/*
 * Copyright (c) 2017 Cisco Systems, Inc. and others.  All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
 * and is available at http://www.eclipse.org/legal/epl-v10.html
 */
package org.opendaylight.yangtools.yang.stmt;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;

import java.util.Collection;
import org.junit.Test;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
import org.opendaylight.yangtools.yang.model.api.stmt.UnrecognizedStatement;

public class Bug7865Test extends AbstractYangTest {
    @Test
    public void test() throws Exception {
        final EffectiveModelContext context = assertEffectiveModelDir("/bugs/bug7865");
        final DataSchemaNode root = context.getDataChildByName(foo("root"));
        assertTrue(root instanceof ContainerSchemaNode);
        final Collection<? extends UnrecognizedStatement> unknownSchemaNodes = ((ContainerSchemaNode) root)
            .asEffectiveStatement().getDeclared().declaredSubstatements(UnrecognizedStatement.class);
        assertEquals(1, unknownSchemaNodes.size());

        final UnrecognizedStatement unknownNode = unknownSchemaNodes.iterator().next();
        final Collection<? extends UnrecognizedStatement> subUnknownSchemaNodes =
            unknownNode.declaredSubstatements(UnrecognizedStatement.class);
        assertEquals(1, subUnknownSchemaNodes.size());

        final UnrecognizedStatement subUnknownNode = subUnknownSchemaNodes.iterator().next();
        final Collection<? extends UnrecognizedStatement> subSubUnknownSchemaNodes =
            subUnknownNode.declaredSubstatements(UnrecognizedStatement.class);
        assertEquals(1, subSubUnknownSchemaNodes.size());

        assertEquals("p", subSubUnknownSchemaNodes.iterator().next().argument());
    }

    private static QName foo(final String localName) {
        return QName.create("foo", localName);
    }
}