| /** |
| * 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 com.datatorrent.lib.script; |
| |
| import java.util.HashMap; |
| |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import com.datatorrent.lib.testbench.CollectorTestSink; |
| import com.datatorrent.lib.util.TestUtils; |
| |
| /** |
| * Functional tests for {@link com.datatorrent.lib.script.JavaScriptOperator}. |
| */ |
| public class JavaScriptOperatorTest |
| { |
| @Test |
| public void testJavaOperator() |
| { |
| // Create bash operator instance (calculate suqare). |
| JavaScriptOperator oper = new JavaScriptOperator(); |
| |
| oper.addSetupScript("function square() { return val*val;}"); |
| oper.setInvoke("square"); |
| oper.setPassThru(true); |
| oper.setup(null); |
| CollectorTestSink<Object> sink = new CollectorTestSink<Object>(); |
| TestUtils.setSink(oper.result, sink); |
| |
| // Add input sample data. |
| HashMap<String, Object> tuple = new HashMap<String, Object>(); |
| tuple.put("val", 2); |
| |
| // Process operator. |
| oper.beginWindow(0); |
| oper.inBindings.process(tuple); |
| oper.endWindow(); |
| |
| // Validate value. |
| Assert.assertEquals("number emitted tuples", 1, sink.collectedTuples.size()); |
| for (Object o : sink.collectedTuples) { // count is 12 |
| Assert.assertEquals("4.0 is expected", (Double)o, 4.0, 0); |
| } |
| } |
| } |