feat: handle client errors correctly

Author: kotapeter

lib/session_validator/client.rb

@@ -31,7 +31,7 @@ def valid?(msid)
 
       log Logger::DEBUG, "response code: #{response.code}, response body: #{response.body}"
 
-      !response.is_a? Net::HTTPNotFound
+      response.is_a? Net::HTTPSuccess or response.is_a? Net::HTTPServerError
     rescue Net::OpenTimeout
       log Logger::DEBUG, "open timeout"
       true

spec/session_validator/client_spec.rb

@@ -46,6 +46,12 @@
       it { is_expected.to eq false }
     end
 
+    context "client is not configured properly" do
+      before { http_request.to_return status: [401, "Unauthorized"] }
+
+      it { is_expected.to eq false }
+    end
+
     context "service is not working properly" do
       before { http_request.to_return status: [500, "Internal Server Error"] }