/*
 * 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.apache.bval.jsr303.groups;

import junit.framework.TestCase;

import javax.validation.GroupDefinitionException;
import javax.validation.groups.Default;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Hardy Ferentschik
 * @author Roman Stumm
 */
public class DefaultGroupSequenceTest extends TestCase {
    public void testAssertDefaultGroupSequenceIsExpandableWithDefaultAtEndOfSequence() {
        // create a dummy sequence
        Group a = new Group(GroupA.class);
        Group b = new Group(GroupB.class);
        Group c = new Group(GroupC.class);
        Group defaultGroup = new Group(Default.class);
        List<Group> sequence = new ArrayList<Group>();
        sequence.add(a);
        sequence.add(b);
        sequence.add(c);
        sequence.add(defaultGroup);

        Groups chain = new Groups();
        chain.insertSequence(sequence);

        // create test default sequence
        List<Group> defaultSequence = new ArrayList<Group>();
        defaultSequence.add(Group.DEFAULT);
        defaultSequence.add(new Group(GroupA.class));
        try {
            chain.assertDefaultGroupSequenceIsExpandable(defaultSequence);
            fail();
        } catch (GroupDefinitionException e) {
            // success
        }

        defaultSequence.clear();
        defaultSequence.add(new Group(GroupA.class));
        defaultSequence.add(new Group(Default.class));
        try {
            chain.assertDefaultGroupSequenceIsExpandable(defaultSequence);
            fail();
        } catch (GroupDefinitionException e) {
            // success
        }

        defaultSequence.clear();
        defaultSequence.add(Group.DEFAULT);
        defaultSequence.add(new Group(GroupC.class));
        try {
            chain.assertDefaultGroupSequenceIsExpandable(defaultSequence);
            fail();
        } catch (GroupDefinitionException e) {
            // success
        }

        defaultSequence.clear();
        defaultSequence.add(new Group(GroupC.class));
        defaultSequence.add(Group.DEFAULT);
        chain.assertDefaultGroupSequenceIsExpandable(defaultSequence);
    }


    public void testAssertDefaulGroupSequenceIsExpandableWithDefaultAtBeginningOfSequence() {
        // create a dummy sequence
        Group a = new Group(GroupA.class);
        Group b = new Group(GroupB.class);
        Group c = new Group(GroupC.class);
        Group defaultGroup = new Group(Default.class);
        List<Group> sequence = new ArrayList<Group>();
        sequence.add(defaultGroup);
        sequence.add(a);
        sequence.add(b);
        sequence.add(c);

        Groups chain = new Groups();
        chain.insertSequence(sequence);

        // create test default sequence
        List<Group> defaultSequence = new ArrayList<Group>();
        defaultSequence.add(Group.DEFAULT);
        defaultSequence.add(new Group(GroupA.class));
        chain.assertDefaultGroupSequenceIsExpandable(defaultSequence);


        defaultSequence.clear();
        defaultSequence.add(new Group(GroupA.class));
        defaultSequence.add(Group.DEFAULT);
        try {
            chain.assertDefaultGroupSequenceIsExpandable(defaultSequence);
            fail();
        } catch (GroupDefinitionException e) {
            // success
        }

        defaultSequence.clear();
        defaultSequence.add(Group.DEFAULT);
        defaultSequence.add(new Group(GroupC.class));
        try {
            chain.assertDefaultGroupSequenceIsExpandable(defaultSequence);
            fail();
        } catch (GroupDefinitionException e) {
            // success
        }

        defaultSequence.clear();
        defaultSequence.add(new Group(GroupC.class));
        defaultSequence.add(Group.DEFAULT);
        try {
            chain.assertDefaultGroupSequenceIsExpandable(defaultSequence);
            fail();
        } catch (GroupDefinitionException e) {
            // success
        }
    }
}

interface TestSequence {
}

interface GroupA {
}

interface GroupB {
}

interface GroupC {
}