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From GitBox <...@apache.org>
Subject [GitHub] [pulsar] prasanthkumar2392 commented on issue #6642: Context in Pulsar functions not getting mocked
Date Fri, 03 Apr 2020 05:44:12 GMT
prasanthkumar2392 commented on issue #6642: Context in Pulsar functions not getting mocked
URL: https://github.com/apache/pulsar/issues/6642#issuecomment-608241467
 
 
   Hi, 
   
   - I am using functions api 2.5.0 and I am using context to set the key and value inside
functions and sending it to the output topic.
   
   - But in my test class, I am trying to mock the context and i am unsuccesfull.
   (Also tried context configuration of puslar test container to see if context is not null)
   
   My function class to process the messages 
   ` 
   
   import org.apache.pulsar.client.api.PulsarClientException;
   import org.apache.pulsar.client.api.Schema;
   import org.apache.pulsar.functions.api.Context;
   import org.apache.pulsar.functions.api.Function;
   import org.slf4j.Logger;
   
   
   public class MyFunction implements Function<byte[], Void> {
   
       @Override
       public Void process(byte[] input, Context context) throws Exception {
           Logger log = context.getLogger();
           log.debug("Entered ");
           
           //Initialize Required classes to process message
   
           if (input != null) {
               try {
                   // assign the key and value and send it to output topic
                   log.debug("Key  :");
                   log.debug("Value ");
                   context.newOutputMessage(context.getOutputTopic(), Schema.STRING)
                           .key("")
                           .value("")
                           .send();
   
               } catch (PulsarClientException e) {
                   log.error("error in " + e.toString());
               }
           }
           return null;
       }
   
   }
   
   `
   
   
   and my sample test class 
   `import com.ericsson.iota.dm.function.MyFunction;
   import org.apache.pulsar.functions.api.Context;
   import org.junit.jupiter.api.Test;
   
   import static org.mockito.Mockito.mock;
   
   public class FunctionTest {
   
   
       @Test
       public void functionProcessing() throws Exception {
           String message ="{\n" +
                   "   \"name\": \"XXXXX\",\n" +
                   "   \"email\": \"xxxxx@xxx.com\"\n" +
                   "}";
           MyFunction myFunction =new MyFunction();
           myFunction.process(message.getBytes(), mock(Context.class));
           // Assert conditions
       }
   }
   
   `
   
   

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