/*
 * 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.eclipse.aether.util.graph.transformer;

import java.util.Map;

import org.eclipse.aether.collection.DependencyGraphTransformer;
import org.eclipse.aether.graph.DependencyNode;
import org.eclipse.aether.internal.test.util.DependencyGraphParser;
import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

/**
 */
public class ConflictMarkerTest extends AbstractDependencyGraphTransformerTest {

    @Override
    protected DependencyGraphTransformer newTransformer() {
        return new ConflictMarker();
    }

    @Override
    protected DependencyGraphParser newParser() {
        return new DependencyGraphParser("transformer/conflict-marker/");
    }

    @Test
    void testSimple() throws Exception {
        DependencyNode root = parseResource("simple.txt");

        assertSame(root, transform(root));

        Map<?, ?> ids = (Map<?, ?>) context.get(TransformationContextKeys.CONFLICT_IDS);
        assertNotNull(ids);

        assertNull(ids.get(root));
        assertNotNull(ids.get(root.getChildren().get(0)));
        assertNotNull(ids.get(root.getChildren().get(1)));
        assertNotSame(
                ids.get(root.getChildren().get(0)), ids.get(root.getChildren().get(1)));
        assertNotEquals(
                ids.get(root.getChildren().get(0)), ids.get(root.getChildren().get(1)));
    }

    @Test
    void testRelocation1() throws Exception {
        DependencyNode root = parseResource("relocation1.txt");

        assertSame(root, transform(root));

        Map<?, ?> ids = (Map<?, ?>) context.get(TransformationContextKeys.CONFLICT_IDS);
        assertNotNull(ids);

        assertNull(ids.get(root));
        assertNotNull(ids.get(root.getChildren().get(0)));
        assertNotNull(ids.get(root.getChildren().get(1)));
        assertSame(
                ids.get(root.getChildren().get(0)), ids.get(root.getChildren().get(1)));
    }

    @Test
    void testRelocation2() throws Exception {
        DependencyNode root = parseResource("relocation2.txt");

        assertSame(root, transform(root));

        Map<?, ?> ids = (Map<?, ?>) context.get(TransformationContextKeys.CONFLICT_IDS);
        assertNotNull(ids);

        assertNull(ids.get(root));
        assertNotNull(ids.get(root.getChildren().get(0)));
        assertNotNull(ids.get(root.getChildren().get(1)));
        assertSame(
                ids.get(root.getChildren().get(0)), ids.get(root.getChildren().get(1)));
    }

    @Test
    void testRelocation3() throws Exception {
        DependencyNode root = parseResource("relocation3.txt");

        assertSame(root, transform(root));

        Map<?, ?> ids = (Map<?, ?>) context.get(TransformationContextKeys.CONFLICT_IDS);
        assertNotNull(ids);

        assertNull(ids.get(root));
        assertNotNull(ids.get(root.getChildren().get(0)));
        assertNotNull(ids.get(root.getChildren().get(1)));
        assertNotNull(ids.get(root.getChildren().get(2)));
        assertSame(
                ids.get(root.getChildren().get(0)), ids.get(root.getChildren().get(1)));
        assertSame(
                ids.get(root.getChildren().get(1)), ids.get(root.getChildren().get(2)));
    }
}
