2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2018 Intel. All rights reserved.
4 * Copyright (C) 2019 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.junit.Assert.fail;
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.invocation.InvocationOnMock;
42 import org.mockito.runners.MockitoJUnitRunner;
43 import org.mockito.stubbing.Answer;
44 import org.onap.policy.common.parameters.ParameterService;
45 import org.onap.policy.distribution.reception.decoding.PolicyDecodingException;
46 import org.onap.policy.distribution.reception.statistics.DistributionStatisticsManager;
47 import org.slf4j.Logger;
48 import org.slf4j.LoggerFactory;
51 * Class to perform unit test of {@link FileSystemReceptionHandler}.
53 @RunWith(MockitoJUnitRunner.class)
54 public class TestFileSystemReceptionHandler {
56 private static final Logger LOGGER = LoggerFactory.getLogger(TestFileSystemReceptionHandler.class);
59 public TemporaryFolder tempFolder = new TemporaryFolder();
61 private FileSystemReceptionHandlerConfigurationParameterGroup pssdConfigParameters;
62 private FileSystemReceptionHandler fileSystemHandler;
66 * Setup for the test cases.
68 * @throws IOException if it occurs
69 * @throws SecurityException if it occurs
70 * @throws NoSuchFieldException if it occurs
71 * @throws IllegalAccessException if it occurs
72 * @throws IllegalArgumentException if it occurs
75 public final void init() throws IOException, NoSuchFieldException, SecurityException, IllegalArgumentException,
76 IllegalAccessException {
77 DistributionStatisticsManager.resetAllStatistics();
79 final Gson gson = new GsonBuilder().create();
80 pssdConfigParameters = gson.fromJson(new FileReader("src/test/resources/handling-filesystem.json"),
81 FileSystemReceptionHandlerConfigurationParameterGroup.class);
82 ParameterService.register(pssdConfigParameters);
83 fileSystemHandler = new FileSystemReceptionHandler();
87 public void teardown() {
88 ParameterService.deregister(pssdConfigParameters);
92 public final void testInit() throws IOException, InterruptedException {
93 final FileSystemReceptionHandler sypHandler = Mockito.spy(fileSystemHandler);
94 Mockito.doNothing().when(sypHandler).initFileWatcher(Mockito.isA(String.class),
97 sypHandler.initializeReception(pssdConfigParameters.getName());
98 } catch (final Exception exp) {
99 LOGGER.error("testInit failed", exp);
100 fail("Test should not throw any exception");
105 public final void testDestroy() throws IOException {
107 final FileSystemReceptionHandler sypHandler = Mockito.spy(fileSystemHandler);
108 Mockito.doNothing().when(sypHandler).initFileWatcher(Mockito.isA(String.class),
110 sypHandler.initializeReception(pssdConfigParameters.getName());
111 sypHandler.destroy();
112 } catch (final Exception exp) {
113 LOGGER.error("testDestroy failed", exp);
114 fail("Test should not throw any exception");
120 public void testMain() throws IOException, PolicyDecodingException {
121 final Object lock = new Object();
122 final String watchPath = tempFolder.getRoot().getAbsolutePath().toString();
125 public boolean processed = false;
128 final Processed cond = new Processed();
130 final FileSystemReceptionHandler sypHandler = Mockito.spy(fileSystemHandler);
131 Mockito.doAnswer(new Answer<Object>() {
133 public Object answer(final InvocationOnMock invocation) {
134 synchronized (lock) {
135 cond.processed = true;
140 }).when(sypHandler).createPolicyInputAndCallHandler(Mockito.isA(String.class));
142 final Thread th = new Thread(() -> {
144 sypHandler.initFileWatcher(watchPath, 2);
145 } catch (final IOException ex) {
146 LOGGER.error("testMain failed", ex);
152 // wait until internal watch service started or counter reached
153 final AtomicInteger counter = new AtomicInteger();
155 synchronized (lock) {
156 while (!sypHandler.isRunning() && counter.getAndIncrement() < 10) {
160 Files.copy(Paths.get("src/test/resources/hpaPolicyHugePage.csar"),
161 Paths.get(watchPath + File.separator + "hpaPolicyHugePage.csar"));
162 // wait until mock method triggered or counter reached
164 synchronized (lock) {
165 while (!cond.processed && counter.getAndIncrement() < 10) {
169 sypHandler.destroy();
172 } catch (final InterruptedException ex) {
173 LOGGER.error("testMain failed", ex);
175 Mockito.verify(sypHandler, Mockito.times(1)).createPolicyInputAndCallHandler(Mockito.isA(String.class));