Move custom assertion to its proper place

ActiveSupport::Testing::Assertions.

We have a separate module in which have defined Rails' own custom
assertions. So it would be good to keep all custom Rails' assertions in
one place i.e. in this module.

1 files changed, 11 insertions, 0 deletions

diff --git a/activesupport/lib/active_support/testing/assertions.rb b/activesupport/lib/active_support/testing/assertions.rb
index 7770aa8006..6a6941c72a 100644
--- a/activesupport/lib/active_support/testing/assertions.rb
+++ b/activesupport/lib/active_support/testing/assertions.rb
@@ -19,6 +19,17 @@ module ActiveSupport
         assert !object, message
       end
 
+      # Assertion that the block should not raise an exception.
+      #
+      # Passes if evaluated code in the yielded block raises no exception.
+      #
+      #   assert_nothing_raised do
+      #     perform_service(param: 'no_exception')
+      #   end
+      def assert_nothing_raised
+        yield
+      end
+
       # Test numeric difference between the return value of an expression as a
       # result of what is evaluated in the yielded block.
       #