| /* |
| * 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. |
| */ |
| |
| using Apache.NMS.Policies; |
| using NUnit.Framework; |
| |
| namespace Apache.NMS.Test |
| { |
| [TestFixture] |
| public class RedeliveryPolicyTest |
| { |
| [Test] |
| public void Executes_redelivery_policy_with_backoff_enabled_correctly() |
| { |
| RedeliveryPolicy policy = new RedeliveryPolicy(); |
| |
| policy.BackOffMultiplier = 2; |
| policy.InitialRedeliveryDelay = 5; |
| policy.UseExponentialBackOff = true; |
| |
| // simulate a retry of 10 times |
| Assert.IsTrue(policy.RedeliveryDelay(0) == 0, "redelivery delay not 5 is " + policy.RedeliveryDelay(0)); |
| Assert.IsTrue(policy.RedeliveryDelay(1) == 5, "redelivery delay not 10 is " + policy.RedeliveryDelay(1)); |
| Assert.IsTrue(policy.RedeliveryDelay(2) == 10, "redelivery delay not 20 is " + policy.RedeliveryDelay(2)); |
| Assert.IsTrue(policy.RedeliveryDelay(3) == 20, "redelivery delay not 40 is " + policy.RedeliveryDelay(3)); |
| Assert.IsTrue(policy.RedeliveryDelay(4) == 40, "redelivery delay not 80 is " + policy.RedeliveryDelay(4)); |
| Assert.IsTrue(policy.RedeliveryDelay(5) == 80, "redelivery delay not 160 is " + policy.RedeliveryDelay(5)); |
| Assert.IsTrue(policy.RedeliveryDelay(6) == 160, "redelivery delay not 320 is " + policy.RedeliveryDelay(6)); |
| Assert.IsTrue(policy.RedeliveryDelay(7) == 320, "redelivery delay not 640 is " + policy.RedeliveryDelay(7)); |
| Assert.IsTrue(policy.RedeliveryDelay(8) == 640, "redelivery delay not 1280 is " + policy.RedeliveryDelay(8)); |
| Assert.IsTrue(policy.RedeliveryDelay(9) == 1280, "redelivery delay not 2560 is " + policy.RedeliveryDelay(9)); |
| } |
| |
| [Test] |
| public void Executes_redelivery_policy_with_backoff_of_3_enabled_correctly() |
| { |
| RedeliveryPolicy policy = new RedeliveryPolicy(); |
| |
| policy.BackOffMultiplier = 3; |
| policy.InitialRedeliveryDelay = 3; |
| policy.UseExponentialBackOff = true; |
| |
| // simulate a retry of 10 times |
| Assert.IsTrue(policy.RedeliveryDelay(0) == 0, "redelivery delay not 5 is " + policy.RedeliveryDelay(0)); |
| Assert.IsTrue(policy.RedeliveryDelay(1) == 3, "redelivery delay not 10 is " + policy.RedeliveryDelay(1)); |
| Assert.IsTrue(policy.RedeliveryDelay(2) == 9, "redelivery delay not 20 is " + policy.RedeliveryDelay(2)); |
| Assert.IsTrue(policy.RedeliveryDelay(3) == 27, "redelivery delay not 40 is " + policy.RedeliveryDelay(3)); |
| Assert.IsTrue(policy.RedeliveryDelay(4) == 81, "redelivery delay not 80 is " + policy.RedeliveryDelay(4)); |
| Assert.IsTrue(policy.RedeliveryDelay(5) == 243, "redelivery delay not 160 is " + policy.RedeliveryDelay(5)); |
| Assert.IsTrue(policy.RedeliveryDelay(6) == 729, "redelivery delay not 320 is " + policy.RedeliveryDelay(6)); |
| Assert.IsTrue(policy.RedeliveryDelay(7) == 2187, "redelivery delay not 640 is " + policy.RedeliveryDelay(7)); |
| Assert.IsTrue(policy.RedeliveryDelay(8) == 6561, "redelivery delay not 1280 is " + policy.RedeliveryDelay(8)); |
| Assert.IsTrue(policy.RedeliveryDelay(9) == 19683, "redelivery delay not 2560 is " + policy.RedeliveryDelay(9)); |
| } |
| |
| [Test] |
| public void Executes_redelivery_policy_without_backoff_enabled_correctly() |
| { |
| RedeliveryPolicy policy = new RedeliveryPolicy(); |
| |
| policy.InitialRedeliveryDelay = 5; |
| |
| // simulate a retry of 10 times |
