diff --git a/releasenotes/notes/25/subunt-describe-call-verbose-arg-fix.yaml b/releasenotes/notes/25/subunt-describe-call-verbose-arg-fix.yaml
new file mode 100644
index 0000000..d2a644e
--- /dev/null
+++ b/releasenotes/notes/25/subunt-describe-call-verbose-arg-fix.yaml
@@ -0,0 +1,10 @@
+---
+fixes:
+  - |
+    Fixed bug #1890060. tempest subunit_describe_calls --verbose not working with Cliff CLI.
+    The subunit_describe_calls --verbose argument was a boolean and worked in the non Cliff CLI
+    which is now deprecated, but does not work with cliff since --verbase is a standard cliff
+    argument which is an int.  Since the tool is in lib directory we cannot change the interface,
+    so we add a new argument -a --all-stdout that will allow cliff CLI to support the
+    feature in subunnit_describe_calls to print request and response headers and bodies
+    to stdout.
\ No newline at end of file
diff --git a/tempest/cmd/subunit_describe_calls.py b/tempest/cmd/subunit_describe_calls.py
index e029538..172fbaa 100644
--- a/tempest/cmd/subunit_describe_calls.py
+++ b/tempest/cmd/subunit_describe_calls.py
@@ -30,6 +30,8 @@
 * ``--ports, -p``: (Optional) The path to a JSON file describing the ports
   being used by different services
 * ``--verbose, -v``: (Optional) Print Request and Response Headers and Body
+  data to stdout in the non cliff deprecated CLI
+* ``--all-stdout, -a``: (Optional) Print Request and Response Headers and Body
   data to stdout
 
 
@@ -278,7 +280,7 @@
     return url_parser
 
 
-def output(url_parser, output_file, verbose):
+def output(url_parser, output_file, all_stdout):
     if output_file is not None:
         with open(output_file, "w") as outfile:
             outfile.write(json.dumps(url_parser.test_logs))
@@ -294,7 +296,7 @@
             sys.stdout.write('\t- {0} {1} request for {2} to {3}\n'.format(
                 item.get('status_code'), item.get('verb'),
                 item.get('service'), item.get('url')))
-            if verbose:
+            if all_stdout:
                 sys.stdout.write('\t\t- request headers: {0}\n'.format(
                     item.get('request_headers')))
                 sys.stdout.write('\t\t- request body: {0}\n'.format(
@@ -313,7 +315,7 @@
               "please use: 'tempest subunit-describe-calls'")
         cl_args = ArgumentParser().parse_args()
     parser = parse(cl_args.subunit, cl_args.non_subunit_name, cl_args.ports)
-    output(parser, cl_args.output_file, cl_args.verbose)
+    output(parser, cl_args.output_file, cl_args.all_stdout)
 
 
 def _parser_add_args(parser):
@@ -339,9 +341,23 @@
         help="A JSON file describing the ports for each service."
     )
 
-    parser.add_argument(
-        "-v", "--verbose", action='store_true', default=False,
-        help="Add Request and Response header and body data to stdout."
+    group = parser.add_mutually_exclusive_group()
+    # the -v and --verbose command are for the old subunit-describe-calls
+    # main() CLI interface.  It does not work with the new
+    # tempest subunit-describe-callss CLI. So when the main CLI approach is
+    # deleted this argument is not needed.
+    group.add_argument(
+        "-v", "--verbose", action='store_true', dest='all_stdout',
+        help='Add Request and Response header and body data to stdout print.'
+             ' NOTE: This argument deprecated and does not work with'
+             ' tempest subunit-describe-calls CLI.'
+             ' Use new option: "-a", "--all-stdout"'
+    )
+    group.add_argument(
+        "-a", "--all-stdout", action='store_true',
+        help="Add Request and Response header and body data to stdout print."
+             " Note: this argument work with the subunit-describe-calls and"
+             " tempest subunit-describe-calls CLI commands."
