: 'Drake')
     #       values = Person.group(:family).maximum(:age) # Person belongs_to :family
     #       puts values[drake]
     #       # => 43
diff --git a/activerecord/test/cases/associations/eager_load_includes_full_sti_class_test.rb b/activerecord/test/cases/associations/eager_load_includes_full_sti_class_test.rb
index 75a6295350..b0a6e0a550 100644
--- a/activerecord/test/cases/associations/eager_load_includes_full_sti_class_test.rb
+++ b/activerecord/test/cases/associations/eager_load_includes_full_sti_class_test.rb
@@ -24,11 +24,11 @@ class EagerLoadIncludeFullStiClassNamesTest < ActiveRecord::TestCase
     old = ActiveRecord::Base.store_full_sti_class
 
     ActiveRecord::Base.store_full_sti_class = false
-    post = Namespaced::Post.includes(:tagging).find_by_title('Great stuff')
+    post = Namespaced::Post.includes(:tagging).find_by(title: 'Great stuff')
     assert_nil post.tagging
 
     ActiveRecord::Base.store_full_sti_class = true
-    post = Namespaced::Post.includes(:tagging).find_by_title('Great stuff')
+    post = Namespaced::Post.includes(:tagging).find_by(title: 'Great stuff')
     assert_instance_of Tagging, post.tagging
   ensure
     ActiveRecord::Base.store_full_sti_class = old
diff --git a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
index 1b1b479f1a..3c3355b0f8 100644
--- a/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
@@ -33,7 +33,7 @@ class ProjectWithAfterCreateHook < ActiveRecord::Base
   after_create :add_david
 
   def add_david
-    david = DeveloperForProjectWithAfterCreateHook.find_by_name('David')
+    david = DeveloperForProjectWithAfterCreateHook.find_by(name: 'David')
     david.projects << self
   end
 end
@@ -268,7 +268,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
     assert devel.persisted?
     assert proj2.persisted?
     assert_equal devel.projects.last, proj2
-    assert_equal Developer.find_by_name("Marcel").projects.last, proj2  # prove join table is updated
+    assert_equal Developer.find_by(name: "Marcel").projects.last, proj2  # prove join table is updated
   end
 
   def test_create
@@ -293,7 +293,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
     assert devel.persisted?
     assert proj2.persisted?
     assert_equal devel.projects.last, proj2
-    assert_equal Developer.find_by_name("Marcel").projects.last, proj2  # prove join table is updated
+    assert_equal Developer.find_by(name: "Marcel").projects.last, proj2  # prove join table is updated
   end
 
   def test_creation_respects_hash_condition
@@ -567,7 +567,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
     high_id_jamis = projects(:active_record).developers.create(:name => 'Jamis')
 
     assert_equal high_id_jamis, projects(:active_record).developers.merge(:where => "name = 'Jamis'").first
-    assert_equal high_id_jamis, projects(:active_record).developers.find_by_name('Jamis')
+    assert_equal high_id_jamis, projects(:active_record).developers.find_by(name: 'Jamis')
   end
 
   def test_find_should_prepend_to_association_order
@@ -581,8 +581,8 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
   end
 
   def test_new_with_values_in_collection
-    jamis = DeveloperForProjectWithAfterCreateHook.find_by_name('Jamis')
-    david = DeveloperForProjectWithAfterCreateHook.find_by_name('David')
+    jamis = DeveloperForProjectWithAfterCreateHook.find_by(name: 'Jamis')
+    david = DeveloperForProjectWithAfterCreateHook.find_by(name: 'David')
     project = ProjectWithAfterCreateHook.new(:name => "Cooking with Bertie")
     project.developers << jamis
     project.save!
@@ -751,7 +751,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
   end
 
   def test_scoped_find_on_through_association_doesnt_return_read_only_records
-    tag = Post.find(1).tags.find_by_name("General")
+    tag = Post.find(1).tags.find_by(name: "General")
 
