//Dstl (c) Crown Copyright 2017
package uk.gov.dstl.baleen.core.utils;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static uk.gov.dstl.baleen.core.utils.BuilderUtils.convertToParameterValue;
import static uk.gov.dstl.baleen.core.utils.BuilderUtils.convertToParameterValues;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.junit.Test;

public class BuilderUtilsTest {
	@Test
	public void testConvertToParameterValue(){
		Object n = null;
		assertEquals(null, convertToParameterValue(n));
		
		Object s = "Hello World";
		assertEquals("Hello World", convertToParameterValue(s));
		
		Object ss = new String[2];
		assertTrue(convertToParameterValue(ss) instanceof String[]);
		
		Object b = true;
		assertEquals(true, convertToParameterValue(b));
		b = false;
		assertEquals(false, convertToParameterValue(b));
		
		Object i = new Integer(143);
		assertEquals(143, convertToParameterValue(i));
		
		Object l = new Long(7232);
		assertEquals(new Integer(7232), convertToParameterValue(l));
		
		Object f = new Float(1523.234);
		assertEquals(1523.234f, convertToParameterValue(f));
		
		Object d = new Double(1523.234);
		assertEquals(1523.234f, convertToParameterValue(d));
		
		Object c = getClass();
		assertTrue(convertToParameterValue(c) instanceof String);
		
		assertNotNull(convertToParameterValue(Collections.emptyList()));
		assertNotNull(convertToParameterValue(new Object[0]));
	}
	
	@Test
	public void testConvertToParameterValuesArray(){
		Object[] a = new Object[3];
		a[0] = "Hello";
		a[1] = 1234;
		a[2] = true;
		
		Object aRet = convertToParameterValues(a);
		assertTrue(aRet instanceof Object[]);
		Object[] aRetArr = (Object[]) aRet;
		assertEquals("Hello", aRetArr[0]);
		assertEquals(1234, aRetArr[1]);
		assertEquals(true, aRetArr[2]);
	}
	
	@Test
	public void testConvertToParameterValuesCollection(){
		List<Object> a = new ArrayList<>();
		a.add("Hello");
		a.add(1234);
		a.add(true);
		
		Object aRet = convertToParameterValues(a);
		assertTrue(aRet instanceof Object[]);
		Object[] aRetArr = (Object[]) aRet;
		assertEquals("Hello", aRetArr[0]);
		assertEquals(1234, aRetArr[1]);
		assertEquals(true, aRetArr[2]);
	}
}