edu.snu.dolphin.bsp.examples.ml.algorithms.classification.LogisticRegTest.java Source code

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Here is the source code for edu.snu.dolphin.bsp.examples.ml.algorithms.classification.LogisticRegTest.java

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/*
 * Copyright (C) 2015 Seoul National University
 *
 * 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
 *
 * 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 edu.snu.dolphin.bsp.examples.ml.algorithms.classification;

import edu.snu.dolphin.bsp.core.DolphinConfiguration;
import edu.snu.dolphin.bsp.core.DolphinLauncher;
import edu.snu.dolphin.bsp.core.UserJobInfo;
import edu.snu.dolphin.bsp.core.UserParameters;
import edu.snu.dolphin.bsp.parameters.JobIdentifier;
import org.apache.commons.io.FileUtils;
import org.apache.reef.tang.Configurations;
import org.apache.reef.tang.Tang;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import java.io.File;

/**
 * Launch the LogisticRegTest test.
 */
public final class LogisticRegTest {
    private static final String OUTPUT_PATH = "target/test-logistic-reg";

    /**
     * Set up the test environment.
     */
    @Before
    public void setUp() throws Exception {
        FileUtils.deleteDirectory(new File(OUTPUT_PATH));
    }

    /**
     * Tear down the test environment.
     */
    @After
    public void tearDown() throws Exception {
    }

    /**
     * Run LogisticReg test.
     */
    @Test
    public void testLogisticReg() throws Exception {
        final String[] args = { "-dim", "3", "-maxIter", "20", "-stepSize", "0.00001", "-lambda", "0.1", "-local",
                "true", "-split", "4", "-input",
                ClassLoader.getSystemResource("data").getPath() + "/classification", "-output", OUTPUT_PATH,
                "-maxNumEvalLocal", "5" };

        DolphinLauncher.run(Configurations.merge(
                DolphinConfiguration.getConfiguration(args, LogisticRegParameters.getCommandLine()),
                Tang.Factory.getTang().newConfigurationBuilder()
                        .bindNamedParameter(JobIdentifier.class, "Logistic Regression")
                        .bindImplementation(UserJobInfo.class, LogisticRegJobInfo.class)
                        .bindImplementation(UserParameters.class, LogisticRegParameters.class).build()));

        final File expectedModel = new File(
                ClassLoader.getSystemResource("result").getPath() + "/logisticreg_model");
        final File actualModel = new File(OUTPUT_PATH + "/model/CtrlTask-0");
        Assert.assertTrue(FileUtils.contentEquals(expectedModel, actualModel));

        final File expectedAccuracy = new File(
                ClassLoader.getSystemResource("result").getPath() + "/logisticreg_accuracy");
        final File actualAccuracy = new File(OUTPUT_PATH + "/accuracy/CtrlTask-0");
        Assert.assertTrue(FileUtils.contentEquals(expectedAccuracy, actualAccuracy));
    }
}