     assert_nothing_raised do
       tag.save!
@@ -783,7 +783,7 @@ class HasAndBelongsToManyAssociationsTest < ActiveRecord::TestCase
   def test_dynamic_find_should_respect_association_include
     # SQL error in sort clause if :include is not included
     # due to Unknown column 'authors.id'
-    assert Category.find(1).posts_with_authors_sorted_by_author_id.find_by_title('Welcome to the weblog')
+    assert Category.find(1).posts_with_authors_sorted_by_author_id.find_by(title: 'Welcome to the weblog')
   end
 
   def test_count
diff --git a/activerecord/test/cases/associations/has_many_associations_test.rb b/activerecord/test/cases/associations/has_many_associations_test.rb
index 7e6c7d5862..3f9667fa94 100644
--- a/activerecord/test/cases/associations/has_many_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_associations_test.rb
@@ -253,7 +253,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     post   = Post.first
 
     assert_equal [], person.readers
-    assert_nil person.readers.find_by_post_id(post.id)
+    assert_nil person.readers.find_by(post_id: post.id)
 
     person.readers.create(:post_id => post.id)
 
@@ -311,7 +311,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
 
   def test_dynamic_find_should_respect_association_order
     assert_equal companies(:second_client), companies(:first_firm).clients_sorted_desc.where("type = 'Client'").first
-    assert_equal companies(:second_client), companies(:first_firm).clients_sorted_desc.find_by_type('Client')
+    assert_equal companies(:second_client), companies(:first_firm).clients_sorted_desc.find_by(type: 'Client')
   end
 
   def test_cant_save_has_many_readonly_association
@@ -878,7 +878,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     assert_equal [client_id], Client.destroyed_client_ids[firm.id]
 
     # Should be destroyed since the association is dependent.
-    assert_nil Client.find_by_id(client_id)
+    assert_nil Client.find_by(id: client_id)
   end
 
   def test_clearing_an_exclusively_dependent_association_collection
@@ -898,7 +898,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     assert_equal [], Client.destroyed_client_ids[firm.id]
 
     # Should be destroyed since the association is exclusively dependent.
-    assert_nil Client.find_by_id(client_id)
+    assert_nil Client.find_by(id: client_id)
   end
 
   def test_dependent_association_respects_optional_conditions_on_delete
@@ -947,7 +947,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
     old_record = firm.clients_using_primary_key_with_delete_all.first
     firm = Firm.first
     firm.destroy
-    assert_nil Client.find_by_id(old_record.id)
+    assert_nil Client.find_by(id: old_record.id)
   end
 
   def test_creation_respects_hash_condition
@@ -973,7 +973,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
 
   def test_deleting_a_item_which_is_not_in_the_collection
     force_signal37_to_load_all_clients_of_firm
-    summit = Client.find_by_name('Summit')
+    summit = Client.find_by(name: 'Summit')
     companies(:first_firm).clients_of_firm.delete(summit)
     assert_equal 1, companies(:first_firm).clients_of_firm.size
     assert_equal 1, companies(:first_firm).clients_of_firm(true).size
@@ -1299,7 +1299,7 @@ class HasManyAssociationsTest < ActiveRecord::TestCase
 
   def test_dynamic_find_should_respect_association_order_for_through
     assert_equal Comment.find(10), authors(:david).comments_desc.where("comments.type = 'SpecialComment'").first
-    assert_equal Comment.find(10), authors(:david).comments_desc.find_by_type('SpecialComment')
+    assert_equal Comment.find(10), authors(:david).comments_desc.find_by(type: 'SpecialComment')
   end
 
   def test_has_many_through_respects_hash_conditions
diff --git a/activerecord/test/cases/associations/has_many_through_associations_test.rb b/activerecord/test/cases/associations/has_many_through_associations_test.rb
index af91fb2920..0e9af3acec 100644
--- a/activerecord/test/cases/associations/has_many_through_associations_test.rb
+++ b/activerecord/test/cases/associations/has_many_through_associations_test.rb
@@ -524,7 +524,7 @@ class HasManyThroughAssociationsTest < ActiveRecord::TestCase
   def test_dynamic_find_should_respect_association_include
     # SQL error in sort clause if :include is not included
     # due to Unknown column 'comments.id'
-    assert Person.find(1).posts_with_comments_sorted_by_comment_id.find_by_title('Welcome to the weblog')
+    assert Person.find(1).posts_with_comments_sorted_by_comment_id.find_by(title: 'Welcome to the weblog')
   end
 
