1 files changed, 42 insertions, 0 deletions
diff --git a/activesupport/test/configurable_test.rb b/activesupport/test/configurable_test.rb
new file mode 100644
index 0000000000..cef67e3cf9
--- /dev/null
+++ b/activesupport/test/configurable_test.rb
@@ -0,0 +1,42 @@
+require 'abstract_unit'
+require 'active_support/configurable'
+
+class ConfigurableActiveSupport < ActiveSupport::TestCase
+  class Parent
+    include ActiveSupport::Configurable
+    config_accessor :foo
+  end
+
+  class Child < Parent
+  end
+
+  setup do
+    Parent.config.clear
+    Parent.config.foo = :bar
+
+    Child.config.clear
+  end
+
+  test "adds a configuration hash" do
+    assert_equal({ :foo => :bar }, Parent.config)
+  end
+
+  test "configuration hash is inheritable" do
+    assert_equal :bar, Child.config.foo
+    assert_equal :bar, Parent.config.foo
+
+    Child.config.foo = :baz
+    assert_equal :baz, Child.config.foo
+    assert_equal :bar, Parent.config.foo
+  end
+
+  test "configuration hash is available on instance" do
+    instance = Parent.new
+    assert_equal :bar, instance.config.foo
+    assert_equal :bar, Parent.config.foo
+
+    instance.config.foo = :baz
+    assert_equal :baz, instance.config.foo
+    assert_equal :bar, Parent.config.foo
+  end
+end
+\ No newline at end of file