| Assert.IsTrue(policy.RedeliveryDelay(0) == 0, "redelivery delay not 0 is " + policy.RedeliveryDelay(0)); |
| Assert.IsTrue(policy.RedeliveryDelay(1) == 5, "redelivery delay not 5 is " + policy.RedeliveryDelay(1)); |
| Assert.IsTrue(policy.RedeliveryDelay(2) == 5, "redelivery delay not 5 is " + policy.RedeliveryDelay(2)); |
| Assert.IsTrue(policy.RedeliveryDelay(3) == 5, "redelivery delay not 5 is " + policy.RedeliveryDelay(3)); |
| Assert.IsTrue(policy.RedeliveryDelay(4) == 5, "redelivery delay not 5 is " + policy.RedeliveryDelay(4)); |
| Assert.IsTrue(policy.RedeliveryDelay(5) == 5, "redelivery delay not 5 is " + policy.RedeliveryDelay(5)); |
| Assert.IsTrue(policy.RedeliveryDelay(6) == 5, "redelivery delay not 5 is " + policy.RedeliveryDelay(6)); |
| Assert.IsTrue(policy.RedeliveryDelay(7) == 5, "redelivery delay not 5 is " + policy.RedeliveryDelay(7)); |
| Assert.IsTrue(policy.RedeliveryDelay(8) == 5, "redelivery delay not 5 is " + policy.RedeliveryDelay(8)); |
| Assert.IsTrue(policy.RedeliveryDelay(9) == 5, "redelivery delay not 5 is " + policy.RedeliveryDelay(9)); |
| } |
| |
| [Test] |
| public void Should_get_collision_percent_correctly() |
| { |
| RedeliveryPolicy policy = new RedeliveryPolicy(); |
| |
| policy.CollisionAvoidancePercent = 45; |
| |
| Assert.IsTrue(policy.CollisionAvoidancePercent == 45); |
| } |
| |
| [Test] |
| public void Executes_redelivery_policy_with_collision_enabled_correctly() |
| { |
| RedeliveryPolicy policy = new RedeliveryPolicy(); |
| |
| policy.BackOffMultiplier = 2; |
| policy.InitialRedeliveryDelay = 5; |
| policy.UseExponentialBackOff = true; |
| policy.UseCollisionAvoidance = true; |
| policy.CollisionAvoidancePercent = 10; |
| |
| // simulate a retry of 10 times |
| int delay = policy.RedeliveryDelay(0); |
| Assert.IsTrue(delay == 0, "not zero is " + policy.RedeliveryDelay(0)); |
| delay = policy.RedeliveryDelay(1); |
| Assert.IsTrue(delay >= 4.5 && delay <= 5.5, "not delay >= 4.5 && delay <= 5.5 is " + policy.RedeliveryDelay(1)); |
| delay = policy.RedeliveryDelay(2); |
| Assert.IsTrue(delay >= 9 && delay <= 11, "not delay >= 9 && delay <= 11 is " + policy.RedeliveryDelay(2)); |
| delay = policy.RedeliveryDelay(3); |
| Assert.IsTrue(delay >= 18 && delay <= 22, "not delay >= 18 && delay <= 22 is " + policy.RedeliveryDelay(3)); |
| delay = policy.RedeliveryDelay(4); |
| Assert.IsTrue(delay >= 36 && delay <= 44, "not delay >= 36 && delay <= 44 is " + policy.RedeliveryDelay(4)); |
| delay = policy.RedeliveryDelay(5); |
| Assert.IsTrue(delay >= 72 && delay <= 88, "not delay >= 72 && delay <= 88 is " + policy.RedeliveryDelay(5)); |
| delay = policy.RedeliveryDelay(6); |
| Assert.IsTrue(delay >= 144 && delay <= 176, "not delay >= 144 && delay <= 176 is " + policy.RedeliveryDelay(6)); |
| delay = policy.RedeliveryDelay(7); |
| Assert.IsTrue(delay >= 288 && delay <= 352, "not delay >= 288 && delay <= 352 is " + policy.RedeliveryDelay(7)); |
| delay = policy.RedeliveryDelay(8); |
| Assert.IsTrue(delay >= 576 && delay <= 704, "not delay >= 576 && delay <= 704 is " + policy.RedeliveryDelay(8)); |
| delay = policy.RedeliveryDelay(9); |
| Assert.IsTrue(delay >= 1152 && delay <= 1408, "not delay >= 1152 && delay <= 1408 is " + policy.RedeliveryDelay(9)); |
| delay = policy.RedeliveryDelay(10); |
| Assert.IsTrue(delay >= 2304 && delay <= 2816, "not delay >= 2304 && delay <= 2816 is " + policy.RedeliveryDelay(10)); |
| } |
| } |
| } |