diff --git a/jenkins_jobs/utils.py b/jenkins_jobs/utils.py
index 7b4a08861..4e28ad25d 100644
--- a/jenkins_jobs/utils.py
+++ b/jenkins_jobs/utils.py
@@ -66,4 +66,4 @@ def recurse_path(root, excludes=None):
 
 def confirm(question):
     answer = input('%s (Y/N): ' % question).upper().strip()
-    return not answer == 'Y'
+    return answer == 'Y'
diff --git a/tests/cmd/subcommands/test_delete_all.py b/tests/cmd/subcommands/test_delete_all.py
new file mode 100644
index 000000000..15fc23dda
--- /dev/null
+++ b/tests/cmd/subcommands/test_delete_all.py
@@ -0,0 +1,53 @@
+#  - Copyright 2016 Hewlett-Packard Development Company, L.P.
+#
+# Licensed 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.
+
+# The goal of these tests is to check that given a particular set of flags to
+# Jenkins Job Builder's command line tools it will result in a particular set
+# of actions by the JJB library, usually through interaction with the
+# python-jenkins library.
+
+import six
+
+from tests.base import mock
+from tests.cmd.test_cmd import CmdTestsBase
+
+
+@mock.patch('jenkins_jobs.builder.JenkinsManager.get_plugins_info',
+            mock.MagicMock)
+class DeleteAllTests(CmdTestsBase):
+
+    input_module = "jenkins_jobs.utils" if six.PY2 else "builtins"
+
+    @mock.patch('jenkins_jobs.cli.subcommand.update.'
+                'JenkinsManager.delete_all_jobs')
+    def test_delete_all_accept(self, delete_job_mock):
+        """
+        Test handling the deletion of a single Jenkins job.
+        """
+
+        args = ['--conf', self.default_config_file, 'delete-all']
+        with mock.patch('%s.input' % self.input_module, return_value="y"):
+            self.execute_jenkins_jobs_with_args(args)
+
+    @mock.patch('jenkins_jobs.cli.subcommand.update.'
+                'JenkinsManager.delete_all_jobs')
+    def test_delete_all_abort(self, delete_job_mock):
+        """
+        Test handling the deletion of a single Jenkins job.
+        """
+
+        args = ['--conf', self.default_config_file, 'delete-all']
+        with mock.patch('%s.input' % self.input_module, return_value="n"):
+            self.assertRaises(SystemExit,
+                              self.execute_jenkins_jobs_with_args, args)