add support for allowEmptyResults option in JUnit Plugin

docs/Home.md

@@ -48,6 +48,7 @@ Browse the Jenkins issue tracker to see any [open issues](https://issues.jenkins
    see [Migration](Migration#migrating-to-143)
  * Deprecated some methods in `JobManagement` interface, see [Migration](Migration#migrating-to-143)
  * Removed anything that has been deprecated in 1.36, see [Migration](Migration#migrating-to-136)
+ * Add support for `allowEmptyResults` option in [JUnit Plugin](https://wiki.jenkins-ci.org/display/JENKINS/JUnit+Plugin)
 * 1.42 (January 05 2016)
  * Added support for the [Dashboard View Plugin](https://wiki.jenkins-ci.org/display/JENKINS/Dashboard+View)
    ([JENKINS-29146](https://issues.jenkins-ci.org/browse/JENKINS-29146))

job-dsl-core/src/main/docs/examples/javaposse/jobdsl/dsl/helpers/publisher/PublisherContext/archiveJunit.groovy

@@ -7,6 +7,7 @@ job('example-1') {
 job('example-2') {
     publishers {
         archiveJunit('**/minitest-reports/*.xml') {
+            allowEmptyResults()
             retainLongStdout()
             testDataPublishers {
                 publishTestStabilityData()

job-dsl-core/src/main/groovy/javaposse/jobdsl/dsl/helpers/publisher/ArchiveJUnitContext.groovy

@@ -1,18 +1,31 @@
 package javaposse.jobdsl.dsl.helpers.publisher
 
-import javaposse.jobdsl.dsl.Context
+import javaposse.jobdsl.dsl.AbstractContext
 import javaposse.jobdsl.dsl.ContextHelper
 import javaposse.jobdsl.dsl.DslContext
 import javaposse.jobdsl.dsl.JobManagement
+import javaposse.jobdsl.dsl.RequiresPlugin
 
-class ArchiveJUnitContext implements Context {
+class ArchiveJUnitContext extends AbstractContext {
     final TestDataPublishersContext testDataPublishersContext
+    boolean allowEmptyResults = false
     boolean retainLongStdout = false
 
     ArchiveJUnitContext(JobManagement jobManagement) {
+        super(jobManagement)
         testDataPublishersContext = new TestDataPublishersContext(jobManagement)
     }
 
+    /**
+     * If set, does not fail the build on empty test results.
+     *
+     * @since 1.43
+     */
+    @RequiresPlugin(id = 'junit', minimumVersion = '1.10')
+    void allowEmptyResults(boolean allow = true) {
+        allowEmptyResults = allow
+    }
+
     /**
      * If set, retains any standard output or error from a test suite in the test results after the build completes.
      */

job-dsl-core/src/main/groovy/javaposse/jobdsl/dsl/helpers/publisher/PublisherContext.groovy

@@ -203,6 +203,9 @@ class PublisherContext extends AbstractExtensibleContext {
             testResults(glob)
             keepLongStdio(junitContext.retainLongStdout)
             testDataPublishers(junitContext.testDataPublishersContext.testDataPublishers)
+            if (jobManagement.isMinimumPluginVersionInstalled('junit', '1.10')) {
+                allowEmptyResults(junitContext.allowEmptyResults)
+            }
         }
     }
 

job-dsl-core/src/test/groovy/javaposse/jobdsl/dsl/helpers/publisher/PublisherContextSpec.groovy

@@ -420,8 +420,12 @@ class PublisherContextSpec extends Specification {
     }
 
     def 'call junit archive with all args'() {
+        setup:
+        jobManagement.isMinimumPluginVersionInstalled('junit', '1.10') >> true
+
         when:
         context.archiveJunit('include/*') {
+            allowEmptyResults()
             retainLongStdout()
             testDataPublishers {
                 allowClaimingOfFailedTests()
@@ -434,8 +438,9 @@ class PublisherContextSpec extends Specification {
         then:
         with(context.publisherNodes[0]) {
             name() == 'hudson.tasks.junit.JUnitResultArchiver'
-            children().size() == 3
+            children().size() == 4
             testResults[0].value() == 'include/*'
+            allowEmptyResults[0].value() == true
             keepLongStdio[0].value() == true
             testDataPublishers[0].children().size() == 4
             testDataPublishers[0].'hudson.plugins.claim.ClaimTestDataPublisher'[0] != null
@@ -451,19 +456,37 @@ class PublisherContextSpec extends Specification {
     }
 
     def 'call junit archive with minimal args'() {
+        setup:
+        jobManagement.isMinimumPluginVersionInstalled('junit', '1.10') >> true
+
         when:
         context.archiveJunit('include/*')
 
         then:
         with(context.publisherNodes[0]) {
             name() == 'hudson.tasks.junit.JUnitResultArchiver'
-            children().size() == 3
+            children().size() == 4
             testResults[0].value() == 'include/*'
             keepLongStdio[0].value() == false
+            allowEmptyResults[0].value() == false
             testDataPublishers[0].children().size() == 0
         }
     }
 
+    def 'call junit archive with minimal args, plugin version older than 1.10'() {
+        when:
+            context.archiveJunit('include/*')
+
+        then:
+            with(context.publisherNodes[0]) {
+                name() == 'hudson.tasks.junit.JUnitResultArchiver'
+                children().size() == 3
+                testResults[0].value() == 'include/*'
+                keepLongStdio[0].value() == false
+                testDataPublishers[0].children().size() == 0
+            }
+    }
+
     def 'call archiveXUnit with no args'() {
         when:
         context.archiveXUnit {