/*
 * Copyright 2015-present Open Networking Laboratory
 *
 * 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.onlab.jdvue;

import org.junit.Test;
import org.onlab.jdvue.DependencyCycle;
import org.onlab.jdvue.JavaPackage;

import java.util.Arrays;

import static org.junit.Assert.*;

/**
 * Unit test for the dependency cycle entity.
 *
 * @author Thomas Vachuska
 */
public class DependencyCycleTest {

    @Test
    public void normalize() {
        JavaPackage x = new JavaPackage("x");
        JavaPackage y = new JavaPackage("y");
        JavaPackage z = new JavaPackage("z");

        DependencyCycle a = new DependencyCycle(Arrays.asList(new JavaPackage[] {x, y, z}), x);
        DependencyCycle b = new DependencyCycle(Arrays.asList(new JavaPackage[] {y, z, x}), y);
        DependencyCycle c = new DependencyCycle(Arrays.asList(new JavaPackage[] {z, x, y}), z);

        assertEquals("incorrect normalization", a, b);
        assertEquals("incorrect normalization", a, c);
    }

    @Test
    public void testToString() {
        JavaPackage x = new JavaPackage("x");
        JavaPackage y = new JavaPackage("y");
        JavaPackage z = new JavaPackage("z");

        DependencyCycle a = new DependencyCycle(Arrays.asList(new JavaPackage[] {x, y, z}), x);
        assertEquals("incorrect toString", "[x, y, z]", a.toShortString());
        assertEquals("incorrect toString",
                     "DependencyCycle{cycle=[" +
                             "JavaPackage{name=x, sources=0, dependencies=0}, " +
                             "JavaPackage{name=y, sources=0, dependencies=0}, " +
                             "JavaPackage{name=z, sources=0, dependencies=0}]}",
                     a.toString());
    }
}