1 files changed, 18 insertions, 4 deletions

diff --git a/activesupport/test/configurable_test.rb b/activesupport/test/configurable_test.rb
index 2e5ea2c360..da7729d066 100644
--- a/activesupport/test/configurable_test.rb
+++ b/activesupport/test/configurable_test.rb
@@ -5,7 +5,8 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
   class Parent
     include ActiveSupport::Configurable
     config_accessor :foo
-    config_accessor :bar, :instance_reader => false, :instance_writer => false
+    config_accessor :bar, instance_reader: false, instance_writer: false
+    config_accessor :baz, instance_accessor: false
   end
 
   class Child < Parent
@@ -19,13 +20,13 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
   end
 
   test "adds a configuration hash" do
-    assert_equal({ :foo => :bar }, Parent.config)
+    assert_equal({ foo: :bar }, Parent.config)
   end
 
   test "adds a configuration hash to a module as well" do
     mixin = Module.new { include ActiveSupport::Configurable }
     mixin.config.foo = :bar
-    assert_equal({ :foo => :bar }, mixin.config)
+    assert_equal({ foo: :bar }, mixin.config)
   end
 
   test "configuration hash is inheritable" do
@@ -39,8 +40,12 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
 
   test "configuration accessors is not available on instance" do
     instance = Parent.new
+
     assert !instance.respond_to?(:bar)
     assert !instance.respond_to?(:bar=)
+
+    assert !instance.respond_to?(:baz)
+    assert !instance.respond_to?(:baz=)
   end
 
   test "configuration hash is available on instance" do
@@ -71,6 +76,15 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
     assert_method_defined child.new.config, :bar
   end
 
+  test "should raise name error if attribute name is invalid" do
+    assert_raises NameError do
+      Class.new do 
+        include ActiveSupport::Configurable
+        config_accessor "invalid attribute name"
+      end
+    end
+  end
+
   def assert_method_defined(object, method)
     methods = object.public_methods.map(&:to_s)
     assert methods.include?(method.to_s), "Expected #{methods.inspect} to include #{method.to_s.inspect}"
@@ -80,4 +94,4 @@ class ConfigurableActiveSupport < ActiveSupport::TestCase
     methods = object.public_methods.map(&:to_s)
     assert !methods.include?(method.to_s), "Expected #{methods.inspect} to not include #{method.to_s.inspect}"
   end
-end
+end
\ No newline at end of file