remove redundant curlies from hash arguments

4 files changed, 7 insertions, 11 deletions

diff --git a/activemodel/lib/active_model/errors.rb b/activemodel/lib/active_model/errors.rb
index 2468ebb6e6..0cdb0e8525 100644
--- a/activemodel/lib/active_model/errors.rb
+++ b/activemodel/lib/active_model/errors.rb
@@ -439,11 +439,9 @@ module ActiveModel
       return message if attribute == :base
       attr_name = attribute.to_s.tr(".", "_").humanize
       attr_name = @base.class.human_attribute_name(attribute, default: attr_name)
-      I18n.t(:"errors.format", {
-        default:  "%{attribute} %{message}",
+      I18n.t(:"errors.format",         default:  "%{attribute} %{message}",
         attribute: attr_name,
-        message:   message
-      })
+        message:   message)
     end
 
     # Translates an error message in its default scope
diff --git a/activemodel/test/cases/forbidden_attributes_protection_test.rb b/activemodel/test/cases/forbidden_attributes_protection_test.rb
index af61a566cb..fdd349a0fb 100644
--- a/activemodel/test/cases/forbidden_attributes_protection_test.rb
+++ b/activemodel/test/cases/forbidden_attributes_protection_test.rb
@@ -25,14 +25,14 @@ end
 
 class ActiveModelMassUpdateProtectionTest < ActiveSupport::TestCase
   test "forbidden attributes cannot be used for mass updating" do
-    params = ProtectedParams.new({ "a" => "b" })
+    params = ProtectedParams.new("a" => "b")
     assert_raises(ActiveModel::ForbiddenAttributesError) do
       Account.new.sanitize_for_mass_assignment(params)
     end
   end
 
   test "permitted attributes can be used for mass updating" do
-    params = ProtectedParams.new({ "a" => "b" }).permit!
+    params = ProtectedParams.new("a" => "b").permit!
     assert_equal({ "a" => "b" }, Account.new.sanitize_for_mass_assignment(params))
   end
 
diff --git a/activemodel/test/cases/type/integer_test.rb b/activemodel/test/cases/type/integer_test.rb
index 0fa7a12de0..e00246b602 100644
--- a/activemodel/test/cases/type/integer_test.rb
+++ b/activemodel/test/cases/type/integer_test.rb
@@ -20,7 +20,7 @@ module ActiveModel
       test "random objects cast to nil" do
         type = Type::Integer.new
         assert_nil type.cast([1,2])
-        assert_nil type.cast({1 => 2})
+        assert_nil type.cast(1 => 2)
         assert_nil type.cast(1..2)
       end
 
diff --git a/activemodel/test/cases/validations/confirmation_validation_test.rb b/activemodel/test/cases/validations/confirmation_validation_test.rb
index 9ce3955a89..b1c4d42065 100644
--- a/activemodel/test/cases/validations/confirmation_validation_test.rb
+++ b/activemodel/test/cases/validations/confirmation_validation_test.rb
@@ -56,10 +56,8 @@ class ConfirmationValidationTest < ActiveModel::TestCase
       @old_load_path, @old_backend = I18n.load_path.dup, I18n.backend
       I18n.load_path.clear
       I18n.backend = I18n::Backend::Simple.new
-      I18n.backend.store_translations("en", {
-        errors: { messages: { confirmation: "doesn't match %{attribute}" } },
-        activemodel: { attributes: { topic: { title: "Test Title"} } }
-      })
+      I18n.backend.store_translations("en",         errors: { messages: { confirmation: "doesn't match %{attribute}" } },
+        activemodel: { attributes: { topic: { title: "Test Title"} } })
 
       Topic.validates_confirmation_of(:title)