     )
 
 
diff --git a/tempest/tests/cmd/sample_streams/calls.subunit b/tempest/tests/cmd/subunit_describe_calls_data/calls.subunit
similarity index 100%
rename from tempest/tests/cmd/sample_streams/calls.subunit
rename to tempest/tests/cmd/subunit_describe_calls_data/calls.subunit
Binary files differ
diff --git a/tempest/tests/cmd/subunit_describe_calls_data/calls_subunit_expected.json b/tempest/tests/cmd/subunit_describe_calls_data/calls_subunit_expected.json
new file mode 100644
index 0000000..53976ee
--- /dev/null
+++ b/tempest/tests/cmd/subunit_describe_calls_data/calls_subunit_expected.json
@@ -0,0 +1,87 @@
+{"bar":[
+      {
+         "name":"AgentsAdminTestJSON:setUp",
+         "request_body":"{\"agent\": {\"url\": \"xxx://xxxx/xxx/xxx\", \"hypervisor\": \"common\", \"md5hash\": \"add6bb58e139be103324d04d82d8f545\", \"version\": \"7.0\", \"architecture\": \"tempest-x86_64-424013832\", \"os\": \"linux\"}}",
+         "request_headers":"{'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
+         "response_body":"{\"agent\": {\"url\": \"xxx://xxxx/xxx/xxx\", \"hypervisor\": \"common\", \"md5hash\": \"add6bb58e139be103324d04d82d8f545\", \"version\": \"7.0\", \"architecture\": \"tempest-x86_64-424013832\", \"os\": \"linux\", \"agent_id\": 1}}",
+         "response_headers":"{'status': '200', 'content-length': '203', 'x-compute-request-id': 'req-25ddaae2-0ef1-40d1-8228-59bd64a7e75b', 'vary': 'X-OpenStack-Nova-API-Version', 'connection': 'close', 'x-openstack-nova-api-version': '2.1', 'date': 'Tue, 02 Feb 2016 03:27:00 GMT', 'content-type': 'application/json'}",
+         "service":"Nova",
+         "status_code":"200",
+         "url":"v2.1/<id>/os-agents",
+         "verb":"POST"
+},
+      {
+         "name":"AgentsAdminTestJSON:test_create_agent",
+         "request_body":"{\"agent\": {\"url\": \"xxx://xxxx/xxx/xxx\", \"hypervisor\": \"kvm\", \"md5hash\": \"add6bb58e139be103324d04d82d8f545\", \"version\": \"7.0\", \"architecture\": \"tempest-x86-252246646\", \"os\": \"win\"}}",
+         "request_headers":"{'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
+         "response_body":"{\"agent\": {\"url\": \"xxx://xxxx/xxx/xxx\", \"hypervisor\": \"kvm\", \"md5hash\": \"add6bb58e139be103324d04d82d8f545\", \"version\": \"7.0\", \"architecture\": \"tempest-x86-252246646\", \"os\": \"win\", \"agent_id\": 2}}",
+         "response_headers":"{'status': '200', 'content-length': '195', 'x-compute-request-id': 'req-b4136f06-c015-4e7e-995f-c43831e3ecce', 'vary': 'X-OpenStack-Nova-API-Version', 'connection': 'close', 'x-openstack-nova-api-version': '2.1', 'date': 'Tue, 02 Feb 2016 03:27:00 GMT', 'content-type': 'application/json'}",
+         "service":"Nova",
+         "status_code":"200",
+         "url":"v2.1/<id>/os-agents",
+         "verb":"POST"
+},
+      {
+         "name":"AgentsAdminTestJSON:tearDown",
+         "request_body":"None",
+         "request_headers":"{'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
+         "response_body":"",
+         "response_headers":"{'status': '200', 'content-length': '0', 'x-compute-request-id': 'req-ee905fd6-a5b5-4da4-8c37-5363cb25bd9d', 'vary': 'X-OpenStack-Nova-API-Version', 'connection': 'close', 'x-openstack-nova-api-version': '2.1', 'date': 'Tue, 02 Feb 2016 03:27:00 GMT', 'content-type': 'application/json'}",
+         "service":"Nova",
+         "status_code":"200",
+         "url":"v2.1/<id>/os-agents/1",
+         "verb":"DELETE"
+},
+      {
+         "name":"AgentsAdminTestJSON:_run_cleanups",
+         "request_body":"None",
+         "request_headers":"{'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
+         "response_headers":"{'status': '200', 'content-length': '0', 'x-compute-request-id': 'req-e912cac0-63e0-4679-a68a-b6d18ddca074', 'vary': 'X-OpenStack-Nova-API-Version', 'connection': 'close', 'x-openstack-nova-api-version': '2.1', 'date': 'Tue, 02 Feb 2016 03:27:00 GMT', 'content-type': 'application/json'}",
+         "service":"Nova",
+         "status_code":"200",
+         "url":"v2.1/<id>/os-agents/2",
+         "verb":"DELETE"
+}], "foo":[
+      {
+         "name":"AgentsAdminTestJSON:setUp",
+         "request_body":"{\"agent\": {\"url\": \"xxx://xxxx/xxx/xxx\", \"hypervisor\": \"common\", \"md5hash\": \"add6bb58e139be103324d04d82d8f545\", \"version\": \"7.0\", \"architecture\": \"tempest-x86_64-948635295\", \"os\": \"linux\"}}",
+         "request_headers":"{'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
+         "response_body":"{\"agent\": {\"url\": \"xxx://xxxx/xxx/xxx\", \"hypervisor\": \"common\", \"md5hash\": \"add6bb58e139be103324d04d82d8f545\", \"version\": \"7.0\", \"architecture\": \"tempest-x86_64-948635295\", \"os\": \"linux\", \"agent_id\": 3}}",
+         "response_headers":"{'status': '200', 'content-length': '203', 'x-compute-request-id': 'req-ccd2116d-04b1-4ffe-ae32-fb623f68bf1c', 'vary': 'X-OpenStack-Nova-API-Version', 'connection': 'close', 'x-openstack-nova-api-version': '2.1', 'date': 'Tue, 02 Feb 2016 03:27:01 GMT', 'content-type': 'application/json'}",
+         "service":"Nova",
+         "status_code":"200",
+         "url":"v2.1/<id>/os-agents",
+         "verb":"POST"
+},
+      {
+         "name":"AgentsAdminTestJSON:test_delete_agent",
