| /* |
| * 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 ASF 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.scripting.javascript.internal; |
| |
| import java.io.OutputStreamWriter; |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| import java.util.HashMap; |
| import java.util.Map; |
| import javax.script.Bindings; |
| import javax.script.ScriptContext; |
| import javax.script.ScriptEngine; |
| import javax.script.ScriptException; |
| import javax.script.SimpleBindings; |
| import javax.script.SimpleScriptContext; |
| |
| import org.apache.sling.commons.testing.osgi.MockBundle; |
| import org.apache.sling.commons.testing.osgi.MockComponentContext; |
| import org.apache.sling.scripting.api.ScriptCache; |
| import org.mockito.internal.util.reflection.Whitebox; |
| import org.mozilla.javascript.Context; |
| import org.mozilla.javascript.ScriptableObject; |
| import org.mozilla.javascript.Wrapper; |
| import org.osgi.framework.BundleContext; |
| |
| import static org.mockito.Mockito.mock; |
| |
| /** Helpers to run javascript code fragments in tests */ |
| public class ScriptEngineHelper { |
| private static ScriptEngine engine; |
| private static ScriptCache scriptCache = mock(ScriptCache.class); |
| |
| public static class Data extends HashMap<String, Object> { |
| } |
| |
| private static ScriptEngine getEngine() { |
| if (engine == null) { |
| synchronized (ScriptEngineHelper.class) { |
| final RhinoMockComponentContext componentContext = new RhinoMockComponentContext(); |
| final RhinoJavaScriptEngineFactoryConfiguration configuration = mock(RhinoJavaScriptEngineFactoryConfiguration.class); |
| RhinoJavaScriptEngineFactory factory = new RhinoJavaScriptEngineFactory(); |
| Whitebox.setInternalState(factory, "scriptCache", scriptCache); |
| factory.activate(componentContext, configuration); |
| engine = factory.getScriptEngine(); |
| } |
| } |
| return engine; |
| } |
| |
| public String evalToString(String javascriptCode) throws ScriptException { |
| return evalToString(javascriptCode, null); |
| } |
| |
| public Object eval(String javascriptCode, Map<String, Object> data) |
| throws ScriptException { |
| return eval(javascriptCode, data, new StringWriter()); |
| } |
| |
| public String evalToString(String javascriptCode, Map<String, Object> data) |
| throws ScriptException { |
| final StringWriter sw = new StringWriter(); |
| eval(javascriptCode, data, sw); |
| return sw.toString(); |
| } |
| |
| public Object eval(String javascriptCode, Map<String, Object> data, |
| final StringWriter sw) throws ScriptException { |
| final PrintWriter pw = new PrintWriter(sw, true); |
| ScriptContext ctx = new SimpleScriptContext(); |
| |
| final Bindings b = new SimpleBindings(); |
| b.put("out", pw); |
| if (data != null) { |
| for (Map.Entry<String, Object> e : data.entrySet()) { |
| b.put(e.getKey(), e.getValue()); |
| } |
| } |
| |
| ctx.setBindings(b, ScriptContext.ENGINE_SCOPE); |
| ctx.setWriter(sw); |
| ctx.setErrorWriter(new OutputStreamWriter(System.err)); |
| Object result = getEngine().eval(javascriptCode, ctx); |
| |
| if (result instanceof Wrapper) { |
| result = ((Wrapper) result).unwrap(); |
| } |
| |
| if (result instanceof ScriptableObject) { |
| Context.enter(); |
| try { |
| result = ((ScriptableObject) result).getDefaultValue(null); |
| } finally { |
| Context.exit(); |
| } |
| } |
| |
| return result; |
| } |
| |
| private static class RhinoMockComponentContext extends MockComponentContext { |
| |
| private BundleContext bundleContext = mock(BundleContext.class); |
| |
| private RhinoMockComponentContext() { |
| super(new MockBundle(0)); |
| } |
| |
| @Override |
| public BundleContext getBundleContext() { |
| return bundleContext; |
| } |
| } |
| } |