RequestIdHandlerTest.java

import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.junit.Test;

import static org.junit.Assert.*;

public class RequestIdHandlerTest
{

	@Test
	public void getRequestIdInt() throws JsonProcessingException
	{
		int value = 5;
		RequestIdHandler requestIdHandler = new RequestIdHandler( value );
		assertEquals( value, requestIdHandler.getRequestIdAsInt() );
	}


	@Test
	public void setRequestIdJsonNode() throws JsonProcessingException
	{
		String value = "\"Five\"";
		String theAnswerToLifeTheUniverseAndEverything = "\"Forty two\"";
		ObjectMapper objectMapper = new ObjectMapper();
		JsonNode stringNode1 = objectMapper.readTree( value );
		JsonNode stringNode2 = objectMapper.readTree( theAnswerToLifeTheUniverseAndEverything );
		RequestIdHandler requestIdHandler = new RequestIdHandler( "\"" + stringNode1.asText() + "\"" );
		assertEquals( stringNode1.asText(), requestIdHandler.getRequestIdAsString() );
		requestIdHandler.setRequestId( stringNode2 );
		assertEquals( stringNode2.asText(), requestIdHandler.getRequestIdAsString() );
	}


	@Test
	public void setRequestIdString() throws JsonProcessingException
	{
		String firstValue = "\"Five\"";
		String theAnswerToLifeTheUniverseAndEverything = "\"Forty two\"";
		RequestIdHandler requestIdHandler = new RequestIdHandler( firstValue );
		assertEquals( firstValue, "\"" + requestIdHandler.getRequestIdAsString() + "\"" );
		requestIdHandler.setRequestId( theAnswerToLifeTheUniverseAndEverything );
		assertEquals( theAnswerToLifeTheUniverseAndEverything, "\"" + requestIdHandler.getRequestIdAsString() + "\"" );
	}


	@Test
	public void setRequestIdInt() throws JsonProcessingException
	{
		int value = 5;
		int theAnswerToLifeTheUniverseAndEverything = 42;
		RequestIdHandler requestIdHandler = new RequestIdHandler( value );
		assertEquals( value, requestIdHandler.getRequestIdAsInt() );
		requestIdHandler.setRequestId( theAnswerToLifeTheUniverseAndEverything );
		assertEquals( theAnswerToLifeTheUniverseAndEverything, requestIdHandler.getRequestIdAsInt() );
	}


	@Test
	public void isRequestIdAutoIncrement() throws JsonProcessingException
	{
		int value = 5;
		RequestIdHandler requestIdHandler = new RequestIdHandler( value );
		assertTrue( requestIdHandler.isRequestIdAutoIncrement() );

		requestIdHandler.incrementRequestId();
		assertEquals( value + 1, requestIdHandler.getRequestIdAsInt() );

		String firstValue = "\"Five\"";
		requestIdHandler = new RequestIdHandler( firstValue );
		assertFalse( requestIdHandler.isRequestIdAutoIncrement() );
	}
}