ComposeEpsilonTest.java

/**
 * 
 * Copyright 1999-2012 Carnegie Mellon University. Portions Copyright 2002 Sun
 * Microsystems, Inc. Portions Copyright 2002 Mitsubishi Electric Research
 * Laboratories. All Rights Reserved. Use is subject to license terms.
 * 
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 * 
 */

package edu.cmu.sphinx.fst;

import static edu.cmu.sphinx.fst.Convert.importFst;
import static edu.cmu.sphinx.fst.operations.Compose.get;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;

import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;

import org.testng.annotations.Test;

import edu.cmu.sphinx.fst.semiring.TropicalSemiring;


/**
 * @author John Salatas
 * 
 */
public class ComposeEpsilonTest {

    @Test
    public void testCompose() throws NumberFormatException, IOException, URISyntaxException {
        URL url = getClass().getResource("algorithms/composeeps/A.fst.txt");
        File parent = new File(url.toURI()).getParentFile();

        String path = new File(parent, "A").getPath();
        Fst fstA = importFst(path, new TropicalSemiring());
        path = new File(parent, "B").getPath();
        Fst fstB = importFst(path, new TropicalSemiring());
        path = new File(parent, "fstcomposeeps").getPath();
        Fst fstC = importFst(path, new TropicalSemiring());

        Fst fstComposed = get(fstA, fstB, new TropicalSemiring());
        assertThat(fstC, equalTo(fstComposed));
    }

}