Metacat

/**

 *  '$RCSfile$'

 *  Copyright: 2003 Regents of the University of California and the

 *              National Center for Ecological Analysis and Synthesis

 *  Purpose: To test the MetaCatURL class by JUnit

 *

 *   '$Author$'

 *     '$Date$'

 * '$Revision$'

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 */

package edu.ucsb.nceas.metacattest.client;

import edu.ucsb.nceas.metacat.client.*;

import java.io.InputStreamReader;

import java.io.IOException;

import java.io.Reader;

import java.io.StringWriter;

import junit.framework.TestCase;

import junit.framework.TestResult;

import junit.framework.TestSuite;

/**

 * A JUnit test for testing Step class processing

 */

public class MetacatClientTest extends TestCase

{

    private String metacatUrl =

        "http://knb.ecoinformatics.org/knb/servlet/metacat";

    private String username = "@mcuser@";

    private String password = "@mcpassword@";

    private String failpass = "uidfnkj43987yfdn";

    private String testfile = "test/jones.204.22.xml";

    //private String docid = "Gramling.61.26";

    private String testdocument = "";

    private Metacat m;

    /**

     * Constructor to build the test

     *

     * @param name the name of the test method

     */

    public MetacatClientTest(String name)

    {

        super(name);

    }

    /**

     * Establish a testing framework by initializing appropriate objects

     */

    public void setUp()

    {

        try {

            StringBuffer buf = IOUtil.getAsStringBuffer(fr, true);

            testdocument = buf.toString();

        } catch (IOException ioe) {

            fail("Can't read test data to run the test: " + testfile);

        }

        try {

        } catch (MetacatInaccessibleException mie) {

            fail("Metacat connection failed." + mie.getMessage());

        }

    }

    /**

     * Release any objects after tests are complete

     */

    public void tearDown()

    {

    }

    /**

     * Create a suite of tests to be run together

     */

    public static Test suite()

    {

        TestSuite suite = new TestSuite();

        suite.addTest(new MetacatClientTest("initialize"));

        suite.addTest(new MetacatClientTest("invalidLogin"));

        suite.addTest(new MetacatClientTest("login"));

    }

    /**

     * Run an initial test that always passes to check that the test

     * harness is working.

     */

    public void initialize()

    {

        assertTrue(1 == 1);

    }

    /**

     * Test the login() function with valid credentials

     */

    public void login()

    {

        // Try a valid login

        try {

            m.login(username, password);

        } catch (MetacatAuthException mae) {

            fail("Authorization failed:\n" + mae.getMessage());

        } catch (MetacatInaccessibleException mie) {

            fail("Metacat Inaccessible:\n" + mie.getMessage());

        }

    }

    /**

     * Test the login() function with INVALID credentials

     */

    public void invalidLogin()

    {

        // Try an invalid login

        try {

            m.login(username, failpass);

            fail("Authorization should have failed.");

        } catch (MetacatAuthException mae) {

            assertTrue(1 == 1);

        } catch (MetacatInaccessibleException mie) {

            fail("Metacat Inaccessible:\n" + mie.getMessage());

        }

    }

    /**

     * Test the read() function with a known document

     */

    public void read()

    {

        try {

            m.login(username, password);

            Reader r = m.read(docid);

            String doc = readerToString(r);

            System.err.println(doc);

            assertTrue(doc.equals(testdocument));

        } catch (MetacatAuthException mae) {

            fail("Authorization failed:\n" + mae.getMessage());

        } catch (MetacatInaccessibleException mie) {

            fail("Metacat Inaccessible:\n" + mie.getMessage());

        } catch (Exception e) {

            fail("General exception:\n" + e.getMessage());

        }

    }

/*

 * PRIVATE METHODS

 */

    /**

     * Utility method to convert a reader to a String.

     *

     * @param reader the Reader to be converted

     * @return a String representation fo the data read

     */

    private String readerToString(Reader reader) throws Exception

    {

        String response = null;

        try {

            StringWriter sw = new StringWriter();

            int len;

            char[] characters = new char[512];

            while ((len = reader.read(characters, 0, 512)) != -1) {

                sw.write(characters, 0, len);

            }

            response = sw.toString();

            sw.close();

            reader.close();

        } catch (Exception e) {

            throw e;

        }

        return response;

    }