RemoveEmptyTextTest.java

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

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.junit.Before;
import org.junit.Test;

public class RemoveEmptyTextTest {

	private RemoveEmptyText m;

	@Before
	public void before() {
		m = new RemoveEmptyText();

	}

	@Test
	public void testAlreadyEmpty() {

		Document doc = Jsoup.parseBodyFragment("");
		m.manipulate(doc);

		assertNotNull(doc.body());
	}

	@Test
	public void testNonEmpty() {

		Document doc = Jsoup.parseBodyFragment("<p>Hello</p>");
		m.manipulate(doc);

		assertFalse(doc.body().select("p").isEmpty());
	}

	@Test
	public void testSingleEmpty() {

		Document doc = Jsoup.parseBodyFragment("<p></p>");
		m.manipulate(doc);

		assertTrue(doc.body().select("p").isEmpty());
	}

	@Test
	public void testTwoEmpty() {

		Document doc = Jsoup.parseBodyFragment("<p></p><div></div>");
		m.manipulate(doc);
		assertTrue(doc.body().select("*").not("body").isEmpty());
	}

	@Test
	public void testMixedEmpty() {

		Document doc = Jsoup.parseBodyFragment("<p></p><div></div><p>Hello</p>");
		m.manipulate(doc);

		assertEquals(doc.body().select("p").size(), 1);
	}

	@Test
	public void testHierarchyOfEmpty() {

		Document doc = Jsoup.parseBodyFragment("<div><p></p></div>");
		m.manipulate(doc);

		assertTrue(doc.body().select("*").not("body").isEmpty());
	}

}