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[JENKINS-28446] - Direct unit test for the issue

(cherry picked from commit 43b0662)
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oleg-nenashev authored and olivergondza committed May 18, 2015
1 parent de5d83d commit 56fc3860954ea4e6d408dc617c1557f9cb9ec870
Showing with 96 additions and 0 deletions.
  1. +96 −0 test/src/test/java/jenkins/model/UnlabeledLoadStatisticsTest.java
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/*
* The MIT License
*
* Copyright 2015 CloudBees Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package jenkins.model;

import hudson.model.FreeStyleProject;
import hudson.model.LoadStatistics;
import hudson.model.Node;
import hudson.model.ParametersAction;
import hudson.model.Queue;
import hudson.model.StringParameterValue;
import hudson.model.labels.LabelAtom;
import hudson.slaves.DumbSlave;
import org.junit.After;
import org.junit.Rule;
import org.junit.Test;
import org.jvnet.hudson.test.Issue;
import org.jvnet.hudson.test.JenkinsRule;
import static org.junit.Assert.*;

/**
* Tests for {@link UnlabeledLoadStatistics} class.
* @author Oleg Nenashev
*/
public class UnlabeledLoadStatisticsTest {

@Rule
public JenkinsRule j = new JenkinsRule();

private final LoadStatistics unlabeledLoad = new UnlabeledLoadStatistics();

@After
public void clearQueue() {
j.getInstance().getQueue().clear();
}

@Test
@Issue("JENKINS-28446")
public void computeQueueLength() throws Exception {
final Queue queue = j.jenkins.getQueue();
assertEquals("Queue must be empty when the test starts", 0, queue.getBuildableItems().size());
assertEquals("Statistics must return 0 when the test starts", 0, unlabeledLoad.computeQueueLength());

// Disable builds by default, create a slave to prevent assigning of "master" labels
j.jenkins.setNumExecutors(0);
DumbSlave slave = j.createOnlineSlave(new LabelAtom("testLabel"));
slave.setMode(Node.Mode.EXCLUSIVE);

// Init project
FreeStyleProject unlabeledProject = j.createFreeStyleProject("UnlabeledProject");
unlabeledProject.setConcurrentBuild(true);
FreeStyleProject labeledProject = j.createFreeStyleProject("LabeledProject");
labeledProject.setAssignedLabel(new LabelAtom("foo"));

// Put unlabeled build into the queue
unlabeledProject.scheduleBuild2(0, new ParametersAction(new StringParameterValue("FOO", "BAR1")));
queue.maintain();
assertEquals("Unlabeled build must be taken into account", 1, unlabeledLoad.computeQueueLength());
unlabeledProject.scheduleBuild2(0, new ParametersAction(new StringParameterValue("FOO", "BAR2")));
queue.maintain();
assertEquals("Second Unlabeled build must be taken into account", 2, unlabeledLoad.computeQueueLength());

// Put labeled build into the queue
labeledProject.scheduleBuild2(0);
queue.maintain();
assertEquals("Labeled builds must be ignored", 2, unlabeledLoad.computeQueueLength());

// Allow executions of unlabeled builds on master, all unlabeled builds should pass
j.jenkins.setNumExecutors(1);
j.buildAndAssertSuccess(unlabeledProject);
queue.maintain();
assertEquals("Queue must contain the labeled project build", 1, queue.getBuildableItems().size());
assertEquals("Statistics must return 0 after all builds", 0, unlabeledLoad.computeQueueLength());
}

}

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