javancss.JavancssTest.java Source code

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Here is the source code for javancss.JavancssTest.java

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/*
Copyright (C) 2014 Chr. Clemens Lee <clemens@kclee.com>.
    
This file is part of JavaNCSS
(http://javancss.codehaus.org/).
    
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
    
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.
    
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA*/

package javancss;

import org.apache.commons.io.FileUtils;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.io.StringReader;
import java.util.List;

/**
 * Test class for the JavaNCSS application.
 *
 *   $Id$
 *   3. 9. 1996
 */
public class JavancssTest extends AbstractTestCase {
    private Javancss measureWithArgs(String[] args) throws IOException {
        // turn stdout off
        PrintStream psStdout = System.out;

        try {
            System.setOut(new PrintStream(new ByteArrayOutputStream()));
            return new Javancss(args);
        } finally {
            // turn stdout back on
            System.setOut(psStdout);
        }
    }

    public void testCummulating() throws IOException {
        // Nr. 35
        String sTogether;
        String sTest11 = "";
        String sTest12 = "";
        try {
            sTest11 = FileUtils.readFileToString(getTestFile(11), "ISO-8859-1");
            sTest12 = FileUtils.readFileToString(getTestFile(12), "ISO-8859-1");
        } catch (IOException e) {
            fail();
        }
        sTogether = sTest11 + sTest12;
        Javancss javancss = new Javancss(new StringReader(sTogether));
        List<FunctionMetric> vFunctions = javancss.getFunctionMetrics();
        String sFirstFunction = vFunctions.get(0).name;
        assertFalse(!sFirstFunction.equals("ccl.util.Test11.atoi(String)"));
        String sSomeFunction = vFunctions.get(32).name;
        assertFalse("Function: " + sSomeFunction, !sSomeFunction.equals("Test12.readFile(URL)"));
        List<PackageMetric> vPackages = javancss.getPackageMetrics();
        assertFalse(vPackages.size() != 2);
        int ncss38 = javancss.getNcss();

        String[] asArg = new String[3];
        asArg[0] = getTestFile(11).getAbsolutePath();
        asArg[1] = asArg[0];
        asArg[2] = getTestFile(12).getAbsolutePath();
        javancss = measureWithArgs(asArg);
        vPackages = javancss.getPackageMetrics();
        assertFalse(vPackages.size() != 2);
        assertFalse(ncss38 == javancss.getNcss());
    }

    public void testEncoding() throws IOException {
        String[] args = new String[] { "-encoding", "UTF-16", getTestFile("TestEncoding.java").getAbsolutePath() };
        Javancss javancss = measureWithArgs(args);

        assertEquals("NCSS in TestEncoding.java", 11, javancss.getNcss());
    }

    public void testVersion() throws IOException {
        String[] args = new String[] { "-version" };
        measureWithArgs(args);
    }

    public void testRecursive() throws IOException {
        String[] args = new String[] { "-recursive", getTestFile("../../../lib").getAbsolutePath() };
        measureWithArgs(args);
    }
}