2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
23 package org.openecomp.appc.adapter.iaas.impl;
25 import static org.junit.Assert.*;
27 import org.junit.Before;
28 import org.junit.Test;
29 import org.openecomp.appc.Constants;
30 import org.openecomp.appc.adapter.iaas.impl.RequestContext;
31 import org.openecomp.appc.configuration.Configuration;
32 import org.openecomp.appc.configuration.ConfigurationFactory;
35 * Test the RequestContext object
37 * The request context is used to track retries, recovery attempts, and time to live of the processing of a request.
41 public class TestRequestContext {
43 private RequestContext rc;
44 private Configuration config = ConfigurationFactory.getConfiguration();
47 * Set up the test environment by forcing the retry delay and limit to small values for the test and setting up the
48 * request context object.
52 config.setProperty(Constants.PROPERTY_RETRY_DELAY, "1");
53 config.setProperty(Constants.PROPERTY_RETRY_LIMIT, "3");
54 rc = new RequestContext(null);
55 rc.setTimeToLiveSeconds(2);
59 * Ensure that we set up the property correctly
62 public void testRetryDelayProperty() {
63 assertEquals(1, rc.getRetryDelay());
67 * Ensure that we set up the property correctly
70 public void testRetryLimitProperty() {
71 assertEquals(3, rc.getRetryLimit());
75 * This test ensures that the retry attempt counter is zero on a new context
78 public void testRetryCountNoRetries() {
79 assertEquals(0, rc.getAttempts());
83 * Test that the delay is accurate
86 public void testDelay() {
87 long future = System.currentTimeMillis() + (rc.getRetryDelay() * 1000L);
91 assertTrue(System.currentTimeMillis() >= future);
95 * The RequestContext tracks the number of retry attempts against the limit. This test verifies that tracking logic
99 public void testCanRetry() {
100 assertEquals(0, rc.getAttempts());
101 assertTrue(rc.attempt());
102 assertEquals(1, rc.getAttempts());
103 assertTrue(rc.attempt());
104 assertEquals(2, rc.getAttempts());
105 assertTrue(rc.attempt());
106 assertEquals(3, rc.getAttempts());
107 assertFalse(rc.attempt());
108 assertEquals(3, rc.getAttempts());
109 assertFalse(rc.attempt());
110 assertEquals(3, rc.getAttempts());
111 assertFalse(rc.attempt());
112 assertEquals(3, rc.getAttempts());
116 * The same RequestContext is used throughout the processing, and retries need to be reset once successfully
117 * connected so that any earlier (successful) recoveries are not considered when performing any new future
118 * recoveries. This test ensures that a reset clears the retry counter and that we can attempt retries again up to
122 public void testResetAndCanRetry() {
123 assertTrue(rc.attempt());
124 assertTrue(rc.attempt());
125 assertTrue(rc.attempt());
128 assertTrue(rc.attempt());
129 assertTrue(rc.attempt());
130 assertTrue(rc.attempt());
131 assertFalse(rc.attempt());
132 assertFalse(rc.attempt());
133 assertFalse(rc.attempt());
137 * This test is used to test tracking of time to live for the request context. Because time is inexact, the
138 * assertions can only be ranges of values, such as at least some value or greater. The total duration tracking in
139 * the request context is only updated on each call to {@link RequestContext#isAlive()}. Also, durations are NOT
140 * affected by calls to reset.
143 public void testTimeToLive() {
144 assertTrue(rc.getTotalDuration() == 0L);
145 assertTrue(rc.isAlive());
148 assertTrue(rc.isAlive());
149 assertTrue(rc.getTotalDuration() >= 1000L);
153 assertTrue(rc.getTotalDuration() >= 2000L);
156 assertFalse(rc.isAlive());
157 assertTrue(rc.getTotalDuration() >= 3000L);