| /* |
| * 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.commons.jexl3.scripting; |
| |
| import java.io.StringWriter; |
| import javax.script.Compilable; |
| import javax.script.CompiledScript; |
| |
| import javax.script.ScriptEngine; |
| import javax.script.ScriptEngineManager; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class JexlScriptEngineOptionalTest { |
| private final JexlScriptEngineFactory factory = new JexlScriptEngineFactory(); |
| private final ScriptEngineManager manager = new ScriptEngineManager(); |
| private final ScriptEngine engine = manager.getEngineByName("jexl"); |
| |
| @Test |
| public void testOutput() throws Exception { |
| final String output = factory.getOutputStatement("foo\u00a9bar"); |
| Assert.assertEquals("JEXL.out.print('foo\\u00a9bar')", output); |
| // redirect output to capture evaluation result |
| final StringWriter outContent = new StringWriter(); |
| engine.getContext().setWriter(outContent); |
| engine.eval(output); |
| Assert.assertEquals("foo\u00a9bar", outContent.toString()); |
| } |
| |
| @Test |
| public void testError() throws Exception { |
| final String error = "JEXL.err.print('ERROR')"; |
| // redirect error to capture evaluation result |
| final StringWriter outContent = new StringWriter(); |
| engine.getContext().setErrorWriter(outContent); |
| engine.eval(error); |
| Assert.assertEquals("ERROR", outContent.toString()); |
| } |
| |
| @Test |
| public void testCompilable() throws Exception { |
| Assert.assertTrue("Engine should implement Compilable", engine instanceof Compilable); |
| final Compilable cengine = (Compilable) engine; |
| final CompiledScript script = cengine.compile("40 + 2"); |
| Assert.assertEquals(42, script.eval()); |
| Assert.assertEquals(42, script.eval()); |
| } |
| } |