   def test_count_with_include_should_alias_join_table
diff --git a/activerecord/test/cases/associations/has_one_associations_test.rb b/activerecord/test/cases/associations/has_one_associations_test.rb
index 4ed09a3bf7..65562709a2 100644
--- a/activerecord/test/cases/associations/has_one_associations_test.rb
+++ b/activerecord/test/cases/associations/has_one_associations_test.rb
@@ -38,7 +38,7 @@ class HasOneAssociationsTest < ActiveRecord::TestCase
 
   def test_finding_using_primary_key
     firm = companies(:first_firm)
-    assert_equal Account.find_by_firm_id(firm.id), firm.account
+    assert_equal Account.find_by(firm_id: firm.id), firm.account
     firm.firm_id = companies(:rails_core).id
     assert_equal accounts(:rails_core_account), firm.account_using_primary_key
   end
@@ -46,7 +46,7 @@ class HasOneAssociationsTest < ActiveRecord::TestCase
   def test_update_with_foreign_and_primary_keys
     firm = companies(:first_firm)
     account = firm.account_using_foreign_and_primary_keys
-    assert_equal Account.find_by_firm_name(firm.name), account
+    assert_equal Account.find_by(firm_name: firm.name), account
     firm.save
     firm.reload
     assert_equal account, firm.account_using_foreign_and_primary_keys
diff --git a/activerecord/test/cases/associations/join_model_test.rb b/activerecord/test/cases/associations/join_model_test.rb
index 10ec33be75..368d862f4e 100644
--- a/activerecord/test/cases/associations/join_model_test.rb
+++ b/activerecord/test/cases/associations/join_model_test.rb
@@ -448,7 +448,7 @@ class AssociationsJoinModelTest < ActiveRecord::TestCase
   end
 
   def test_has_many_through_uses_correct_attributes
-    assert_nil posts(:thinking).tags.find_by_name("General").attributes["tag_id"]
+    assert_nil posts(:thinking).tags.find_by(name: "General").attributes["tag_id"]
   end
 
   def test_associating_unsaved_records_with_has_many_through
diff --git a/activerecord/test/cases/autosave_association_test.rb b/activerecord/test/cases/autosave_association_test.rb
index e5cb4f8f7a..a138b579a3 100644
--- a/activerecord/test/cases/autosave_association_test.rb
+++ b/activerecord/test/cases/autosave_association_test.rb
@@ -497,7 +497,7 @@ class TestDefaultAutosaveAssociationOnAHasManyAssociation < ActiveRecord::TestCa
     assert firm.save
     firm.reload
     assert_equal 2, firm.clients.length
-    assert firm.clients.include?(Client.find_by_name("New Client"))
+    assert firm.clients.include?(Client.find_by(name: "New Client"))
   end
 end
 
@@ -591,11 +591,11 @@ class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase
     id = @pirate.ship.id
 
     assert @pirate.ship.marked_for_destruction?
-    assert Ship.find_by_id(id)
+    assert Ship.find_by(id:id)
 
     @pirate.save
     assert_nil @pirate.reload.ship
-    assert_nil Ship.find_by_id(id)
+    assert_nil Ship.find_by(id: id)
   end
 
   def test_should_skip_validation_on_a_child_association_if_marked_for_destruction
@@ -638,11 +638,11 @@ class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase
     id = @ship.pirate.id
 
     assert @ship.pirate.marked_for_destruction?
-    assert Pirate.find_by_id(id)
+    assert Pirate.find_by(id: id)
 
     @ship.save
     assert_nil @ship.reload.pirate
-    assert_nil Pirate.find_by_id(id)
+    assert_nil Pirate.find_by(id:id)
   end
 
   def test_should_skip_validation_on_a_parent_association_if_marked_for_destruction
@@ -698,11 +698,11 @@ class TestDestroyAsPartOfAutosaveAssociation < ActiveRecord::TestCase
     ids = @pirate.birds.map(&:id)
 
     assert @pirate.birds.all? { |child| child.marked_for_destruction? }
-    ids.each { |id| assert klass.find_by_id(id) }
+    ids.each { |id| assert klass.find_by(id: id) }
 
