public void testMethodIndirection() throws Exception {
PythonScriptEngineInitializer initializer = new PythonScriptEngineInitializer();
ScriptEngine engine = initializer.instantiate(Collections.<String>emptySet(), null);
Bindings bindings = engine.createBindings();
Tester tester = new Tester();
bindings.put("tester", tester);
engine.setBindings(bindings, ScriptContext.ENGINE_SCOPE);
engine.eval("tester.increment()");
Assert.assertEquals(tester.getInvocationCoung(), 1, "Unexpected number of tester invocations.");
Map<String, Set<Method>> methods = getMethodsByName(Tester.class);
for (Set<Method> ms : methods.values()) {
Set<String> fns = initializer.generateIndirectionMethods("tester", ms);
for (String fn : fns) {
engine.eval(fn);
}
}
engine.eval("increment()");
Assert.assertEquals(
tester.getInvocationCoung(),
2,
"Unexpected number of tester invocations after calling an indirected method.");
}
public void testEngineInitialization() throws Exception {
PythonScriptEngineInitializer initializer = new PythonScriptEngineInitializer();
ScriptEngine engine = initializer.instantiate(Collections.<String>emptySet(), null);
// just some code to test out this is python
engine.eval("from java.util import HashMap\nHashMap()");
}
public void testSourceProvider() throws Exception {
PythonScriptEngineInitializer initializer = new PythonScriptEngineInitializer();
ScriptEngine engine = initializer.instantiate(Collections.<String>emptySet(), null);
StringWriter wrt = new StringWriter();
engine.getContext().setWriter(wrt);
initializer.installScriptSourceProvider(engine, new SourceProvider());
engine.eval(
"import sys\nsys.path.append('__rhq__:test-unsupported/')\nsys.path.append('__rhq__:test/')\nimport test_module");
Assert.assertEquals(
wrt.toString(), EXPECTED_OUTPUT + "\n", "Unexpected output from a custom module.");
}
public void testSecuredEngine() throws Exception {
PythonScriptEngineInitializer initializer = new PythonScriptEngineInitializer();
// jython seems to need these two..
Permissions perms = new Permissions();
perms.add(new RuntimePermission("createClassLoader"));
perms.add(new RuntimePermission("getProtectionDomain"));
// add permission to read files so that modules can be loaded, but writing should fail
perms.add(new FilePermission("<<ALL FILES>>", "read"));
ScriptEngine engine = initializer.instantiate(Collections.<String>emptySet(), perms);
try {
engine.eval("import os\nfp = open('pom.xml', 'w')");
Assert.fail("Opening a file for writing should have failed with a security exception.");
} catch (ScriptException e) {
checkIsCausedByAccessControlException(e);
}
}