Added "Downstream build of" build selector

jjb copyartifact missing "Downstream build of" build selector
the build selector introduced in CopyArtifact plugin v1.32

Change-Id: Ia0ae5036610c44b88ad75efd9e0a314d0a26eff7
story: 2000437

jenkins_jobs/modules/builders.py

@@ -115,6 +115,7 @@ def copyartifact(parser, xml_parent, data):
             * **permalink**
             * **workspace-latest**
             * **build-param**
+            * **downstream-build**
 
     :arg str build-number: specifies the build number to get when
         when specific-build is specified as which-build
@@ -135,6 +136,11 @@ def copyartifact(parser, xml_parent, data):
         last successful build when upstream-build is specified as which-build
     :arg string param: specifies to use a build parameter to get the build when
         build-param is specified as which-build
+    :arg str upstream-project-name: specifies the project name of downstream
+        when downstream-build is specified as which-build
+    :arg str upstream-build-number: specifies the number of the build to
+        find its downstream build when downstream-build is specified as
+        which-build
     :arg string parameter-filters: Filter matching jobs based on these
         parameters (optional)
 

jenkins_jobs/modules/helpers.py

@@ -172,7 +172,8 @@ def copyartifact_build_selector(xml_parent, data, select_tag='selector'):
                   'upstream-build': 'TriggeredBuildSelector',
                   'permalink': 'PermalinkBuildSelector',
                   'workspace-latest': 'WorkspaceSelector',
-                  'build-param': 'ParameterizedBuildSelector'}
+                  'build-param': 'ParameterizedBuildSelector',
+                  'downstream-build': 'DownstreamBuildSelector'}
     if select not in selectdict:
         raise InvalidAttributeError('which-build',
                                     select,
@@ -203,6 +204,11 @@ def copyartifact_build_selector(xml_parent, data, select_tag='selector'):
         XML.SubElement(selector, 'id').text = permalinkdict[permalink]
     if select == 'build-param':
         XML.SubElement(selector, 'parameterName').text = data['param']
+    if select == 'downstream-build':
+        XML.SubElement(selector, 'upstreamProjectName').text = (
+            data['upstream-project-name'])
+        XML.SubElement(selector, 'upstreamBuildNumber').text = (
+            data['upstream-build-number'])
 
 
 def findbugs_settings(xml_parent, data):

tests/builders/fixtures/copy-artifact003.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<project>
+  <builders>
+    <hudson.plugins.copyartifact.CopyArtifact>
+      <project>foo</project>
+      <filter>*.tar.gz</filter>
+      <target>/home/foo</target>
+      <flatten>true</flatten>
+      <optional>true</optional>
+      <doNotFingerprintArtifacts>true</doNotFingerprintArtifacts>
+      <parameters>PUBLISH=true</parameters>
+      <selector class="hudson.plugins.copyartifact.DownstreamBuildSelector">
+        <upstreamProjectName>bar</upstreamProjectName>
+        <upstreamBuildNumber>123</upstreamBuildNumber>
+      </selector>
+    </hudson.plugins.copyartifact.CopyArtifact>
+  </builders>
+</project>

tests/builders/fixtures/copy-artifact003.yaml

@@ -0,0 +1,12 @@
+builders:
+  - copyartifact:
+      project: foo
+      filter: "*.tar.gz"
+      target: /home/foo
+      which-build: downstream-build
+      upstream-project-name: bar
+      upstream-build-number: "123"
+      optional: true
+      flatten: true
+      do-not-fingerprint: true
+      parameter-filters: PUBLISH=true