     @pirate.save
     assert @pirate.reload.birds.empty?
-    ids.each { |id| assert_nil klass.find_by_id(id) }
+    ids.each { |id| assert_nil klass.find_by(id: id) }
   end
 
   def test_should_skip_validation_on_has_many_if_marked_for_destruction
diff --git a/activerecord/test/cases/callbacks_test.rb b/activerecord/test/cases/callbacks_test.rb
index 7457bafd4e..0a6c071523 100644
--- a/activerecord/test/cases/callbacks_test.rb
+++ b/activerecord/test/cases/callbacks_test.rb
@@ -476,7 +476,7 @@ class CallbacksTest < ActiveRecord::TestCase
     david = ImmutableDeveloper.find(1)
     assert !david.destroy
     assert_raise(ActiveRecord::RecordNotDestroyed) { david.destroy! }
-    assert_not_nil ImmutableDeveloper.find_by_id(1)
+    assert_not_nil ImmutableDeveloper.find_by(id: 1)
 
     someone = CallbackCancellationDeveloper.find(1)
     someone.cancel_before_destroy = true
diff --git a/activerecord/test/cases/deprecated_dynamic_methods_test.rb b/activerecord/test/cases/deprecated_dynamic_methods_test.rb
index 8e842d8758..cfc5c5d292 100644
--- a/activerecord/test/cases/deprecated_dynamic_methods_test.rb
+++ b/activerecord/test/cases/deprecated_dynamic_methods_test.rb
@@ -403,9 +403,9 @@ class DeprecatedDynamicMethodsTest < ActiveRecord::TestCase
     post   = Post.first
 
     assert_equal [], person.readers
-    assert_nil person.readers.find_by_post_id(post.id)
+    assert_nil person.readers.find_by(post_id: post.id)
 
-    person.readers.find_or_create_by_post_id(post.id)
+    person.readers.find_or_create_by(post_id: post.id)
 
     assert_equal 1, person.readers.count
     assert_equal 1, person.readers.length
@@ -513,34 +513,34 @@ class DeprecatedDynamicMethodsTest < ActiveRecord::TestCase
   def test_finder_block
     t = Topic.first
     found = nil
-    Topic.find_by_id(t.id) { |f| found = f }
+    Topic.find_by(id: t.id) { |f| found = f }
     assert_equal t, found
   end
 
   def test_finder_block_nothing_found
     bad_id = Topic.maximum(:id) + 1
-    assert_nil Topic.find_by_id(bad_id) { |f| raise }
+    assert_nil Topic.find_by(id: bad_id) { |f| raise }
   end
 
   def test_find_returns_block_value
     t = Topic.first
-    x = Topic.find_by_id(t.id) { |f| "hi mom!" }
+    x = Topic.find_by(id:t.id) { |f| "hi mom!" }
     assert_equal "hi mom!", x
   end
 
   def test_dynamic_finder_with_invalid_params
-    assert_raise(ArgumentError) { Topic.find_by_title 'No Title', :join => "It should be `joins'" }
+    assert_raise(ArgumentError) { Topic.find_by title: 'No Title', :join => "It should be `joins'" }
   end
 
   def test_find_by_one_attribute_with_order_option
-    assert_equal accounts(:signals37), Account.find_by_credit_limit(50, :order => 'id')
-    assert_equal accounts(:rails_core_account), Account.find_by_credit_limit(50, :order => 'id DESC')
+    assert_equal accounts(:signals37), Account.find_by(credit_limit: 50, :order => 'id')
+    assert_equal accounts(:rails_core_account), Account.find_by(credit_limit: 50, :order => 'id DESC')
   end
 
   def test_dynamic_find_by_attributes_should_yield_found_object
     david = authors(:david)
     yielded_value = nil
-    Author.find_by_name(david.name) do |author|
+    Author.find_by(name: david.name) do |author|
       yielded_value = author
     end
     assert_equal david, yielded_value
diff --git a/activerecord/test/cases/dirty_test.rb b/activerecord/test/cases/dirty_test.rb
index b9961a4420..4fdade2d87 100644
--- a/activerecord/test/cases/dirty_test.rb
+++ b/activerecord/test/cases/dirty_test.rb
@@ -249,21 +249,21 @@ class DirtyTest < ActiveRecord::TestCase
     pirate.save
 