+         "request_body":"None",
+         "request_headers":"{'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
+         "response_body":"",
+         "response_headers":"{'status': '200', 'content-length': '0', 'x-compute-request-id': 'req-6e7fa28f-ae61-4388-9a78-947c58bc0588', 'vary': 'X-OpenStack-Nova-API-Version', 'connection': 'close', 'x-openstack-nova-api-version': '2.1', 'date': 'Tue, 02 Feb 2016 03:27:01 GMT', 'content-type': 'application/json'}",
+         "service":"Nova",
+         "status_code":"200",
+         "url":"v2.1/<id>/os-agents/3",
+         "verb":"DELETE"
+},
+      {
+         "name":"AgentsAdminTestJSON:test_delete_agent",
+         "request_body":"None",
+         "request_headers":"{'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
+         "response_body":"{\"agents\": []}",
+         "response_headers":"{'status': '200', 'content-length': '14', 'content-location': 'http://23.253.76.97:8774/v2.1/cf6b1933fe5b476fbbabb876f6d1b924/os-agents', 'x-compute-request-id': 'req-e41aa9b4-41a6-4138-ae04-220b768eb644', 'vary': 'X-OpenStack-Nova-API-Version', 'connection': 'close', 'x-openstack-nova-api-version': '2.1', 'date': 'Tue, 02 Feb 2016 03:27:01 GMT', 'content-type': 'application/json'}",
+         "service":"Nova",
+         "status_code":"200",
+         "url":"v2.1/<id>/os-agents",
+         "verb":"GET"
+},
+      {
+         "name":"AgentsAdminTestJSON:tearDown",
+         "request_body":"None",
+         "request_headers":"{'Content-Type': 'application/json', 'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
+         "response_headers":"{'status': '404', 'content-length': '82', 'x-compute-request-id': 'req-e297aeea-91cf-4f26-b49c-8f46b1b7a926', 'vary': 'X-OpenStack-Nova-API-Version', 'connection': 'close', 'x-openstack-nova-api-version': '2.1', 'date': 'Tue, 02 Feb 2016 03:27:02 GMT', 'content-type': 'application/json; charset=UTF-8'}",
+         "service":"Nova",
+         "status_code":"404",
+         "url":"v2.1/<id>/os-agents/3",
+         "verb":"DELETE"
+}]}
\ No newline at end of file
diff --git a/tempest/tests/cmd/test_subunit_describe_calls.py b/tempest/tests/cmd/test_subunit_describe_calls.py
index cb34ba6..4fed84a 100644
--- a/tempest/tests/cmd/test_subunit_describe_calls.py
+++ b/tempest/tests/cmd/test_subunit_describe_calls.py
@@ -14,220 +14,422 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+import argparse
+from io import StringIO
 import os
+import shutil
 import subprocess
+import sys
 import tempfile
+from unittest import mock
+from unittest.mock import patch
 
+
+from oslo_serialization import jsonutils as json
 from tempest.cmd import subunit_describe_calls
 from tempest.tests import base
 
 
-class TestSubunitDescribeCalls(base.TestCase):
-    def test_return_code(self):
-        subunit_file = os.path.join(
-            os.path.dirname(os.path.abspath(__file__)),
-            'sample_streams/calls.subunit')
-        p = subprocess.Popen([
-            'subunit-describe-calls', '-s', subunit_file,
-            '-o', tempfile.mkstemp()[1]], stdin=subprocess.PIPE)
-        p.communicate()
-        self.assertEqual(0, p.returncode)
+class TestArgumentParser(base.TestCase):
+    def test_init(self):
+        test_object = subunit_describe_calls.ArgumentParser()
+        self.assertEqual("subunit-describe-calls", test_object.prog)
+        self.assertEqual(subunit_describe_calls.DESCRIPTION,
+                         test_object.description)
 
-    def test_verbose(self):
-        subunit_file = os.path.join(
-            os.path.dirname(os.path.abspath(__file__)),
-            'sample_streams/calls.subunit')
-        p = subprocess.Popen([
-            'subunit-describe-calls', '-s', subunit_file,
-            '-v'], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
-        stdout = p.communicate()
-        self.assertEqual(0, p.returncode)
-        self.assertIn(b'- request headers:', stdout[0])
-        self.assertIn(b'- request body:', stdout[0])
-        self.assertIn(b'- response headers:', stdout[0])
-        self.assertIn(b'- response body:', stdout[0])
 
-    def test_return_code_no_output(self):
-        subunit_file = os.path.join(
+class TestUrlParser(base.TestCase):
+    services_custom_ports = {
+        "18776": "Block Storage",
+        "18774": "Nova",
+        "18773": "Nova-API",
+        "18386": "Sahara",
+        "35358": "Keystone",
+        "19292": "Glance",
+        "19696": "Neutron",
+        "16000": "Swift",
+        "18004": "Heat",
+        "18777": "Ceilometer",
+        "10080": "Horizon",
+        "18080": "Swift",
+        "1873": "rsync",
+        "13260": "iSCSI",
+        "13306": "MySQL",
+        "15672": "AMQP",
+        "18082": "murano"}
+
+    def setUp(self):
+        super(TestUrlParser, self).setUp()
+        self.test_object = subunit_describe_calls.UrlParser()
+
+    def test_get_service_default_ports(self):
+        base_url = "http://site.something.com:"
+        for port in self.test_object.services:
+            url = base_url + port + "/v2/action"
+            service = self.test_object.services[port]
+            self.assertEqual(service, self.test_object.get_service(url))
+
+    def test_get_service_custom_ports(self):
+        self.test_object = subunit_describe_calls.\
