@Test
public void testVarAccess() {
Configuration config = Configuration.instance();
try {
config.load();
} catch (ConfigurationException e1) {
e1.printStackTrace();
fail();
}
BSFManager bsfManager = new BSFManager();
BSFEngine engine = null;
try {
engine = bsfManager.loadScriptingEngine("BeanShell");
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
assertNotNull(engine);
try {
// ObjectRegistry registry = bsfManager.getObjectRegistry();
// registry.register("mmm", new Integer(3));
// engine.exec("source", 1, 1, "print( mmm );");
engine.exec("source", 1, 1, "mmm = 1000;");
engine.exec("source", 1, 1, "print( mmm );");
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
engine.terminate();
}
@Test
public void testRubyVersion() throws BSFException {
System.out.println("RubyVersion");
BSFManager.registerScriptingEngine(
"jruby", "org.jruby.embed.bsf.JRubyEngine", new String[] {"rb"});
BSFManager manager = new BSFManager();
JRubyEngine instance = (JRubyEngine) manager.loadScriptingEngine("jruby");
Object result =
instance.eval("org/jruby/embed/ruby/block-param-scope.rb", 0, 0, PathType.CLASSPATH);
String expResult = "cat";
assertEquals(expResult, ((String) result).trim());
// Ruby 1.9 mode is somehow broken in 1.5.0dev
BSFManager.registerScriptingEngine(
"jruby19", "org.jruby.embed.bsf.JRubyEngine", new String[] {"rb"});
instance = (JRubyEngine) manager.loadScriptingEngine("jruby19");
result = instance.eval("org/jruby/embed/ruby/block-param-scope.rb", 0, 0, PathType.CLASSPATH);
expResult = "bear";
assertEquals(expResult, ((String) result).trim());
}
protected void processFileOrScript(BSFManager mgr) throws BSFException {
BSFEngine bsfEngine = mgr.loadScriptingEngine(getScriptLanguage());
final String scriptFile = getFilename();
if (scriptFile.length() == 0) {
bsfEngine.exec("[script]", 0, 0, getScript());
} else { // we have a file, read and process it
try {
String script = FileUtils.readFileToString(new File(scriptFile));
bsfEngine.exec(scriptFile, 0, 0, script);
} catch (IOException e) {
log.warn(e.getLocalizedMessage());
throw new BSFException(BSFException.REASON_IO_ERROR, "Problem reading script file", e);
}
}
}
/**
* Loads the BSF engine.
*
* @param engineName name of the engine
* @see #getEngine()
*/
private void loadEngine(String engineName) throws ConfigurationException {
System.out.println("Loading script engine " + engineName);
try {
engine = bsfManager.loadScriptingEngine(engineName.trim());
} catch (BSFException bsfEx) {
String msg = "Could not find script engine " + engineName; // $NON-NLS-1$
System.err.println(msg + " " + bsfEx);
throw new ConfigurationException(msg, bsfEx);
}
// import the initial packages
for (String pkgName : scriptImportPkgList) {
System.out.println("Loading package " + pkgName);
importPkgToScriptEngine(pkgName);
}
System.out.println("Script engine " + engineName + " loaded");
}
@Test
public void testPathTyp() throws BSFException {
System.out.println("PathType");
BSFManager.registerScriptingEngine(
"jruby", "org.jruby.embed.bsf.JRubyEngine", new String[] {"rb"});
BSFManager manager = new BSFManager();
JRubyEngine instance = (JRubyEngine) manager.loadScriptingEngine("jruby");
Object receiver =
instance.eval("org/jruby/embed/ruby/radioactive_decay.rb", 0, 0, PathType.CLASSPATH);
String method = "amount_after_years";
Object[] args = new Object[2];
args[0] = 10.0;
args[1] = 1000;
// Plutonium
manager.declareBean("h", 24100, Long.class);
Object result = instance.call(receiver, method, args);
assertEquals(9.716, (Double) result, 0.001);
}
/** Test of call method, of class JRubyEngine. */
@Test
public void testCall() throws Exception {
System.out.println("call");
BSFManager.registerScriptingEngine(
"jruby", "org.jruby.embed.bsf.JRubyEngine", new String[] {"rb"});
BSFManager manager = new BSFManager();
JRubyEngine instance = (JRubyEngine) manager.loadScriptingEngine("jruby");
instance.initialize(manager, "jruby", null);
