/*
 * Copyright 2004-2014 Brian McCallister
 * Copyright 2010-2014 Ning, Inc.
 * Copyright 2014-2020 Groupon, Inc
 * Copyright 2020-2020 Equinix, Inc
 * Copyright 2014-2020 The Billing Project, LLC
 *
 * The Billing Project 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.skife.jdbi.v2.unstable.grammar;

import org.antlr.runtime.Lexer;
import org.antlr.runtime.Token;

import static org.junit.Assert.assertEquals;

/**
 *
 */
public abstract class GrammarTestCase
{
    public void expect(String s, int... tokens) throws Exception
    {
        Lexer lexer = createLexer(s);
        for (int token : tokens) {
            Token t = lexer.nextToken();
            assertEquals(String.format("Expected %s, got %s, with '%s'", nameOf(token), nameOf(t.getType()), t.getText()),
                         token, t.getType());
        }
    }

    protected abstract Lexer createLexer(String s);

    protected abstract String nameOf(int type);
}
