package ml.shifu.shifu.util;

import ml.shifu.shifu.core.dtrain.dt.IndependentTreeModel;
import org.apache.commons.io.FileUtils;
import org.testng.Assert;
import org.testng.annotations.Test;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

/**
 * Copyright [2013-2018] PayPal Software Foundation
 * <p>
 * Licensed 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
 * <p>
 * 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.
 **/

public class IndependentTreeModelUtilsTest {

    @Test
    public void testConvertBinaryToZip() throws IOException {
        File input = new File("src/test/resources/example/readablespec/model0.gbt");
        File output = new File("src/test/resources/example/readablespec/model1.zip");
        IndependentTreeModelUtils utils = new IndependentTreeModelUtils();
        utils.convertBinaryToZipSpec(input, output);

        FileUtils.deleteQuietly(output);
    }

    @Test
    public void testConvertZipToBinary() throws IOException {
        File input = new File("src/test/resources/example/readablespec/model0.zip");
        File output = new File("src/test/resources/example/readablespec/model1.gbt");
        IndependentTreeModelUtils utils = new IndependentTreeModelUtils();
        utils.convertZipSpecToBinary(input, output);

        FileInputStream inputStream = new FileInputStream(output);
        IndependentTreeModel treeModel = IndependentTreeModel.loadFromStream(inputStream);
        Assert.assertTrue(treeModel != null);

        FileUtils.deleteQuietly(output);
    }
}
