2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2018 Intel. All rights reserved.
4 * Copyright (C) 2019-2020, 2022 Nordix Foundation.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.distribution.reception.handling.file;
24 import static org.assertj.core.api.Assertions.assertThatCode;
26 import com.google.gson.Gson;
27 import com.google.gson.GsonBuilder;
29 import java.io.FileReader;
30 import java.io.IOException;
31 import java.nio.file.Files;
32 import java.nio.file.Paths;
33 import java.util.concurrent.atomic.AtomicInteger;
34 import org.junit.After;
35 import org.junit.Before;
36 import org.junit.Rule;
37 import org.junit.Test;
38 import org.junit.rules.TemporaryFolder;
39 import org.junit.runner.RunWith;
40 import org.mockito.Mockito;
41 import org.mockito.runners.MockitoJUnitRunner;
42 import org.mockito.stubbing.Answer;
43 import org.onap.policy.common.parameters.ParameterService;
44 import org.onap.policy.distribution.reception.statistics.DistributionStatisticsManager;
45 import org.slf4j.Logger;
46 import org.slf4j.LoggerFactory;
49 * Class to perform unit test of {@link FileSystemReceptionHandler}.
51 @RunWith(MockitoJUnitRunner.class)
52 public class TestFileSystemReceptionHandler {
54 private static final Logger LOGGER = LoggerFactory.getLogger(TestFileSystemReceptionHandler.class);
57 public TemporaryFolder tempFolder = new TemporaryFolder();
59 private FileSystemReceptionHandlerConfigurationParameterGroup pssdConfigParameters;
60 private FileSystemReceptionHandler fileSystemHandler;
64 * Setup for the test cases.
66 * @throws IOException if it occurs
67 * @throws SecurityException if it occurs
68 * @throws IllegalArgumentException if it occurs
71 public final void init() throws IOException, SecurityException, IllegalArgumentException {
72 DistributionStatisticsManager.resetAllStatistics();
74 final Gson gson = new GsonBuilder().create();
75 pssdConfigParameters = gson.fromJson(new FileReader("src/test/resources/handling-filesystem.json"),
76 FileSystemReceptionHandlerConfigurationParameterGroup.class);
77 ParameterService.register(pssdConfigParameters);
78 fileSystemHandler = new FileSystemReceptionHandler();
82 public void teardown() {
83 ParameterService.deregister(pssdConfigParameters);
87 public final void testInit() throws IOException {
88 final FileSystemReceptionHandler sypHandler = Mockito.spy(fileSystemHandler);
89 Mockito.doNothing().when(sypHandler).initFileWatcher(Mockito.isA(String.class),
91 assertThatCode(() -> sypHandler.initializeReception(pssdConfigParameters.getName()))
92 .doesNotThrowAnyException();
96 public final void testDestroy() throws IOException {
97 final FileSystemReceptionHandler sypHandler = Mockito.spy(fileSystemHandler);
98 Mockito.doNothing().when(sypHandler).initFileWatcher(Mockito.isA(String.class),
100 assertThatCode(() -> {
101 sypHandler.initializeReception(pssdConfigParameters.getName());
102 sypHandler.destroy();
103 }).doesNotThrowAnyException();
107 public void testMain() throws IOException {
108 final Object lock = new Object();
109 final String watchPath = tempFolder.getRoot().getAbsolutePath();
112 public boolean processed = false;
115 final Processed cond = new Processed();
117 final FileSystemReceptionHandler sypHandler = Mockito.spy(fileSystemHandler);
118 Mockito.doAnswer((Answer<Object>) invocation -> {
119 synchronized (lock) {
120 cond.processed = true;
124 }).when(sypHandler).createPolicyInputAndCallHandler(Mockito.isA(String.class));
126 final Thread th = new Thread(() -> {
128 sypHandler.initFileWatcher(watchPath, 2);
129 } catch (final IOException ex) {
130 LOGGER.error("testMain failed", ex);
136 // wait until internal watch service started or counter reached
137 final AtomicInteger counter = new AtomicInteger();
139 synchronized (lock) {
140 while (!sypHandler.isRunning() && counter.getAndIncrement() < 10) {
144 Files.copy(Paths.get("src/test/resources/hpaPolicyHugePage.csar"),
145 Paths.get(watchPath + File.separator + "hpaPolicyHugePage.csar"));
146 // wait until mock method triggered or counter reached
148 synchronized (lock) {
149 while (!cond.processed && counter.getAndIncrement() < 10) {
153 sypHandler.destroy();
156 } catch (final InterruptedException ex) {
157 LOGGER.error("testMain failed", ex);
159 Mockito.verify(sypHandler, Mockito.times(1)).createPolicyInputAndCallHandler(Mockito.isA(String.class));