Exceptions like Interrupt should not be rescued in tests.

This is a back-port of rails/rails#6525. See the commit notes there for
details.

1 files changed, 42 insertions, 2 deletions

diff --git a/activesupport/test/test_case_test.rb b/activesupport/test/test_case_test.rb
index 756d21b3e4..c4653b1ae6 100644
--- a/activesupport/test/test_case_test.rb
+++ b/activesupport/test/test_case_test.rb
@@ -19,7 +19,7 @@ module ActiveSupport
     end
 
     if defined?(MiniTest::Assertions) && TestCase < MiniTest::Assertions
-      def test_callback_with_exception
+      def test_standard_error_raised_within_setup_callback_is_puked
         tc = Class.new(TestCase) do
           setup :bad_callback
           def bad_callback; raise 'oh noes' end
@@ -38,7 +38,7 @@ module ActiveSupport
         assert_equal 'oh noes', exception.message
       end
 
-      def test_teardown_callback_with_exception
+      def test_standard_error_raised_within_teardown_callback_is_puked
         tc = Class.new(TestCase) do
           teardown :bad_callback
           def bad_callback; raise 'oh noes' end
@@ -56,6 +56,46 @@ module ActiveSupport
         assert_equal test_name, name
         assert_equal 'oh noes', exception.message
       end
+
+      def test_passthrough_exception_raised_within_test_method_is_not_rescued
+        tc = Class.new(TestCase) do
+          def test_which_raises_interrupt; raise Interrupt; end
+        end
+
+        test_name = 'test_which_raises_interrupt'
+        fr = FakeRunner.new
+
+        test = tc.new test_name
+        assert_raises(Interrupt) { test.run fr }
+      end
+
+      def test_passthrough_exception_raised_within_setup_callback_is_not_rescued
+        tc = Class.new(TestCase) do
+          setup :callback_which_raises_interrupt
+          def callback_which_raises_interrupt; raise Interrupt; end
+          def test_true; assert true end
+        end
+
+        test_name = 'test_true'
+        fr = FakeRunner.new
+
+        test = tc.new test_name
+        assert_raises(Interrupt) { test.run fr }
+      end
+
+      def test_passthrough_exception_raised_within_teardown_callback_is_not_rescued
+        tc = Class.new(TestCase) do
+          teardown :callback_which_raises_interrupt
+          def callback_which_raises_interrupt; raise Interrupt; end
+          def test_true; assert true end
+        end
+
+        test_name = 'test_true'
+        fr = FakeRunner.new
+
+        test = tc.new test_name
+        assert_raises(Interrupt) { test.run fr }
+      end
     end
   end
 end