/* * Copyright 2016-2017 BatchIQ * * Licensed 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.batchiq.nifi.script.samples.executescript; import org.apache.nifi.components.state.Scope; import org.apache.nifi.components.state.StateManager; import org.apache.nifi.components.state.StateMap; import org.apache.nifi.processors.script.ExecuteScript; import org.apache.nifi.script.ScriptingComponentUtils; import org.apache.nifi.util.TestRunner; import org.apache.nifi.util.TestRunners; import org.junit.Assert; import org.junit.Test; import java.nio.charset.StandardCharsets; import java.util.HashMap; import java.util.Map; public class TestState extends BaseScriptTest{ /** * Demonstrates reading and writing processor state values * @throws Exception */ @Test public void testStateJavascript() throws Exception { final TestRunner runner = TestRunners.newTestRunner(new ExecuteScript()); runner.setValidateExpressionUsage(false); runner.setProperty(SCRIPT_ENGINE, "ECMAScript"); runner.setProperty(ScriptingComponentUtils.SCRIPT_FILE, "src/test/resources/executescript/state/state.js"); runner.setProperty(ScriptingComponentUtils.MODULES, "src/test/resources/executescript"); runner.assertValid(); StateManager stateManager = runner.getStateManager(); stateManager.clear(Scope.CLUSTER); Map<String, String> initialStateValues = new HashMap<>(); initialStateValues.put("some-state", "foo"); stateManager.setState(initialStateValues, Scope.CLUSTER); runner.enqueue("sample text".getBytes(StandardCharsets.UTF_8)); runner.run(); runner.assertAllFlowFilesTransferred("success", 1); StateMap resultStateValues = stateManager.getState(Scope.CLUSTER); Assert.assertEquals("foobar", resultStateValues.get("some-state")); } /** * Demonstrates reading and writing processor state values * @throws Exception */ @Test public void testStatePython() throws Exception { final TestRunner runner = TestRunners.newTestRunner(new ExecuteScript()); runner.setValidateExpressionUsage(false); runner.setProperty(SCRIPT_ENGINE, "python"); runner.setProperty(ScriptingComponentUtils.SCRIPT_FILE, "src/test/resources/executescript/state/state.py"); runner.setProperty(ScriptingComponentUtils.MODULES, "src/test/resources/executescript"); runner.assertValid(); StateManager stateManager = runner.getStateManager(); stateManager.clear(Scope.CLUSTER); Map<String, String> initialStateValues = new HashMap<>(); initialStateValues.put("some-state", "foo"); stateManager.setState(initialStateValues, Scope.CLUSTER); runner.enqueue("sample text".getBytes(StandardCharsets.UTF_8)); runner.run(); runner.assertAllFlowFilesTransferred("success", 1); StateMap resultStateValues = stateManager.getState(Scope.CLUSTER); Assert.assertEquals("foobar", resultStateValues.get("some-state")); } }