/*
 * Copyright (C) 2009 the original author(s).
 *
 * 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 com.dorkbox.console;

import static org.junit.Assert.assertEquals;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.charset.Charset;

import org.junit.Test;

import dorkbox.console.output.HtmlAnsiOutputStream;

/**
 * @author <a href="http://code.dblock.org">Daniel Doubrovkine</a>
 */
public class HtmlAnsiOutputStreamTest {
    private static final Charset charset = Charset.forName("UTF-8");

	@Test
	public void testNoMarkup() throws IOException {
		assertEquals("line", colorize("line"));
	}

	@Test
	public void testClear() throws IOException {
		assertEquals("", colorize(""));
		assertEquals("hello world", colorize("hello world"));
	}

	@Test
	public void testBold() throws IOException {
		assertEquals("<b>hello world</b>", colorize("hello world"));
	}

	@Test
	public void testGreen() throws IOException {
		assertEquals("<span style=\"color: green;\">hello world</span>",
				colorize("hello world"));
	}

	@Test
	public void testGreenOnWhite() throws IOException {
		assertEquals("<span style=\"background-color: white;\"><span style=\"color: green;\">hello world</span></span>",
				colorize("hello world"));
	}
	
	@Test
	public void testEscapeHtml() throws IOException {
		assertEquals("&quot;", colorize("\""));
		assertEquals("&amp;", colorize("&"));
		assertEquals("&lt;", colorize("<"));
		assertEquals("&gt;", colorize(">"));
		assertEquals("&quot;&amp;&lt;&gt;", colorize("\"&<>"));
	}

	@Test
	public void testResetOnOpen() throws IOException {
		assertEquals("<span style=\"color: red;\">red</span>", 
				colorize("red"));
	}
	
	@Test
	public void testUTF8Character() throws IOException {
		assertEquals("<b>\u3053\u3093\u306b\u3061\u306f</b>", 
				colorize("\u3053\u3093\u306b\u3061\u306f"));
	}

	private String colorize(String text) throws IOException {
		ByteArrayOutputStream os = new ByteArrayOutputStream();
		HtmlAnsiOutputStream hos = new HtmlAnsiOutputStream(os);

        hos.write(text.getBytes(charset));
		hos.close();
		return new String(os.toByteArray(), charset);
	}
}