/***
 * Copyright (c) 2009 Caelum - www.caelum.com.br/opensource
 * All rights reserved.
 *
 * 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 br.com.caelum.vraptor.http;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;

import java.util.List;

import org.junit.Before;
import org.junit.Test;

import br.com.caelum.vraptor.interceptor.DefaultTypeNameExtractor;

public class DefaultParameterNameProviderTest {

	private DefaultParameterNameProvider provider;

	@Before
	public void setup() {
	this.provider = new DefaultParameterNameProvider(new DefaultTypeNameExtractor());
	}

	class Field {

	}
	interface Horse {
	void runThrough(Field f);
	void rest(int hours);
	void setLeg(int[] length);
	}

	@Test
	public void shouldNameObjectTypeAsItsSimpleName() throws SecurityException, NoSuchMethodException {
	assertThat(provider.parameterNamesFor(Horse.class.getMethod("runThrough", Field.class))[0], is(equalTo("field")));
	}

	@Test
	public void shouldNamePrimitiveTypeAsItsSimpleName() throws SecurityException, NoSuchMethodException {
	assertThat(provider.parameterNamesFor(Horse.class.getMethod("rest", int.class))[0], is(equalTo("int")));
	}

	@Test
	public void shouldNameArrayAsItsSimpleTypeName() throws SecurityException, NoSuchMethodException {
	assertThat(provider.parameterNamesFor(Horse.class.getMethod("setLeg", int[].class))[0], is(equalTo("intList")));
	}

	@Test
	public void shouldNameGenericCollectionUsingOf() throws SecurityException, NoSuchMethodException {
	assertThat(provider.parameterNamesFor(Cat.class.getDeclaredMethod("fightWith", List.class))[0], is(equalTo("stringList")));
	}

	static public interface Cat {
	void fightWith(List<String> cats);
	}

}