Do not delete unmanaged jobs when --views-only option specified

Change-Id: I54e4d62db56824bfa020bbc1a711b95a5b15fcc5

doc/source/changelog.rst

@@ -7,6 +7,7 @@ Release 6.2.0
 Bugs fixed
 ~~~~~~~~~~
 
+* Do not delete obsolete jobs when `--views-only` option specified.
 * Add readthedocs configuration file. RTD now requires it. Fixes documentation build on RTD.
 
 Release 6.1.0

jenkins_jobs/cli/subcommand/update.py

@@ -144,7 +144,8 @@ class UpdateSubCommand(base.JobsSubCommand):
             )
             logger.info("Number of views updated: %d", num_updated_views)
 
-        keep_jobs = [job.name for job in xml_jobs]
         if options.delete_old:
-            n = builder.delete_old_managed(keep=keep_jobs)
-            logger.info("Number of jobs deleted: %d", n)
+            if options.update in {"jobs", "all"}:
+                keep_jobs = [job.name for job in xml_jobs]
+                n = builder.delete_old_managed(keep=keep_jobs)
+                logger.info("Number of jobs deleted: %d", n)

tests/cmd/subcommands/test_update.py

@@ -138,6 +138,58 @@ def test_update_jobs_and_delete_old(
     assert jenkins_delete_job.call_count == len(calls)
 
 
+def test_update_jobs_and_delete_old_views_only(
+    mocker, fixtures_dir, default_config_file, execute_jenkins_jobs
+):
+    """Test update behaviour with --delete-old option
+    with --views-only option specified.
+    No jobs should be deleted.
+    """
+    mocker.patch("jenkins_jobs.builder.jenkins.Jenkins.job_exists")
+    jenkins_get_all_jobs = mocker.patch(
+        "jenkins_jobs.builder.jenkins.Jenkins.get_all_jobs"
+    )
+    jenkins_reconfig_job = mocker.patch(
+        "jenkins_jobs.builder.jenkins.Jenkins.reconfig_job"
+    )
+    jenkins_delete_job = mocker.patch("jenkins_jobs.builder.jenkins.Jenkins.delete_job")
+
+    mocker.patch("jenkins_jobs.builder.jenkins.Jenkins.view_exists")
+    mocker.patch("jenkins_jobs.builder.jenkins.Jenkins.get_views")
+    jenkins_reconfig_view = mocker.patch(
+        "jenkins_jobs.builder.jenkins.Jenkins.reconfig_view"
+    )
+
+    yaml_jobs = ["job-1", "job-2", "job-3"]
+    extra_managed_jobs = ["old-job-1", "old-job-2"]
+    unmanaged_jobs = ["unmanaged"]
+
+    jenkins_get_all_jobs.return_value = [
+        {"fullname": name} for name in yaml_jobs + extra_managed_jobs + unmanaged_jobs
+    ]
+    mocker.patch(
+        "jenkins_jobs.builder.JenkinsManager.is_managed",
+        side_effect=(lambda name: name not in unmanaged_jobs),
+    )
+
+    path = fixtures_dir / "update-both.yaml"
+    args = [
+        "--conf",
+        default_config_file,
+        "update",
+        "--delete-old",
+        "--views-only",
+        str(path),
+    ]
+
+    execute_jenkins_jobs(args)
+
+    assert jenkins_reconfig_job.call_count == 0
+    assert jenkins_delete_job.call_count == 0
+
+    assert jenkins_reconfig_view.call_count == 3
+
+
 def test_update_views(mocker, fixtures_dir, default_config_file, execute_jenkins_jobs):
     """
     Test update_job is called for project with views