/*   Copyright 2004 The Apache Software Foundation
 *
 *   Licensed 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 xmlcursor.detailed;

import org.apache.xmlbeans.XmlCursor;
import org.apache.xmlbeans.XmlCursor.TokenType;
import org.apache.xmlbeans.XmlObject;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
import xmlcursor.common.BasicCursorTestCase;
import xmlcursor.common.Common;

import javax.xml.namespace.QName;

import static org.junit.Assert.*;


public class InsertAttributeTest2 extends BasicCursorTestCase {
	@Test
	public void testNormalCase() {
		for (int i = 0; i < 50; i++) {
			m_xc.insertAttribute("at" + i, "com.bea.foo");
			//System.out.println(i);
		}
		toPrevTokenOfType(m_xc, TokenType.ATTR);

		int i = 0;
		do {
			i++;
			//System.out.println(m_xc.xmlText());
		} while (m_xc.toPrevAttribute());

		assertEquals(i, 50);
	}

	@Test(expected = Exception.class)
	public void testIllegalCursorPos() {
		//position curor at text
		toNextTokenOfType(m_xc, XmlCursor.TokenType.END);
		// Shoild not be able to insert at attr here
		m_xc.insertAttribute("at", "com.bea.foo");
	}

    /**
       No xml tag can contain 2 attrib such that:
       1. have identical names, or
       2. have qualified names with the same local part and with prefixes which have been bound to namespace names that are identical.

       ** According to Eric he will perform the insert but
       * check upon serialization that only the first token with a given name is printed
       */
	@Test
	public void testLocalNameCollision() {
		m_xc.insertAttributeWithValue("at", "v1");
		m_xc.insertAttributeWithValue("at", "v2");
		toPrevTokenOfType(m_xc, TokenType.START);
		m_xc.toFirstAttribute();
		assertEquals(m_xc.getName().getLocalPart(), "at");
		assertTrue(m_xc.toNextAttribute());
		assertEquals(m_xc.getName().getLocalPart(), "at");
	}

    /**
     * The idea was to try to force the following:
     * <test xmlns:n1="foo.org" xmlns:n2="foo.org"><bad n1:a="foo" n2:a="bar"/>
     * which would be illegal
     * This test case is not necessary: The implementation re-writes this as
     * xmlns:com="..." and com:at0,  com:at1
     * it seems impossible to force a binding of the same URI with two
     * different prefixes
     */
	@Test(expected = Exception.class)
	@Ignore
	public void testUriCollision() {
		m_xc.insertAttribute("at0", "com.bea.foo");
		m_xc.insertAttribute("at1", "com.bea.foo");
		toPrevTokenOfType(m_xc, TokenType.START);
		// Should not be able to insert at attr with colliding name
		System.out.println(m_xc.xmlText());
	}

	@Test
	public void testUriLocalNameOK() {
		m_xc.insertAttribute("at", "");
		m_xc.insertAttribute("at", "com.bea.foo");
		toPrevTokenOfType(m_xc, XmlCursor.TokenType.START);
		m_xc.toFirstAttribute();
		int i = 1;
		while (m_xc.toNextAttribute()) i++;
		assertEquals(i, 2);
	}

	@Test
	public void testUriNull() {
		m_xc.insertAttribute("at", null);
		toPrevTokenOfType(m_xc, TokenType.ATTR);
		assertEquals(m_xc.getName(), new QName("at"));
	}

	@Test(expected = Exception.class)
	public void testLocalnameNull() {
		m_xc.insertAttribute(null, "");
	}

	@Test
	public void testUriEmpty() {
		m_xc.insertAttribute("myat", "");
		toPrevTokenOfType(m_xc, TokenType.START);
		m_xc.toFirstAttribute();
		assertEquals(m_xc.getName(), new QName(null, "myat"));
	}

	@Test(expected = Exception.class)
	public void testLocalnameEmpty() {
		m_xc.insertAttribute("", "");
	}

	@Test
	public void testInsertAttributeWithValue() {
		StringBuilder sb = new StringBuilder();
		String value0 = "test" + "\n\t\r";
		String value1 = "'QuotedText'";
		String value2 = "\"QuotedText2\"";

		int nStressBound = 20000;//Integer.MAX_VALUE
		for (int i = 0; i < nStressBound; i++)
			sb.append('a');
		m_xc.insertAttributeWithValue("at0", value0);
		m_xc.insertAttributeWithValue("at1", value1);
		m_xc.insertAttributeWithValue("at2", value2);
		m_xc.insertAttributeWithValue("at3", sb.toString());

		toPrevTokenOfType(m_xc, TokenType.START);

		assertEquals(m_xc.getAttributeText(new QName("at3")).length(), nStressBound);
		assertEquals(m_xc.getAttributeText(new QName("at2")), value2);

		assertEquals(m_xc.getAttributeText(new QName("at1")), value1);
		assertEquals(m_xc.getAttributeText(new QName("at0")), value0);
	}

	@Test
	public void testInsertAttributeWithValueNull() {
		m_xc.insertAttributeWithValue("at0", null);
		assertNull(m_xc.getAttributeText(new QName("at0")));
	}

	@Before
    public void setUp()throws Exception{
		String sDoc = Common.XML_FOO_TEXT;
		m_xc= XmlObject.Factory.parse(sDoc).newCursor();
		toNextTokenOfType(m_xc,XmlCursor.TokenType.TEXT);//prepare for atts
    }
}