Bugfixes jwks (#43)

* Sync output

* Rubocop

* Fixed the JWKS output format

* Rubocop

* Fixed tests

Author: bellebaum

lib/oauth_helper.rb

@@ -79,7 +79,7 @@ def self.generate_jwks
         jwks << jwk
       end
     end
-    jwks.uniq { |k| k['kid'] }
+    { keys: jwks.uniq { |k| k['kid'] } }
   end
 
   def self.openid_configuration(host, path)

tests/test_jwks.rb

@@ -25,7 +25,7 @@ def test_jwks
     assert last_response.ok?
     jwks = JSON.parse last_response.body
     assert_equal 1, jwks.length
-    jwk = jwks[0]
+    jwk = jwks['keys'][0]
     assert_equal "RSA", jwk['kty']
     assert_equal "sig", jwk['use']
     assert_equal 2, jwk['x5c'].length