/*
 * 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.jena.arq.querybuilder.handlers;

import java.util.HashMap;
import java.util.Map;

import org.apache.jena.arq.querybuilder.handlers.PrologHandler;
import org.apache.jena.query.Query ;
import org.junit.Before;
import org.junit.Test;

public class PrologHandlerTest extends AbstractHandlerTest {

	private PrologHandler handler;
	private Query query;

	@Before
	public void setup() {
		query = new Query();
		handler = new PrologHandler(query);
	}

	@Test
	public void testAddPrefixString() {
		handler.addPrefix("pfx", "uri");
		String[] lst = byLine(query.toString());
		assertContainsRegex(PREFIX+"pfx:"+SPACE+uri("uri"), lst);
	}

	@Test
	public void testAddPrefixStringWithColon() {
		handler.addPrefix("pfx:", "uri");
		String[] lst = byLine(query.toString());
		assertContainsRegex(PREFIX+"pfx:"+SPACE+uri("uri"), lst);
	}
	
	@Test
	public void testAddPrefixHandler() {
		PrologHandler handler2 = new PrologHandler(new Query());
		handler2.addPrefix("pfx", "uri");
		handler.addAll(handler2);
		String[] lst = byLine(query.toString());
		assertContainsRegex("PREFIX\\s+pfx:\\s+\\<uri\\>", lst);
	}

	@Test
	public void testAddPrefixes() {
		Map<String, String> map = new HashMap<String, String>();
		map.put("pfx", "uri");
		map.put("pfx2", "uri2");
		handler.addPrefixes(map);
		String[] lst = byLine(query.toString());
		assertContainsRegex(PREFIX+"pfx:"+SPACE+uri("uri"), lst);
		assertContainsRegex(PREFIX+"pfx2:"+SPACE+uri("uri2"), lst);
	}

	@Test
	public void testAddPrefixesWithColon() {
		Map<String, String> map = new HashMap<String, String>();
		map.put("pfx:", "uri");
		map.put("pfx2", "uri2");
		handler.addPrefixes(map);
		String[] lst = byLine(query.toString());
		assertContainsRegex(PREFIX+"pfx:"+SPACE+uri("uri"), lst);
		assertContainsRegex(PREFIX+"pfx2:"+SPACE+uri("uri2"), lst);
	}
	
	@Test
	public void testAddDuplicatePrefix() {
		handler.addPrefix("pfx", "uri");
		handler.addPrefix("pfx", "uri");
		String[] lst = byLine(query.toString());
		assertContainsRegex("PREFIX\\s+pfx:\\s+\\<uri\\>", lst);
	}

	@Test
	public void testSetBaseString() {
		handler.setBase("foo");
		String[] lst = byLine(query.toString());
		assertContainsRegex("BASE\\s+\\<.+/foo\\>", lst);
	}

	@Test
	public void testBaseAndPrefix() {
		handler.setBase("foo");
		handler.addPrefix("pfx", "uri");
		String[] lst = byLine(query.toString());
		assertContainsRegex("PREFIX\\s+pfx:\\s+\\<uri\\>", lst);
		assertContainsRegex("BASE\\s+\\<.+/foo\\>", lst);
	}

}