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package org.python.util;
import java.lang.reflect.Method;
import java.util.Properties;
import org.python.core.PySystemState;
import junit.framework.TestCase;
/**
* Tests for creating the right interactive console.
*/
public class jythonTest extends TestCase {
private static final String PYTHON_CONSOLE = "python.console";
private Properties _originalRegistry;
@Override
protected void setUp() throws Exception {
_originalRegistry = PySystemState.registry;
Properties registry;
if (_originalRegistry != null) {
registry = new Properties(_originalRegistry);
} else {
registry = new Properties();
}
PySystemState.registry = registry;
}
@Override
protected void tearDown() throws Exception {
PySystemState.registry = _originalRegistry;
}
/**
* test the default behavior
*
* @throws Exception
*/
public void testNewInterpreter() throws Exception {
assertEquals(JLineConsole.class, invokeNewInterpreter(true).getClass());
}
/**
* test registry override
*
* @throws Exception
*/
public void testNewInterpreter_registry() throws Exception {
PySystemState.registry.setProperty(PYTHON_CONSOLE, "org.python.util.InteractiveConsole");
assertEquals(InteractiveConsole.class, invokeNewInterpreter(true).getClass());
}
/**
* test fallback in case of an invalid registry value
*
* @throws Exception
*/
public void testNewInterpreter_unknown() throws Exception {
PySystemState.registry.setProperty(PYTHON_CONSOLE, "foo.bar.NoConsole");
assertEquals(JLineConsole.class, invokeNewInterpreter(true).getClass());
}
/**
* test non-interactive fallback to legacy console
*
* @throws Exception
*/
public void testNewInterpreter_NonInteractive() throws Exception {
assertEquals(InteractiveConsole.class, invokeNewInterpreter(false).getClass());
}
/**
* Invoke the private static method 'newInterpreter(boolean)' on jython.class
*
* @throws Exception
*/
private InteractiveConsole invokeNewInterpreter(boolean interactiveStdin) throws Exception {
Method method = jython.class.getDeclaredMethod("newInterpreter", Boolean.TYPE);
assertNotNull(method);
method.setAccessible(true);
Object result = method.invoke(null, interactiveStdin);
assertNotNull(result);
assertTrue(result instanceof InteractiveConsole);
return (InteractiveConsole)result;
}
}
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