Tests: added Ruby test with constants.

test/ruby/constants/config.ru

@@ -0,0 +1,15 @@
+app = Proc.new do |env|
+    ['200', {
+        'X-Copyright' => RUBY_COPYRIGHT,
+        'X-Description' => RUBY_DESCRIPTION,
+        'X-Engine' => RUBY_ENGINE,
+        'X-Engine-Version' => RUBY_ENGINE_VERSION,
+        'X-Patchlevel' => RUBY_PATCHLEVEL.to_s,
+        'X-Platform' => RUBY_PLATFORM,
+        'X-Release-Date' => RUBY_RELEASE_DATE,
+        'X-Revision' => RUBY_REVISION.to_s,
+        'X-Version' => RUBY_VERSION,
+    }, []]
+end
+
+run app

test/test_ruby_application.py

@@ -347,6 +347,29 @@ def test_ruby_keepalive_body(self):
 
         self.assertEqual(resp['body'], '0123456789', 'keep-alive 2')
 
+    def test_ruby_application_constants(self):
+        self.load('constants')
+
+        resp = self.get()
+
+        self.assertEqual(resp['status'], 200, 'status')
+
+        headers = resp['headers']
+        self.assertGreater(len(headers['X-Copyright']), 0, 'RUBY_COPYRIGHT')
+        self.assertGreater(
+            len(headers['X-Description']), 0, 'RUBY_DESCRIPTION'
+        )
+        self.assertGreater(len(headers['X-Engine']), 0, 'RUBY_ENGINE')
+        self.assertGreater(
+            len(headers['X-Engine-Version']), 0, 'RUBY_ENGINE_VERSION'
+        )
+        self.assertGreater(len(headers['X-Patchlevel']), 0, 'RUBY_PATCHLEVEL')
+        self.assertGreater(len(headers['X-Platform']), 0, 'RUBY_PLATFORM')
+        self.assertGreater(
+            len(headers['X-Release-Date']), 0, 'RUBY_RELEASE_DATE'
+        )
+        self.assertGreater(len(headers['X-Revision']), 0, 'RUBY_REVISION')
+        self.assertGreater(len(headers['X-Version']), 0, 'RUBY_VERSION')
 
 if __name__ == '__main__':
     TestRubyApplication.main()