+            UrlParser(services=self.services_custom_ports)
+        base_url = "http://site.something.com:"
+        for port in self.services_custom_ports:
+            url = base_url + port + "/v2/action"
+            service = self.services_custom_ports[port]
+            self.assertEqual(service, self.test_object.get_service(url))
+
+    def test_get_service_port_not_found(self):
+        url = "https://site.somewhere.com:1234/v2/action"
+        self.assertEqual("Unknown", self.test_object.get_service(url))
+        self.assertEqual("Unknown", self.test_object.get_service(""))
+
+    def test_parse_details_none(self):
+        self.assertIsNone(self.test_object.parse_details(None))
+
+    def test_url_path_ports(self):
+        uuid_sample1 = "3715e0bb-b1b3-4291-aa13-2c86c3b9ec93"
+        uuid_sample2 = "2715e0bb-b1b4-4291-aa13-2c86c3b9ec88"
+
+        # test http url
+        host = "http://host.company.com"
+        url = host + ":8776/v3/" + uuid_sample1 + "/types/" + \
+            uuid_sample2 + "/extra_specs"
+        self.assertEqual("v3/<uuid>/types/<uuid>/extra_specs",
+                         self.test_object.url_path(url))
+        url = host + ":8774/v2.1/servers/" + uuid_sample1
+        self.assertEqual("v2.1/servers/<uuid>",
+                         self.test_object.url_path(url))
+        # test https url
+        host = "https://host.company.com"
+        url = host + ":8776/v3/" + uuid_sample1 + "/types/" + \
+            uuid_sample2 + "/extra_specs"
+        self.assertEqual("v3/<uuid>/types/<uuid>/extra_specs",
+                         self.test_object.url_path(url))
+        url = host + ":8774/v2.1/servers/" + uuid_sample1
+        self.assertEqual("v2.1/servers/<uuid>",
+                         self.test_object.url_path(url))
+
+    def test_url_path_no_match(self):
+        host_port = 'https://host.company.com:1234/'
+        url = 'v2/action/no/special/data'
+        self.assertEqual(url, self.test_object.url_path(host_port + url))
+        url = 'data'
+        self.assertEqual(url, self.test_object.url_path(url))
+
+
+class TestCliBase(base.TestCase):
+    """Base class for share code on all CLI sub-process testing"""
+
+    def setUp(self):
+        super(TestCliBase, self).setUp()
+        self._subunit_file = os.path.join(
             os.path.dirname(os.path.abspath(__file__)),
-            'sample_streams/calls.subunit')
+            'subunit_describe_calls_data', 'calls.subunit')
+
+    def _bytes_to_string(self, data):
+        if isinstance(data, (bytes, bytearray)):
+            data = str(data, 'utf-8')
+        return data
+
+    def _assert_cli_message(self, data):
+        data = self._bytes_to_string(data)
+        self.assertIn("Running subunit_describe_calls ...", data)
+
+    def _assert_deprecated_warning(self, stdout):
+        self.assertIn(
+            b"Use of: 'subunit-describe-calls' is deprecated, "
+            b"please use: 'tempest subunit-describe-calls'", stdout)
+
+    def _assert_expect_json(self, json_data):
+        expected_file_name = os.path.join(
+            os.path.dirname(os.path.abspath(__file__)),
+            'subunit_describe_calls_data', 'calls_subunit_expected.json')
+        with open(expected_file_name, "rb") as read_file:
+            expected_result = json.load(read_file)
+        self.assertDictEqual(expected_result, json_data)
+
+    def _assert_headers_and_bodies(self, data):
+        data = self._bytes_to_string(data)
+        self.assertIn('- request headers:', data)
+        self.assertIn('- request body:', data)
+        self.assertIn('- response headers:', data)
+        self.assertIn('- response body:', data)
+
+    def _assert_methods_details(self, data):
+        data = self._bytes_to_string(data)
+        self.assertIn('foo', data)
+        self.assertIn('- 200 POST request for Nova to v2.1/<id>/',
+                      data)
+        self.assertIn('- 200 DELETE request for Nova to v2.1/<id>/',
+                      data)
+        self.assertIn('- 200 GET request for Nova to v2.1/<id>/',
+                      data)
+        self.assertIn('- 404 DELETE request for Nova to v2.1/<id>/',
+                      data)
+
+    def _assert_mutual_exclusive_message(self, stderr):
+        self.assertIn(b"usage: subunit-describe-calls "
+                      b"[-h] [-s [<subunit file>]]", stderr)
+        self.assertIn(b"[-n <non subunit name>] [-o <output file>]",
+                      stderr)
+        self.assertIn(b"[-p <ports file>] [-v | -a]", stderr)
+        self.assertIn(
+            b"subunit-describe-calls: error: argument -v/--verbose: "
+            b"not allowed with argument -a/--all-stdout", stderr)
+
+    def _assert_no_headers_and_bodies(self, data):
+        data = self._bytes_to_string(data)
+        self.assertNotIn('- request headers:', data)
+        self.assertNotIn('- request body:', data)
+        self.assertNotIn('- response headers:', data)
+        self.assertNotIn('- response body:', data)
+
+
+class TestMainCli(TestCliBase):
+    """Test cases that use subunit_describe_calls module main interface
+
+    via subprocess calls to make sure the total user experience
+    is well defined and tested. This interface is deprecated.
