UtilTests.java

package org.nlpcn.es4sql;

import org.junit.Assert;
import org.junit.Test;

import java.util.HashMap;
import java.util.Map;

/**
 * Created by Eliran on 25/8/2016.
 */
public class UtilTests {

    @Test
    public void clearEmptyPaths_EmptyMap_ShouldReturnTrue(){
        Map<String,Object> map = new HashMap<>();
        boolean result = Util.clearEmptyPaths(map);
        Assert.assertTrue(result);
    }

    @Test
    public void clearEmptyPaths_EmptyPathSize1_ShouldReturnTrueAndMapShouldBeEmpty(){
        Map<String,Object> map = new HashMap<>();
        map.put("a",new HashMap<String,Object>());
        boolean result = Util.clearEmptyPaths(map);
        Assert.assertTrue(result);
        Assert.assertEquals(0,map.size());
    }

    @Test
    public void clearEmptyPaths_EmptyPathSize2_ShouldReturnTrueAndMapShouldBeEmpty(){
        Map<String,Object> map = new HashMap<>();
        Map<String,Object> innerMap = new HashMap<>();
        innerMap.put("b",new HashMap<String,Object>());
        map.put("a",innerMap);
        boolean result = Util.clearEmptyPaths(map);
        Assert.assertTrue(result);
        Assert.assertEquals(0,map.size());
    }

    @Test
    public void clearEmptyPaths_2PathsOneEmpty_MapShouldBeSizeOne(){
        Map<String,Object> map = new HashMap<>();
        map.put("a",new HashMap<String,Object>());
        map.put("c",1);
        Util.clearEmptyPaths(map);
        Assert.assertEquals(1,map.size());
    }

    @Test
    public void clearEmptyPaths_MapSizeTwoAndTwoOneInnerEmpty_MapShouldBeSizeTwoAndOne(){
        Map<String,Object> map = new HashMap<>();
        Map<String,Object> innerMap = new HashMap<>();
        innerMap.put("b",2);
        innerMap.put("c",new HashMap<String,Object>());
        map.put("a",innerMap);
        map.put("c",1);
        Util.clearEmptyPaths(map);
        Assert.assertEquals(2,map.size());
        Assert.assertEquals(1,((HashMap<String,Object>)map.get("a")).size());
    }
}