/*
 * Copyright (c) 2018 Pantheon Technologies, s.r.o. 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.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.startsWith;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertThrows;

import org.junit.Test;
import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;

public class NameCollisionWithinCaseTest {
    @Test
    public void testChildNameCollisionOfAugmentCase() {
        final ReactorException ex = assertThrows(ReactorException.class,
            () -> StmtTestUtils.parseYangSource("/bugs/name-collision-within-case/foo.yang"));
        final Throwable cause = ex.getCause();
        assertThat(cause, instanceOf(SourceException.class));
        assertThat(cause.getMessage(), startsWith("Cannot add data tree child with name (foo?revision=2018-02-11)bar, "
            + "a conflicting child already exists [at "));
    }

    @Test
    public void testChildNameCollisionOfAugmentChoice() {
        final ReactorException ex = assertThrows(ReactorException.class,
            () -> StmtTestUtils.parseYangSource("/bugs/name-collision-within-case/bar.yang"));
        final Throwable cause = ex.getCause();
        assertThat(cause, instanceOf(SourceException.class));
        assertThat(cause.getMessage(), startsWith("Cannot add data tree child with name (bar?revision=2018-02-11)bar, "
            + "a conflicting child already exists [at "));
    }

    @Test
    public void testChildNameCollisionNormal() throws Exception {
        final ReactorException ex = assertThrows(ReactorException.class,
            () -> StmtTestUtils.parseYangSource("/bugs/name-collision-within-case/baz.yang"));
        final Throwable cause = ex.getCause();
        assertThat(cause, instanceOf(SourceException.class));
        assertThat(cause.getMessage(), startsWith(
            "Error in module 'baz': cannot add '(baz?revision=2018-02-28)bar'. Node name collision: "));
    }
}