+    Note: these test do not affect code coverage percentages.
+    """
+
+    def test_main_output_file(self):
+        temp_file = tempfile.mkstemp()[1]
         p = subprocess.Popen([
-            'subunit-describe-calls', '-s', subunit_file],
-            stdin=subprocess.PIPE, stdout=subprocess.PIPE)
-        stdout = p.communicate()
+            'subunit-describe-calls', '-s', self._subunit_file,
+            '-o', temp_file], stdin=subprocess.PIPE,
+            stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        stdout, stderr = p.communicate()
         self.assertEqual(0, p.returncode)
-        self.assertIn(b'foo', stdout[0])
-        self.assertIn(b'- 200 POST request for Nova to v2.1/<id>/',
-                      stdout[0])
-        self.assertIn(b'- 200 DELETE request for Nova to v2.1/<id>/',
-                      stdout[0])
-        self.assertIn(b'- 200 GET request for Nova to v2.1/<id>/',
-                      stdout[0])
-        self.assertIn(b'- 404 DELETE request for Nova to v2.1/<id>/',
-                      stdout[0])
-        self.assertNotIn(b'- request headers:', stdout[0])
-        self.assertNotIn(b'- request body:', stdout[0])
-        self.assertNotIn(b'- response headers:', stdout[0])
-        self.assertNotIn(b'- response body:', stdout[0])
+        self._assert_cli_message(stdout)
+        self._assert_deprecated_warning(stdout)
+        with open(temp_file, 'r') as file:
+            data = json.loads(file.read())
+        self._assert_expect_json(data)
+
+    def test_main_verbose(self):
+        p = subprocess.Popen([
+            'subunit-describe-calls', '-s', self._subunit_file,
+            '-v'], stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE)
+        stdout, stderr = p.communicate()
+        self.assertEqual(0, p.returncode)
+        self._assert_cli_message(stdout)
+        self._assert_deprecated_warning(stdout)
+        self._assert_methods_details(stdout)
+        self._assert_headers_and_bodies(stdout)
+
+    def test_main_all_stdout(self):
+        p = subprocess.Popen([
+            'subunit-describe-calls', '-s', self._subunit_file,
+            '--all-stdout'], stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE)
+        stdout, stderr = p.communicate()
+        self.assertEqual(0, p.returncode)
+        self._assert_cli_message(stdout)
+        self._assert_deprecated_warning(stdout)
+        self._assert_methods_details(stdout)
+        self._assert_headers_and_bodies(stdout)
+
+    def test_main(self):
+        p = subprocess.Popen([
+            'subunit-describe-calls', '-s', self._subunit_file],
+            stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE)
+        stdout, stderr = p.communicate()
+        self.assertEqual(0, p.returncode)
+        self._assert_cli_message(stdout)
+        self._assert_deprecated_warning(stdout)
+        self._assert_methods_details(stdout)
+        self._assert_no_headers_and_bodies(stdout)
+
+    def test_main_verbose_and_all_stdout(self):
+        p = subprocess.Popen([
+            'subunit-describe-calls', '-s', self._subunit_file,
+            '-a', '-v'],
+            stdin=subprocess.PIPE, stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE)
+        stdout, stderr = p.communicate()
+        self.assertEqual(2, p.returncode)
+        self._assert_cli_message(stdout)
+        self._assert_deprecated_warning(stdout)
+        self._assert_mutual_exclusive_message(stderr)
+
+
+class TestCli(TestCliBase):
+    """Test cases that use tempest subunit_describe_calls cliff interface
+
+    via subprocess calls to make sure the total user experience
+    is well defined and tested.
+    Note: these test do not affect code coverage percentages.
