/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
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; version 2 of the License.
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 com.bigdata.gom;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import junit.framework.TestCase2;
/**
* Note: Java6 embeds JavaScript support based on Mozilla Rhino version 1.6R2.
*
* @see <a
* href="http://docs.oracle.com/javase/6/docs/technotes/guides/scripting/programmer_guide/index.html">
* Scripting Guide </a>
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
*/
public class TestJavaScriptGOM extends TestCase2 {
public TestJavaScriptGOM() {
}
public TestJavaScriptGOM(String name) {
super(name);
}
protected ScriptEngine jsEngine;
protected void setUp() throws Exception {
final ScriptEngineManager mgr = new ScriptEngineManager();
// for (ScriptEngineFactory f : mgr.getEngineFactories()) {
//
// log.error("Factory: " + f);
//
// }
jsEngine = mgr.getEngineByName("ECMAScript"); // or JavaScript
// �try {
// �} catch (ScriptException ex) {
// � � �ex.printStackTrace();
// �}
}
protected void tearDown() throws Exception {
jsEngine = null;
}
/**
* Verify that the scripting engine is running.
*/
public void testScriptRuns() throws ScriptException {
final String[] attrs = new String[] {
ScriptEngine.ENGINE,
ScriptEngine.ENGINE_VERSION,
ScriptEngine.LANGUAGE,
ScriptEngine.LANGUAGE_VERSION,
};
if (log.isInfoEnabled()) {
for (String s : attrs) {
log.info(s + "=" + jsEngine.get(s));
}
}
jsEngine.eval("print('Hello, world!');");
}
/**
* Verify that the scripting engine will throw an exception if there is an
* error.
*
* @throws ScriptException
*/
public void testScriptExceptionThrown() throws ScriptException {
try {
/*
* Note: random() should not be resolved, leading to a thrown
* exception.
*/
jsEngine.eval("print('Hello, world!'); y=random()/0");
fail("Expected exception not thrown");
} catch (ScriptException ex) {
if (log.isInfoEnabled())
log.info("Ignoring expected exception: " + ex);
}
}
}