| /* |
| * 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.nifi.processors.script; |
| |
| import org.apache.nifi.components.PropertyDescriptor; |
| import org.apache.nifi.processor.Relationship; |
| import org.apache.nifi.script.ScriptingComponentUtils; |
| import org.apache.nifi.util.MockFlowFile; |
| import org.apache.nifi.util.MockProcessContext; |
| import org.apache.nifi.util.MockProcessorInitializationContext; |
| import org.apache.nifi.util.MockValidationContext; |
| import org.apache.nifi.util.TestRunner; |
| import org.apache.nifi.util.TestRunners; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.nio.charset.StandardCharsets; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertTrue; |
| |
| public class TestInvokeJavascript extends BaseScriptTest { |
| |
| @Before |
| public void setup() throws Exception { |
| super.setupInvokeScriptProcessor(); |
| } |
| |
| /** |
| * Tests a scripted processor written in Javascript that reads the first line of text from the flowfiles content |
| * and stores the value in an attribute of the outgoing flowfile. |
| * Confirms that the scripted processor transfers the incoming flowfile with an attribute added. |
| * |
| * @throws Exception Any error encountered while testing |
| */ |
| @Test |
| public void testReadFlowFileContentAndStoreInFlowFileAttribute() throws Exception { |
| runner.setProperty(scriptingComponent.getScriptingComponentHelper().SCRIPT_ENGINE, "ECMAScript"); |
| runner.setProperty(ScriptingComponentUtils.SCRIPT_FILE, "target/test/resources/javascript/test_reader.js"); |
| runner.setProperty(ScriptingComponentUtils.MODULES, "target/test/resources/javascript"); |
| |
| runner.assertValid(); |
| runner.enqueue("test content".getBytes(StandardCharsets.UTF_8)); |
| runner.run(); |
| |
| runner.assertAllFlowFilesTransferred("test", 1); |
| final List<MockFlowFile> result = runner.getFlowFilesForRelationship("test"); |
| result.get(0).assertAttributeEquals("from-content", "test content"); |
| } |
| |
| /** |
| * Tests a scripted processor written in Javascript that reads the first line of text from the flowfiles content and |
| * stores the value in an attribute of the outgoing flowfile. |
| * Confirms that the scripted processor can return property descriptors defined in it. |
| * |
| * @throws Exception Any error encountered while testing |
| */ |
| @Test |
| public void testScriptDefinedAttribute() throws Exception { |
| InvokeScriptedProcessor processor = new InvokeScriptedProcessor(); |
| MockProcessContext context = new MockProcessContext(processor); |
| MockProcessorInitializationContext initContext = new MockProcessorInitializationContext(processor, context); |
| |
| processor.initialize(initContext); |
| |
| context.setProperty(scriptingComponent.getScriptingComponentHelper().SCRIPT_ENGINE, "ECMAScript"); |
| context.setProperty(ScriptingComponentUtils.SCRIPT_FILE, "target/test/resources/javascript/test_reader.js"); |
| context.setProperty(ScriptingComponentUtils.MODULES, "target/test/resources/javascript"); |
| // State Manger is unused, and a null reference is specified |
| processor.customValidate(new MockValidationContext(context)); |
| processor.setup(context); |
| |
| List<PropertyDescriptor> descriptors = processor.getSupportedPropertyDescriptors(); |
| assertNotNull(descriptors); |
| assertTrue(descriptors.size() > 0); |
| boolean found = false; |
| for (PropertyDescriptor descriptor : descriptors) { |
| if (descriptor.getName().equals("test-attribute")) { |
| found = true; |
| break; |
| } |
| } |
| assertTrue(found); |
| } |
| |
| /** |
| * Tests a scripted processor written in Javascript reads the first line of text from the flowfiles content and |
| * stores the value in an attribute of the outgoing flowfile. |
| * Confirms that the scripted processor can return relationships defined in it. |
| * |
| * @throws Exception Any error encountered while testing |
| */ |
| @Test |
| public void testScriptDefinedRelationship() throws Exception { |
| InvokeScriptedProcessor processor = new InvokeScriptedProcessor(); |
| MockProcessContext context = new MockProcessContext(processor); |
| MockProcessorInitializationContext initContext = new MockProcessorInitializationContext(processor, context); |
| |
| processor.initialize(initContext); |
| |
| context.setProperty(scriptingComponent.getScriptingComponentHelper().SCRIPT_ENGINE, "ECMAScript"); |
| context.setProperty(ScriptingComponentUtils.SCRIPT_FILE, "target/test/resources/javascript/test_reader.js"); |
| context.setProperty(ScriptingComponentUtils.MODULES, "target/test/resources/javascript"); |
| |
| // State Manger is unused, and a null reference is specified |
| processor.customValidate(new MockValidationContext(context)); |
| processor.setup(context); |
| |
| Set<Relationship> relationships = processor.getRelationships(); |
| assertNotNull(relationships); |
| assertTrue(relationships.size() > 0); |
| boolean found = false; |
| for (Relationship relationship : relationships) { |
| if (relationship.getName().equals("test")) { |
| found = true; |
| break; |
| } |
| } |
| assertTrue(found); |
| } |
| |
| /** |
| * Tests a script that throws a ProcessException within. |
| * The expected result is that the exception will be propagated. |
| * |
| * @throws Exception Any error encountered while testing |
| */ |
| @Test(expected = AssertionError.class) |
| public void testInvokeScriptCausesException() throws Exception { |
| final TestRunner runner = TestRunners.newTestRunner(new InvokeScriptedProcessor()); |
| runner.setProperty(scriptingComponent.getScriptingComponentHelper().SCRIPT_ENGINE, "ECMAScript"); |
| runner.setProperty(ScriptingComponentUtils.SCRIPT_BODY, getFileContentsAsString( |
| TEST_RESOURCE_LOCATION + "javascript/testInvokeScriptCausesException.js") |
| ); |
| runner.assertValid(); |
| runner.enqueue("test content".getBytes(StandardCharsets.UTF_8)); |
| runner.run(); |
| |
| } |
| |
| /** |
| * Tests a script that routes the FlowFile to failure. |
| * |
| * @throws Exception Any error encountered while testing |
| */ |
| @Test |
| public void testScriptRoutesToFailure() throws Exception { |
| runner.setProperty(scriptingComponent.getScriptingComponentHelper().SCRIPT_ENGINE, "ECMAScript"); |
| runner.setProperty(ScriptingComponentUtils.SCRIPT_BODY, getFileContentsAsString( |
| TEST_RESOURCE_LOCATION + "javascript/testScriptRoutesToFailure.js") |
| ); |
| runner.assertValid(); |
| runner.enqueue("test content".getBytes(StandardCharsets.UTF_8)); |
| runner.run(); |
| |
| runner.assertAllFlowFilesTransferred("FAILURE", 1); |
| final List<MockFlowFile> result = runner.getFlowFilesForRelationship("FAILURE"); |
| assertFalse(result.isEmpty()); |
| } |
| |
| /** |
| * Tests an empty script with Nashorn (which throws an NPE if it is loaded), this test verifies an empty script is not attempted to be loaded. |
| * |
| * @throws Exception Any error encountered while testing |
| */ |
| @Test |
| public void testEmptyScript() throws Exception { |
| runner.setProperty(scriptingComponent.getScriptingComponentHelper().SCRIPT_ENGINE, "ECMAScript"); |
| runner.setProperty(ScriptingComponentUtils.SCRIPT_BODY, ""); |
| runner.assertNotValid(); |
| } |
| } |