     # check the change from 1 to ''
-    pirate = Pirate.find_by_catchphrase("Yarrrr, me hearties")
+    pirate = Pirate.find_by(catchphrase: "Yarrrr, me hearties")
     pirate.parrot_id = ''
     assert pirate.parrot_id_changed?
     assert_equal([1, nil], pirate.parrot_id_change)
     pirate.save
 
     # check the change from nil to 0
-    pirate = Pirate.find_by_catchphrase("Yarrrr, me hearties")
+    pirate = Pirate.find_by(catchphrase: "Yarrrr, me hearties")
     pirate.parrot_id = 0
     assert pirate.parrot_id_changed?
     assert_equal([nil, 0], pirate.parrot_id_change)
     pirate.save
 
     # check the change from 0 to ''
-    pirate = Pirate.find_by_catchphrase("Yarrrr, me hearties")
+    pirate = Pirate.find_by(catchphrase: "Yarrrr, me hearties")
     pirate.parrot_id = ''
     assert pirate.parrot_id_changed?
     assert_equal([0, nil], pirate.parrot_id_change)
@@ -494,7 +494,7 @@ class DirtyTest < ActiveRecord::TestCase
     pirate.reload
     assert_equal Hash.new, pirate.previous_changes
 
-    pirate = Pirate.find_by_catchphrase("arrr")
+    pirate = Pirate.find_by(catchphrase: "arrr")
     pirate.catchphrase = "Me Maties!"
     pirate.save!
 
@@ -505,7 +505,7 @@ class DirtyTest < ActiveRecord::TestCase
     assert !pirate.previous_changes.key?('parrot_id')
     assert !pirate.previous_changes.key?('created_on')
 
-    pirate = Pirate.find_by_catchphrase("Me Maties!")
+    pirate = Pirate.find_by(catchphrase: "Me Maties!")
     pirate.catchphrase = "Thar She Blows!"
     pirate.save
 
@@ -516,7 +516,7 @@ class DirtyTest < ActiveRecord::TestCase
     assert !pirate.previous_changes.key?('parrot_id')
     assert !pirate.previous_changes.key?('created_on')
 
-    pirate = Pirate.find_by_catchphrase("Thar She Blows!")
+    pirate = Pirate.find_by(catchphrase: "Thar She Blows!")
     pirate.update(catchphrase: "Ahoy!")
 
     assert_equal 2, pirate.previous_changes.size
@@ -526,7 +526,7 @@ class DirtyTest < ActiveRecord::TestCase
     assert !pirate.previous_changes.key?('parrot_id')
     assert !pirate.previous_changes.key?('created_on')
 
-    pirate = Pirate.find_by_catchphrase("Ahoy!")
+    pirate = Pirate.find_by_catchphrase(catchphrase: "Ahoy!")
     pirate.update_attribute(:catchphrase, "Ninjas suck!")
 
     assert_equal 2, pirate.previous_changes.size
diff --git a/activerecord/test/cases/fixtures_test.rb b/activerecord/test/cases/fixtures_test.rb
index b0b29f5f42..58f9f7e3b9 100644
--- a/activerecord/test/cases/fixtures_test.rb
+++ b/activerecord/test/cases/fixtures_test.rb
@@ -66,7 +66,7 @@ class FixturesTest < ActiveRecord::TestCase
 
   def test_create_fixtures
     fixtures = ActiveRecord::FixtureSet.create_fixtures(FIXTURES_ROOT, "parrots")
-    assert Parrot.find_by_name('Curious George'), 'George is not in the database'
+    assert Parrot.find_by(name: 'Curious George'), 'George is not in the database'
     assert fixtures.detect { |f| f.name == 'parrots' }, "no fixtures named 'parrots' in #{fixtures.map(&:name).inspect}"
   end
 
