@Test
public void check() throws Exception {

	HashUnmodifiedItemChecker<TestObj> checker = new HashUnmodifiedItemChecker<>();
	checker.setHashRepository(hashRepository);
	checker.setKeyPropertyNames(Arrays.asList("name"));
	checker.setIgnorePropertyNames(Arrays.asList("randomVal", "randomVal2"));
	checker.afterPropertiesSet();
	TestObj p1 = new TestObj();
	p1.setId(1);
	p1.setName("YK");
	p1.setAge(20);
	p1.setRandomVal(123);
	p1.setRandomVal2(678);
	TestObj p2 = new TestObj();
	p2.setId(1);
	p2.setName("YK");
	p2.setAge(20);
	p2.setRandomVal(345);
	p2.setRandomVal2(493);
	boolean p1UnModified = checker.check(p1);
	checker.afterChunk(null);
	boolean p2UnModified = checker.check(p2);
	checker.afterChunk(null);
	Assert.assertFalse("p1UnModified must be false", p1UnModified);
	Assert.assertTrue("p2UnModified must be true",p2UnModified);
}