tagtestertest.java

Wicket一个开发Java Web应用程序框架。它使得开发web应用程序变得容易而轻松。 Wicket利用一个POJO data beans组件使得它可以与任何持久层技术相结合。

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.wicket.util.tester;

import junit.framework.TestCase;

/**
 * Test of TagTester
 */
public class TagTesterTest extends TestCase
{
	/** Mock markup 1 */
	public static final String MARKUP_1 = "<p id=\"test\" class=\"class1\"><span class=\"class2\" id=\"test2\">mock</span></p>";


	/**
	 * Test the static factory method
	 */
	public void testCreateTagByAttribute()
	{
		TagTester tester = TagTester.createTagByAttribute(null, null, null);
		assertNull(tester);

		tester = TagTester.createTagByAttribute("<p id=\"test\">mock</p>", null, null);
		assertNull(tester);

		tester = TagTester.createTagByAttribute("<p id=\"test\">mock</p>", "id", null);
		assertNull(tester);

		tester = TagTester.createTagByAttribute("<p id=\"test\">mock</p>", "id", "test");
		assertNotNull(tester);
	}

	/**
	 * Test that getName returns the correct tag name.
	 */
	public void testGetName()
	{
		TagTester tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test");
		assertNotNull(tester);

		assertEquals("p", tester.getName());


		tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test2");
		assertNotNull(tester);

		assertEquals("span", tester.getName());
	}

	/**
	 * Test that hasAttribute return true if the tag has the given attribute.
	 * 
	 * It also tests that the order of the attributes doesn't matter.
	 */
	public void testHasAttribute()
	{
		TagTester tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test");
		assertNotNull(tester);

		assertTrue(tester.hasAttribute("class"));


		tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test2");
		assertNotNull(tester);

		assertTrue(tester.hasAttribute("class"));
	}

	/**
	 * Get attribute should return the value of the attribute.
	 * 
	 * If the attribute doesn't exist on the tag, the method should return null.
	 */
	public void testGetAttribute()
	{
		TagTester tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test");
		assertNotNull(tester);

		assertEquals("class1", tester.getAttribute("class"));

		// Nested
		tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test2");
		assertNotNull(tester);

		assertEquals("class2", tester.getAttribute("class"));

		// Case insensitive
		tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test2");
		assertNotNull(tester);

		assertEquals("class2", tester.getAttribute("CLASS"));

		// Return null if no attribute
		tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test");
		assertNotNull(tester);

		assertNull(tester.getAttribute("noattribute"));

		// Test that an empty attribute is returned as an empty string
		tester = TagTester.createTagByAttribute("<p id=\"test\" empty=\"\">Mock</p>", "id", "test");
		assertNotNull(tester);

		assertEquals("", tester.getAttribute("empty"));
	}

	/**
	 * getAttributeContains should only return true if the attribute value contains the expected
	 * value. It should not be case in-sensitive and not trim the attribute value.
	 */
	public void testGetAttributeContains()
	{
		TagTester tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test");
		assertNotNull(tester);

		assertTrue(tester.getAttributeContains("class", "ss1"));
		assertTrue(tester.getAttributeContains("class", "clas"));
		assertTrue(tester.getAttributeContains("class", "s"));
		assertTrue(tester.getAttributeContains("class", "1"));
		assertTrue(tester.getAttributeContains("CLASS", "1"));
		assertFalse(tester.getAttributeContains("class", "classs"));
		assertFalse(tester.getAttributeContains("class", "CLASS"));
		assertFalse(tester.getAttributeContains("class", "cLass1"));
		assertFalse(tester.getAttributeContains("class", "class1 "));
		assertFalse(tester.getAttributeContains("class", " class1"));
	}

	/**
	 * Test the convenience method getAttributeIs, which returns true if the attributes value is
	 * exactly the same as the parameter.
	 */
	public void testGetAttributeIs()
	{
		TagTester tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test");
		assertNotNull(tester);

		assertTrue(tester.getAttributeIs("class", "class1"));
		assertFalse(tester.getAttributeIs("class", "class1 "));
		assertFalse(tester.getAttributeIs("class", " class1"));
		assertFalse(tester.getAttributeIs("class", "Class1"));

		assertTrue(tester.getAttributeIs("noattribute", null));
		assertFalse(tester.getAttributeIs("noattribute", "somevalue"));
		assertFalse(tester.getAttributeIs("class", null));
	}

	/**
	 * getAttributeEndsWith behaves the same as getAttributeContains, but the parameter which should
	 * be contained must only be at the end.
	 */
	public void testGetAttributeEndsWith()
	{
		TagTester tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test");
		assertNotNull(tester);

		assertTrue(tester.getAttributeEndsWith("class", "1"));
		assertTrue(tester.getAttributeEndsWith("class", ""));
		assertTrue(tester.getAttributeEndsWith("class", "ss1"));
		assertTrue(tester.getAttributeEndsWith("class", "lass1"));

		assertFalse(tester.getAttributeEndsWith("class", "1 "));
		assertFalse(tester.getAttributeEndsWith("class", " "));
		assertFalse(tester.getAttributeEndsWith("class", "class 1"));
		assertFalse(tester.getAttributeEndsWith("class", "SS1"));
	}

	/**
	 * 
	 */
	public void testHasChildTag()
	{
		TagTester tester = TagTester.createTagByAttribute(MARKUP_1, "id", "test");

		assertTrue(tester.hasChildTag("span"));
		assertTrue(tester.hasChildTag("SPAN"));

		assertFalse(tester.hasChildTag("span "));
		assertFalse(tester.hasChildTag("p"));

		try
		{
			tester.hasChildTag("");
			fail();
		}
		catch (IllegalArgumentException e)
		{
			// expected
		}
		catch (Exception e)
		{
			fail(e.getMessage());
		}

		try
		{
			tester.hasChildTag(null);
			fail();
		}
		catch (IllegalArgumentException e)
		{
			// expected
		}
		catch (Exception e)
		{
			fail(e.getMessage());
		}


		tester = TagTester.createTagByAttribute("<p id=\"test\">mock</p>", "id", "test");

		assertFalse(tester.hasChildTag("span"));
		assertFalse(tester.hasChildTag("p"));
	}

	/**
	 * Test getMarkup returns the open-tag + content + close-tag
	 */
	public void testGetMarkup()
	{
		TagTester tagTester = TagTester.createTagByAttribute(MARKUP_1, "id", "test2");

		assertEquals("<span class=\"class2\" id=\"test2\">mock</span>", tagTester.getMarkup());
	}

	/**
	 * Test getValue returns the data between the open and close tag.
	 */
	public void testGetValue()
	{
		TagTester tagTester = TagTester.createTagByAttribute(MARKUP_1, "id", "test2");
		assertEquals("mock", tagTester.getValue());

		// Check that getValue also returns tags if the content of a tag is containing tags
		TagTester tagTester2 = TagTester.createTagByAttribute(MARKUP_1, "id", "test");
		assertEquals(tagTester.getMarkup(), tagTester2.getValue());
	}
}