package de.superx.servlet;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;

import java.lang.reflect.Field;
import java.util.HashMap;

import jakarta.servlet.http.HttpServletRequest;

import org.apache.commons.fileupload.FileUploadException;
import org.junit.Test;

/**
 * @author hiber
 */
public class CSVServletRequestTest extends BaseServletTest {
	
	private CSVServletRequest csvServletRequest;
	
	/**
	 * Test (using reflection) for 
	 * {@link de.superx.servlet.CSVServletRequest}
	 * 
	 * @throws IllegalArgumentException
	 * @throws IllegalAccessException
	 * @throws NoSuchFieldException
	 * @throws SecurityException
	 */
	@Test
	public void testConstructor() throws IllegalArgumentException, IllegalAccessException, NoSuchFieldException, SecurityException {
		HashMap<String, String[]> params = new HashMap<>();
		
		Exception neverThrownException = null;
		try {
			this.csvServletRequest = new CSVServletRequest(this.request, params);
		} catch (FileUploadException e) {
			neverThrownException = e;
		}
		assertNull("exception has not been thrown", neverThrownException);
		assertEquals("passed map equals returned map", this.csvServletRequest.getParameterMap(), params);
		
		Field requestField = this.csvServletRequest.getClass().getDeclaredField("r");
		requestField.setAccessible(true);
		
		HttpServletRequest privateRequestFieldValue = (HttpServletRequest) requestField.get(this.csvServletRequest);
		assertEquals("passed request equals returned request", privateRequestFieldValue, this.request);
		requestField.setAccessible(false);
	}
}