/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The SF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package org.apache.sling.hc.core.impl;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.lang.reflect.Field;
import java.util.Dictionary;
import java.util.Hashtable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import org.apache.sling.hc.api.Result;
import org.junit.Before;
import org.junit.Test;
import org.mockito.Matchers;
import org.mockito.Mockito;
import org.osgi.service.component.ComponentContext;
public class ScriptableHealthCheckTest {
private ScriptableHealthCheck hc;
private Dictionary<String, String> props;
private ComponentContext ctx;
private final JmxScriptBindingsProvider jmxScriptBindingsProvider = new JmxScriptBindingsProvider();
private void assertExpression(String expression, String languageExtension, boolean expected) throws Exception {
final ScriptEngine rhino = new ScriptEngineManager().getEngineByExtension("js");
assertNotNull("With the rhino jar in our classpath, we should get a js script engine", rhino);
final ScriptEngineManager manager = Mockito.mock(ScriptEngineManager.class);
Mockito.when(manager.getEngineByExtension(Matchers.same("ecma"))).thenReturn(rhino);
final Field f = hc.getClass().getDeclaredField("scriptEngineManager");
f.setAccessible(true);
f.set(hc, manager);
props.put(ScriptableHealthCheck.PROP_EXPRESSION, expression);
if(languageExtension != null) {
props.put(ScriptableHealthCheck.PROP_LANGUAGE_EXTENSION, languageExtension);
}
Mockito.when(ctx.getProperties()).thenReturn(props);
hc.activate(ctx);
final Result r = hc.execute();
assertEquals("Expecting result " + expected, expected, r.isOk());
}
@Before
public void setup() {
hc = new ScriptableHealthCheck();
ctx = Mockito.mock(ComponentContext.class);
props = new Hashtable<String, String>();
hc.bindBindingsValuesProvider(jmxScriptBindingsProvider);
}
@Test
public void testSimpleExpression() throws Exception {
assertExpression("2 + 3 == 5", null, true);
}
@Test
public void testRemoveBinding() throws Exception {
final String expr = "jmx.attribute('java.lang:type=ClassLoading', 'LoadedClassCount') > 10";
assertExpression(expr, "ecma", true);
hc.unbindBindingsValuesProvider(jmxScriptBindingsProvider);
assertExpression(expr, "ecma", false);
}
@Test
public void testJmxExpression() throws Exception {
assertExpression(
"jmx.attribute('java.lang:type=ClassLoading', 'LoadedClassCount') > 10"
+ " && jmx.attribute('java.lang:type=Runtime', 'ManagementSpecVersion') > 1",
"ecma", true);
}
@Test
public void testFalseExpression() throws Exception {
assertExpression("2 + 3 == 15", null, false);
}
@Test
public void testSyntaxError() throws Exception {
assertExpression("{not [valid ok?", null, false);
}
@Test
public void testNoEngine() throws Exception {
assertExpression("2 + 3 == 5", null, true);
assertExpression("2 + 3 == 5", "groovy", false);
}
}