+    """
+
+    def _assert_cliff_verbose(self, stdout):
+        self.assertIn(b'tempest initialize_app', stdout)
+        self.assertIn(b'prepare_to_run_command TempestSubunitDescribeCalls',
+                      stdout)
+        self.assertIn(b'tempest clean_up TempestSubunitDescribeCalls',
+                      stdout)
+
+    def test_run_all_stdout(self):
+        p = subprocess.Popen(['tempest', 'subunit-describe-calls',
+                              '-s', self._subunit_file, '-a'],
+                             stdin=subprocess.PIPE,
+                             stdout=subprocess.PIPE,
+                             stderr=subprocess.PIPE)
+        stdout, stderr = p.communicate()
+        self.assertEqual(0, p.returncode)
+        self._assert_cli_message(stdout)
+        self._assert_methods_details(stdout)
+        self._assert_headers_and_bodies(stdout)
+
+    def test_run_verbose(self):
+        p = subprocess.Popen(['tempest', 'subunit-describe-calls',
+                              '-s', self._subunit_file, '-v'],
+                             stdin=subprocess.PIPE,
+                             stdout=subprocess.PIPE,
+                             stderr=subprocess.PIPE)
+        stdout, stderr = p.communicate()
+        self.assertEqual(0, p.returncode)
+        self._assert_cli_message(stdout)
+        self._assert_methods_details(stdout)
+        self._assert_no_headers_and_bodies(stdout)
+        self._assert_cliff_verbose(stderr)
+
+    def test_run_min(self):
+        p = subprocess.Popen(['tempest', 'subunit-describe-calls',
+                              '-s', self._subunit_file],
+                             stdin=subprocess.PIPE,
+                             stdout=subprocess.PIPE,
+                             stderr=subprocess.PIPE)
+        stdout, stderr = p.communicate()
+        self.assertEqual(0, p.returncode)
+        self._assert_cli_message(stdout)
+        self._assert_methods_details(stdout)
+        self._assert_no_headers_and_bodies(stdout)
+
+    def test_run_verbose_all_stdout(self):
+        """Test Cliff -v argument
+
+        Since Cliff framework has a argument at the
+        abstract command level the -v or --verbose for
+        this command is not processed as a boolean.
+        So the use of verbose only exists for the
+        deprecated main CLI interface.  When the
+        main is deleted this test would not be needed.
+        """
+        p = subprocess.Popen(['tempest', 'subunit-describe-calls',
+                              '-s', self._subunit_file, '-a', '-v'],
+                             stdin=subprocess.PIPE,
+                             stdout=subprocess.PIPE,
+                             stderr=subprocess.PIPE)
+        stdout, stderr = p.communicate()
+        self.assertEqual(0, p.returncode)
+        self._assert_cli_message(stdout)
+        self._assert_cliff_verbose(stderr)
+        self._assert_methods_details(stdout)
+
+
+class TestSubunitDescribeCalls(TestCliBase):
+    """Test cases use the subunit_describe_calls module interface
+
+    and effect code coverage reporting
+    """
+
+    def setUp(self):
+        super(TestSubunitDescribeCalls, self).setUp()
+        self.test_object = subunit_describe_calls.TempestSubunitDescribeCalls(
+            app=mock.Mock(),
+            app_args=mock.Mock(spec=argparse.Namespace))
 
     def test_parse(self):
-        subunit_file = os.path.join(
-            os.path.dirname(os.path.abspath(__file__)),
-            'sample_streams/calls.subunit')
-        parser = subunit_describe_calls.parse(
-            open(subunit_file), "pythonlogging", None)
-        expected_result = {
-            'bar': [{
-                'name': 'AgentsAdminTestJSON:setUp',
-                'request_body': '{"agent": {"url": "xxx://xxxx/xxx/xxx", '
-                '"hypervisor": "common", "md5hash": '
-                '"add6bb58e139be103324d04d82d8f545", "version": "7.0", '
-                '"architecture": "tempest-x86_64-424013832", "os": "linux"}}',
-                'request_headers': "{'Content-Type': 'application/json', "
-                "'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
-                'response_body': '{"agent": {"url": "xxx://xxxx/xxx/xxx", '
-                '"hypervisor": "common", "md5hash": '
-                '"add6bb58e139be103324d04d82d8f545", "version": "7.0", '
-                '"architecture": "tempest-x86_64-424013832", "os": "linux", '
-                '"agent_id": 1}}',
-                'response_headers': "{'status': '200', 'content-length': "
-                "'203', 'x-compute-request-id': "
-                "'req-25ddaae2-0ef1-40d1-8228-59bd64a7e75b', 'vary': "
-                "'X-OpenStack-Nova-API-Version', 'connection': 'close', "
-                "'x-openstack-nova-api-version': '2.1', 'date': "
-                "'Tue, 02 Feb 2016 03:27:00 GMT', 'content-type': "
-                "'application/json'}",
-                'service': 'Nova',
-                'status_code': '200',
-                'url': 'v2.1/<id>/os-agents',
-                'verb': 'POST'}, {
-                'name': 'AgentsAdminTestJSON:test_create_agent',
-                'request_body': '{"agent": {"url": "xxx://xxxx/xxx/xxx", '
-                '"hypervisor": "kvm", "md5hash": '
-                '"add6bb58e139be103324d04d82d8f545", "version": "7.0", '
-                '"architecture": "tempest-x86-252246646", "os": "win"}}',
-                'request_headers': "{'Content-Type': 'application/json', "
-                "'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
