/*
 * Copyright 2012-2014 the original author or authors.
 *
 * 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 org.springframework.boot.dependency.tools;

import java.util.Collections;
import java.util.Iterator;

/**
 * Tests for {@link ManagedDependenciesDelegate}.
 *
 * @author Phillip Webb
 */
public class ManagedDependenciesDelegateTests {

	private ManagedDependenciesDelegate dependencies;

	@Before
	public void setup() throws Exception {
		PropertiesFileDependencies root = new PropertiesFileDependencies(getClass()
				.getResourceAsStream("external.properties"));
		PropertiesFileDependencies extra = new PropertiesFileDependencies(getClass()
				.getResourceAsStream("additional-external.properties"));
		this.dependencies = new ManagedDependenciesDelegate(root,
				Collections.<Dependencies> singleton(extra));
	}

	@Test
	public void extra() throws Exception {
		assertThat(this.dependencies.find("org.sample", "sample03").toString(),
				equalTo("org.sample:sample03:2.0.0"));
	}

	@Test
	public void override() throws Exception {
		assertThat(this.dependencies.find("org.sample", "sample02").toString(),
				equalTo("org.sample:sample02:2.0.0"));
	}

	@Test
	public void iterator() throws Exception {
		Iterator<Dependency> iterator = this.dependencies.iterator();
		assertThat(iterator.next().toString(), equalTo("org.sample:sample01:1.0.0"));
		assertThat(iterator.next().toString(), equalTo("org.sample:sample02:2.0.0"));
		assertThat(iterator.next().toString(),
				equalTo("org.springframework.boot:spring-boot:1.0.0.BUILD-SNAPSHOT"));
		assertThat(iterator.next().toString(), equalTo("org.sample:sample03:2.0.0"));
		assertThat(iterator.hasNext(), equalTo(false));
	}

}
