/*******************************************************************************
 * Copyright (c) 2015-2018 Skymind, Inc.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Apache License, Version 2.0 which is available at
 * https://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.
 *
 * SPDX-License-Identifier: Apache-2.0
 ******************************************************************************/

package org.deeplearning4j.text.documentiterator;

import org.deeplearning4j.BaseDL4JTest;
import org.deeplearning4j.text.tokenization.tokenizer.Tokenizer;
import org.deeplearning4j.text.tokenization.tokenizerfactory.DefaultTokenizerFactory;
import org.deeplearning4j.text.tokenization.tokenizerfactory.TokenizerFactory;
import org.junit.Test;
import org.nd4j.linalg.io.ClassPathResource;

import java.io.File;
import java.io.InputStream;

import static org.junit.Assert.assertEquals;

/**
 * Created by agibsonccc on 9/29/14.
 */
public class DefaultDocumentIteratorTest extends BaseDL4JTest {

    @Test
    public void testDocumentIterator() throws Exception {
        ClassPathResource reuters5250 = new ClassPathResource("/reuters/5250");
        File f = reuters5250.getFile();

        DocumentIterator iter = new FileDocumentIterator(f.getAbsolutePath());

        InputStream doc = iter.nextDocument();

        TokenizerFactory t = new DefaultTokenizerFactory();
        Tokenizer next = t.create(doc);
        String[] list = "PEARSON CONCENTRATES ON FOUR SECTORS".split(" ");
        ///PEARSON CONCENTRATES ON FOUR SECTORS
        int count = 0;
        while (next.hasMoreTokens() && count < list.length) {
            String token = next.nextToken();
            assertEquals(list[count++], token);
        }


        doc.close();
    }
}
