package tests;

import java.io.*;

import junit.framework.*;

import com.efsol.friki.*;

public class FilterTest extends TestCase
{
	protected PageRepository rep;
	protected ContentFilter filter;

	public FilterTest(String name)
	{
		super(name);
	}

	public void setUp()
	{
		rep = new PageRepository(new InMemoryRepository());
	}

	protected void setFilter(ContentFilter filter)
	{
		this.filter = filter;
	}

	protected String convert(String content)
	{
		StringWriter out = new StringWriter();
		try
		{
			filter.filter(new StringReader(content), out);
		}
		catch(IOException ioe)
		{
			ioe.printStackTrace();
		}

		return out.toString();
	}


	protected void check(String name, String expected, String source, boolean log)
	{
		String result = convert(source);
		if (log)
		{
			System.out.println(name + ":\n  '" + source + "'->'" + result + "' expected (" + expected + ")");
		}
		assertEquals(name, expected, result);
	}

	protected void check(String name, String expected, String source)
	{
		check(name, expected, source, false);
	}

	public void testEmpty()
	{
		check("FilterTest.empty 1", "", "");
	}

	public void testOneLine()
	{
		check("FilterTest.oneline 1", "hello", "hello");
	}

	public void testTwoLines()
	{
		check("FilterTest.twolines 1", "hello\nthere", "hello\nthere");
	}

	public void testTwoParagraphs()
	{
		check("FilterTest.twoparas 1", "hello\n<p/>\nthere",
			"hello\n\nthere");
		check("FilterTest.twoparas 2", "hello\n<p/>\nthere",
			"hello\n  \nthere");
		check("FilterTest.twoparas 3", "hello\n<p/>\nthere",
			"hello\r\n\r\nthere");
	}

	public void testLT()
	{
		check("FilterTest.lt 1", "a < b",
			"a < b");
	}

	public void testGT()
	{
		check("FilterTest.gt 1", "a > b",
			"a > b");
	}
}