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/*
 * Copyright © 2017-2018 AT&T Intellectual Property.
 *
 * 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.onap.ccsdk.cds.controllerblueprints.core.utils

import org.junit.Test
import org.slf4j.LoggerFactory

class TopologicalSortingUtilsTest {

    private val log = LoggerFactory.getLogger(TopologicalSortingUtilsTest::class.java)

    @Test
    fun testSorting() {
        val graph: TopologicalSortingUtils<String> = TopologicalSortingUtils()
        graph.add("bundle-id", "bundle-mac")
        graph.add("bundle-id", "bundle-ip")
        graph.add("bundle-mac", "bundle-ip")
        graph.add("bundle-ip", "bundle-mac")

        log.debug("The current graph: $graph")
        log.debug("In-degrees: " + graph.inDegree())
        log.debug("Out-degrees: " + graph.outDegree())
        log.debug("A topological sort of the vertices: " + graph.topSort())
    }
}