-                'response_body': '{"agent": {"url": "xxx://xxxx/xxx/xxx", '
-                '"hypervisor": "kvm", "md5hash": '
-                '"add6bb58e139be103324d04d82d8f545", "version": "7.0", '
-                '"architecture": "tempest-x86-252246646", "os": "win", '
-                '"agent_id": 2}}',
-                'response_headers': "{'status': '200', 'content-length': "
-                "'195', 'x-compute-request-id': "
-                "'req-b4136f06-c015-4e7e-995f-c43831e3ecce', 'vary': "
-                "'X-OpenStack-Nova-API-Version', 'connection': 'close', "
-                "'x-openstack-nova-api-version': '2.1', 'date': "
-                "'Tue, 02 Feb 2016 03:27:00 GMT', 'content-type': "
-                "'application/json'}",
-                'service': 'Nova',
-                'status_code': '200',
-                'url': 'v2.1/<id>/os-agents',
-                'verb': 'POST'}, {
-                'name': 'AgentsAdminTestJSON:tearDown',
-                'request_body': 'None',
-                'request_headers': "{'Content-Type': 'application/json', "
-                "'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
-                'response_body': '',
-                'response_headers': "{'status': '200', 'content-length': "
-                "'0', 'x-compute-request-id': "
-                "'req-ee905fd6-a5b5-4da4-8c37-5363cb25bd9d', 'vary': "
-                "'X-OpenStack-Nova-API-Version', 'connection': 'close', "
-                "'x-openstack-nova-api-version': '2.1', 'date': "
-                "'Tue, 02 Feb 2016 03:27:00 GMT', 'content-type': "
-                "'application/json'}",
-                'service': 'Nova',
-                'status_code': '200',
-                'url': 'v2.1/<id>/os-agents/1',
-                'verb': 'DELETE'}, {
-                'name': 'AgentsAdminTestJSON:_run_cleanups',
-                'request_body': 'None',
-                'request_headers': "{'Content-Type': 'application/json', "
-                "'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
-                'response_headers': "{'status': '200', 'content-length': "
-                "'0', 'x-compute-request-id': "
-                "'req-e912cac0-63e0-4679-a68a-b6d18ddca074', 'vary': "
-                "'X-OpenStack-Nova-API-Version', 'connection': 'close', "
-                "'x-openstack-nova-api-version': '2.1', 'date': "
-                "'Tue, 02 Feb 2016 03:27:00 GMT', 'content-type': "
-                "'application/json'}",
-                'service': 'Nova',
-                'status_code': '200',
-                'url': 'v2.1/<id>/os-agents/2',
-                'verb': 'DELETE'}],
-            'foo': [{
-                'name': 'AgentsAdminTestJSON:setUp',
-                'request_body': '{"agent": {"url": "xxx://xxxx/xxx/xxx", '
-                '"hypervisor": "common", "md5hash": '
-                '"add6bb58e139be103324d04d82d8f545", "version": "7.0", '
-                '"architecture": "tempest-x86_64-948635295", "os": "linux"}}',
-                'request_headers': "{'Content-Type': 'application/json', "
-                "'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
-                'response_body': '{"agent": {"url": "xxx://xxxx/xxx/xxx", '
-                '"hypervisor": "common", "md5hash": '
-                '"add6bb58e139be103324d04d82d8f545", "version": "7.0", '
-                '"architecture": "tempest-x86_64-948635295", "os": "linux", '
-                '"agent_id": 3}}',
-                'response_headers': "{'status': '200', 'content-length': "
-                "'203', 'x-compute-request-id': "
-                "'req-ccd2116d-04b1-4ffe-ae32-fb623f68bf1c', 'vary': "
-                "'X-OpenStack-Nova-API-Version', 'connection': 'close', "
-                "'x-openstack-nova-api-version': '2.1', 'date': "
-                "'Tue, 02 Feb 2016 03:27:01 GMT', 'content-type': "
-                "'application/json'}",
-                'service': 'Nova',
-                'status_code': '200',
-                'url': 'v2.1/<id>/os-agents',
-                'verb': 'POST'}, {
-                'name': 'AgentsAdminTestJSON:test_delete_agent',
-                'request_body': 'None',
-                'request_headers': "{'Content-Type': 'application/json', "
-                "'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
-                'response_body': '',
-                'response_headers': "{'status': '200', 'content-length': "
-                "'0', 'x-compute-request-id': "
-                "'req-6e7fa28f-ae61-4388-9a78-947c58bc0588', 'vary': "
-                "'X-OpenStack-Nova-API-Version', 'connection': 'close', "
-                "'x-openstack-nova-api-version': '2.1', 'date': "
-                "'Tue, 02 Feb 2016 03:27:01 GMT', 'content-type': "
-                "'application/json'}",
-                'service': 'Nova',
-                'status_code': '200',
-                'url': 'v2.1/<id>/os-agents/3',
-                'verb': 'DELETE'}, {
-                'name': 'AgentsAdminTestJSON:test_delete_agent',
-                'request_body': 'None',
-                'request_headers': "{'Content-Type': 'application/json', "
-                "'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
-                'response_body': '{"agents": []}',
-                'response_headers': "{'status': '200', 'content-length': "
-                "'14', 'content-location': "
-                "'http://23.253.76.97:8774/v2.1/"
-                "cf6b1933fe5b476fbbabb876f6d1b924/os-agents', "