Object recv = null;
String method = "";
Object[] args = null;
Object expResult = null;
Object result = instance.call(recv, method, args);
assertEquals(expResult, result);
String script =
"# Radioactive decay\n"
+ "def amount_after_years(q0, t)\n"
+ "q0 * Math.exp(1.0 / $h * Math.log(1.0/2.0) * t)\n"
+ "end\n"
+ "def years_to_amount(q0, q)\n"
+ "$h * (Math.log(q) - Math.log(q0)) / Math.log(1.0/2.0)\n"
+ "end";
recv = manager.eval("jruby", "radioactive_decay", 0, 0, script);
method = "amount_after_years";
args = new Object[2];
args[0] = 10.0;
args[1] = 1000;
// Radium
manager.declareBean("h", 1599, Long.class);
result = instance.call(recv, method, args);
assertEquals(6.482, (Double) result, 0.001);
method = "years_to_amount";
args[0] = 10.0;
args[1] = 1.0;
result = instance.call(recv, method, args);
assertEquals(5311.8, (Double) result, 0.1);
}
/* (non-Javadoc)
* @see org.marketcetera.strategy.ExecutionEngine#prepare(org.marketcetera.strategy.Strategy, java.lang.String)
*/
@Override
public void prepare(Strategy inStrategy, String inProcessedScript) throws StrategyException {
strategy = inStrategy;
processedScript = inProcessedScript;
SLF4JLoggerProxy.debug(
this,
"Preparing {}", //$NON-NLS-1$
inStrategy);
registerScriptEngines();
String languageString = inStrategy.getLanguage().name();
try {
synchronized (scriptManager) {
if (scriptEngine == null) {
String classpath = System.getProperty(Strategy.CLASSPATH_PROPERTYNAME);
SLF4JLoggerProxy.debug(
this,
"Setting classpath to {}", //$NON-NLS-1$
classpath);
scriptManager.setClassPath(classpath);
scriptEngine = scriptManager.loadScriptingEngine(languageString);
SLF4JLoggerProxy.debug(this, "Initializing engine..."); // $NON-NLS-1$
scriptEngine.initialize(scriptManager, languageString, new Vector<Object>());
} else {
SLF4JLoggerProxy.debug(this, "Reusing intialized engine..."); // $NON-NLS-1$
}
}
} catch (BSFException e) {
StrategyModule.log(
LogEventBuilder.error()
.withMessage(NO_SUPPORT_FOR_LANGUAGE, languageString)
.withException(e)
.create(),
strategy);
throw new StrategyException(
e, new I18NBoundMessage1P(NO_SUPPORT_FOR_LANGUAGE, languageString));
}
}
@Test
public void testEval() {
Configuration config = Configuration.instance();
try {
config.load();
} catch (ConfigurationException ex) {
ex.printStackTrace();
fail();
}
BSFManager bsfManager = new BSFManager();
Integer i = new Integer(5);
try {
bsfManager.declareBean("i", i, Integer.class);
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
BSFEngine engine = null;
try {
engine = bsfManager.loadScriptingEngine("BeanShell");
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
assertNotNull(engine);
Integer j = new Integer(7);
try {
bsfManager.declareBean("j", j, Integer.class);
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
try {
engine.exec("source", 1, 1, "a=3;\nprint(a);");
engine.exec("source", 1, 1, "a=a+1;\nprint(a);");
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
try {
engine.exec("source", 1, 1, "print(\"i=\"+i);");
engine.exec("source", 1, 1, "j=j*10; print(\"j=\"+j);");
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
// BSFDeclaredBean toto = new BSFDeclaredBean();
// toto.beannew BSFDeclaredBean("i", i, Integer.class);
ObjectRegistry registry = bsfManager.getObjectRegistry();
Object jValue = registry.lookup("j");
if (jValue != null) {
System.out.println("j-value = " + jValue.toString());
}
registry.register("k", new Integer(1000));
Object kValue = registry.lookup("k");
assertNotNull(kValue);
System.out.println("k=" + kValue.toString());
try {
engine.exec("source", 1, 1, "print(\"k=\"+k);");
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
try {
bsfManager.declareBean("k", kValue, Integer.class);
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
try {
engine.exec("source", 1, 1, "print(\"k=\"+k);");
} catch (BSFException e) {
e.printStackTrace();
fail(e.getMessage());
}
engine.terminate();
}