@@ -80,7 +80,7 @@ class FixturesTest < ActiveRecord::TestCase
   def test_create_symbol_fixtures
     fixtures = ActiveRecord::FixtureSet.create_fixtures(FIXTURES_ROOT, :collections, :collections => Course) { Course.connection }
 
-    assert Course.find_by_name('Collection'), 'course is not in the database'
+    assert Course.find_by(name: 'Collection'), 'course is not in the database'
     assert fixtures.detect { |f| f.name == 'collections' }, "no fixtures named 'collections' in #{fixtures.map(&:name).inspect}"
   end
 
@@ -738,7 +738,7 @@ class ActiveSupportSubclassWithFixturesTest < ActiveRecord::TestCase
   # This seemingly useless assertion catches a bug that caused the fixtures
   # setup code call nil[]
   def test_foo
-    assert_equal parrots(:louis), Parrot.find_by_name("King Louis")
+    assert_equal parrots(:louis), Parrot.find_by(name: "King Louis")
   end
 end
 
diff --git a/activerecord/test/cases/primary_keys_test.rb b/activerecord/test/cases/primary_keys_test.rb
index 8e5379cb1f..b6fc7b745e 100644
--- a/activerecord/test/cases/primary_keys_test.rb
+++ b/activerecord/test/cases/primary_keys_test.rb
@@ -54,7 +54,7 @@ class PrimaryKeysTest < ActiveRecord::TestCase
     Keyboard.delete_all
     keyboard = Keyboard.new(:name => 'HHKB')
     assert_nothing_raised { keyboard.save! }
-    assert_equal keyboard.id, Keyboard.find_by_name('HHKB').id
+    assert_equal keyboard.id, Keyboard.find_by(name: 'HHKB').id
   end
 
   def test_customized_primary_key_can_be_get_before_saving
diff --git a/activerecord/test/cases/reload_models_test.rb b/activerecord/test/cases/reload_models_test.rb
index 0d16a3526f..6775116216 100644
--- a/activerecord/test/cases/reload_models_test.rb
+++ b/activerecord/test/cases/reload_models_test.rb
@@ -6,8 +6,8 @@ class ReloadModelsTest < ActiveRecord::TestCase
   fixtures :pets
 
   def test_has_one_with_reload
-    pet = Pet.find_by_name('parrot')
-    pet.owner = Owner.find_by_name('ashley')
+    pet = Pet.find_by(name: 'parrot')
+    pet.owner = Owner.find_by(name: 'ashley')
 
     # Reload the class Owner, simulating auto-reloading of model classes in a
     # development environment. Note that meanwhile the class Pet is not
@@ -15,8 +15,8 @@ class ReloadModelsTest < ActiveRecord::TestCase
     Object.class_eval { remove_const :Owner }
     Kernel.load(File.expand_path(File.join(File.dirname(__FILE__), "../models/owner.rb")))
 
-    pet = Pet.find_by_name('parrot')
-    pet.owner = Owner.find_by_name('ashley')
-    assert_equal pet.owner, Owner.find_by_name('ashley')
+    pet = Pet.find_by(name: 'parrot')
+    pet.owner = Owner.find_by(name: 'ashley')
+    assert_equal pet.owner, Owner.find_by(name: 'ashley')
   end
 end
diff --git a/activerecord/test/cases/store_test.rb b/activerecord/test/cases/store_test.rb
index 43bf285ba9..be5782c781 100644
--- a/activerecord/test/cases/store_test.rb
+++ b/activerecord/test/cases/store_test.rb
@@ -77,7 +77,7 @@ class StoreTest < ActiveRecord::TestCase
   end
 
   test "convert store attributes from Hash to HashWithIndifferentAccess saving the data and access attributes indifferently" do
-    user = Admin::User.find_by_name('Jamis')
+    user = Admin::User.find_by(name: 'Jamis')
     assert_equal 'symbol',  user.settings[:symbol]
     assert_equal 'symbol',  user.settings['symbol']
     assert_equal 'string',  user.settings[:string]
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