-                "'x-compute-request-id': "
-                "'req-e41aa9b4-41a6-4138-ae04-220b768eb644', 'vary': "
-                "'X-OpenStack-Nova-API-Version', 'connection': 'close', "
-                "'x-openstack-nova-api-version': '2.1', 'date': "
-                "'Tue, 02 Feb 2016 03:27:01 GMT', 'content-type': "
-                "'application/json'}",
-                'service': 'Nova',
-                'status_code': '200',
-                'url': 'v2.1/<id>/os-agents',
-                'verb': 'GET'}, {
-                'name': 'AgentsAdminTestJSON:tearDown',
-                'request_body': 'None',
-                'request_headers': "{'Content-Type': 'application/json', "
-                "'Accept': 'application/json', 'X-Auth-Token': '<omitted>'}",
-                'response_headers': "{'status': '404', 'content-length': "
-                "'82', 'x-compute-request-id': "
-                "'req-e297aeea-91cf-4f26-b49c-8f46b1b7a926', 'vary': "
-                "'X-OpenStack-Nova-API-Version', 'connection': 'close', "
-                "'x-openstack-nova-api-version': '2.1', 'date': "
-                "'Tue, 02 Feb 2016 03:27:02 GMT', 'content-type': "
-                "'application/json; charset=UTF-8'}",
-                'service': 'Nova',
-                'status_code': '404',
-                'url': 'v2.1/<id>/os-agents/3',
-                'verb': 'DELETE'}]}
+        with open(self._subunit_file, 'r') as read_file:
+            parser = subunit_describe_calls.parse(
+                read_file, "pythonlogging", None)
+        self._assert_expect_json(parser.test_logs)
 
-        self.assertEqual(expected_result, parser.test_logs)
+    def test_get_description(self):
+        self.assertEqual(subunit_describe_calls.DESCRIPTION,
+                         self.test_object.get_description())
+
+    def test_get_parser_default_min(self):
+        parser = self.test_object.get_parser('NAME')
+        parsed_args = parser.parse_args([])
+        self.assertIsNone(parsed_args.output_file)
+        self.assertIsNone(parsed_args.ports)
+        self.assertFalse(parsed_args.all_stdout)
+        self.assertEqual(parsed_args.subunit, sys.stdin)
+
+    def test_get_parser_default_max(self):
+        temp_dir = tempfile.mkdtemp(prefix="parser")
+        self.addCleanup(shutil.rmtree, temp_dir, ignore_errors=True)
+        outfile_name = os.path.join(temp_dir, 'output.json')
+        open(outfile_name, 'a').close()
+        portfile_name = os.path.join(temp_dir, 'ports.json')
+        open(portfile_name, 'a').close()
+
+        parser = self.test_object.get_parser('NAME')
+        parsed_args = parser.parse_args(["-a", "-o " + outfile_name,
+                                         "-p " + portfile_name])
+
+        self.assertIsNotNone(parsed_args.output_file)
+        self.assertIsNotNone(parsed_args.ports)
+        self.assertTrue(parsed_args.all_stdout)
+        self.assertEqual(parsed_args.subunit, sys.stdin)
+
+    def test_take_action_min(self):
+        parser = self.test_object.get_parser('NAME')
+        parsed_args = parser.parse_args(["-s" + self._subunit_file],)
+        with patch('sys.stdout', new=StringIO()) as mock_stdout:
+            self.test_object.take_action(parsed_args)
+
+        stdout_data = mock_stdout.getvalue()
+        self._assert_methods_details(stdout_data)
+        self._assert_no_headers_and_bodies(stdout_data)
+
+    def test_take_action_all_stdout(self):
+        parser = self.test_object.get_parser('NAME')
+        parsed_args = parser.parse_args(["-as" + self._subunit_file],)
+        with patch('sys.stdout', new=StringIO()) as mock_stdout:
+            self.test_object.take_action(parsed_args)
+
+        stdout_data = mock_stdout.getvalue()
+        self._assert_methods_details(stdout_data)
+        self._assert_headers_and_bodies(stdout_data)
+
+    def test_take_action_outfile_files(self):
+        temp_file = tempfile.mkstemp()[1]
+        parser = self.test_object.get_parser('NAME')
+        parsed_args = parser.parse_args(
+            ["-as" + self._subunit_file, '-o', temp_file], )
+        with patch('sys.stdout', new=StringIO()) as mock_stdout:
+            self.test_object.take_action(parsed_args)
+        stdout_data = mock_stdout.getvalue()
+        self._assert_cli_message(stdout_data)
+        with open(temp_file, 'r') as file:
+            data = json.loads(file.read())
+        self._assert_expect_json(data)
+
+    def test_take_action_no_items(self):
+        temp_file = tempfile.mkstemp()[1]
+        parser = self.test_object.get_parser('NAME')
+        parsed_args = parser.parse_args(
+            ["-as" + temp_file], )
+        with patch('sys.stdout', new=StringIO()) as mock_stdout:
+            self.test_object.take_action(parsed_args)
+        stdout_data = mock_stdout.getvalue()
+        self._assert_cli_message(stdout_data)
+
+    def test_take_action_exception(self):
+        parser = self.test_object.get_parser('NAME')
+        parsed_args = parser.parse_args(["-s" + self._subunit_file],)
+        with patch('sys.stderr', new=StringIO()) as mock_stderr:
+            with patch('tempest.cmd.subunit_describe_calls.entry_point') \
+                    as mock_method:
+                mock_method.side_effect = OSError()
+                self.assertRaises(OSError, self.test_object.take_action,
+                                  parsed_args)
+                stderr_data = mock_stderr.getvalue()
+
+        self.assertIn("Traceback (most recent call last):", stderr_data)
+        self.assertIn("entry_point(parsed_args)", stderr_data)