/*
 * 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.tinkerpop.gremlin.language.grammar;

import org.javatuples.Pair;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

@RunWith(Parameterized.class)
public class NegativeGrammarTest extends AbstractGrammarTest {

    @Parameterized.Parameters(name = "{index} - {0}")
    public static Iterable<Pair<String, ParserRule>> queries() throws IOException {

        final List<Pair<String, ParserRule>> queries = new ArrayList<>();
        int size = 20;
        try (InputStream stream = ReferenceGrammarTest.class.getClassLoader()
                .getResourceAsStream("incorrect-traversals.txt")) {
            final BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
            String line;
            while ((line = reader.readLine()) != null) {
                queries.add(Pair.with(line, ParserRule.QUERY_LIST));
            }
        }

        // gotta be at least this many scripts parsed
        assert size < queries.size();
        size = queries.size() + 1;

        try (InputStream stream = ReferenceGrammarTest.class.getClassLoader()
                .getResourceAsStream("incorrect-gremlin-values.txt")) {
            final BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
            String line;
            while ((line = reader.readLine()) != null) {
                queries.add(Pair.with(String.format("g.inject(%s)", line), ParserRule.QUERY_LIST));
            }
        }

        return queries;
    }

    @Parameterized.Parameter
    public Pair<String, ParserRule> parseTestItem;

    @Test
    public void test_parse() {
        parse(parseTestItem.getValue0(), parseTestItem.getValue1(), true);
    }

}
